haojin2 commented on issue #10371: [MXNET-263] Support for dot(dns, csr) = dns and dot(dns, csr.T) = dns on GPU URL: https://github.com/apache/incubator-mxnet/pull/10371#issuecomment-384114091 Benchmark results: [density of rhs csr(%)] [speedup rate] - dot(dense, csr): - without fallback time: 1.00 % 0.11839042163642717 0.50 % 0.2333432217062633 0.10 % 1.1903050457360003 0.05 % 2.358481865354682 0.01 % 11.254730287959426 - with fallback time: 1.00 % 0.15756154617574628 0.50 % 0.2846213797972692 0.10 % 1.355322535347357 0.05 % 2.649692301508364 0.01 % 12.53094788814324 - dot(dense, csr.T): - without fallback time: 1.00 % 0.13831609996057787 0.50 % 0.2716895153249566 0.10 % 1.355685095559762 0.05 % 2.704108996445601 0.01 % 12.82104397524722 - without fallback time: 1.00 % 0.17843282886647807 0.50 % 0.3281353223927983 0.10 % 1.5357395689258746 0.05 % 3.01124368707238 0.01 % 14.151675772120354
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