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[ET-VK] Enable int8 tiled compute shader to be used with buffer tensors #10302

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Merged
merged 5 commits into from
Apr 23, 2025

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@SS-JIA SS-JIA commented Apr 18, 2025

Stack from ghstack (oldest at bottom):

Context

As title. Allow the optimized int8 tiled compute shader to be usable for buffer-backed tensors as well.

Changes

  • Generate buffer variants for the int8 linear tiled shader
  • Force the scales tensor to always be a buffer to reduce the number of shader variants that need to be generated.
  • Generate an additional variant that computes only 1 output row
  • Do not require output rows to be an exact multiple of 4 or 6 to use the tiled implementation

Differential Revision: D73276277

## Context

As title. Allow the optimized int8 tiled compute shader to be usable for buffer-backed tensors as well.

## Changes

* Generate buffer variants for the int8 linear tiled shader
* Force the scales tensor to always be a buffer to reduce the number of shader variants that need to be generated.
* Generate an additional variant that computes only 1 output row
* Do not require output rows to be an exact multiple of 4 or 6 to use the tiled implementation

Differential Revision: [D73276277](https://our.internmc.facebook.com/intern/diff/D73276277/)

[ghstack-poisoned]
SS-JIA added a commit that referenced this pull request Apr 18, 2025
## Context

As title. Allow the optimized int8 tiled compute shader to be usable for buffer-backed tensors as well.

## Changes

* Generate buffer variants for the int8 linear tiled shader
* Force the scales tensor to always be a buffer to reduce the number of shader variants that need to be generated.
* Generate an additional variant that computes only 1 output row
* Do not require output rows to be an exact multiple of 4 or 6 to use the tiled implementation

Differential Revision: [D73276277](https://our.internmc.facebook.com/intern/diff/D73276277/)

ghstack-source-id: 279008193
Pull Request resolved: #10302
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pytorch-bot bot commented Apr 18, 2025

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/10302

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@facebook-github-bot facebook-github-bot added the CLA Signed This label is managed by the Facebook bot. Authors need to sign the CLA before a PR can be reviewed. label Apr 18, 2025
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This pull request was exported from Phabricator. Differential Revision: D73276277

…uffer tensors"

## Context

As title. Allow the optimized int8 tiled compute shader to be usable for buffer-backed tensors as well.

## Changes

* Generate buffer variants for the int8 linear tiled shader
* Force the scales tensor to always be a buffer to reduce the number of shader variants that need to be generated.
* Generate an additional variant that computes only 1 output row
* Do not require output rows to be an exact multiple of 4 or 6 to use the tiled implementation

Differential Revision: [D73276277](https://our.internmc.facebook.com/intern/diff/D73276277/)

[ghstack-poisoned]
@facebook-github-bot
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This pull request was exported from Phabricator. Differential Revision: D73276277

…uffer tensors"

## Context

As title. Allow the optimized int8 tiled compute shader to be usable for buffer-backed tensors as well.

## Changes

* Generate buffer variants for the int8 linear tiled shader
* Force the scales tensor to always be a buffer to reduce the number of shader variants that need to be generated.
* Generate an additional variant that computes only 1 output row
* Do not require output rows to be an exact multiple of 4 or 6 to use the tiled implementation

Differential Revision: [D73276277](https://our.internmc.facebook.com/intern/diff/D73276277/)

[ghstack-poisoned]
@facebook-github-bot
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This pull request was exported from Phabricator. Differential Revision: D73276277

…uffer tensors"

## Context

As title. Allow the optimized int8 tiled compute shader to be usable for buffer-backed tensors as well.

## Changes

* Generate buffer variants for the int8 linear tiled shader
* Force the scales tensor to always be a buffer to reduce the number of shader variants that need to be generated.
* Generate an additional variant that computes only 1 output row
* Do not require output rows to be an exact multiple of 4 or 6 to use the tiled implementation

Differential Revision: [D73276277](https://our.internmc.facebook.com/intern/diff/D73276277/)

[ghstack-poisoned]
@facebook-github-bot
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This pull request was exported from Phabricator. Differential Revision: D73276277

…uffer tensors"

## Context

As title. Allow the optimized int8 tiled compute shader to be usable for buffer-backed tensors as well.

## Changes

* Generate buffer variants for the int8 linear tiled shader
* Force the scales tensor to always be a buffer to reduce the number of shader variants that need to be generated.
* Generate an additional variant that computes only 1 output row
* Do not require output rows to be an exact multiple of 4 or 6 to use the tiled implementation

Differential Revision: [D73276277](https://our.internmc.facebook.com/intern/diff/D73276277/)

[ghstack-poisoned]
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This pull request was exported from Phabricator. Differential Revision: D73276277

@SS-JIA SS-JIA added the release notes: vulkan Changes to the Vulkan backend delegate label Apr 23, 2025
@facebook-github-bot facebook-github-bot merged commit 9217e37 into gh/SS-JIA/214/base Apr 23, 2025
83 of 87 checks passed
@facebook-github-bot facebook-github-bot deleted the gh/SS-JIA/214/head branch April 23, 2025 22:04
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3 participants