vbatts/llama.cpp
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CUDA: fix Gemma 2 numerical issues for FA (#9166)

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Johannes Gäßler 2024-08-25 22:11:48 +02:00 • committed by GitHub
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src/llama.cpp
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@ -8877,7 +8877,7 @@ static struct ggml_tensor * llm_build_kqv(
cur = ggml_flash_attn_ext(ctx, q, k, v, kq_mask, kq_scale, hparams.f_max_alibi_bias, cur = ggml_flash_attn_ext(ctx, q, k, v, kq_mask, kq_scale, hparams.f_max_alibi_bias,
hparams.attn_soft_cap ? hparams.f_attn_logit_softcapping : 0.0f); hparams.attn_soft_cap ? hparams.f_attn_logit_softcapping : 0.0f);
if (model.arch == LLM_ARCH_PHI2 || model.arch == LLM_ARCH_PHI3 || model.arch == LLM_ARCH_GPTNEOX) { if (model.arch == LLM_ARCH_PHI2 || model.arch == LLM_ARCH_PHI3 || model.arch == LLM_ARCH_GPTNEOX || model.arch == LLM_ARCH_GEMMA2) {
ggml_flash_attn_ext_set_prec(cur, GGML_PREC_F32); ggml_flash_attn_ext_set_prec(cur, GGML_PREC_F32);
} }