wehub-resource-sync
50 lines
1.6 KiB
Python
50 lines
1.6 KiB
Python
# Copyright (c) Microsoft Corporation.
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# SPDX-License-Identifier: Apache-2.0
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# DeepSpeed Team
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from .constants import *
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from .base_file_writer import BaseFileWriter
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from .utils import obj_serialization_details
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class MockFileWriter(BaseFileWriter):
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def __init__(self, file_path):
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super(MockFileWriter, self).__init__(file_path)
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self._fp = open(file_path, 'wb')
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self._stats[SAVE_STORAGE_KEY] = 0
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self._stats[SAVE_STORAGE_BYTES_KEY] = 0
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self._get_serialization_details = obj_serialization_details()
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def close(self):
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self._incr_stats(CLOSE_COUNT_KEY)
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self._fp.close()
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def fileno(self):
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self._incr_stats(FILENO_COUNT_KEY)
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return INVALID_FD # self._fp.fileno()
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def flush(self):
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self._incr_stats(FLUSH_COUNT_KEY)
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self._fp.flush()
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def write(self, buffer):
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return self._write(len(buffer))
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def save_torch_storage_object_list(self, storage_obj_list, save_size):
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num_bytes = sum([self._save_torch_storage_object(obj, save_size) for obj in storage_obj_list])
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return num_bytes
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def _save_torch_storage_object(self, storage_obj, save_size):
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details = self._get_serialization_details(storage_obj)
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self._incr_stats(SAVE_STORAGE_KEY)
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self._incr_stats(SAVE_STORAGE_BYTES_KEY, details.size)
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num_written_bytes = self._write(STORAGE_OBJ_SIZE) if save_size else 0
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return num_written_bytes + self._write(details.size)
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def _write(self, num_bytes):
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self._incr_stats(WRITE_COUNT_KEY)
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self._incr_stats(WRITE_BYTES_KEY, num_bytes)
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return num_bytes
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