mirror of
https://github.com/ggerganov/llama.cpp.git
synced 2025-01-05 00:04:36 +00:00
88 lines
3.1 KiB
Plaintext
88 lines
3.1 KiB
Plaintext
/**
|
|
* Copyright (c) 2023 Nomic, Inc. All rights reserved.
|
|
*
|
|
* This software is licensed under the terms of the Software for Open Models
|
|
* License (SOM), version 1.0, as detailed in the LICENSE_SOM.txt file. A copy
|
|
* of this license should accompany this software. Except as expressly granted
|
|
* in the SOM license, all rights are reserved by Nomic, Inc.
|
|
*/
|
|
|
|
#version 450
|
|
|
|
#include "common.comp"
|
|
|
|
#extension GL_KHR_shader_subgroup_arithmetic : require
|
|
#extension GL_EXT_debug_printf : enable
|
|
|
|
layout(local_size_x = 256) in;
|
|
|
|
layout(binding = 0) readonly buffer tensorInA { uint8_t inA[]; };
|
|
layout(binding = 1) readonly buffer tensorInB { float inB[]; };
|
|
layout(binding = 2) writeonly buffer tensorOut { float out_[]; };
|
|
|
|
layout(push_constant) uniform parameter {
|
|
uint inAOff;
|
|
uint inBOff;
|
|
uint outOff;
|
|
int ne00;
|
|
int ne01;
|
|
int ne02;
|
|
int ne11;
|
|
int ne12;
|
|
uint nb01;
|
|
uint nb02;
|
|
uint nb11;
|
|
uint nb12;
|
|
uint nb1;
|
|
uint nb2;
|
|
}
|
|
pcs;
|
|
|
|
|
|
#define ELS_PER_BLOCK 256 //QK_K
|
|
#define QH_OFFSET (ELS_PER_BLOCK / 2)
|
|
#define QSCALES_OFFSET (QH_OFFSET + (ELS_PER_BLOCK / 4))
|
|
#define SCALE_SCALE_OFFSET (QSCALES_OFFSET + (ELS_PER_BLOCK / 16))
|
|
#define BLOCK_SIZE (SCALE_SCALE_OFFSET + 2)
|
|
|
|
void main() {
|
|
uvec3 gid = gl_GlobalInvocationID;
|
|
|
|
uint bc_ab = pcs.ne12 > pcs.ne02 ? gid.z / (pcs.ne12 / pcs.ne02) : gid.z;
|
|
uint bc_ba = pcs.ne02 > pcs.ne12 ? gid.z / (pcs.ne02 / pcs.ne12) : gid.z;
|
|
|
|
const uint x = (gid.x*pcs.nb01 + bc_ab*pcs.nb02) + pcs.inAOff; // Based from inA
|
|
const uint y = (gid.y*pcs.nb11 + bc_ba*pcs.nb12) / 4 + pcs.inBOff; // based from inB
|
|
|
|
float sum = 0.0f;
|
|
const uint n_blocks = pcs.ne00 / ELS_PER_BLOCK;
|
|
// this is pretty much all lifted right from dequantize_row_q6_K
|
|
uint outoff = 0;
|
|
for (uint i = 0; i < n_blocks; i++) {
|
|
const uint block_number = i;
|
|
const uint block_offset = block_number * BLOCK_SIZE;
|
|
const float scales_d = u8BufToFloat16(inA, x + block_offset + SCALE_SCALE_OFFSET);
|
|
uint qloff = block_offset;
|
|
uint qhoff = block_offset + QH_OFFSET;
|
|
uint scoff = block_offset + QSCALES_OFFSET;
|
|
for (int n = 0; n < 256; n += 128) {
|
|
for (int l = 0; l < 32; ++l) {
|
|
int is = l/16;
|
|
const int q1 = int((inA[x + qloff + l + 0] & 0xF) | (((inA[x + qhoff + l] >> 0) & 3) << 4)) - 32;
|
|
const int q2 = int((inA[x + qloff + l + 32] & 0xF) | (((inA[x + qhoff + l] >> 2) & 3) << 4)) - 32;
|
|
const int q3 = int((inA[x + qloff + l + 0] >> 4) | (((inA[x + qhoff + l] >> 4) & 3) << 4)) - 32;
|
|
const int q4 = int((inA[x + qloff + l + 32] >> 4) | (((inA[x + qhoff + l] >> 6) & 3) << 4)) - 32;
|
|
sum += inB[y + outoff + l + 0] * scales_d * int8_t(inA[x + scoff + is + 0]) * q1;
|
|
sum += inB[y + outoff + l + 32] * scales_d * int8_t(inA[x + scoff + is + 2]) * q2;
|
|
sum += inB[y + outoff + l + 64] * scales_d * int8_t(inA[x + scoff + is + 4]) * q3;
|
|
sum += inB[y + outoff + l + 96] * scales_d * int8_t(inA[x + scoff + is + 6]) * q4;
|
|
}
|
|
outoff += 128;
|
|
qloff += 64;
|
|
qhoff += 32;
|
|
scoff += 8;
|
|
}
|
|
}
|
|
|
|
out_[gid.z*(pcs.nb2/4) + gid.y*(pcs.nb1/4) + gid.x + pcs.outOff] = sum;
|
|
} |