bug描述 Describe the Bug
- paddle版本develop。
在jupyter notebook中初始化一下这个tensor!矩阵太大了需要分配一段时间。
import paddle, time
tensor = paddle.randn((1, 4096, 1024))
下面的代码在jupyter notebook中循环点击运行N次,发现结果正常。
def logsumexp(x, axis=0, keepdim=False):
return paddle.log(x.exp().sum(axis=axis, keepdim=keepdim))
start = time.time()
for i in range(100):
logsumexp(tensor, axis=1, keepdim=True)
end = time.time()
print("custom logsumexp", end-start)
下面的代码在jupyter notebook中循环点击运行N次,发现程序卡住了?感觉好像卡在显存分配上????前几步训练还正常,但是你循环运行N次后代码就挂了。
start = time.time()
for i in range(100):
paddle.logsumexp(tensor, axis=1, keepdim=True)
end = time.time()
print("paddle logsumexp", end-start)
其他补充信息 Additional Supplementary Information
No response
2条答案
按热度按时间iecba09b1#
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