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cuda : refactor into multiple files (#6269)

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slaren 2024-03-25 13:50:23 +01:00 • committed by GitHub
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commit ae1f211ce2
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59 changed files with 9154 additions and 8987 deletions
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103
ggml-cuda/dequantize.cuh Normal file
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#include "common.cuh"
static __device__ __forceinline__ void dequantize_q4_0(const void * vx, const int ib, const int iqs, dfloat2 & v){
const block_q4_0 * x = (const block_q4_0 *) vx;
const dfloat d = x[ib].d;
const int vui = x[ib].qs[iqs];
v.x = vui & 0xF;
v.y = vui >> 4;
#ifdef GGML_CUDA_F16
v = __hsub2(v, {8.0f, 8.0f});
v = __hmul2(v, {d, d});
#else
v.x = (v.x - 8.0f) * d;
v.y = (v.y - 8.0f) * d;
#endif // GGML_CUDA_F16
}
static __device__ __forceinline__ void dequantize_q4_1(const void * vx, const int ib, const int iqs, dfloat2 & v){
const block_q4_1 * x = (const block_q4_1 *) vx;
const dfloat d = __low2half(x[ib].dm);
const dfloat m = __high2half(x[ib].dm);
const int vui = x[ib].qs[iqs];
v.x = vui & 0xF;
v.y = vui >> 4;
#ifdef GGML_CUDA_F16
v = __hmul2(v, {d, d});
v = __hadd2(v, {m, m});
#else
v.x = (v.x * d) + m;
v.y = (v.y * d) + m;
#endif // GGML_CUDA_F16
}
static __device__ __forceinline__ void dequantize_q5_0(const void * vx, const int ib, const int iqs, dfloat2 & v){
const block_q5_0 * x = (const block_q5_0 *) vx;
const dfloat d = x[ib].d;
uint32_t qh;
memcpy(&qh, x[ib].qh, sizeof(qh));
const int xh_0 = ((qh >> (iqs + 0)) << 4) & 0x10;
const int xh_1 = ((qh >> (iqs + 12)) ) & 0x10;
v.x = ((x[ib].qs[iqs] & 0xf) | xh_0);
v.y = ((x[ib].qs[iqs] >> 4) | xh_1);
#ifdef GGML_CUDA_F16
v = __hsub2(v, {16.0f, 16.0f});
v = __hmul2(v, {d, d});
#else
v.x = (v.x - 16.0f) * d;
v.y = (v.y - 16.0f) * d;
#endif // GGML_CUDA_F16
}
static __device__ __forceinline__ void dequantize_q5_1(const void * vx, const int ib, const int iqs, dfloat2 & v){
const block_q5_1 * x = (const block_q5_1 *) vx;
const dfloat d = __low2half(x[ib].dm);
const dfloat m = __high2half(x[ib].dm);
uint32_t qh;
memcpy(&qh, x[ib].qh, sizeof(qh));
const int xh_0 = ((qh >> (iqs + 0)) << 4) & 0x10;
const int xh_1 = ((qh >> (iqs + 12)) ) & 0x10;
v.x = ((x[ib].qs[iqs] & 0xf) | xh_0);
v.y = ((x[ib].qs[iqs] >> 4) | xh_1);
#ifdef GGML_CUDA_F16
v = __hmul2(v, {d, d});
v = __hadd2(v, {m, m});
#else
v.x = (v.x * d) + m;
v.y = (v.y * d) + m;
#endif // GGML_CUDA_F16
}
static __device__ __forceinline__ void dequantize_q8_0(const void * vx, const int ib, const int iqs, dfloat2 & v){
const block_q8_0 * x = (const block_q8_0 *) vx;
const dfloat d = x[ib].d;
v.x = x[ib].qs[iqs + 0];
v.y = x[ib].qs[iqs + 1];
#ifdef GGML_CUDA_F16
v = __hmul2(v, {d, d});
#else
v.x *= d;
v.y *= d;
#endif // GGML_CUDA_F16
}