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ggml : refactor forward_dup for cpu backend (#16062)

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* ggml : refactor forward_dup for cpu backend

* clean up a bit

* add quant/dequant perf test
This commit is contained in:
Xuan-Son Nguyen
2025-09-19 11:31:56 +07:00
committed by GitHub
parent 69ffd89163
commit 0dd58b6877
3 changed files with 94 additions and 855 deletions
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14
ggml/src/ggml-cpu/common.h
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@@ -28,6 +28,14 @@ static inline float bf16_to_f32(ggml_bf16_t x) {
return GGML_BF16_TO_FP32(x);
}
static inline float i32_to_f32(int32_t x) {
return x;
}
static inline int32_t f32_to_i32(float x) {
return x;
}
static inline float f32_to_f32(float x) {
return x;
}
@@ -54,6 +62,12 @@ struct type_conversion_table<ggml_bf16_t> {
static constexpr ggml_bf16_t (*from_f32)(float) = f32_to_bf16;
};
template <>
struct type_conversion_table<int32_t> {
static constexpr float (*to_f32)(int32_t) = i32_to_f32;
static constexpr int32_t (*from_f32)(float) = f32_to_i32;
};
static std::pair<int64_t, int64_t> get_thread_range(const struct ggml_compute_params * params, const struct ggml_tensor * src0) {
const int64_t ith = params->ith;
const int64_t nth = params->nth;

883
ggml/src/ggml-cpu/ops.cpp
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File diff suppressed because it is too large Load Diff

2
tests/test-backend-ops.cpp
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@@ -6632,6 +6632,8 @@ static std::vector<std::unique_ptr<test_case>> make_test_cases_perf() {
test_cases.emplace_back(new test_cpy(GGML_TYPE_F32, GGML_TYPE_F16, {512, 3072, 1, 1}));
test_cases.emplace_back(new test_cpy(GGML_TYPE_F32, GGML_TYPE_F32, {8192, 512, 2, 1}, {0, 2, 1, 3}));
test_cases.emplace_back(new test_cpy(GGML_TYPE_F32, GGML_TYPE_F32, {3072, 512, 2, 1}, {0, 2, 1, 3}));
test_cases.emplace_back(new test_cpy(GGML_TYPE_F32, GGML_TYPE_Q4_0, {8192, 512, 2, 1}));
test_cases.emplace_back(new test_cpy(GGML_TYPE_Q4_0, GGML_TYPE_F32, {8192, 512, 2, 1}));
test_cases.emplace_back(new test_soft_max(GGML_TYPE_F32, {4096, 4096, 5, 1}, false, false, GGML_TYPE_F32, {1, 1}, 1.0f, 0.0f));
test_cases.emplace_back(new test_soft_max(GGML_TYPE_F32, {12888, 256, 5, 1}, false, false, GGML_TYPE_F32, {1, 1}, 1.0f, 0.0f));