SIGN IN SIGN UP

[ET-VK] Implement linear_qcs4w (#10772)

## Context

Title says it all!

## Changes

Extended the implementation of `linear_qcsnw` to support packed 4-bit weight tensors.

Differential Revision: [D73941991](https://our.internmc.facebook.com/intern/diff/D73941991/)
P
pytorchbot committed
5e8295ef80db6c32b65592d43e5fa8e9134daba9
Parent: b1d00e2
Committed by GitHub <noreply@github.com> on 5/8/2025, 6:40:32 AM