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vulkan: use uint array index to avoid glslang bug (llama/13193)

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Jeff Bolz 2025-04-30 07:38:37 -05:00 committed by Georgi Gerganov
parent 919c78e618
commit 780750a108
1 changed files with 1 additions and 1 deletions
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ggml/src/ggml-vulkan/vulkan-shaders/dequant_funcs_cm2.comp
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@ -482,7 +482,7 @@ float16_t dequantFuncIQ2_XXS(const in decodeBufIQ2_XXS bl, const in uint blockCo
const uint ib8 = (idx & 0x18) >> 3; // 0..3 const uint ib8 = (idx & 0x18) >> 3; // 0..3
const uint iqs = 8 * ib32 + ib8; const uint iqs = 8 * ib32 + ib8;
const uint8_t qs = bl.block.qs[iqs]; const uint qs = bl.block.qs[iqs];
const uint signscale = pack32(u16vec2(bl16.block.qs[4*ib32+2], bl16.block.qs[4*ib32+3])); const uint signscale = pack32(u16vec2(bl16.block.qs[4*ib32+2], bl16.block.qs[4*ib32+3]));
const float dscale = float(bl.block.d) * 0.25 * (0.5 + float(signscale >> 28)); const float dscale = float(bl.block.d) * 0.25 * (0.5 + float(signscale >> 28));