[Executorch] Add multithreading for op_quantize - #15769

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This PR was created by the merge bot to help merge the original PR into the main branch.
ghstack PR number: #15609 by @kimishpatel
^ Please use this as the source of truth for the PR details, comments, and reviews
ghstack PR base: https://github.com/pytorch/executorch/tree/gh/kimishpatel/201/base
ghstack PR head: https://github.com/pytorch/executorch/tree/gh/kimishpatel/201/head
Merge bot PR base: https://github.com/pytorch/executorch/tree/gh/kimishpatel/200/orig
Merge bot PR head: https://github.com/pytorch/executorch/tree/gh/kimishpatel/201/orig
Differential Revision: D84962233
@diff-train-skip-merge

@kimishpatel
[Executorch][llm] Fix flakyness of quantized sdpa test
848d476
Pull Request resolved: #15653
Without this fix when running diabled tets it fails with
OMP: Error #131: Thread identifier invalid
Differential Revision: [D86447540](https://our.internmc.facebook.com/intern/diff/D86447540/)
ghstack-source-id: 322129665
@kimishpatel
[Executorch] parallelize op_choose_qparams
444ee9d
Pull Request resolved: #15607
When doing prefill for quantized kv cache, with large prefill length, parallelizing this op helps.
Differential Revision: [D84962234](https://our.internmc.facebook.com/intern/diff/D84962234/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D84962234/)!
ghstack-source-id: 322129660
@kimishpatel
[Executorch] Add simd path for op quantize
414aa6f
Pull Request resolved: #15608
Reason this doesnt directly use Vectorize class is because the equivalent APIs dont exist in Vectorize class
Differential Revision: [D84962236](https://our.internmc.facebook.com/intern/diff/D84962236/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D84962236/)!
ghstack-source-id: 322129666
@kimishpatel
[Executorch] Add multithreading for op_quantize
ae471c1
Pull Request resolved: #15609
As the title
Differential Revision: [D84962233](https://our.internmc.facebook.com/intern/diff/D84962233/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D84962233/)!
ghstack-source-id: 322129661
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SS-JIA merged commit be741ad into mainNov 14, 2025
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jirioc pushed a commit to nxp-upstream/executorch that referenced this pull request Dec 19, 2025
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[Executorch] Add multithreading for op_quantize (pytorch#15769)
aef0e7a
As the title
Differential Revision: [D84962233](https://our.internmc.facebook.com/intern/diff/D84962233/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D84962233/)!
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[Executorch] Add multithreading for op_quantize - #15769
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[Executorch] Add multithreading for op_quantize#15769
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This PR was created by the merge bot to help merge the original PR into the main branch.

ghstack PR number: #15609 by @kimishpatel

^ Please use this as the source of truth for the PR details, comments, and reviews

ghstack PR base: https://github.com/pytorch/executorch/tree/gh/kimishpatel/201/base

ghstack PR head: https://github.com/pytorch/executorch/tree/gh/kimishpatel/201/head

Merge bot PR base: https://github.com/pytorch/executorch/tree/gh/kimishpatel/200/orig

Merge bot PR head: https://github.com/pytorch/executorch/tree/gh/kimishpatel/201/orig

Differential Revision: D84962233

@diff-train-skip-merge
@kimishpatel
[Executorch][llm] Fix flakyness of quantized sdpa test
848d476
Pull Request resolved: #15653
Without this fix when running diabled tets it fails with
OMP: Error #131: Thread identifier invalid
Differential Revision: [D86447540](https://our.internmc.facebook.com/intern/diff/D86447540/)
ghstack-source-id: 322129665
@kimishpatel
[Executorch] parallelize op_choose_qparams
444ee9d
Pull Request resolved: #15607
When doing prefill for quantized kv cache, with large prefill length, parallelizing this op helps.
Differential Revision: [D84962234](https://our.internmc.facebook.com/intern/diff/D84962234/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D84962234/)!
ghstack-source-id: 322129660
@kimishpatel
[Executorch] Add simd path for op quantize
414aa6f
Pull Request resolved: #15608
Reason this doesnt directly use Vectorize class is because the equivalent APIs dont exist in Vectorize class
Differential Revision: [D84962236](https://our.internmc.facebook.com/intern/diff/D84962236/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D84962236/)!
ghstack-source-id: 322129666
@kimishpatel
[Executorch] Add multithreading for op_quantize
ae471c1
Pull Request resolved: #15609
As the title
Differential Revision: [D84962233](https://our.internmc.facebook.com/intern/diff/D84962233/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D84962233/)!
ghstack-source-id: 322129661
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Note: Links to docs will display an error until the docs builds have been completed.
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@pytorchbot@jirioc
[Executorch] Add multithreading for op_quantize (pytorch#15769)
aef0e7a
As the title
Differential Revision: [D84962233](https://our.internmc.facebook.com/intern/diff/D84962233/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D84962233/)!
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, 'i');
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[Executorch] Add multithreading for op_quantize - #15769
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[Executorch] Add multithreading for op_quantize#15769
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This PR was created by the merge bot to help merge the original PR into the main branch.

ghstack PR number: #15609 by @kimishpatel

^ Please use this as the source of truth for the PR details, comments, and reviews

ghstack PR base: https://github.com/pytorch/executorch/tree/gh/kimishpatel/201/base

ghstack PR head: https://github.com/pytorch/executorch/tree/gh/kimishpatel/201/head

Merge bot PR base: https://github.com/pytorch/executorch/tree/gh/kimishpatel/200/orig

Merge bot PR head: https://github.com/pytorch/executorch/tree/gh/kimishpatel/201/orig

Differential Revision: D84962233

@diff-train-skip-merge
@kimishpatel
[Executorch][llm] Fix flakyness of quantized sdpa test
848d476
Pull Request resolved: #15653
Without this fix when running diabled tets it fails with
OMP: Error #131: Thread identifier invalid
Differential Revision: [D86447540](https://our.internmc.facebook.com/intern/diff/D86447540/)
ghstack-source-id: 322129665
@kimishpatel
[Executorch] parallelize op_choose_qparams
444ee9d
Pull Request resolved: #15607
When doing prefill for quantized kv cache, with large prefill length, parallelizing this op helps.
Differential Revision: [D84962234](https://our.internmc.facebook.com/intern/diff/D84962234/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D84962234/)!
ghstack-source-id: 322129660
@kimishpatel
[Executorch] Add simd path for op quantize
414aa6f
Pull Request resolved: #15608
Reason this doesnt directly use Vectorize class is because the equivalent APIs dont exist in Vectorize class
Differential Revision: [D84962236](https://our.internmc.facebook.com/intern/diff/D84962236/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D84962236/)!
ghstack-source-id: 322129666
@kimishpatel
[Executorch] Add multithreading for op_quantize
ae471c1
Pull Request resolved: #15609
As the title
Differential Revision: [D84962233](https://our.internmc.facebook.com/intern/diff/D84962233/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D84962233/)!
ghstack-source-id: 322129661
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🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/15769
Note: Links to docs will display an error until the docs builds have been completed.
❌ 1 Cancelled Job
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jirioc pushed a commit
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@pytorchbot@jirioc
[Executorch] Add multithreading for op_quantize (pytorch#15769)
aef0e7a
As the title
Differential Revision: [D84962233](https://our.internmc.facebook.com/intern/diff/D84962233/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D84962233/)!
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[Executorch] Add multithreading for op_quantize - #15769
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[Executorch] Add multithreading for op_quantize#15769
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This PR was created by the merge bot to help merge the original PR into the main branch.

ghstack PR number: #15609 by @kimishpatel

^ Please use this as the source of truth for the PR details, comments, and reviews

ghstack PR base: https://github.com/pytorch/executorch/tree/gh/kimishpatel/201/base

ghstack PR head: https://github.com/pytorch/executorch/tree/gh/kimishpatel/201/head

Merge bot PR base: https://github.com/pytorch/executorch/tree/gh/kimishpatel/200/orig

Merge bot PR head: https://github.com/pytorch/executorch/tree/gh/kimishpatel/201/orig

Differential Revision: D84962233

@diff-train-skip-merge
@kimishpatel
[Executorch][llm] Fix flakyness of quantized sdpa test
848d476
Pull Request resolved: #15653
Without this fix when running diabled tets it fails with
OMP: Error #131: Thread identifier invalid
Differential Revision: [D86447540](https://our.internmc.facebook.com/intern/diff/D86447540/)
ghstack-source-id: 322129665
@kimishpatel
[Executorch] parallelize op_choose_qparams
444ee9d
Pull Request resolved: #15607
When doing prefill for quantized kv cache, with large prefill length, parallelizing this op helps.
Differential Revision: [D84962234](https://our.internmc.facebook.com/intern/diff/D84962234/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D84962234/)!
ghstack-source-id: 322129660
@kimishpatel
[Executorch] Add simd path for op quantize
414aa6f
Pull Request resolved: #15608
Reason this doesnt directly use Vectorize class is because the equivalent APIs dont exist in Vectorize class
Differential Revision: [D84962236](https://our.internmc.facebook.com/intern/diff/D84962236/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D84962236/)!
ghstack-source-id: 322129666
@kimishpatel
[Executorch] Add multithreading for op_quantize
ae471c1
Pull Request resolved: #15609
As the title
Differential Revision: [D84962233](https://our.internmc.facebook.com/intern/diff/D84962233/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D84962233/)!
ghstack-source-id: 322129661
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[Executorch] Add multithreading for op_quantize (pytorch#15769)
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Differential Revision: [D84962233](https://our.internmc.facebook.com/intern/diff/D84962233/)
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
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var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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This PR was created by the merge bot to help merge the original PR into the main branch.

ghstack PR number: #15609 by @kimishpatel

^ Please use this as the source of truth for the PR details, comments, and reviews

ghstack PR base: https://github.com/pytorch/executorch/tree/gh/kimishpatel/201/base

ghstack PR head: https://github.com/pytorch/executorch/tree/gh/kimishpatel/201/head

Merge bot PR base: https://github.com/pytorch/executorch/tree/gh/kimishpatel/200/orig

Merge bot PR head: https://github.com/pytorch/executorch/tree/gh/kimishpatel/201/orig

Differential Revision: D84962233

@diff-train-skip-merge
@kimishpatel
[Executorch][llm] Fix flakyness of quantized sdpa test
848d476
Pull Request resolved: #15653
Without this fix when running diabled tets it fails with
OMP: Error #131: Thread identifier invalid
Differential Revision: [D86447540](https://our.internmc.facebook.com/intern/diff/D86447540/)
ghstack-source-id: 322129665
@kimishpatel
[Executorch] parallelize op_choose_qparams
444ee9d
Pull Request resolved: #15607
When doing prefill for quantized kv cache, with large prefill length, parallelizing this op helps.
Differential Revision: [D84962234](https://our.internmc.facebook.com/intern/diff/D84962234/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D84962234/)!
ghstack-source-id: 322129660
@kimishpatel
[Executorch] Add simd path for op quantize
414aa6f
Pull Request resolved: #15608
Reason this doesnt directly use Vectorize class is because the equivalent APIs dont exist in Vectorize class
Differential Revision: [D84962236](https://our.internmc.facebook.com/intern/diff/D84962236/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D84962236/)!
ghstack-source-id: 322129666
@kimishpatel
[Executorch] Add multithreading for op_quantize
ae471c1
Pull Request resolved: #15609
As the title
Differential Revision: [D84962233](https://our.internmc.facebook.com/intern/diff/D84962233/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D84962233/)!
ghstack-source-id: 322129661
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@pytorchbot@jirioc
[Executorch] Add multithreading for op_quantize (pytorch#15769)
aef0e7a
As the title
Differential Revision: [D84962233](https://our.internmc.facebook.com/intern/diff/D84962233/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D84962233/)!
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
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try {
var __m = "*";
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[Executorch] Add multithreading for op_quantize - #15769
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This PR was created by the merge bot to help merge the original PR into the main branch.

ghstack PR number: #15609 by @kimishpatel

^ Please use this as the source of truth for the PR details, comments, and reviews

ghstack PR base: https://github.com/pytorch/executorch/tree/gh/kimishpatel/201/base

ghstack PR head: https://github.com/pytorch/executorch/tree/gh/kimishpatel/201/head

Merge bot PR base: https://github.com/pytorch/executorch/tree/gh/kimishpatel/200/orig

Merge bot PR head: https://github.com/pytorch/executorch/tree/gh/kimishpatel/201/orig

Differential Revision: D84962233

@diff-train-skip-merge
@kimishpatel
[Executorch][llm] Fix flakyness of quantized sdpa test
848d476
Pull Request resolved: #15653
Without this fix when running diabled tets it fails with
OMP: Error #131: Thread identifier invalid
Differential Revision: [D86447540](https://our.internmc.facebook.com/intern/diff/D86447540/)
ghstack-source-id: 322129665
@kimishpatel
[Executorch] parallelize op_choose_qparams
444ee9d
Pull Request resolved: #15607
When doing prefill for quantized kv cache, with large prefill length, parallelizing this op helps.
Differential Revision: [D84962234](https://our.internmc.facebook.com/intern/diff/D84962234/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D84962234/)!
ghstack-source-id: 322129660
@kimishpatel
[Executorch] Add simd path for op quantize
414aa6f
Pull Request resolved: #15608
Reason this doesnt directly use Vectorize class is because the equivalent APIs dont exist in Vectorize class
Differential Revision: [D84962236](https://our.internmc.facebook.com/intern/diff/D84962236/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D84962236/)!
ghstack-source-id: 322129666
@kimishpatel
[Executorch] Add multithreading for op_quantize
ae471c1
Pull Request resolved: #15609
As the title
Differential Revision: [D84962233](https://our.internmc.facebook.com/intern/diff/D84962233/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D84962233/)!
ghstack-source-id: 322129661
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🔗 Helpful Links
🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/15769
Note: Links to docs will display an error until the docs builds have been completed.
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jirioc pushed a commit
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@pytorchbot@jirioc
[Executorch] Add multithreading for op_quantize (pytorch#15769)
aef0e7a
As the title
Differential Revision: [D84962233](https://our.internmc.facebook.com/intern/diff/D84962233/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D84962233/)!
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
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[Executorch] Add multithreading for op_quantize - #15769
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This PR was created by the merge bot to help merge the original PR into the main branch.

ghstack PR number: #15609 by @kimishpatel

^ Please use this as the source of truth for the PR details, comments, and reviews

ghstack PR base: https://github.com/pytorch/executorch/tree/gh/kimishpatel/201/base

ghstack PR head: https://github.com/pytorch/executorch/tree/gh/kimishpatel/201/head

Merge bot PR base: https://github.com/pytorch/executorch/tree/gh/kimishpatel/200/orig

Merge bot PR head: https://github.com/pytorch/executorch/tree/gh/kimishpatel/201/orig

Differential Revision: D84962233

@diff-train-skip-merge
@kimishpatel
[Executorch][llm] Fix flakyness of quantized sdpa test
848d476
Pull Request resolved: #15653
Without this fix when running diabled tets it fails with
OMP: Error #131: Thread identifier invalid
Differential Revision: [D86447540](https://our.internmc.facebook.com/intern/diff/D86447540/)
ghstack-source-id: 322129665
@kimishpatel
[Executorch] parallelize op_choose_qparams
444ee9d
Pull Request resolved: #15607
When doing prefill for quantized kv cache, with large prefill length, parallelizing this op helps.
Differential Revision: [D84962234](https://our.internmc.facebook.com/intern/diff/D84962234/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D84962234/)!
ghstack-source-id: 322129660
@kimishpatel
[Executorch] Add simd path for op quantize
414aa6f
Pull Request resolved: #15608
Reason this doesnt directly use Vectorize class is because the equivalent APIs dont exist in Vectorize class
Differential Revision: [D84962236](https://our.internmc.facebook.com/intern/diff/D84962236/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D84962236/)!
ghstack-source-id: 322129666
@kimishpatel
[Executorch] Add multithreading for op_quantize
ae471c1
Pull Request resolved: #15609
As the title
Differential Revision: [D84962233](https://our.internmc.facebook.com/intern/diff/D84962233/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D84962233/)!
ghstack-source-id: 322129661
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🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/15769
Note: Links to docs will display an error until the docs builds have been completed.
❌ 1 Cancelled Job
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@pytorchbot@jirioc
[Executorch] Add multithreading for op_quantize (pytorch#15769)
aef0e7a
As the title
Differential Revision: [D84962233](https://our.internmc.facebook.com/intern/diff/D84962233/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D84962233/)!
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, 'i');
if (__m === '*' || __re.test(location.href)) {
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})();

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[Executorch] Add multithreading for op_quantize - #15769
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[Executorch] Add multithreading for op_quantize#15769
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This PR was created by the merge bot to help merge the original PR into the main branch.

ghstack PR number: #15609 by @kimishpatel

^ Please use this as the source of truth for the PR details, comments, and reviews

ghstack PR base: https://github.com/pytorch/executorch/tree/gh/kimishpatel/201/base

ghstack PR head: https://github.com/pytorch/executorch/tree/gh/kimishpatel/201/head

Merge bot PR base: https://github.com/pytorch/executorch/tree/gh/kimishpatel/200/orig

Merge bot PR head: https://github.com/pytorch/executorch/tree/gh/kimishpatel/201/orig

Differential Revision: D84962233

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@kimishpatel
[Executorch][llm] Fix flakyness of quantized sdpa test
848d476
Pull Request resolved: #15653
Without this fix when running diabled tets it fails with
OMP: Error #131: Thread identifier invalid
Differential Revision: [D86447540](https://our.internmc.facebook.com/intern/diff/D86447540/)
ghstack-source-id: 322129665
@kimishpatel
[Executorch] parallelize op_choose_qparams
444ee9d
Pull Request resolved: #15607
When doing prefill for quantized kv cache, with large prefill length, parallelizing this op helps.
Differential Revision: [D84962234](https://our.internmc.facebook.com/intern/diff/D84962234/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D84962234/)!
ghstack-source-id: 322129660
@kimishpatel
[Executorch] Add simd path for op quantize
414aa6f
Pull Request resolved: #15608
Reason this doesnt directly use Vectorize class is because the equivalent APIs dont exist in Vectorize class
Differential Revision: [D84962236](https://our.internmc.facebook.com/intern/diff/D84962236/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D84962236/)!
ghstack-source-id: 322129666
@kimishpatel
[Executorch] Add multithreading for op_quantize
ae471c1
Pull Request resolved: #15609
As the title
Differential Revision: [D84962233](https://our.internmc.facebook.com/intern/diff/D84962233/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D84962233/)!
ghstack-source-id: 322129661
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🔗 Helpful Links
🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/15769
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This PR needs a release notes: label
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[Executorch] Add multithreading for op_quantize (pytorch#15769)
aef0e7a
As the title
Differential Revision: [D84962233](https://our.internmc.facebook.com/intern/diff/D84962233/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D84962233/)!
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@SS-JIASS-JIASS-JIA approved these changes
@manuelcandalesmanuelcandalesAwaiting requested review from manuelcandalesmanuelcandales is a code owner
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@larryliu0820larryliu0820Awaiting requested review from larryliu0820
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