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Subject [GitHub] [incubator-tvm] GaryYuyjl opened a new pull request #6121: support int4/int8 conv2d tensor core with HWNC layout
Date Thu, 23 Jul 2020 02:30:50 GMT

GaryYuyjl opened a new pull request #6121:
URL: https://github.com/apache/incubator-tvm/pull/6121


   This pr supports int4/int8 tensor core with HWNC layout.
   Part of the layer-wise results of HWNC and NHWC are here. HWNC layout runs faster in most
of the workloads.
   
   workload (batch_size, in_channels, in_size, out_channels, kernel_size, stride, padding)
| NHWC int4 time(ms) | HWNC int4 time(ms)
   -- | -- | --
   (8, 64, 56, 64, 3, 1, 1) | 0.23432 | 0.1723
   (8, 64, 56, 128, 3, 2, 1) | 0.1386 | 0.10278
   (8, 64, 56, 64, 1, 2, 0) | 0.04395 | 0.0333
   (8, 128, 28, 128, 3, 1, 1) | 0.1715 | 0.15088
   (8, 128, 28, 256, 3, 2, 1) | 0.12039 | 0.11548
   (8, 128, 28, 256, 1, 2, 0) | 0.04789 | 0.04219
   (8, 256, 14, 256, 3, 1, 1) | 0.14469 | 0.05695
   (8, 256, 14, 512, 3, 2, 1) | 0.15656 | 0.14456
   (8, 256, 14, 512, 1, 2, 0) | 0.04402 | 0.0475
   (8, 512, 7, 512, 3, 1, 1) | 0.25156 | 0.147156
   
   CC @Laurawly 
   


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