haojin2 commented on issue #10550: [MXNET-320] Support elemwise_add/sub between dense and csr tensors URL: https://github.com/apache/incubator-mxnet/pull/10550#issuecomment-384365246 Benchmark Results: (density% speedup of write inplace) ( speedup of write to) CPU without fallback: 1.00 % 1.0767915242539374 1.1958458321710883 0.50 % 1.178302561340414 1.2715399728818728 0.10 % 1.2402637938538756 1.3357630055060874 0.05 % 1.249269826739499 1.343468536307236 0.01 % 1.2591359839935201 1.354284981177978 CPU with fallback: 1.00 % 1.784697556254137 1.758551761110845 0.50 % 1.7813005572998932 1.7746289041067393 0.10 % 1.8295572820870358 1.8128880777345968 0.05 % 1.8357412219912699 1.8188250848209608 0.01 % 1.84457367724946 1.8272217031444054 GPU without fallback: 1.00 % 1.1133807433946643 1.1127745540337441 0.50 % 1.2989243065699914 1.2954892083078022 0.10 % 1.4716730306016637 1.4621131161544634 0.05 % 1.4950209892594164 1.494533324414405 0.01 % 1.5066270652228635 1.4932449464071242 GPU with fallback: 1.00 % 1.6910080636518563 1.6719915368444962 0.50 % 1.7776470049230662 1.7838406738481993 0.10 % 1.9299283929934783 1.9162025882298779 0.05 % 1.9474877995622968 1.946506752577363 0.01 % 1.9538475169307499 1.934327727508224
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