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Provide kernels with true reference implementations for quantized ops #4108

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Summary:
We want to be able to run the reference implementations on x86, so we don't want any intrinsics or anything like that in the reference kernels.

In the end, this change has a lot of things:

  • introduce a reference folder for reference implementations
  • moved the primary cmake flow from HiFi to reference, so that the default mode can run on x86
  • that means we will need a proper flag to use HiFi optimized ops, which we will add later
  • add a quantized_matmul reference kernel

Differential Revision: D59238748

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pytorch-bot bot commented Jul 1, 2024

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🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/4108

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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 Jul 1, 2024
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This pull request was exported from Phabricator. Differential Revision: D59238748

@mcremon-meta mcremon-meta marked this pull request as draft July 1, 2024 23:59
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This pull request was exported from Phabricator. Differential Revision: D59238748

mcremon-meta added a commit that referenced this pull request Jul 11, 2024
…#4108)

Summary:
Pull Request resolved: #4108

We want to be able to run the reference implementations on x86, so we don't want any intrinsics or anything like that in the reference kernels.

In the end, this change has a lot of things:
- introduce a `reference` folder for reference implementations
- moved the primary cmake flow from HiFi to reference, so that the default mode can run on x86
- that means we will need a proper flag to use HiFi optimized ops, which we will add later
- add a `quantized_matmul` reference kernel

Differential Revision: D59238748
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This pull request was exported from Phabricator. Differential Revision: D59238748

mcremon-meta added a commit that referenced this pull request Jul 12, 2024
…#4108)

Summary:
Pull Request resolved: #4108

We want to be able to run the reference implementations on x86, so we don't want any intrinsics or anything like that in the reference kernels.

In the end, this change has a lot of things:
- introduce a `reference` folder for reference implementations
- moved the primary cmake flow from HiFi to reference, so that the default mode can run on x86
- that means we will need a proper flag to use HiFi optimized ops, which we will add later
- add a `quantized_matmul` reference kernel

Differential Revision: D59238748
@mcremon-meta mcremon-meta marked this pull request as ready for review July 12, 2024 22:38
…#4108)

Summary:
Pull Request resolved: #4108

We want to be able to run the reference implementations on x86, so we don't want any intrinsics or anything like that in the reference kernels.

In the end, this change has a lot of things:
- introduce a `reference` folder for reference implementations
- moved the primary cmake flow from HiFi to reference, so that the default mode can run on x86
- that means we will need a proper flag to use HiFi optimized ops, which we will add later
- add a `quantized_matmul` reference kernel

Differential Revision: D59238748
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This pull request was exported from Phabricator. Differential Revision: D59238748

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This pull request has been merged in ef640bf.

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3 participants