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[NIT] Rebuild the kernel with large GRF size to reduce the register spilling size aggressively. - #7615

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chengjunlu merged 1 commit into
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chengjun/reduce_auto_rebuild_reg_spill_size
Aug 12, 2026
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[NIT] Rebuild the kernel with large GRF size to reduce the register spilling size aggressively.#7615
chengjunlu merged 1 commit into
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chengjun/reduce_auto_rebuild_reg_spill_size

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@chengjunlu

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Rebuild the kernel with large GRF size to reduce the register spilling size aggressively.

@chengjunlu chengjunlu linked an issue Jul 31, 2026 that may be closed by this pull request
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chengjunlu marked this pull request as draft July 31, 2026 02:45
@chengjunlu chengjunlu closed this Jul 31, 2026
@chengjunlu chengjunlu reopened this Jul 31, 2026
…g size aggressively.

Signed-off-by: Lu,Chengjun <chengjun.lu@intel.com>
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chengjunlu marked this pull request as ready for review August 3, 2026 07:26
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I guess the main question here is how much this will impact compilation time and whether we will go beyond the limits of PyTorch CI.

Otherwise, LGTM.

@chengjunlu

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I guess the main question here is how much this will impact compilation time and whether we will go beyond the limits of PyTorch CI.

Otherwise, LGTM.

The torch CI passed with the changes. It doesn't impact the torch CI.
pytorch/pytorch#192887

@whitneywhtsang whitneywhtsang left a comment

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Let's keep track of our CI testing time (e.g., inductor) impact after this PR.

@chengjunlu
chengjunlu merged commit e1e939e into main Aug 12, 2026
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chengjunlu deleted the chengjun/reduce_auto_rebuild_reg_spill_size branch August 12, 2026 02:12
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[PVC] resmpl_12_224 got >15% perf regression with agama 1146.48

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