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metal : optimize FA kernels (#10171)

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* ggml : add ggml_flash_attn_ext_get_prec

* metal : use F16 precision in FA kernels

ggml-ci

* metal : minor clean-up

* metal : compile-guard bf16 FA kernels

ggml-ci

* build : remove obsolete compile flag [no ci]

* metal : prevent int overflows [no ci]

* cuda : disable BF16 FA

ggml-ci

* metal : fix BF16 requirement for FA kernels

ggml-ci

* make : clean-up [no ci]
This commit is contained in:
Georgi Gerganov
2024-11-08 13:47:22 +02:00
committed by GitHub
parent d05b3127bd
commit 841f27abdb
8 changed files with 498 additions and 339 deletions
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3
ggml/include/ggml.h
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@ -1746,6 +1746,9 @@ extern "C" {
struct ggml_tensor * a,
enum ggml_prec prec);
GGML_API enum ggml_prec ggml_flash_attn_ext_get_prec(
const struct ggml_tensor * a);
// TODO: needs to be adapted to ggml_flash_attn_ext
GGML_API struct ggml_tensor * ggml_flash_attn_back(
struct ggml_context * ctx,