926 lines
31 KiB
Python
926 lines
31 KiB
Python
# Copyright (c) Facebook, Inc. and its affiliates.
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#
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# This source code is licensed under the MIT license found in the
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# LICENSE file in the root directory of this source tree.
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import sys
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from dataclasses import _MISSING_TYPE, dataclass, field
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from typing import Any, List, Optional
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import torch
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from fairseq.dataclass.constants import (
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DATASET_IMPL_CHOICES,
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DDP_BACKEND_CHOICES,
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GENERATION_CONSTRAINTS_CHOICES,
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GENERATION_DECODING_FORMAT_CHOICES,
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LOG_FORMAT_CHOICES,
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PIPELINE_CHECKPOINT_CHOICES,
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PRINT_ALIGNMENT_CHOICES,
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ZERO_SHARDING_CHOICES,
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)
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from omegaconf import II, MISSING
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@dataclass
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class FairseqDataclass:
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"""fairseq base dataclass that supported fetching attributes and metas"""
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_name: Optional[str] = None
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@staticmethod
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def name():
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return None
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def _get_all_attributes(self) -> List[str]:
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return [k for k in self.__dataclass_fields__.keys()]
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def _get_meta(
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self, attribute_name: str, meta: str, default: Optional[Any] = None
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) -> Any:
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return self.__dataclass_fields__[attribute_name].metadata.get(meta, default)
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def _get_name(self, attribute_name: str) -> str:
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return self.__dataclass_fields__[attribute_name].name
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def _get_default(self, attribute_name: str) -> Any:
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if hasattr(self, attribute_name):
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if str(getattr(self, attribute_name)).startswith("${"):
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return str(getattr(self, attribute_name))
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elif str(self.__dataclass_fields__[attribute_name].default).startswith(
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"${"
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):
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return str(self.__dataclass_fields__[attribute_name].default)
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elif (
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getattr(self, attribute_name)
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!= self.__dataclass_fields__[attribute_name].default
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):
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return getattr(self, attribute_name)
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f = self.__dataclass_fields__[attribute_name]
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if not isinstance(f.default_factory, _MISSING_TYPE):
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return f.default_factory()
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return f.default
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def _get_type(self, attribute_name: str) -> Any:
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return self.__dataclass_fields__[attribute_name].type
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def _get_help(self, attribute_name: str) -> Any:
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return self._get_meta(attribute_name, "help")
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def _get_argparse_const(self, attribute_name: str) -> Any:
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return self._get_meta(attribute_name, "argparse_const")
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def _get_argparse_alias(self, attribute_name: str) -> Any:
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return self._get_meta(attribute_name, "argparse_alias")
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def _get_choices(self, attribute_name: str) -> Any:
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return self._get_meta(attribute_name, "choices")
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@dataclass
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class CommonConfig(FairseqDataclass):
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# This is the core dataclass including common parameters shared by all different jobs. Please append your params to other dataclasses if they were
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# used for a particular purpose or task, such as those dedicated for `distributed training`, `optimization`, etc.
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no_progress_bar: bool = field(
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default=False, metadata={"help": "disable progress bar"}
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)
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log_interval: int = field(
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default=100,
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metadata={
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"help": "log progress every N batches (when progress bar is disabled)"
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},
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)
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log_format: Optional[LOG_FORMAT_CHOICES] = field(
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default=None, metadata={"help": "log format to use"}
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)
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tensorboard_logdir: Optional[str] = field(
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default=None,
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metadata={
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"help": "path to save logs for tensorboard, should match --logdir "
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"of running tensorboard (default: no tensorboard logging)"
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},
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)
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wandb_project: Optional[str] = field(
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default=None,
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metadata={
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"help": "Weights and Biases project name to use for logging"
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},
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)
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azureml_logging: Optional[bool] = field(
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default=False,
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metadata={
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"help": "Log scalars to AzureML context"
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},
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)
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seed: int = field(
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default=1, metadata={"help": "pseudo random number generator seed"}
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)
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cpu: bool = field(default=False, metadata={"help": "use CPU instead of CUDA"})
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tpu: bool = field(default=False, metadata={"help": "use TPU instead of CUDA"})
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bf16: bool = field(default=False, metadata={"help": "use bfloat16; implies --tpu"})
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memory_efficient_bf16: bool = field(
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default=False,
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metadata={
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"help": "use a memory-efficient version of BF16 training; implies --bf16"
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},
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)
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fp16: bool = field(default=False, metadata={"help": "use FP16"})
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memory_efficient_fp16: bool = field(
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default=False,
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metadata={
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"help": "use a memory-efficient version of FP16 training; implies --fp16"
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},
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)
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fp16_no_flatten_grads: bool = field(
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default=False, metadata={"help": "don't flatten FP16 grads tensor"}
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)
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fp16_init_scale: int = field(
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default=2 ** 7, metadata={"help": "default FP16 loss scale"}
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)
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fp16_scale_window: Optional[int] = field(
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default=None,
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metadata={"help": "number of updates before increasing loss scale"},
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)
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fp16_scale_tolerance: float = field(
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default=0.0,
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metadata={
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"help": "pct of updates that can overflow before decreasing the loss scale"
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},
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)
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min_loss_scale: float = field(
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default=1e-4,
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metadata={"help": "minimum FP16 loss scale, after which training is stopped"},
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)
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threshold_loss_scale: Optional[float] = field(
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default=None, metadata={"help": "threshold FP16 loss scale from below"}
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)
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user_dir: Optional[str] = field(
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default=None,
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metadata={
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"help": "path to a python module containing custom extensions (tasks and/or architectures)"
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},
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)
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empty_cache_freq: int = field(
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default=0,
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metadata={"help": "how often to clear the PyTorch CUDA cache (0 to disable)"},
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)
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all_gather_list_size: int = field(
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default=16384,
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metadata={"help": "number of bytes reserved for gathering stats from workers"},
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)
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model_parallel_size: int = field(
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default=1, metadata={"help": "total number of GPUs to parallelize model over"}
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)
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quantization_config_path: Optional[str] = field(
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default=None, metadata={"help": "path to quantization config file"}
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)
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profile: bool = field(
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default=False, metadata={"help": "enable autograd profiler emit_nvtx"}
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)
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reset_logging: bool = field(
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default=False,
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metadata={
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"help": "when using Hydra, reset the logging at the beginning of training"
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},
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)
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suppress_crashes: bool = field(
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default=False,
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metadata={
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"help": "suppress crashes when training with the hydra_train entry point so that the "
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"main method can return a value (useful for sweeps)"
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},
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)
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@dataclass
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class DistributedTrainingConfig(FairseqDataclass):
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distributed_world_size: int = field(
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default=max(1, torch.cuda.device_count()),
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metadata={
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"help": "total number of GPUs across all nodes (default: all visible GPUs)"
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},
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)
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distributed_rank: Optional[int] = field(
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default=0, metadata={"help": "rank of the current worker"}
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)
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distributed_backend: str = field(
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default="nccl", metadata={"help": "distributed backend"}
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)
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distributed_init_method: Optional[str] = field(
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default=None,
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metadata={
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"help": "typically tcp://hostname:port that will be used to "
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"establish initial connetion"
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},
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)
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distributed_port: int = field(
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default=-1,
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metadata={
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"help": "port number (not required if using --distributed-init-method)"
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},
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)
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device_id: int = field(
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default=0,
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metadata={
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"help": "which GPU to use (usually configured automatically)",
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"argparse_alias": "--local_rank",
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},
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)
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distributed_no_spawn: bool = field(
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default=False,
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metadata={
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"help": "do not spawn multiple processes even if multiple GPUs are visible"
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},
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)
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ddp_backend: DDP_BACKEND_CHOICES = field(
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default="pytorch_ddp", metadata={"help": "DistributedDataParallel backend"}
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)
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bucket_cap_mb: int = field(
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default=25, metadata={"help": "bucket size for reduction"}
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)
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fix_batches_to_gpus: bool = field(
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default=False,
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metadata={
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"help": "don't shuffle batches between GPUs; this reduces overall "
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"randomness and may affect precision but avoids the cost of re-reading the data"
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},
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)
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find_unused_parameters: bool = field(
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default=False,
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metadata={
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"help": "disable unused parameter detection (not applicable to "
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"--ddp-backend=legacy_ddp)"
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},
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)
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fast_stat_sync: bool = field(
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default=False,
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metadata={"help": "[deprecated] this is now defined per Criterion"},
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)
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heartbeat_timeout: int = field(
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default=-1,
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metadata={
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"help": "kill the job if no progress is made in N seconds; "
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"set to -1 to disable"
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}
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)
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broadcast_buffers: bool = field(
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default=False,
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metadata={
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"help": "Copy non-trainable parameters between GPUs, such as "
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"batchnorm population statistics"
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},
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)
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slowmo_momentum: Optional[float] = field(
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default=None,
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metadata={
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"help": "SlowMo momentum term; by default use 0.0 for 16 GPUs, "
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"0.2 for 32 GPUs; 0.5 for 64 GPUs, 0.6 for > 64 GPUs"
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},
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)
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slowmo_algorithm: str = field(
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default="LocalSGD", metadata={"help": "whether to use LocalSGD or SGP"}
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)
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localsgd_frequency: int = field(
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default=3, metadata={"help": "Local SGD allreduce frequency"}
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)
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nprocs_per_node: int = field(
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default=max(1, torch.cuda.device_count()),
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metadata={
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"help": "number of GPUs in each node. An allreduce operation across GPUs in "
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"a node is very fast. Hence, we do allreduce across GPUs in a node, "
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"and gossip across different nodes"
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},
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)
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pipeline_model_parallel: bool = field(
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default=False,
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metadata={"help": "if set, use pipeline model parallelism across GPUs"},
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)
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pipeline_balance: Optional[str] = field(
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default=None,
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metadata={
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"help": "partition the model into N_K pieces, where each piece "
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"contains N_i layers. The sum(args.pipeline_balance) "
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"should equal the total number of layers in the model"
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},
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)
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pipeline_devices: Optional[str] = field(
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default=None,
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metadata={
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"help": "a list of device indices indicating which device to place "
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"each of the N_K partitions. The length of this list should "
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"equal the length of the --pipeline-balance argument"
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},
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)
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pipeline_chunks: Optional[int] = field(
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default=0, metadata={"help": "microbatch count for pipeline model parallelism"}
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)
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pipeline_encoder_balance: Optional[str] = field(
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default=None,
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metadata={
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"help": "partition the pipeline parallel encoder into N_K pieces, where each piece "
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"contains N_i layers. The sum(args.pipeline_encoder_balance) "
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"should equal the total number of encoder layers in the model"
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},
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)
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pipeline_encoder_devices: Optional[str] = field(
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default=None,
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metadata={
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"help": "a list of device indices indicating which device to place "
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"each of the N_K partitions. The length of this list should "
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"equal the length of the --pipeline-encoder-balance argument"
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},
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)
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pipeline_decoder_balance: Optional[str] = field(
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default=None,
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metadata={
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"help": "partition the pipeline parallel decoder into N_K pieces, where each piece "
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"contains N_i layers. The sum(args.pipeline_decoder_balance) "
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"should equal the total number of decoder layers in the model"
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},
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)
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pipeline_decoder_devices: Optional[str] = field(
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default=None,
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metadata={
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"help": "a list of device indices indicating which device to place "
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"each of the N_K partitions. The length of this list should "
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"equal the length of the --pipeline-decoder-balance argument"
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},
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)
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pipeline_checkpoint: PIPELINE_CHECKPOINT_CHOICES = field(
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default="never",
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metadata={"help": "checkpointing mode for pipeline model parallelism"},
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)
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zero_sharding: ZERO_SHARDING_CHOICES = field(
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default="none", metadata={"help": "ZeRO sharding"}
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)
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tpu: bool = II("common.tpu")
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@dataclass
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class DatasetConfig(FairseqDataclass):
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num_workers: int = field(
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default=1, metadata={"help": "how many subprocesses to use for data loading"}
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)
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skip_invalid_size_inputs_valid_test: bool = field(
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default=False,
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metadata={"help": "ignore too long or too short lines in valid and test set"},
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)
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max_tokens: Optional[int] = field(
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default=None, metadata={"help": "maximum number of tokens in a batch"}
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)
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batch_size: Optional[int] = field(
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default=None,
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metadata={
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"help": "number of examples in a batch",
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"argparse_alias": "--max-sentences",
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},
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)
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required_batch_size_multiple: int = field(
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default=8, metadata={"help": "batch size will be a multiplier of this value"}
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)
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required_seq_len_multiple: int = field(
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default=1,
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metadata={
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"help": "maximum sequence length in batch will be a multiplier of this value"
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},
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)
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dataset_impl: Optional[DATASET_IMPL_CHOICES] = field(
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default=None, metadata={"help": "output dataset implementation"}
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)
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data_buffer_size: int = field(
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default=10, metadata={"help": "Number of batches to preload"}
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)
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train_subset: str = field(
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default="train",
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metadata={"help": "data subset to use for training (e.g. train, valid, test)"},
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)
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valid_subset: str = field(
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default="valid",
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metadata={
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"help": "comma separated list of data subsets to use for validation"
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" (e.g. train, valid, test)"
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},
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)
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validate_interval: int = field(
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default=1, metadata={"help": "validate every N epochs"}
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)
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validate_interval_updates: int = field(
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default=0, metadata={"help": "validate every N updates"}
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)
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validate_after_updates: int = field(
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default=0, metadata={"help": "dont validate until reaching this many updates"}
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)
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fixed_validation_seed: Optional[int] = field(
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default=None, metadata={"help": "specified random seed for validation"}
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)
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disable_validation: bool = field(
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default=False, metadata={"help": "disable validation"}
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)
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max_tokens_valid: Optional[int] = field(
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default=II("dataset.max_tokens"),
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metadata={
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"help": "maximum number of tokens in a validation batch"
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" (defaults to --max-tokens)"
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},
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)
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batch_size_valid: Optional[int] = field(
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default=II("dataset.batch_size"),
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metadata={
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"help": "batch size of the validation batch (defaults to --batch-size)",
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"argparse_alias": "--max-sentences-valid",
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},
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)
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curriculum: int = field(
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default=0, metadata={"help": "don't shuffle batches for first N epochs"}
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)
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gen_subset: str = field(
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default="test",
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metadata={"help": "data subset to generate (train, valid, test)"},
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)
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num_shards: int = field(
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default=1, metadata={"help": "shard generation over N shards"}
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)
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shard_id: int = field(
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default=0, metadata={"help": "id of the shard to generate (id < num_shards)"}
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)
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@dataclass
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class OptimizationConfig(FairseqDataclass):
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max_epoch: int = field(
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default=0, metadata={"help": "force stop training at specified epoch"}
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)
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max_update: int = field(
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default=0, metadata={"help": "force stop training at specified update"}
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)
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stop_time_hours: float = field(
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default=0,
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metadata={
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"help": "force stop training after specified cumulative time (if >0)"
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},
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)
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clip_norm: float = field(
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default=0.0, metadata={"help": "clip threshold of gradients"}
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)
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sentence_avg: bool = field(
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default=False,
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metadata={
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"help": "normalize gradients by the number of sentences in a batch"
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" (default is to normalize by number of tokens)"
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},
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)
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update_freq: List[int] = field(
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default_factory=lambda: [1],
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metadata={"help": "update parameters every N_i batches, when in epoch i"},
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)
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lr: List[float] = field(
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default_factory=lambda: [0.25],
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metadata={
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"help": "learning rate for the first N epochs; all epochs >N using LR_N"
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" (note: this may be interpreted differently depending on --lr-scheduler)"
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},
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)
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stop_min_lr: float = field(
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default=-1.0,
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metadata={"help": "stop training when the learning rate reaches this minimum"},
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)
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use_bmuf: bool = field(
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default=False,
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metadata={
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"help": "specify global optimizer for syncing models on different GPUs/shards"
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},
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)
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@dataclass
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class CheckpointConfig(FairseqDataclass):
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save_dir: str = field(
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default="checkpoints", metadata={"help": "path to save checkpoints"}
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)
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restore_file: str = field(
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default="checkpoint_last.pt",
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metadata={
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"help": "filename from which to load checkpoint "
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"(default: <save-dir>/checkpoint_last.pt"
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},
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)
|
|
finetune_from_model: Optional[str] = field(
|
|
default=None,
|
|
metadata={
|
|
"help": "finetune from a pretrained model; note that meters and lr scheduler will be reset"
|
|
},
|
|
)
|
|
reset_dataloader: bool = field(
|
|
default=False,
|
|
metadata={
|
|
"help": "if set, does not reload dataloader state from the checkpoint"
|
|
},
|
|
)
|
|
reset_lr_scheduler: bool = field(
|
|
default=False,
|
|
metadata={
|
|
"help": "if set, does not load lr scheduler state from the checkpoint"
|
|
},
|
|
)
|
|
reset_meters: bool = field(
|
|
default=False,
|
|
metadata={"help": "if set, does not load meters from the checkpoint"},
|
|
)
|
|
reset_optimizer: bool = field(
|
|
default=False,
|
|
metadata={"help": "if set, does not load optimizer state from the checkpoint"},
|
|
)
|
|
optimizer_overrides: str = field(
|
|
default="{}",
|
|
metadata={
|
|
"help": "a dictionary used to override optimizer args when loading a checkpoint"
|
|
},
|
|
)
|
|
save_interval: int = field(
|
|
default=1, metadata={"help": "save a checkpoint every N epochs"}
|
|
)
|
|
save_interval_updates: int = field(
|
|
default=0, metadata={"help": "save a checkpoint (and validate) every N updates"}
|
|
)
|
|
keep_interval_updates: int = field(
|
|
default=-1,
|
|
metadata={
|
|
"help": "keep the last N checkpoints saved with --save-interval-updates"
|
|
},
|
|
)
|
|
keep_last_epochs: int = field(
|
|
default=-1, metadata={"help": "keep last N epoch checkpoints"}
|
|
)
|
|
keep_best_checkpoints: int = field(
|
|
default=-1, metadata={"help": "keep best N checkpoints based on scores"}
|
|
)
|
|
no_save: bool = field(
|
|
default=False, metadata={"help": "don't save models or checkpoints"}
|
|
)
|
|
no_epoch_checkpoints: bool = field(
|
|
default=False, metadata={"help": "only store last and best checkpoints"}
|
|
)
|
|
no_last_checkpoints: bool = field(
|
|
default=False, metadata={"help": "don't store last checkpoints"}
|
|
)
|
|
no_save_optimizer_state: bool = field(
|
|
default=False,
|
|
metadata={"help": "don't save optimizer-state as part of checkpoint"},
|
|
)
|
|
best_checkpoint_metric: str = field(
|
|
default="loss", metadata={"help": 'metric to use for saving "best" checkpoints'}
|
|
)
|
|
maximize_best_checkpoint_metric: bool = field(
|
|
default=False,
|
|
metadata={
|
|
"help": 'select the largest metric value for saving "best" checkpoints'
|
|
},
|
|
)
|
|
patience: int = field(
|
|
default=-1,
|
|
metadata={
|
|
"help": (
|
|
"early stop training if valid performance doesn't "
|
|
"improve for N consecutive validation runs; note "
|
|
"that this is influenced by --validate-interval"
|
|
)
|
|
},
|
|
)
|
|
checkpoint_suffix: str = field(
|
|
default="", metadata={"help": "suffix to add to the checkpoint file name"}
|
|
)
|
|
checkpoint_shard_count: int = field(
|
|
default=1,
|
|
metadata={
|
|
"help": "Number of shards containing the checkpoint - "
|
|
"if the checkpoint is over 300GB, it is preferable "
|
|
"to split it into shards to prevent OOM on CPU while loading "
|
|
"the checkpoint"
|
|
},
|
|
)
|
|
load_checkpoint_on_all_dp_ranks: bool = field(
|
|
default=False,
|
|
metadata={
|
|
"help": "load checkpoints on all data parallel devices "
|
|
"(default: only load on rank 0 and broadcast to other devices)"
|
|
},
|
|
)
|
|
model_parallel_size: int = II("common.model_parallel_size")
|
|
distributed_rank: int = II("distributed_training.distributed_rank")
|
|
|
|
|
|
@dataclass
|
|
class FairseqBMUFConfig(FairseqDataclass):
|
|
block_lr: float = field(
|
|
default=1, metadata={"help": "block learning rate for bmuf"}
|
|
)
|
|
block_momentum: float = field(
|
|
default=0.875, metadata={"help": "block momentum for bmuf"}
|
|
)
|
|
global_sync_iter: int = field(
|
|
default=50, metadata={"help": "Iteration for syncing global model"}
|
|
)
|
|
warmup_iterations: int = field(
|
|
default=500, metadata={"help": "warmup iterations for model to broadcast"}
|
|
)
|
|
use_nbm: bool = field(
|
|
default=False,
|
|
metadata={"help": "Specify whether you want to use classical BM / Nesterov BM"},
|
|
)
|
|
average_sync: bool = field(
|
|
default=False,
|
|
metadata={
|
|
"help": "Specify whether you want to average the local momentum after each sync"
|
|
},
|
|
)
|
|
distributed_world_size: int = II("distributed_training.distributed_world_size")
|
|
|
|
|
|
@dataclass
|
|
class GenerationConfig(FairseqDataclass):
|
|
beam: int = field(
|
|
default=5,
|
|
metadata={"help": "beam size"},
|
|
)
|
|
nbest: int = field(
|
|
default=1,
|
|
metadata={"help": "number of hypotheses to output"},
|
|
)
|
|
max_len_a: float = field(
|
|
default=0,
|
|
metadata={
|
|
"help": "generate sequences of maximum length ax + b, where x is the source length"
|
|
},
|
|
)
|
|
max_len_b: int = field(
|
|
default=200,
|
|
metadata={
|
|
"help": "generate sequences of maximum length ax + b, where x is the source length"
|
|
},
|
|
)
|
|
min_len: int = field(
|
|
default=1,
|
|
metadata={"help": "minimum generation length"},
|
|
)
|
|
match_source_len: bool = field(
|
|
default=False,
|
|
metadata={"help": "generations should match the source length"},
|
|
)
|
|
unnormalized: bool = field(
|
|
default=False,
|
|
metadata={"help": "compare unnormalized hypothesis scores"},
|
|
)
|
|
no_early_stop: bool = field(
|
|
default=False,
|
|
metadata={"help": "deprecated"},
|
|
)
|
|
no_beamable_mm: bool = field(
|
|
default=False,
|
|
metadata={"help": "don't use BeamableMM in attention layers"},
|
|
)
|
|
lenpen: float = field(
|
|
default=1,
|
|
metadata={
|
|
"help": "length penalty: <1.0 favors shorter, >1.0 favors longer sentences"
|
|
},
|
|
)
|
|
unkpen: float = field(
|
|
default=0,
|
|
metadata={
|
|
"help": "unknown word penalty: <0 produces more unks, >0 produces fewer"
|
|
},
|
|
)
|
|
replace_unk: Optional[str] = field(
|
|
default=None,
|
|
metadata={
|
|
"help": "perform unknown replacement (optionally with alignment dictionary)",
|
|
"argparse_const": "@@ ",
|
|
},
|
|
)
|
|
sacrebleu: bool = field(
|
|
default=False,
|
|
metadata={"help": "score with sacrebleu"},
|
|
)
|
|
score_reference: bool = field(
|
|
default=False,
|
|
metadata={"help": "just score the reference translation"},
|
|
)
|
|
prefix_size: int = field(
|
|
default=0,
|
|
metadata={"help": "initialize generation by target prefix of given length"},
|
|
)
|
|
no_repeat_ngram_size: int = field(
|
|
default=0,
|
|
metadata={
|
|
"help": "ngram blocking such that this size ngram cannot be repeated in the generation"
|
|
},
|
|
)
|
|
sampling: bool = field(
|
|
default=False,
|
|
metadata={"help": "sample hypotheses instead of using beam search"},
|
|
)
|
|
sampling_topk: int = field(
|
|
default=-1,
|
|
metadata={"help": "sample from top K likely next words instead of all words"},
|
|
)
|
|
sampling_topp: float = field(
|
|
default=-1.0,
|
|
metadata={
|
|
"help": "sample from the smallest set whose cumulative probability mass exceeds p for next words"
|
|
},
|
|
)
|
|
constraints: Optional[GENERATION_CONSTRAINTS_CHOICES] = field(
|
|
default=None,
|
|
metadata={
|
|
"help": "enables lexically constrained decoding",
|
|
"argparse_const": "ordered",
|
|
},
|
|
)
|
|
temperature: float = field(
|
|
default=1.0,
|
|
metadata={"help": "temperature for generation"},
|
|
)
|
|
diverse_beam_groups: int = field(
|
|
default=-1,
|
|
metadata={"help": "number of groups for Diverse Beam Search"},
|
|
)
|
|
diverse_beam_strength: float = field(
|
|
default=0.5,
|
|
metadata={"help": "strength of diversity penalty for Diverse Beam Search"},
|
|
)
|
|
diversity_rate: float = field(
|
|
default=-1.0,
|
|
metadata={"help": "strength of diversity penalty for Diverse Siblings Search"},
|
|
)
|
|
print_alignment: Optional[PRINT_ALIGNMENT_CHOICES] = field(
|
|
default=None,
|
|
metadata={
|
|
"help": "if set, uses attention feedback to compute and print alignment to source tokens "
|
|
"(valid options are: hard, soft, otherwise treated as hard alignment)",
|
|
"argparse_const": "hard",
|
|
},
|
|
)
|
|
print_step: bool = field(
|
|
default=False,
|
|
metadata={"help": "print steps"},
|
|
)
|
|
lm_path: Optional[str] = field(
|
|
default=None,
|
|
metadata={"help": "path to lm checkpoint for lm fusion"},
|
|
)
|
|
lm_weight: float = field(
|
|
default=0.0,
|
|
metadata={"help": "weight for lm probs for lm fusion"},
|
|
)
|
|
|
|
# arguments for iterative refinement generator
|
|
iter_decode_eos_penalty: float = field(
|
|
default=0.0,
|
|
metadata={"help": "if > 0.0, it penalized early-stopping in decoding."},
|
|
)
|
|
iter_decode_max_iter: int = field(
|
|
default=10,
|
|
metadata={"help": "maximum iterations for iterative refinement."},
|
|
)
|
|
iter_decode_force_max_iter: bool = field(
|
|
default=False,
|
|
metadata={
|
|
"help": "if set, run exact the maximum number of iterations without early stop"
|
|
},
|
|
)
|
|
iter_decode_with_beam: int = field(
|
|
default=1,
|
|
metadata={
|
|
"help": "if > 1, model will generate translations varying by the lengths."
|
|
},
|
|
)
|
|
iter_decode_with_external_reranker: bool = field(
|
|
default=False,
|
|
metadata={
|
|
"help": "if set, the last checkpoint are assumed to be a reranker to rescore the translations"
|
|
},
|
|
)
|
|
retain_iter_history: bool = field(
|
|
default=False,
|
|
metadata={
|
|
"help": "if set, decoding returns the whole history of iterative refinement"
|
|
},
|
|
)
|
|
retain_dropout: bool = field(
|
|
default=False,
|
|
metadata={"help": "Use dropout at inference time"},
|
|
)
|
|
# temporarily set to Any until https://github.com/facebookresearch/hydra/issues/1117 is fixed
|
|
# retain_dropout_modules: Optional[List[str]] = field(
|
|
retain_dropout_modules: Any = field(
|
|
default=None,
|
|
metadata={
|
|
"help": "if set, only retain dropout for the specified modules; "
|
|
"if not set, then dropout will be retained for all modules"
|
|
},
|
|
)
|
|
# special decoding format for advanced decoding.
|
|
decoding_format: Optional[GENERATION_DECODING_FORMAT_CHOICES] = field(
|
|
default=None,
|
|
metadata={"help": "special decoding format for advanced decoding."},
|
|
)
|
|
no_seed_provided: bool = field(
|
|
default=False,
|
|
metadata={"help": "if set, dont use seed for initializing random generators"},
|
|
)
|
|
|
|
|
|
@dataclass
|
|
class CommonEvalConfig(FairseqDataclass):
|
|
path: Optional[str] = field(
|
|
default=None,
|
|
metadata={"help": "path(s) to model file(s), colon separated"},
|
|
)
|
|
post_process: Optional[str] = field(
|
|
default=None,
|
|
metadata={
|
|
"help": (
|
|
"post-process text by removing BPE, letter segmentation, etc. "
|
|
"Valid options can be found in fairseq.data.utils.post_process."
|
|
),
|
|
"argparse_const": "subword_nmt",
|
|
"argparse_alias": "--remove-bpe",
|
|
},
|
|
)
|
|
quiet: bool = field(default=False, metadata={"help": "only print final scores"})
|
|
model_overrides: str = field(
|
|
default="{}",
|
|
metadata={
|
|
"help": "a dictionary used to override model args at generation that were used during model training"
|
|
},
|
|
)
|
|
results_path: Optional[str] = field(
|
|
default=None, metadata={"help": "path to save eval results (optional)"}
|
|
)
|
|
|
|
|
|
@dataclass
|
|
class EvalLMConfig(FairseqDataclass):
|
|
output_word_probs: bool = field(
|
|
default=False,
|
|
metadata={
|
|
"help": "if set, outputs words and their predicted log probabilities to standard output"
|
|
},
|
|
)
|
|
output_word_stats: bool = field(
|
|
default=False,
|
|
metadata={
|
|
"help": "if set, outputs word statistics such as word count, average probability, etc"
|
|
},
|
|
)
|
|
context_window: int = field(
|
|
default=0,
|
|
metadata={
|
|
"help": "ensures that every evaluated token has access to a context of at least this size, if possible"
|
|
},
|
|
)
|
|
softmax_batch: int = field(
|
|
default=sys.maxsize,
|
|
metadata={
|
|
"help": "if BxT is more than this, will batch the softmax over vocab to this amount of tokens, in order to fit into GPU memory"
|
|
},
|
|
)
|
|
|
|
|
|
@dataclass
|
|
class InteractiveConfig(FairseqDataclass):
|
|
buffer_size: int = field(
|
|
default=0,
|
|
metadata={
|
|
"help": "read this many sentences into a buffer before processing them"
|
|
},
|
|
)
|
|
input: str = field(
|
|
default="-",
|
|
metadata={"help": "file to read from; use - for stdin"},
|
|
)
|
|
|
|
|
|
@dataclass
|
|
class FairseqConfig(FairseqDataclass):
|
|
common: CommonConfig = CommonConfig()
|
|
common_eval: CommonEvalConfig = CommonEvalConfig()
|
|
distributed_training: DistributedTrainingConfig = DistributedTrainingConfig()
|
|
dataset: DatasetConfig = DatasetConfig()
|
|
optimization: OptimizationConfig = OptimizationConfig()
|
|
checkpoint: CheckpointConfig = CheckpointConfig()
|
|
bmuf: FairseqBMUFConfig = FairseqBMUFConfig()
|
|
generation: GenerationConfig = GenerationConfig()
|
|
eval_lm: EvalLMConfig = EvalLMConfig()
|
|
interactive: InteractiveConfig = InteractiveConfig()
|
|
model: Any = MISSING
|
|
task: Any = None
|
|
criterion: Any = None
|
|
optimizer: Any = None
|
|
lr_scheduler: Any = None
|
|
scoring: Any = None
|
|
bpe: Any = None
|
|
tokenizer: Any = None
|