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paddlepaddle--paddle/test/ir/pir/cinn/inference/test_llama_while.py
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2026-07-13 12:40:42 +08:00

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Python

# Copyright (c) 2024 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import sys
import unittest
from os.path import dirname
import numpy as np
import paddle
import paddle.nn.functional as F
from paddle import nn
from paddle.static import InputSpec
sys.path.append(dirname(dirname(__file__)))
import utils
class LlamaWhile(nn.Layer):
def __init__(self):
super().__init__()
def forward(self, logits, input_ids):
batch_size, cur_len = paddle.shape(input_ids)
unfinished_flag = paddle.full([batch_size, 1], True, dtype="float32")
max_new_tokens = paddle.full([1], 16, dtype="int64")
while cur_len < max_new_tokens and paddle.any(unfinished_flag):
# [batch_size, vocab_size]
probs = F.softmax(logits[:, -1, :])
# compute next_tokens
top_ps_tensor = paddle.full(
shape=[paddle.shape(probs)[0], 1],
fill_value=0,
dtype=probs.dtype,
)
_, next_tokens = paddle.tensor.top_p_sampling(probs, top_ps_tensor)
input_ids = paddle.concat([input_ids, next_tokens], axis=1)
cur_len += 1
return input_ids
class TestLlamaPostProcess(unittest.TestCase):
def setUp(self):
paddle.seed(2024)
self.prepare_data()
def prepare_data(self):
self.logits = paddle.randn([1, 256, 3200], dtype="float32")
self.input_ids = paddle.randint(0, 512, [1, 8], dtype="int64")
def check_jit_kernel_info(self, static_fn):
utils.check_jit_kernel_number(static_fn, 1)
utils.check_jit_kernel_structure(static_fn, {utils.JIT_KERNEL_NAME: 1})
def eval(self, use_cinn):
paddle.seed(2024)
net = LlamaWhile()
input_spec = [
InputSpec(shape=[None, None, 3200], dtype='float32'), # logits
InputSpec(shape=[None, None], dtype='int64'), # input_ids
]
net = utils.apply_to_static(net, use_cinn, input_spec)
net.eval()
out = net(self.logits, self.input_ids)
return out
@unittest.skip("TODO: xiongkun")
def test_eval(self):
dy_out = self.eval(use_cinn=False)
cinn_out = self.eval(use_cinn=True)
np.testing.assert_allclose(
cinn_out.numpy(), dy_out.numpy(), atol=1e-6, rtol=1e-6
)
if __name__ == '__main__':
unittest.main()