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vulkan: skip integer div/mod in get_offsets for batch_idx==0 (llama/10506)

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Jeff Bolz 2024-11-27 01:08:54 -06:00 committed by Georgi Gerganov
parent 2f16e51553
commit 2d6e9dd723
1 changed files with 8 additions and 5 deletions
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ggml/src/ggml-vulkan/vulkan-shaders/mul_mat_vec_base.comp
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@ -52,13 +52,16 @@ void get_offsets(out uint a_offset, out uint b_offset, out uint d_offset) {
#endif #endif
#ifndef MUL_MAT_ID #ifndef MUL_MAT_ID
uint batch_idx_a = 0;
if (batch_idx != 0) {
const uint i13 = batch_idx / p.ne12; const uint i13 = batch_idx / p.ne12;
const uint i12 = batch_idx % p.ne12; const uint i12 = batch_idx % p.ne12;
const uint i03 = i13 / p.broadcast3; const uint i03 = i13 / p.broadcast3;
const uint i02 = i12 / p.broadcast2; const uint i02 = i12 / p.broadcast2;
const uint batch_idx_a = i03 * p.ne02 + i02; batch_idx_a = i03 * p.ne02 + i02;
}
#else #else
const uint expert_id = data_ids[expert_idx]; const uint expert_id = data_ids[expert_idx];
#endif #endif