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ggml : reading the runtime sve config of the cpu (#8709)

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* ggml : reading the runtime sve config of the cpu

* change to one time init to prevent performance drop

* prefix variable to avoid possible conflicts

* revert xxhash fix and add brackets

---------

Co-authored-by: domke <673751-domke@users.noreply.gitlab.com>
This commit is contained in:
jdomke 2024-08-04 01:34:41 +09:00 committed by GitHub
parent b72c20b85c
commit 76614f352e
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GPG Key ID: B5690EEEBB952194
5 changed files with 30 additions and 16 deletions
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28
ggml/src/ggml-aarch64.c
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@ -384,8 +384,8 @@ void ggml_gemv_q4_0_4x4_q8_0(int n, float * restrict s, size_t bs, const void *
UNUSED(blocklen);
#if defined(__ARM_FEATURE_SVE)
if (svcntw() == 8) {
GGML_ASSERT(!(ggml_cpu_has_sve() && (svcntw() == 8)) &&
if (ggml_sve_cnt_b == QK8_0) {
GGML_ASSERT(!(ggml_cpu_has_sve() && (ggml_sve_cnt_b == QK8_0)) &&
"__ARM_FEATURE_SVE defined, use the Q4_0_8_8 quantization format for optimal performance");
}
#endif
@ -496,8 +496,8 @@ void ggml_gemv_q4_0_4x8_q8_0(int n, float * restrict s, size_t bs, const void *
UNUSED(blocklen);
#if defined(__ARM_FEATURE_SVE)
if (svcntw() == 8) {
GGML_ASSERT(!(ggml_cpu_has_sve() && (svcntw() == 8)) &&
if (ggml_sve_cnt_b == QK8_0) {
GGML_ASSERT(!(ggml_cpu_has_sve() && (ggml_sve_cnt_b == QK8_0)) &&
"__ARM_FEATURE_SVE defined, use the Q4_0_8_8 quantization format for optimal performance");
}
#endif
@ -614,7 +614,7 @@ void ggml_gemv_q4_0_8x8_q8_0(int n, float * restrict s, size_t bs, const void *
UNUSED(blocklen);
#if defined(__ARM_FEATURE_SVE) && ! ((defined(_MSC_VER)) && ! defined(__clang__))
if (svcntw() == 8) {
if (ggml_sve_cnt_b == QK8_0) {
const void * b_ptr = vx;
const void * a_ptr = vy;
float * res_ptr = s;
@ -680,12 +680,12 @@ void ggml_gemv_q4_0_8x8_q8_0(int n, float * restrict s, size_t bs, const void *
return;
}
else if (ggml_cpu_has_neon() && ggml_cpu_has_matmul_int8()) {
GGML_ASSERT((ggml_cpu_has_sve() && (svcntw() == 8)) &&
GGML_ASSERT((ggml_cpu_has_sve() && (ggml_sve_cnt_b == QK8_0)) &&
"__ARM_FEATURE_SVE for vector size of 256-bits not defined, use the Q4_0_4_8 quantization format for optimal "
"performance");
}
else if (ggml_cpu_has_neon()) {
GGML_ASSERT(((ggml_cpu_has_sve() && (svcntw() == 8)) || ggml_cpu_has_matmul_int8()) &&
GGML_ASSERT(((ggml_cpu_has_sve() && (ggml_sve_cnt_b == QK8_0)) || ggml_cpu_has_matmul_int8()) &&
"__ARM_FEATURE_SVE for vector size of 256-bits and __ARM_FEATURE_MATMUL_INT8 not defined, use the Q4_0_4_4 "
"quantization format for optimal performance");
}
@ -745,8 +745,8 @@ void ggml_gemm_q4_0_4x4_q8_0(int n, float * restrict s, size_t bs, const void *
UNUSED(blocklen);
#if defined(__ARM_FEATURE_SVE) && defined(__ARM_FEATURE_MATMUL_INT8)
if (svcntw() == 8) {
GGML_ASSERT(!(ggml_cpu_has_sve() && (svcntw() == 8)) &&
if (ggml_sve_cnt_b == QK8_0) {
GGML_ASSERT(!(ggml_cpu_has_sve() && (ggml_sve_cnt_b == QK8_0)) &&
"__ARM_FEATURE_SVE defined, use the Q4_0_8_8 quantization format for optimal performance");
}
#endif
@ -1266,8 +1266,8 @@ void ggml_gemm_q4_0_4x8_q8_0(int n, float * restrict s, size_t bs, const void *
UNUSED(blocklen);
#if defined(__ARM_FEATURE_SVE) && defined(__ARM_FEATURE_MATMUL_INT8)
if (svcntw() == 8) {
GGML_ASSERT(!(ggml_cpu_has_sve() && (svcntw() == 8)) &&
if (ggml_sve_cnt_b == QK8_0) {
GGML_ASSERT(!(ggml_cpu_has_sve() && (ggml_sve_cnt_b == QK8_0)) &&
"__ARM_FEATURE_SVE defined, use the Q4_0_8_8 quantization format for optimal performance");
}
#endif
@ -1728,7 +1728,7 @@ void ggml_gemm_q4_0_8x8_q8_0(int n, float * restrict s, size_t bs, const void *
UNUSED(blocklen);
#if defined(__ARM_FEATURE_SVE) && defined(__ARM_FEATURE_MATMUL_INT8) && ! ((defined(_MSC_VER)) && ! defined(__clang__))
if (svcntw() == 8) {
if (ggml_sve_cnt_b == QK8_0) {
const void * b_ptr = vx;
const void * a_ptr = vy;
float * res_ptr = s;
@ -2139,12 +2139,12 @@ void ggml_gemm_q4_0_8x8_q8_0(int n, float * restrict s, size_t bs, const void *
return;
}
else if (ggml_cpu_has_neon() && ggml_cpu_has_matmul_int8()) {
GGML_ASSERT((ggml_cpu_has_sve() && (svcntw() == 8)) &&
GGML_ASSERT((ggml_cpu_has_sve() && (ggml_sve_cnt_b == QK8_0)) &&
"__ARM_FEATURE_SVE for vector size of 256-bits not defined, use the Q4_0_4_8 quantization format for optimal "
"performance");
}
else if (ggml_cpu_has_neon()) {
GGML_ASSERT(((ggml_cpu_has_sve() && (svcntw() == 8)) || ggml_cpu_has_matmul_int8()) &&
GGML_ASSERT(((ggml_cpu_has_sve() && (ggml_sve_cnt_b == QK8_0)) || ggml_cpu_has_matmul_int8()) &&
"__ARM_FEATURE_SVE for vector size of 256-bits and __ARM_FEATURE_MATMUL_INT8 not defined, use the Q4_0_4_4 "
"quantization format for optimal performance");
}

1
ggml/src/ggml-impl.h
View File

@ -143,6 +143,7 @@ extern "C" {
#if defined(__ARM_FEATURE_SVE)
#include <arm_sve.h>
#include <sys/prctl.h>
#endif
// 16-bit float

4
ggml/src/ggml-quants.c
View File

@ -3818,7 +3818,7 @@ void ggml_vec_dot_q4_0_q8_0(int n, float * restrict s, size_t bs, const void * r
float sumf = 0;
#if defined(__ARM_FEATURE_SVE)
if (svcntb() == QK8_0) {
if (ggml_sve_cnt_b == QK8_0) {
const svbool_t ptrueh = svptrue_pat_b8(SV_VL16);
const svbool_t ptruel = svnot_b_z(svptrue_b8(), ptrueh);
@ -5303,7 +5303,7 @@ void ggml_vec_dot_q8_0_q8_0(int n, float * restrict s, size_t bs, const void * r
float sumf = 0;
#if defined(__ARM_FEATURE_SVE)
if (svcntb() == QK8_0) {
if (ggml_sve_cnt_b == QK8_0) {
svfloat32_t sumv0 = svdup_n_f32(0.0f);
svfloat32_t sumv1 = svdup_n_f32(0.0f);

4
ggml/src/ggml-quants.h
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@ -127,6 +127,10 @@ void iq2xs_free_impl(enum ggml_type type);
void iq3xs_init_impl(int grid_size);
void iq3xs_free_impl(int grid_size);
#if defined(__ARM_FEATURE_SVE)
extern int ggml_sve_cnt_b;
#endif
#ifdef __cplusplus
}
#endif

9
ggml/src/ggml.c
View File

@ -37,6 +37,9 @@
#include <unistd.h>
#endif
#if defined(__ARM_FEATURE_SVE)
int ggml_sve_cnt_b = 0;
#endif
#if defined(__ARM_FEATURE_SVE) || defined(__ARM_FEATURE_MATMUL_INT8)
#undef GGML_USE_LLAMAFILE
#endif
@ -3558,6 +3561,12 @@ struct ggml_context * ggml_init(struct ggml_init_params params) {
GGML_ASSERT_ALIGNED(ctx->mem_buffer);
#if defined(__ARM_FEATURE_SVE)
if (!ggml_sve_cnt_b) {
ggml_sve_cnt_b = PR_SVE_VL_LEN_MASK & prctl(PR_SVE_GET_VL);
}
#endif
GGML_PRINT_DEBUG("%s: context initialized\n", __func__);
ggml_critical_section_end();