llama.cpp/ggml/src/kompute-shaders/op_mul_mat_q4_1.comp
Georgi Gerganov f3f65429c4
llama : reorganize source code + improve CMake (#8006)
* scripts : update sync [no ci]

* files : relocate [no ci]

* ci : disable kompute build [no ci]

* cmake : fixes [no ci]

* server : fix mingw build

ggml-ci

* cmake : minor [no ci]

* cmake : link math library [no ci]

* cmake : build normal ggml library (not object library) [no ci]

* cmake : fix kompute build

ggml-ci

* make,cmake : fix LLAMA_CUDA + replace GGML_CDEF_PRIVATE

ggml-ci

* move public backend headers to the public include directory (#8122)

* move public backend headers to the public include directory

* nix test

* spm : fix metal header

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Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>

* scripts : fix sync paths [no ci]

* scripts : sync ggml-blas.h [no ci]

---------

Co-authored-by: slaren <slarengh@gmail.com>
2024-06-26 18:33:02 +03:00

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#version 450
#include "common.comp"
#define BLOCKS_IN_QUANT QK4_1
#define SIZE_OF_BLOCK sizeof_block_q4_1
#define N_ROWS 4
#include "op_mul_mv_q_n_pre.comp"
// The q4_1 version of this function
float block_q_n_dot_y(uint block_index, uint yb, uint il) {
vec2 acc = vec2(0.0, 0.0);
const uint index = (block_index) * SIZE_OF_BLOCK + pcs.inAOff;
float d = float(u8BufToFloat16(inA, index));
float m = float(u8BufToFloat16(inA, index+2));
float sumy = 0.0f;
for (int i = 0; i < BLOCKS_IN_QUANT/4; i+=2) {
const uint16_t b = u8BufToU16(inA, index + 4 + il + i);
const float yl0 = inB[yb + i];
const float yl1 = inB[yb + i + 1];
const float yl8 = inB[yb + i + BLOCKS_IN_QUANT/2];
const float yl9 = inB[yb + i + BLOCKS_IN_QUANT/2 + 1];
sumy += yl0 + yl1 + yl8 + yl9;
acc[0] += yl0 * (b & 0x000F) + yl1 / 256.f * (b & 0x0F00);
acc[1] += yl8 / 16.f * (b & 0x00F0) + yl9 / 4096.f * (b & 0xF000);
}
return d * (acc[0] + acc[1]) + sumy * m;
}
#include "op_mul_mv_q_n.comp"