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CUDA: app option to compile without FlashAttention (#12025)

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Johannes Gäßler 2025-02-22 20:44:34 +01:00 • committed by GitHub
parent 36c258ee92
commit a28e0d5eb1
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13 changed files with 46 additions and 31 deletions
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8
ggml/src/ggml-cuda/fattn-mma-f16.cuh
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@ -839,10 +839,7 @@ static __global__ void flash_attn_ext_f16(
const int ne1,
const int ne2,
const int ne3) {
#ifndef NEW_MMA_AVAILABLE
NO_DEVICE_CODE;
return;
#endif // NEW_MMA_AVAILABLE
#if defined(FLASH_ATTN_AVAILABLE) && defined(NEW_MMA_AVAILABLE)
// Skip unused kernel variants for faster compilation:
if (use_logit_softcap && !(D == 128 || D == 256)) {
@ -933,6 +930,9 @@ static __global__ void flash_attn_ext_f16(
flash_attn_ext_f16_process_tile<D, ncols1, ncols2, nwarps, KQ_per_iter, ntiles, use_logit_softcap, needs_fixup, is_fixup>
(Q_f2, K_h2, V_h2, mask_h2, dstk, dst_meta, scale, slope, logit_softcap,
ne01, ne02, stride_Q1, stride_Q2, stride_KV, stride_mask, jt, kb0_start_kernel, kb0_stop_kernel);
#else
NO_DEVICE_CODE;
#endif // defined(FLASH_ATTN_AVAILABLE) && defined(NEW_MMA_AVAILABLE)
}
template <int D, int ncols1, int ncols2>