pytorch

87690d2b - Move THCTensor_(cauchy) to ATen (#21289)

Move THCTensor_(cauchy) to ATen (#21289) Summary: ## Effective Bandwidth Benchmark - using https://gist.github.com/syed-ahmed/f8b7384d642f4bce484228b508b4bc68 - on V100 ### Float Type #### Before: ``` cauchy, size, elements 65536 forward 4.980564117431641e-06 bandwidth (GB/s) 52.63339529803734 cauchy, size, elements 131072 forward 6.232261657714844e-06 bandwidth (GB/s) 84.12483762631982 cauchy, size, elements 262144 forward 9.548664093017577e-06 bandwidth (GB/s) 109.81389540833959 cauchy, size, elements 524288 forward 1.59454345703125e-05 bandwidth (GB/s) 131.52052963827754 cauchy, size, elements 1048576 forward 2.86865234375e-05 bandwidth (GB/s) 146.21165262978724 cauchy, size, elements 2097152 forward 5.4748058319091796e-05 bandwidth (GB/s) 153.2220184158516 cauchy, size, elements 4194304 forward 0.00010075807571411133 bandwidth (GB/s) 166.50988897012377 cauchy, size, elements 8388608 forward 0.0001935744285583496 bandwidth (GB/s) 173.34124269355965 cauchy, size, elements 16777216 forward 0.00038077831268310545 bandwidth (GB/s) 176.24129779641603 cauchy, size, elements 33554432 forward 0.0006851387023925781 bandwidth (GB/s) 195.8986224705994 ``` #### After: ``` cauchy, size, elements 65536 forward 6.077289581298828e-06 bandwidth (GB/s) 43.13501874366419 cauchy, size, elements 131072 forward 6.2131881713867184e-06 bandwidth (GB/s) 84.38308731972373 cauchy, size, elements 262144 forward 6.46829605102539e-06 bandwidth (GB/s) 162.11008150033175 cauchy, size, elements 524288 forward 6.8783760070800785e-06 bandwidth (GB/s) 304.8905726935182 cauchy, size, elements 1048576 forward 9.505748748779296e-06 bandwidth (GB/s) 441.23867681003264 cauchy, size, elements 2097152 forward 1.5070438385009766e-05 bandwidth (GB/s) 556.6266744001266 cauchy, size, elements 4194304 forward 2.4406909942626954e-05 bandwidth (GB/s) 687.396152951685 cauchy, size, elements 8388608 forward 4.6243667602539064e-05 bandwidth (GB/s) 725.6005792706125 cauchy, size, elements 16777216 forward 9.100198745727539e-05 bandwidth (GB/s) 737.4439380404413 cauchy, size, elements 33554432 forward 0.00017449140548706055 bandwidth (GB/s) 769.1939188944922 ``` ### Double Type #### Before: ``` cauchy, size, elements 65536 forward 4.885196685791015e-06 bandwidth (GB/s) 53.660889593753055 cauchy, size, elements 131072 forward 6.229877471923828e-06 bandwidth (GB/s) 84.15703235943361 cauchy, size, elements 262144 forward 9.605884552001953e-06 bandwidth (GB/s) 109.15975455706132 cauchy, size, elements 524288 forward 1.5976428985595704e-05 bandwidth (GB/s) 131.26537863315923 cauchy, size, elements 1048576 forward 2.9621124267578124e-05 bandwidth (GB/s) 141.59840666786866 cauchy, size, elements 2097152 forward 5.5103302001953126e-05 bandwidth (GB/s) 152.23421637604707 cauchy, size, elements 4194304 forward 0.00010124444961547851 bandwidth (GB/s) 165.70998275677383 cauchy, size, elements 8388608 forward 0.0001944279670715332 bandwidth (GB/s) 172.58027487195184 cauchy, size, elements 16777216 forward 0.00034950494766235353 bandwidth (GB/s) 192.01119883668116 cauchy, size, elements 33554432 forward 0.0007002186775207519 bandwidth (GB/s) 191.67973135938277 ``` #### After: ``` cauchy, size, elements 65536 forward 5.91278076171875e-06 bandwidth (GB/s) 44.33514628129032 cauchy, size, elements 131072 forward 6.234645843505859e-06 bandwidth (GB/s) 84.09266751632889 cauchy, size, elements 262144 forward 7.433891296386719e-06 bandwidth (GB/s) 141.05344807902503 cauchy, size, elements 524288 forward 1.1401176452636719e-05 bandwidth (GB/s) 183.94171941045587 cauchy, size, elements 1048576 forward 1.960039138793945e-05 bandwidth (GB/s) 213.99082890665372 cauchy, size, elements 2097152 forward 3.434181213378906e-05 bandwidth (GB/s) 244.26806504326578 cauchy, size, elements 4194304 forward 6.517410278320313e-05 bandwidth (GB/s) 257.4215107465028 cauchy, size, elements 8388608 forward 0.0001229524612426758 bandwidth (GB/s) 272.9057365819818 cauchy, size, elements 16777216 forward 0.00023239374160766602 bandwidth (GB/s) 288.77225150621814 cauchy, size, elements 33554432 forward 0.00046050310134887696 bandwidth (GB/s) 291.4589013773367 ``` Resubmit of https://github.com/pytorch/pytorch/pull/20622 Pull Request resolved: https://github.com/pytorch/pytorch/pull/21289 Differential Revision: D15622713 Pulled By: ezyang fbshipit-source-id: abe8bd57794bd1c3a0b92395367a9653c5d0f2db