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Hongqiang Wang 95ef7fc160 opencl: quant lm_head / decode GEMV and medium-batch GEMM optimizations (speculative decoding/MTP) (#26477)
* opencl: quant lm_head / decode GEMV and medium-batch GEMM optimizations

* opencl: guard q4_K/q6_K tiled_ns convert-kernel registration for non-Adreno build

* opencl: gate q4_K MUL_MAT+GLU fusion dispatch to Adreno

* opencl: require the noshuffle weight layout in the q4_K GLU fusion gate

* opencl: do not take the vectorized f16 mrow GEMV path on an unaligned row stride

* opencl: pass the new get_scale_min_k4 stride argument at the row-major call sites

* opencl: enable the q4_K split-K decode GEMV only where it is measured to win

* opencl: record the X1-85 split-K datapoint (neutral, exclusion confirmed)

* opencl: restrict the tiled lm_head/embed GEMV default to X2E/A8X

* opencl: fix q4_K variant kernels to read the transposed scales layout

* opencl: keep the flat-GEMV large-m escape opt-in

* opencl: guard the o4 GEMV store against the rounded-up dispatch tail

* opencl: restore the tiled q4_K/q6_K layout on tensor read-back

* opencl: split-K for the q8_0 decode GEMV at small M

* opencl: keep the q6_K noshuffle correctness escape ahead of the opt-in gate
2026-09-03 09:46:19 -07:00
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