[GitHub] [tvm] lhutton1 opened a new pull request, #15470: [Relay][Strategy] Use x86 dense schedules for arm_cpu

["lhutton1 (via GitHub)" <gi...@apache.org>]

lhutton1 opened a new pull request, #15470:
URL: https://github.com/apache/tvm/pull/15470

   Currently the fallback used when compiling a dense operation with targets such as `llvm -device=arm_cpu` is `dense.generic`. This results very poor performance. Although https://github.com/apache/tvm/pull/13775 meant that x86 schedules are used in cases where no strategy is provided by arm_cpu, the dense strategy is registered due to the existence of specialized schedules for arm_cpu e.g. a schedule for embedded devices. This commit ensures x86 schedules are used inplace of a generic schedule which yields much better performance.
   
   The commit also follows the same approach for the `dense.generic` schedule as the x86 strategy. This will only be used when auto-scheduler is enabled.
   
   A test has been added to check the intended schedules are picked when compiling with `arm_cpu`.
   
   cc @ekalda @neildhickey 


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[GitHub] [tvm] tvm-bot commented on pull request #15470: [Relay][Strategy] Use x86 dense schedules for arm_cpu

["tvm-bot (via GitHub)" <gi...@apache.org>]

tvm-bot commented on PR #15470:
URL: https://github.com/apache/tvm/pull/15470#issuecomment-1664316631

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[GitHub] [tvm] leandron merged pull request #15470: [Relay][Strategy] Use x86 dense schedules for arm_cpu

["leandron (via GitHub)" <gi...@apache.org>]

leandron merged PR #15470:
URL: https://github.com/apache/tvm/pull/15470


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