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Revert "Update cub to 1.9.8" #26504

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merged 1 commit into from
Aug 21, 2020
Merged

Revert "Update cub to 1.9.8" #26504

merged 1 commit into from
Aug 21, 2020

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chenwhql
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@chenwhql chenwhql commented Aug 20, 2020

PR types

Bug fixes

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Describe

Reverts #24895

  • revert reason:

After cub was upgraded to version 1.9.8, a single training process will occupy all currently visible GPUs, which has two effects:

  1. training start speed is significantly slower
  2. make the experience of using multi-process multi-cards training worse

There may be bugs in this version of cub, so revert this commit

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Thanks for your contribution!
Please wait for the result of CI firstly. See Paddle CI Manual for details.

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paddle-bot-old bot commented Aug 20, 2020

✅ This PR's description meets the template requirements!
Please wait for other CI results.

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LGTM

@chenwhql chenwhql merged commit 17bcaef into develop Aug 21, 2020
@chenwhql chenwhql deleted the revert-24895-update_cub branch September 1, 2020 11:39
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2 participants