vulkan: optimize conv2d and implement coopmat1 support#22620

Merged

0cc4m merged 8 commits into

ggml-org:masterfrom

jeffbolznv:conv2d_opts_cm1

May 26, 2026

Commits on May 2, 2026

vulkan: add CONV_SHAPE_64x128 for medium-K conv2d

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vulkan: skip conv2d bounds checks when shapes align with tile sizes

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vulkan: use WG_SIZE=128 for CONV_SHAPE_64x32 conv2d

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vulkan: stage cm2 conv2d accumulator through shmem before global store

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vulkan: add coopmat1 conv2d path

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fallback when using too much shared memory. clean up comments
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Require 16x16x16 and subgroup size 32 or 64
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Commits on May 17, 2026

check whether shared memory is sufficient before overwriting conv2d params with coopmat1 values
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