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pytorch同时用两块gpu,pytorch和Tensorflow优缺点

时间:2023-05-04 07:56:53 阅读:43677 作者:24

pytorch的pad在卷积前进行填充;

填充重要的是图像小,而在图像大的情况下可能影响不大。

self.con v1=nn.conv 2d (1,1,3,1,1 ) tensor ([-1.3850,0.5036,-0.0835,-0.0235],[ 0.1744,2.2985 ] 0.6606,0.2888,0.1508 ],[ 0.1197,-0.2834] 0.5352],[-0.9292,0.2906,0.1087,-0.4605]]]],grad _ fn=Mn

self.con v1=nn.sequential (nn.zero pad 2d (1),nn.conv2D ) 1,1,3,1,0 ),) Tensor ) [ [-1.3850,0.5000 ] - 0.2501 ] ] tensor [ [ 0.3224,0.6606 ]-0.3850 ],[-1.4643,-0.9435,- 0.2578,0.5352 ],[-0.9292,0.2906,0.110 ]

ReflectionPad2d使用输入边界的反射填充输入pcdse。

self.con v1=nn.sequential (nn.reflection pad 2d (1),nn.conv 2d (1,1,3,1,0 ) ) tensor ) [ [-1.3850 ]-0. -0.2616,-0.2501]]]] ) tensor ([ [-0.2501 ]-0.2834,0.0889,-0.6879],[-1.6183,-0.9435,- 0.2578,0.15559

self.con v1=nn.sequential (nn.replication pad 2d (1),nn.conv2D ) 1,1,3,1,0 ) (Tensor ) [ [-1.3850 ]-0 0.0889,-0.0786],[-1.4233,-0.9435,- 0.2578,0.6855 ],[-0.8149,0.4816,-0.1508,-1.2202],grad

self.con v1=nn.sequential (nn.constant pad 2d (1,0 ),nn.conv 2d (1,1,3,1,0 ) ) Tensor ) [ [-1.38555 ] 0.0889、-0.3850]、[-1.4643、-0.9435、- 0.2578、0.5352 ]、[-0.9292、0.2906、0.1087、-0.4605], grad _ fn=mkldnnconvolutionbackward (self.con v1=nn.sequential (nn.constant pad 2d (1,1 ),nn.conv2d ) ) 1,1 1.4059,- 1.4013,1.2973 ],[ 1.6409,-1.0567,-0.6619] -0.3232,-0.4158],[ 0.2464,- 0.2834,0.0889,- 0.866449

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