#pragma once #include "ggml-impl.h" // GGML internal header #include #include #define QK4_0 32 typedef struct { ggml_fp16_t d; // delta uint8_t qs[QK4_0 / 2]; // nibbles / quants } block_q4_0; static_assert(sizeof(block_q4_0) == sizeof(ggml_fp16_t) + QK4_0 / 2, "wrong q4_0 block size/padding"); #define QK4_1 32 typedef struct { ggml_fp16_t d; // delta ggml_fp16_t m; // min uint8_t qs[QK4_1 / 2]; // nibbles / quants } block_q4_1; static_assert(sizeof(block_q4_1) == 2 * sizeof(ggml_fp16_t) + QK4_1 / 2, "wrong q4_1 block size/padding"); #define QK5_0 32 typedef struct { ggml_fp16_t d; // delta uint8_t qh[4]; // 5-th bit of quants uint8_t qs[QK5_0 / 2]; // nibbles / quants } block_q5_0; static_assert(sizeof(block_q5_0) == sizeof(ggml_fp16_t) + sizeof(uint32_t) + QK5_0 / 2, "wrong q5_0 block size/padding"); #define QK5_1 32 typedef struct { ggml_fp16_t d; // delta ggml_fp16_t m; // min uint8_t qh[4]; // 5-th bit of quants uint8_t qs[QK5_1 / 2]; // nibbles / quants } block_q5_1; static_assert(sizeof(block_q5_1) == 2 * sizeof(ggml_fp16_t) + sizeof(uint32_t) + QK5_1 / 2, "wrong q5_1 block size/padding"); #define QK8_0 32 typedef struct { ggml_fp16_t d; // delta int8_t qs[QK8_0]; // quants } block_q8_0; static_assert(sizeof(block_q8_0) == sizeof(ggml_fp16_t) + QK8_0, "wrong q8_0 block size/padding"); #define QK8_1 32 typedef struct { float d; // delta float s; // d * sum(qs[i]) int8_t qs[QK8_1]; // quants } block_q8_1; static_assert(sizeof(block_q8_1) == 2*sizeof(float) + QK8_1, "wrong q8_1 block size/padding"); // // Super-block quantization structures // // Super-block size #ifdef GGML_QKK_64 #define QK_K 64 #define K_SCALE_SIZE 4 #else #define QK_K 256 #define K_SCALE_SIZE 12 #endif // 2-bit quantization // weight is represented as x = a * q + b // 16 blocks of 16 elements each // Effectively 2.5625 bits per weight typedef struct { uint8_t scales[QK_K/16]; // scales and mins, quantized with 4 bits uint8_t qs[QK_K/4]; // quants ggml_fp16_t d; // super-block scale for quantized scales ggml_fp16_t dmin; // super-block scale for quantized mins } block_q2_K; static_assert(sizeof(block_q2_K) == 2*sizeof(ggml_fp16_t) + QK_K/16 + QK_K/4, "wrong q2_K block size/padding"); // 3-bit quantization // weight is represented as x = a * q // 16 blocks of 16 elements each // Effectively 3.4375 bits per weight #ifdef GGML_QKK_64 typedef struct { uint8_t hmask[QK_K/8]; // quants - high bit uint8_t qs[QK_K/4]; // quants - low 2 bits uint8_t scales[2]; ggml_fp16_t d; // super-block scale } block_q3_K; static_assert(sizeof(block_q3_K) == sizeof(ggml_fp16_t) + QK_K / 4 + QK_K / 8 + 2, "wrong q3_K block size/padding"); #else typedef struct { uint8_t hmask[QK_K/8]; // quants - high bit uint8_t qs[QK_K/4]; // quants - low 2 bits uint8_t scales[12]; // scales, quantized with 6 bits ggml_fp16_t d; // super-block scale } block_q3_K; static_assert(sizeof(block_q3_K) == sizeof(ggml_fp16_t) + QK_K / 4 + QK_K / 8 + 12, "wrong q3_K block size/padding"); #endif // 4-bit quantization // 8 blocks of 32 elements each // weight is represented as x = a * q + b // Effectively 4.5 bits per weight #ifdef GGML_QKK_64 typedef struct { ggml_fp16_t d[2]; // super-block scales/mins uint8_t scales[2]; // 4-bit block scales/mins uint8_t qs[QK_K/2]; // 4--bit quants } block_q4_K; static_assert(sizeof(block_q4_K) == 2*sizeof(ggml_fp16_t) + QK_K/2 + 2, "wrong q4_K block size/padding"); #else typedef struct { ggml_fp16_t d; // super-block scale for quantized scales ggml_fp16_t dmin; // super-block scale for quantized mins uint8_t scales[K_SCALE_SIZE]; // scales and mins, quantized with 6 bits uint8_t qs[QK_K/2]; // 4--bit quants } block_q4_K; static_assert(sizeof(block_q4_K) == 2*sizeof(ggml_fp16_t) + K_SCALE_SIZE + QK_K/2, "wrong q4_K block size/padding"); #endif // 5-bit quantization // 8 blocks of 32 elements each // weight is represented as x = a * q + b // Effectively 5.5 bits per weight #ifdef GGML_QKK_64 typedef struct { ggml_fp16_t d; // super-block scale int8_t scales[QK_K/16]; // 8-bit block scales uint8_t qh[QK_K/8]; // quants, high bit uint8_t qs[QK_K/2]; // quants, low 4 bits } block_q5_K; static_assert(sizeof(block_q5_K) == sizeof(ggml_fp16_t) + QK_K/2 + QK_K/8 + QK_K/16, "wrong q5_K block size/padding"); #else typedef struct { ggml_fp16_t d; // super-block scale for quantized scales ggml_fp16_t dmin; // super-block scale for quantized mins uint8_t scales[K_SCALE_SIZE]; // scales and mins, quantized with 6 bits uint8_t qh[QK_K/8]; // quants, high bit uint8_t qs[QK_K/2]; // quants, low 4 bits } block_q5_K; static_assert(sizeof(block_q5_K) == 2*sizeof(ggml_fp16_t) + K_SCALE_SIZE + QK_K/2 + QK_K/8, "wrong q5_K block size/padding"); #endif // 6-bit quantization // weight is represented as x = a * q // 16 blocks of 16 elements each // Effectively 6.5625 bits per weight typedef struct { uint8_t ql[QK_K/2]; // quants, lower 4 bits uint8_t qh[QK_K/4]; // quants, upper 2 bits int8_t scales[QK_K/16]; // scales, quantized with 8 bits ggml_fp16_t d; // super-block scale } block_q6_K; static_assert(sizeof(block_q6_K) == sizeof(ggml_fp16_t) + QK_K / 16 + 3*QK_K/4, "wrong q6_K block size/padding"); // This is only used for intermediate quantization and dot products typedef struct { float d; // delta int8_t qs[QK_K]; // quants int16_t bsums[QK_K/16]; // sum of quants in groups of 16 } block_q8_K; static_assert(sizeof(block_q8_K) == sizeof(float) + QK_K + QK_K/16*sizeof(int16_t), "wrong q8_K block size/padding"); // Quantization void quantize_row_q4_0_reference(const float * restrict x, block_q4_0 * restrict y, int k); void quantize_row_q4_1_reference(const float * restrict x, block_q4_1 * restrict y, int k); void quantize_row_q5_0_reference(const float * restrict x, block_q5_0 * restrict y, int k); void quantize_row_q5_1_reference(const float * restrict x, block_q5_1 * restrict y, int k); void quantize_row_q8_0_reference(const float * restrict x, block_q8_0 * restrict y, int k); void quantize_row_q8_1_reference(const float * restrict x, block_q8_1 * restrict y, int k); void quantize_row_q2_K_reference(const float * restrict x, block_q2_K * restrict y, int k); void quantize_row_q3_K_reference(const float * restrict x, block_q3_K * restrict y, int k); void quantize_row_q4_K_reference(const float * restrict x, block_q4_K * restrict y, int k); void quantize_row_q5_K_reference(const float * restrict x, block_q5_K * restrict y, int k); void quantize_row_q6_K_reference(const float * restrict x, block_q6_K * restrict y, int k); void quantize_row_q8_K_reference(const float * restrict x, block_q8_K * restrict y, int k); void quantize_row_q4_0(const float * restrict x, void * restrict y, int k); void quantize_row_q4_1(const float * restrict x, void * restrict y, int k); void quantize_row_q5_0(const float * restrict x, void * restrict y, int k); void quantize_row_q5_1(const float * restrict x, void * restrict y, int k); void quantize_row_q8_0(const float * restrict x, void * restrict y, int k); void quantize_row_q8_1(const float * restrict x, void * restrict y, int k); void quantize_row_q2_K(const float * restrict x, void * restrict y, int k); void quantize_row_q3_K(const float * restrict x, void * restrict y, int k); void quantize_row_q4_K(const float * restrict x, void * restrict y, int k); void quantize_row_q5_K(const float * restrict x, void * restrict y, int k); void quantize_row_q6_K(const float * restrict x, void * restrict y, int k); void quantize_row_q8_K(const float * restrict x, void * restrict y, int k); // Dequantization void dequantize_row_q4_0(const block_q4_0 * restrict x, float * restrict y, int k); void dequantize_row_q4_1(const block_q4_1 * restrict x, float * restrict y, int k); void dequantize_row_q5_0(const block_q5_0 * restrict x, float * restrict y, int k); void dequantize_row_q5_1(const block_q5_1 * restrict x, float * restrict y, int k); void dequantize_row_q8_0(const block_q8_0 * restrict x, float * restrict y, int k); //void dequantize_row_q8_1(const block_q8_1 * restrict x, float * restrict y, int k); void dequantize_row_q2_K(const block_q2_K * restrict x, float * restrict y, int k); void dequantize_row_q3_K(const block_q3_K * restrict x, float * restrict y, int k); void dequantize_row_q4_K(const block_q4_K * restrict x, float * restrict y, int k); void dequantize_row_q5_K(const block_q5_K * restrict x, float * restrict y, int k); void dequantize_row_q6_K(const block_q6_K * restrict x, float * restrict y, int k); void dequantize_row_q8_K(const block_q8_K * restrict x, float * restrict y, int k); // Dot product void ggml_vec_dot_q4_0_q8_0(int n, float * restrict s, const void * restrict vx, const void * restrict vy); void ggml_vec_dot_q4_1_q8_1(int n, float * restrict s, const void * restrict vx, const void * restrict vy); void ggml_vec_dot_q5_0_q8_0(int n, float * restrict s, const void * restrict vx, const void * restrict vy); void ggml_vec_dot_q5_1_q8_1(int n, float * restrict s, const void * restrict vx, const void * restrict vy); void ggml_vec_dot_q8_0_q8_0(int n, float * restrict s, const void * restrict vx, const void * restrict vy); void ggml_vec_dot_q2_K_q8_K(int n, float * restrict s, const void * restrict vx, const void * restrict vy); void ggml_vec_dot_q3_K_q8_K(int n, float * restrict s, const void * restrict vx, const void * restrict vy); void ggml_vec_dot_q4_K_q8_K(int n, float * restrict s, const void * restrict vx, const void * restrict vy); void ggml_vec_dot_q5_K_q8_K(int n, float * restrict s, const void * restrict vx, const void * restrict vy); void ggml_vec_dot_q6_K_q8_K(int n, float * restrict s, const void * restrict vx, const void * restrict vy);