[ET-VK] Implement linear_q4gsw #14020
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As title. Extend the quantized linear implementation to be able to handle 4-bit per group symmetrically quantized weights. This is in preparation to support using the int8 dot product extension to be able to handle dynamically quantized inputs. Differential Revision: [D81800023](https://our.internmc.facebook.com/intern/diff/D81800023/) [ghstack-poisoned]
This was referenced Sep 5, 2025
🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/14020
Note: Links to docs will display an error until the docs builds have been completed. ❌ 1 New FailureAs of commit 95b6192 with merge base 1a7441f ( NEW FAILURE - The following job has failed:
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This was referenced Sep 4, 2025
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As title. Extend the quantized linear implementation to be able to handle 4-bit per group symmetrically quantized weights. This is in preparation to support using the int8 dot product extension to be able to handle dynamically quantized inputs. Differential Revision: [D81800023](https://our.internmc.facebook.com/intern/diff/D81800023/) ghstack-source-id: 307861473 Pull Request resolved: #14020
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As title. Extend the quantized linear implementation to be able to handle 4-bit per group symmetrically quantized weights. This is in preparation to support using the int8 dot product extension to be able to handle dynamically quantized inputs. Differential Revision: [D81800023](https://our.internmc.facebook.com/intern/diff/D81800023/) [ghstack-poisoned]
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Pull Request resolved: #14020 As title. Extend the quantized linear implementation to be able to handle 4-bit per group symmetrically quantized weights. This is in preparation to support using the int8 dot product extension to be able to handle dynamically quantized inputs. ghstack-source-id: 308090958 @exported-using-ghexport Differential Revision: [D81800023](https://our.internmc.facebook.com/intern/diff/D81800023/)
As title. Extend the quantized linear implementation to be able to handle 4-bit per group symmetrically quantized weights. This is in preparation to support using the int8 dot product extension to be able to handle dynamically quantized inputs. Differential Revision: [D81800023](https://our.internmc.facebook.com/intern/diff/D81800023/) [ghstack-poisoned]
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Pull Request resolved: #14020 As title. Extend the quantized linear implementation to be able to handle 4-bit per group symmetrically quantized weights. This is in preparation to support using the int8 dot product extension to be able to handle dynamically quantized inputs. ghstack-source-id: 308092879 @exported-using-ghexport Differential Revision: [D81800023](https://our.internmc.facebook.com/intern/diff/D81800023/)
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Pull Request resolved: #14020 As title. Extend the quantized linear implementation to be able to handle 4-bit per group symmetrically quantized weights. This is in preparation to support using the int8 dot product extension to be able to handle dynamically quantized inputs. ghstack-source-id: 308092879 @exported-using-ghexport Differential Revision: [D81800023](https://our.internmc.facebook.com/intern/diff/D81800023/)
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As title. Extend the quantized linear implementation to be able to handle 4-bit per group symmetrically quantized weights. This is in preparation to support using the int8 dot product extension to be able to handle dynamically quantized inputs.
Differential Revision: D81800023