root/llama.cpp
1
0
Fork 0
mirror of https://github.com/ggerganov/llama.cpp.git synced 2025-01-12 19:50:17 +00:00
Code Issues Actions 5 Packages Projects Releases Wiki Activity

fix code

Browse Source
This commit is contained in:
Eddie-Wang 2024-06-10 02:50:14 +00:00
parent 65ac3a3627
commit abd798d70f
2 changed files with 57 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

63
ggml-quants.c
View File

@ -664,13 +664,13 @@ void quantize_row_i8_s(const float * x, void * y, int64_t n, float* act_scales)
double min = 0.00001;
double max = min;
for (int i = 0; i < n; ++i) {
max = MAX(max, (double)fabs(x[i]));
max = MAX(max, (double)fabs((double)x[i]));
}
float s = 127 / max;
act_scales[0] = s;
float temp;
for (int i = 0; i < n; ++i) {
temp = round(x[i] * s);
temp = round((double)(x[i] * s));
if (temp > 127) temp = 127;
if (temp < -128) temp = -128;
dst[i] = (int8_t)(temp);
@ -3335,14 +3335,14 @@ size_t quantize_i2_s(const float * restrict src, void * restrict dst, int64_t nr
// f32 -> q8
double i2_scale = 0;
for (int i=0; i<n; i++) {
if (fabs(src[i]) > 1e-6) {
i2_scale = src[i];
if (fabs((double)(src[i])) > 1e-6) {
i2_scale = (double)src[i];
}
}
uint8_t* q8 = (uint8_t*)dst;
for (int i=0; i<n; i++) {
if (fabs(src[i]) < 1e-6) {
if (fabs((double)(src[i])) < 1e-6) {
q8[i] = 0;
continue;
}
@ -3802,8 +3802,59 @@ void ggml_vec_dot_i2_i8_s(int n, float * restrict s, size_t bs, const void * res
UNUSED(by);
UNUSED(nrc);
// TODO
// #if defined(__AVX2__)
// // TODO
// __m256i accu = _mm256_setzero_si256();
// for (int i=0; i<n/32; i++) {
// const int8_t* w0 = (const int8_t *)(i2_q8 + x[i*8 + 0]);
// const int8_t* w1 = (const int8_t *)(i2_q8 + x[i*8 + 1]);
// const int8_t* w2 = (const int8_t *)(i2_q8 + x[i*8 + 2]);
// const int8_t* w3 = (const int8_t *)(i2_q8 + x[i*8 + 3]);
// const int8_t* w4 = (const int8_t *)(i2_q8 + x[i*8 + 4]);
// const int8_t* w5 = (const int8_t *)(i2_q8 + x[i*8 + 5]);
// const int8_t* w6 = (const int8_t *)(i2_q8 + x[i*8 + 6]);
// const int8_t* w7 = (const int8_t *)(i2_q8 + x[i*8 + 7]);
// __m256i xq8 = _mm256_set_epi8(
// w0[0], w0[1], w0[2], w0[3],
// w1[0], w1[1], w1[2], w1[3],
// w2[0], w2[1], w2[2], w2[3],
// w3[0], w3[1], w3[2], w3[3],
// w4[0], w4[1], w4[2], w4[3],
// w5[0], w5[1], w5[2], w5[3],
// w6[0], w6[1], w6[2], w6[3],
// w7[0], w7[1], w7[2], w7[3]
// );
// __m256i yq8 = _mm256_loadu_si256((const __m256i*)(y + i*32));
// __m128i hxq8 = _mm256_castsi256_si128(xq8);
// __m128i lxq8 = _mm256_extractf128_si256(xq8, 1);
// __m128i hyq8 = _mm256_castsi256_si128(yq8);
// __m128i lyq8 = _mm256_extractf128_si256(yq8, 1);
// __m256i hxq16 = _mm256_cvtepi8_epi16(hxq8);
// __m256i lxq16 = _mm256_cvtepi8_epi16(lxq8);
// __m256i hyq16 = _mm256_cvtepi8_epi16(hyq8);
// __m256i lyq16 = _mm256_cvtepi8_epi16(lyq8);
// __m256i hzq16 = _mm256_sign_epi16(hyq16, hxq16);
// __m256i lzq16 = _mm256_sign_epi16(lyq16, lxq16);
// __m256i hhzq32 = _mm256_cvtepi16_epi32(_mm256_castsi256_si128(hzq16));
// __m256i hlzq32 = _mm256_cvtepi16_epi32(_mm256_extractf128_si256(hzq16, 1));
// __m256i llzq32 = _mm256_cvtepi16_epi32(_mm256_castsi256_si128(lzq16));
// __m256i lhzq32 = _mm256_cvtepi16_epi32(_mm256_extractf128_si256(lzq16, 1));
// accu = _mm256_add_epi32(accu, hhzq32);
// accu = _mm256_add_epi32(accu, hlzq32);
// accu = _mm256_add_epi32(accu, llzq32);
// accu = _mm256_add_epi32(accu, lhzq32);
// }
// int sumi = hsum_i32_8(accu);
// *s = (float)sumi;
// #else
int sumi = 0;

1
ggml.c
View File

@ -3104,7 +3104,6 @@ GGML_CALL size_t ggml_type_size(enum ggml_type type) {
GGML_CALL size_t ggml_row_size(enum ggml_type type, int64_t ne) {
assert(ne % ggml_blck_size(type) == 0);
if (type == GGML_TYPE_I2_S) ne /= 4;
return ggml_type_size(type)*ne/ggml_blck_size(type);
}