llama.cpp/ggml/src/ggml-opencl/kernels/cvt.cl

418 lines
14 KiB
Common Lisp

//------------------------------------------------------------------------------
// This file is contains kernels for data conversion.
// These kernels are used when loading the model, so its performance is less
// important.
//------------------------------------------------------------------------------
#pragma OPENCL EXTENSION cl_khr_fp16 : enable
#ifdef cl_intel_required_subgroup_size
#pragma OPENCL EXTENSION cl_intel_required_subgroup_size : enable
#define INTEL_GPU 1
#define REQD_SUBGROUP_SIZE_16 __attribute__((intel_reqd_sub_group_size(16)))
#define REQD_SUBGROUP_SIZE_32 __attribute__((intel_reqd_sub_group_size(32)))
#elif defined(cl_qcom_reqd_sub_group_size)
#pragma OPENCL EXTENSION cl_qcom_reqd_sub_group_size : enable
#define ADRENO_GPU 1
#define REQD_SUBGROUP_SIZE_64 __attribute__((qcom_reqd_sub_group_size("half")))
#define REQD_SUBGROUP_SIZE_128 __attribute__((qcom_reqd_sub_group_size("full")))
#endif
#define QK4_0 32
#define QR4_0 2
#define QK4_1 32
#define QR4_1 2
#define QK5_0 32
#define QR5_0 2
#define QK5_1 32
#define QR5_1 2
#define QK8_0 32
#define QR8_0 1
#define QK_K 256
#define K_QUANTS_PER_ITERATION 2
typedef char int8_t;
typedef uchar uint8_t;
typedef short int16_t;
typedef ushort uint16_t;
typedef int int32_t;
typedef uint uint32_t;
//------------------------------------------------------------------------------
// block_q4_0
//------------------------------------------------------------------------------
struct block_q4_0
{
half d;
uint8_t qs[QK4_0 / 2];
};
//------------------------------------------------------------------------------
// block_q4_1
//------------------------------------------------------------------------------
struct block_q4_1 {
half d; // delta
half m; // min
uchar qs[QK4_1 / 2]; // nibbles / quants
};
//------------------------------------------------------------------------------
// block_q6_K
//------------------------------------------------------------------------------
struct block_q6_K {
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
half d; // super-block scale
};
//------------------------------------------------------------------------------
// kernel_convert_block_q4_0
// Convert the block_q4_0 format to 2 separate arrays (AOS -> SOA).
// This kernel does not deshuffle the bits.
//------------------------------------------------------------------------------
kernel void kernel_convert_block_q4_0(
global struct block_q4_0 * src0,
global uchar * dst_q,
global half * dst_d
) {
global struct block_q4_0 * b = (global struct block_q4_0 *) src0 + get_global_id(0);
global uchar * q = (global uchar *) dst_q + QK4_0/2*get_global_id(0);
global half * d = (global half *) dst_d + get_global_id(0);
*d = b->d;
for (int i = 0; i < QK4_0/2; ++i) {
q[i] = b->qs[i];
}
}
kernel void kernel_restore_block_q4_0(
global uchar * src_q,
global half * src_d,
global struct block_q4_0 * dst
) {
global struct block_q4_0 * b = (global struct block_q4_0 *) dst + get_global_id(0);
global uchar * q = (global uchar *) src_q + QK4_0/2*get_global_id(0);
global half * d = (global half *) src_d + get_global_id(0);
b->d = *d;
for (int i = 0; i < QK4_0/2; ++i) {
b->qs[i] = q[i];
}
}
//------------------------------------------------------------------------------
// kernel_convert_block_q4_0_noshuffle
// Flatten q4_0 weights and unshuffle the bits
//------------------------------------------------------------------------------
kernel void kernel_convert_block_q4_0_noshuffle(
global struct block_q4_0 * src0,
global uchar * dst_q,
global half * dst_d
) {
global struct block_q4_0 * b = (global struct block_q4_0 *) src0 + get_global_id(0);
global uchar * q = (global uchar *) dst_q + QK4_0/2*get_global_id(0);
global half * d = (global half *) dst_d + get_global_id(0);
*d = b->d;
for (int i = 0; i < QK4_0/4; ++i) {
uchar x0 = b->qs[2*i + 0];
uchar x1 = b->qs[2*i + 1];
q[i + 0 ] = convert_uchar(x0 & 0x0F) | convert_uchar((x1 & 0x0F) << 4);
q[i + QK4_0/4] = convert_uchar((x0 & 0xF0) >> 4) | convert_uchar(x1 & 0xF0);
#ifdef ADRENO_GPU
// Workaround for adreno - must have the following printf statement for
// the kernel to work properly. Otherwise it produces incorrect result.
// convert_uchar above also seems necessary.
// Compare against a large number so that it does not print anything.
// get_sub_group_local_id() also works.
if (get_global_id(0) == 65536*4096) {
printf("%04x - %02x\n", *(global ushort*)d, ((x0 & 0xF0) >> 4) | (x1 & 0xF0));
}
#endif
}
}
kernel void kernel_restore_block_q4_0_noshuffle(
global uchar * src_q,
global half * src_d,
global struct block_q4_0 * dst,
uchar mask_0F,
uchar mask_F0
) {
global struct block_q4_0 * b = (global struct block_q4_0 *) dst + get_global_id(0);
global uchar * q = (global uchar *) src_q + QK4_0/2*get_global_id(0);
global half * d = (global half *) src_d + get_global_id(0);
b->d = *d;
for (int i = 0; i < QK4_0/4; ++i) {
uchar x0 = q[i + 0 ] ;
uchar x1 = q[i + QK4_0/4];
b->qs[2*i + 0] = convert_uchar((x0 & mask_0F) | ((x1 & mask_0F) << 4));
b->qs[2*i + 1] = convert_uchar(((x0 & mask_F0) >> 4) | (x1 & mask_F0));
}
}
//------------------------------------------------------------------------------
// kernel_convert_block_q4_1
// Convert the block_q4_1 format to 2 separate arrays (AOS -> SOA).
// This kernel does not deshuffle the bits.
//------------------------------------------------------------------------------
kernel void kernel_convert_block_q4_1(
global struct block_q4_1 * src0,
global uchar * dst_q,
global half * dst_d,
global half * dst_m
) {
global struct block_q4_1 * b = (global struct block_q4_1 *) src0 + get_global_id(0);
global uchar * q = (global uchar *) dst_q + QK4_1/2*get_global_id(0);
global half * d = (global half *) dst_d + get_global_id(0);
global half * m = (global half *) dst_m + get_global_id(0);
*d = b->d;
*m = b->m;
for (int i = 0; i < QK4_1/2; ++i) {
q[i] = b->qs[i];
}
}
kernel void kernel_restore_block_q4_1(
global uchar * src_q,
global half * src_d,
global half * src_m,
global struct block_q4_1 * dst
) {
global struct block_q4_1 * b = (global struct block_q4_1 *) dst + get_global_id(0);
global uchar * q = (global uchar *) src_q + QK4_1/2*get_global_id(0);
global half * d = (global half *) src_d + get_global_id(0);
global half * m = (global half *) src_m + get_global_id(0);
b->d = *d;
b->m = *m;
for (int i = 0; i < QK4_1/2; ++i) {
b->qs[i] = q[i];
}
}
//------------------------------------------------------------------------------
// block_mxfp4
//------------------------------------------------------------------------------
#define QK_MXFP4 32
struct block_mxfp4 {
uchar e; // E8M0
uchar qs[QK_MXFP4 / 2];
};
//------------------------------------------------------------------------------
// kernel_convert_block_mxfp4
// Convert the block_mxfp4 format to 2 separate arrays (AOS -> SOA).
// This kernel does not deshuffle the bits.
//------------------------------------------------------------------------------
kernel void kernel_convert_block_mxfp4(
global struct block_mxfp4 * src0,
global uchar * dst_q,
global uchar * dst_e
) {
global struct block_mxfp4 * b = (global struct block_mxfp4 *) src0 + get_global_id(0);
global uchar * q = (global uchar *) dst_q + QK_MXFP4 / 2 * get_global_id(0);
global uchar * e = (global uchar *) dst_e + get_global_id(0);
*e = b->e;
for (int i = 0; i < QK_MXFP4 / 2; ++i) {
q[i] = b->qs[i];
}
}
kernel void kernel_convert_block_mxfp4_trans(
global struct block_mxfp4 * src0,
__global uint4 * dst_q,
__global uchar * dst_e,
uint ne00,
uint ne01
) {
int i00 = get_global_id(1);
uint i01 = get_global_id(0);
uint i02 = get_global_id(2);
uint ne00_blk = ne00 / QK_MXFP4;
uint src_blk_offset = i00 + i01 * ne00_blk + i02 * ne00_blk * ne01;
uint dst_blk_offset = i01 + i00 * ne01 + i02 * ne00_blk * ne01;
global struct block_mxfp4 * b = src0 + src_blk_offset;
dst_q[dst_blk_offset] = ((global uint4 *)(&(b->qs[0])))[0];
dst_e[dst_blk_offset] = b->e;
}
kernel void kernel_restore_block_mxfp4(
global uchar * src_q,
global half * src_e,
global struct block_mxfp4 * dst
) {
global struct block_mxfp4 * b = (global struct block_mxfp4 *) dst + get_global_id(0);
global uchar * q = (global uchar *) src_q + QK_MXFP4 / 2 * get_global_id(0);
global uchar * e = (global uchar *) src_e + get_global_id(0);
b->e = *e;
for (int i = 0; i < QK_MXFP4 / 2; ++i) {
b->qs[i] = q[i];
}
}
kernel void kernel_restore_block_mxfp4_trans(
__global uint4 * src_q,
__global uchar * src_e,
global struct block_mxfp4 * dst,
uint ne00,
uint ne01
) {
int i00 = get_global_id(1);
uint i01 = get_global_id(0);
uint i02 = get_global_id(2);
uint ne00_blk = ne00 / QK_MXFP4;
uint src_blk_offset = i01 + i00 * ne01 + i02 * ne00_blk * ne01;
uint dst_blk_offset = i00 + i01 * ne00_blk + i02 * ne00_blk * ne01;
global struct block_mxfp4 * b = dst + dst_blk_offset;
((global uint4 *)(&(b->qs[0])))[0] = src_q[src_blk_offset];
b->e = src_e[src_blk_offset];
}
//------------------------------------------------------------------------------
// block_q8_0
//------------------------------------------------------------------------------
typedef struct {
half d; // delta
char qs[QK8_0]; // quants
} block_q8_0;
kernel void kernel_convert_block_q8_0(
global block_q8_0 * src0,
global uchar * dst_q,
global half * dst_d
) {
global block_q8_0 * b = (global block_q8_0 *) src0 + get_global_id(0);
global uchar * q = (global uchar *) dst_q + QK8_0*get_global_id(0);
global half * d = (global half *) dst_d + get_global_id(0);
*d = b->d;
for (int i = 0; i < QK8_0; ++i) {
q[i] = b->qs[i];
}
}
kernel void kernel_restore_block_q8_0(
global uchar * src_q,
global half * src_d,
global block_q8_0 * dst
) {
global block_q8_0 * b = (global block_q8_0 *) dst + get_global_id(0);
global uchar * q = (global uchar *) src_q + QK8_0*get_global_id(0);
global half * d = (global half *) src_d + get_global_id(0);
b->d = *d;
for (int i = 0; i < QK8_0; ++i) {
b->qs[i] = q[i];
}
}
kernel void kernel_restore_block_q8_0_trans(
global uchar * src_q,
global half * src_d,
global block_q8_0 * dst,
uint ne00,
uint ne01
){
uint num_blk_per_row = ne00 / QK8_0;
global block_q8_0 * b = (global block_q8_0 *) dst + get_global_id(0) * num_blk_per_row;
global uchar * q = (global uchar *) src_q + get_global_id(0) * 4; // 4 8-bit packed
global half * d = (global half *) src_d + get_global_id(0);
for (uint blk = 0; blk < num_blk_per_row; blk++) {
b->d = *d;
for (uint i = 0; i < QK8_0; i+=4) {
b->qs[i] = q[0];
b->qs[i+1] = q[1];
b->qs[i+2] = q[2];
b->qs[i+3] = q[3];
q += 4 * ne01; // M stride
}
d += ne01;
b++;
}
}
//------------------------------------------------------------------------------
// kernel_convert_block_q6_K
// Convert the block_q6_K format to 3 separate arrays (AOS -> SOA).
// This kernel does not deshuffle the bits.
// Each thread processes a super block.
//------------------------------------------------------------------------------
kernel void kernel_convert_block_q6_K(
global struct block_q6_K * src0,
global uchar * dst_ql,
global uchar * dst_qh,
global char * dst_s,
global half * dst_d
) {
global struct block_q6_K * b = (global struct block_q6_K *) src0 + get_global_id(0);
global uchar * ql = (global uchar *) dst_ql + QK_K/2*get_global_id(0);
global uchar * qh = (global uchar *) dst_qh + QK_K/4*get_global_id(0);
global char * s = (global char *) dst_s + QK_K/16*get_global_id(0);
global half * d = (global half *) dst_d + get_global_id(0);
*d = b->d;
for (int i = 0; i < QK_K/2; ++i) {
ql[i] = b->ql[i];
}
for (int i = 0; i < QK_K/4; ++i) {
qh[i] = b->qh[i];
}
for (int i = 0; i < QK_K/16; ++i) {
s[i] = b->scales[i];
}
}
// Restore block_q6_K from flattened arrays.
// Each thread processes a super block.
kernel void kernel_restore_block_q6_K(
global uchar * dst_ql,
global uchar * dst_qh,
global char * dst_s,
global half * dst_d,
global struct block_q6_K * dst
) {
global struct block_q6_K * b = (global struct block_q6_K *) dst + get_global_id(0);
global uchar * ql = (global uchar *) dst_ql + QK_K/2*get_global_id(0);
global uchar * qh = (global uchar *) dst_qh + QK_K/4*get_global_id(0);
global char * s = (global char *) dst_s + QK_K/16*get_global_id(0);
global half * d = (global half *) dst_d + get_global_id(0);
b->d = *d;
for (int i = 0; i < QK_K/2; ++i) {
b->ql[i] = ql[i];
}
for (int i = 0; i < QK_K/4; ++i) {
b->qh[i] = qh[i];
}
for (int i = 0; i < QK_K/16; ++i) {
b->scales[i] = s[i];
}
}