ikawrakow/ik_llama.cpp
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Fix overflow in offset calculation in mmq (#1059)

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Co-authored-by: Iwan Kawrakow <iwan.kawrakow@gmail.com>
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Kawrakow
2025-12-12 14:31:06 +01:00
committed by GitHub
parent 53fb7a4118
commit b3a19a6f37
1 changed files with 1 additions and 1 deletions
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ggml/src/ggml-cuda/mmq.cuh
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@@ -3875,7 +3875,7 @@ static __device__ void mul_mat_q_process_tile(
const int * y = (const int *) yc + jt*(mmq_x*sizeof(block_q8_1_mmq)/sizeof(int));
for (int kb0 = kb0_start; kb0 < kb0_stop; kb0 += blocks_per_iter) {
load_tiles(x + stride01*it*mmq_y, tile_x, kb0, tile_x_max_i, stride01);
load_tiles(x + int64_t(stride01)*it*mmq_y, tile_x, kb0, tile_x_max_i, stride01);
{
const int * by0 = y + stride11*(kb0*(qk*sizeof(block_q8_1_mmq) / (4*QK8_1*sizeof(int))) + 0*sizeof(block_q8_1_mmq)/sizeof(int));