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vulkan: fix group_norm (#10496)

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Fix bad calculation of the end of the range. Add a backend test that
covers the bad case (taken from stable diffusion).

Fixes https://github.com/leejet/stable-diffusion.cpp/issues/439.
This commit is contained in:
Jeff Bolz
2024-11-26 09:45:05 -06:00
committed by GitHub
parent 45abe0f74e
commit 904109ed0d
3 changed files with 4 additions and 3 deletions
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ggml/src/ggml-vulkan/vulkan-shaders/group_norm.comp
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@@ -19,7 +19,7 @@ void main() {
const uint tid = gl_LocalInvocationID.x;
const uint start = gl_WorkGroupID.x * group_size + tid;
const uint end = start + group_size;
const uint end = (gl_WorkGroupID.x + 1) * group_size;
tmp[tid] = 0.0f;