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#pragma once
#include "ggml.h"
#include "traits.h"
#include "ggml-cpu-impl.h"
#include "ggml-impl.h"
#include "simd-mappings.h"
#ifdef __cplusplus
#include <utility>
// convenience functions/macros for use in template calls
// note: these won't be required after the 'traits' lookup table is used.
static inline ggml_fp16_t f32_to_f16(float x) {
return GGML_CPU_FP32_TO_FP16(x);
}
static inline float f16_to_f32(ggml_fp16_t x) {
return GGML_CPU_FP16_TO_FP32(x);
}
static inline ggml_bf16_t f32_to_bf16(float x) {
return GGML_FP32_TO_BF16(x);
}
static inline float bf16_to_f32(ggml_bf16_t x) {
return GGML_BF16_TO_FP32(x);
}
static inline float f32_to_f32(float x) {
return x;
}
// TODO - merge this into the traits table, after using row-based conversions
template <class T>
struct type_conversion_table;
template <>
struct type_conversion_table<ggml_fp16_t> {
static constexpr float (*to_f32)(ggml_fp16_t) = f16_to_f32;
static constexpr ggml_fp16_t (*from_f32)(float) = f32_to_f16;
};
template <>
struct type_conversion_table<float> {
static constexpr float (*to_f32)(float) = f32_to_f32;
static constexpr float (*from_f32)(float) = f32_to_f32;
};
template <>
struct type_conversion_table<ggml_bf16_t> {
static constexpr float (*to_f32)(ggml_bf16_t) = bf16_to_f32;
static constexpr ggml_bf16_t (*from_f32)(float) = f32_to_bf16;
};
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;
const int64_t nr = ggml_nrows(src0);
// rows per thread
const int64_t dr = (nr + nth - 1)/nth;
// row range for this thread
const int64_t ir0 = dr*ith;
const int64_t ir1 = MIN(ir0 + dr, nr);
return {ir0, ir1};
}
#endif
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