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f3f65429c4
* 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 --------- 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>
104 lines
2.6 KiB
Plaintext
104 lines
2.6 KiB
Plaintext
#include "common.cuh"
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static __device__ __forceinline__ void dequantize_q4_0(const void * vx, const int64_t ib, const int iqs, dfloat2 & v){
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const block_q4_0 * x = (const block_q4_0 *) vx;
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const dfloat d = x[ib].d;
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const int vui = x[ib].qs[iqs];
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v.x = vui & 0xF;
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v.y = vui >> 4;
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#ifdef GGML_CUDA_F16
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v = __hsub2(v, {8.0f, 8.0f});
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v = __hmul2(v, {d, d});
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#else
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v.x = (v.x - 8.0f) * d;
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v.y = (v.y - 8.0f) * d;
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#endif // GGML_CUDA_F16
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}
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static __device__ __forceinline__ void dequantize_q4_1(const void * vx, const int64_t ib, const int iqs, dfloat2 & v){
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const block_q4_1 * x = (const block_q4_1 *) vx;
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const dfloat d = __low2half(x[ib].dm);
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const dfloat m = __high2half(x[ib].dm);
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const int vui = x[ib].qs[iqs];
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v.x = vui & 0xF;
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v.y = vui >> 4;
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#ifdef GGML_CUDA_F16
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v = __hmul2(v, {d, d});
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v = __hadd2(v, {m, m});
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#else
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v.x = (v.x * d) + m;
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v.y = (v.y * d) + m;
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#endif // GGML_CUDA_F16
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}
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static __device__ __forceinline__ void dequantize_q5_0(const void * vx, const int64_t ib, const int iqs, dfloat2 & v){
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const block_q5_0 * x = (const block_q5_0 *) vx;
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const dfloat d = x[ib].d;
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uint32_t qh;
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memcpy(&qh, x[ib].qh, sizeof(qh));
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const int xh_0 = ((qh >> (iqs + 0)) << 4) & 0x10;
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const int xh_1 = ((qh >> (iqs + 12)) ) & 0x10;
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v.x = ((x[ib].qs[iqs] & 0xf) | xh_0);
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v.y = ((x[ib].qs[iqs] >> 4) | xh_1);
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#ifdef GGML_CUDA_F16
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v = __hsub2(v, {16.0f, 16.0f});
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v = __hmul2(v, {d, d});
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#else
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v.x = (v.x - 16.0f) * d;
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v.y = (v.y - 16.0f) * d;
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#endif // GGML_CUDA_F16
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}
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static __device__ __forceinline__ void dequantize_q5_1(const void * vx, const int64_t ib, const int iqs, dfloat2 & v){
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const block_q5_1 * x = (const block_q5_1 *) vx;
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const dfloat d = __low2half(x[ib].dm);
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const dfloat m = __high2half(x[ib].dm);
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uint32_t qh;
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memcpy(&qh, x[ib].qh, sizeof(qh));
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const int xh_0 = ((qh >> (iqs + 0)) << 4) & 0x10;
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const int xh_1 = ((qh >> (iqs + 12)) ) & 0x10;
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v.x = ((x[ib].qs[iqs] & 0xf) | xh_0);
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v.y = ((x[ib].qs[iqs] >> 4) | xh_1);
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#ifdef GGML_CUDA_F16
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v = __hmul2(v, {d, d});
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v = __hadd2(v, {m, m});
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#else
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v.x = (v.x * d) + m;
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v.y = (v.y * d) + m;
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#endif // GGML_CUDA_F16
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}
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static __device__ __forceinline__ void dequantize_q8_0(const void * vx, const int64_t ib, const int iqs, dfloat2 & v){
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const block_q8_0 * x = (const block_q8_0 *) vx;
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const dfloat d = x[ib].d;
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v.x = x[ib].qs[iqs + 0];
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v.y = x[ib].qs[iqs + 1];
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#ifdef GGML_CUDA_F16
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v = __hmul2(v, {d, d});
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#else
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v.x *= d;
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v.y *= d;
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#endif // GGML_CUDA_F16
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}
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