Adding IQ2_S and IQ2_M to complete coverage of the 2-3 bit quantization range (#5721)
* Adding IQ2_S and IQ2_M as a single cumulative commit * Update examples/quantize/quantize.cpp Co-authored-by: Georgi Gerganov <ggerganov@gmail.com> --------- Co-authored-by: Iwan Kawrakow <iwan.kawrakow@gmail.com> Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>
This commit is contained in:
Kawrakow
GitHub
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12 changed files with 1754 additions and 38 deletions
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ggml-quants.c
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ggml-quants.c
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@ -3495,6 +3495,265 @@ static const uint64_t iq2xs_grid[512] = {
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0x2b2b2b2b082b2b08, 0x2b2b2b2b082b2b2b, 0x2b2b2b2b2b190819, 0x2b2b2b2b2b2b2b2b,
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};
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static const uint64_t iq2s_grid[1024] = {
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0x0808080808080808, 0x080808080808082b, 0x0808080808081919, 0x0808080808082b08,
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|
||||
0x1908192b19081908, 0x1908192b19190808, 0x1908192b2b080808, 0x1908192b2b2b1919,
|
||||
0x19082b0808080819, 0x19082b0808081908, 0x19082b0808082b19, 0x19082b0808190808,
|
||||
0x19082b080819082b, 0x19082b0808191919, 0x19082b0808192b08, 0x19082b08082b0819,
|
||||
0x19082b08082b1908, 0x19082b0819080808, 0x19082b081908082b, 0x19082b0819081919,
|
||||
0x19082b0819082b08, 0x19082b0819190819, 0x19082b0819191908, 0x19082b08192b0808,
|
||||
0x19082b082b081908, 0x19082b082b190808, 0x19082b1908080808, 0x19082b190808082b,
|
||||
0x19082b1908081919, 0x19082b1908082b08, 0x19082b1908190819, 0x19082b1908191908,
|
||||
0x19082b19082b0808, 0x19082b1919080819, 0x19082b1919081908, 0x19082b1919190808,
|
||||
0x19082b192b080808, 0x19082b192b19192b, 0x19082b2b08080819, 0x19082b2b08081908,
|
||||
0x19082b2b08190808, 0x19082b2b19080808, 0x1919080808080808, 0x191908080808082b,
|
||||
0x1919080808081919, 0x1919080808082b08, 0x1919080808190819, 0x1919080808191908,
|
||||
0x191908080819192b, 0x1919080808192b19, 0x19190808082b0808, 0x19190808082b082b,
|
||||
0x19190808082b1919, 0x19190808082b2b08, 0x1919080819080819, 0x1919080819081908,
|
||||
0x191908081908192b, 0x1919080819082b19, 0x1919080819190808, 0x191908081919082b,
|
||||
0x1919080819191919, 0x1919080819192b08, 0x19190808192b0819, 0x19190808192b1908,
|
||||
0x191908082b080808, 0x191908082b08082b, 0x191908082b081919, 0x191908082b082b08,
|
||||
0x191908082b190819, 0x191908082b191908, 0x1919081908080819, 0x1919081908081908,
|
||||
0x191908190808192b, 0x1919081908082b19, 0x1919081908190808, 0x191908190819082b,
|
||||
0x1919081908191919, 0x1919081908192b08, 0x19190819082b0819, 0x19190819082b1908,
|
||||
0x1919081919080808, 0x191908191908082b, 0x1919081919081919, 0x1919081919082b08,
|
||||
0x1919081919190819, 0x1919081919191908, 0x19190819192b0808, 0x191908192b080819,
|
||||
0x191908192b081908, 0x191908192b190808, 0x1919082b08080808, 0x1919082b08081919,
|
||||
0x1919082b08082b08, 0x1919082b08190819, 0x1919082b08191908, 0x1919082b082b0808,
|
||||
0x1919082b19080819, 0x1919082b19081908, 0x1919082b19190808, 0x1919082b192b2b19,
|
||||
0x1919082b2b080808, 0x1919190808080819, 0x1919190808081908, 0x191919080808192b,
|
||||
0x1919190808082b19, 0x1919190808190808, 0x191919080819082b, 0x1919190808191919,
|
||||
0x1919190808192b08, 0x19191908082b0819, 0x19191908082b1908, 0x1919190819080808,
|
||||
0x191919081908082b, 0x1919190819081919, 0x1919190819082b08, 0x1919190819190819,
|
||||
0x1919190819191908, 0x19191908192b0808, 0x191919082b080819, 0x191919082b081908,
|
||||
0x191919082b190808, 0x1919191908080808, 0x191919190808082b, 0x1919191908081919,
|
||||
0x1919191908082b08, 0x1919191908190819, 0x1919191908191908, 0x19191919082b0808,
|
||||
0x1919191919080819, 0x1919191919081908, 0x1919191919190808, 0x191919192b080808,
|
||||
0x1919192b08080819, 0x1919192b08081908, 0x1919192b08190808, 0x1919192b082b192b,
|
||||
0x1919192b19080808, 0x19192b0808080808, 0x19192b080808082b, 0x19192b0808081919,
|
||||
0x19192b0808082b08, 0x19192b0808190819, 0x19192b0808191908, 0x19192b08082b0808,
|
||||
0x19192b0819080819, 0x19192b0819081908, 0x19192b0819190808, 0x19192b0819192b2b,
|
||||
0x19192b082b080808, 0x19192b1908080819, 0x19192b1908081908, 0x19192b1908190808,
|
||||
0x19192b1919080808, 0x19192b2b08080808, 0x19192b2b08192b19, 0x19192b2b2b081919,
|
||||
0x19192b2b2b2b2b08, 0x192b080808080819, 0x192b080808081908, 0x192b08080808192b,
|
||||
0x192b080808190808, 0x192b08080819082b, 0x192b080808191919, 0x192b080808192b08,
|
||||
0x192b0808082b0819, 0x192b0808082b1908, 0x192b080819080808, 0x192b080819081919,
|
||||
0x192b080819082b08, 0x192b080819190819, 0x192b080819191908, 0x192b0808192b0808,
|
||||
0x192b08082b081908, 0x192b08082b190808, 0x192b081908080808, 0x192b08190808082b,
|
||||
0x192b081908081919, 0x192b081908082b08, 0x192b081908190819, 0x192b081908191908,
|
||||
0x192b0819082b0808, 0x192b081919080819, 0x192b081919081908, 0x192b081919190808,
|
||||
0x192b08192b080808, 0x192b08192b192b19, 0x192b082b08081908, 0x192b082b08190808,
|
||||
0x192b082b19080808, 0x192b082b1919192b, 0x192b082b2b2b0819, 0x192b190808080808,
|
||||
0x192b190808081919, 0x192b190808082b08, 0x192b190808190819, 0x192b190808191908,
|
||||
0x192b1908082b0808, 0x192b190819080819, 0x192b190819081908, 0x192b190819190808,
|
||||
0x192b19082b080808, 0x192b191908080819, 0x192b191908081908, 0x192b191908190808,
|
||||
0x192b191919080808, 0x192b191919082b2b, 0x192b1919192b2b08, 0x192b19192b19082b,
|
||||
0x192b192b08080808, 0x192b192b2b191908, 0x192b2b0808080819, 0x192b2b0808081908,
|
||||
0x192b2b0808190808, 0x192b2b08192b1919, 0x192b2b082b192b08, 0x192b2b1908080808,
|
||||
0x192b2b19082b2b2b, 0x192b2b2b1908082b, 0x192b2b2b2b2b0819, 0x2b08080808080808,
|
||||
0x2b0808080808082b, 0x2b08080808081919, 0x2b08080808082b08, 0x2b08080808190819,
|
||||
0x2b08080808191908, 0x2b08080808192b19, 0x2b080808082b0808, 0x2b080808082b1919,
|
||||
0x2b08080819080819, 0x2b08080819081908, 0x2b08080819190808, 0x2b0808081919082b,
|
||||
0x2b08080819191919, 0x2b08080819192b08, 0x2b080808192b0819, 0x2b0808082b080808,
|
||||
0x2b0808082b081919, 0x2b0808082b190819, 0x2b0808082b191908, 0x2b08081908080819,
|
||||
0x2b08081908081908, 0x2b08081908082b19, 0x2b08081908190808, 0x2b0808190819082b,
|
||||
0x2b08081908191919, 0x2b08081908192b08, 0x2b080819082b0819, 0x2b080819082b1908,
|
||||
0x2b08081919080808, 0x2b0808191908082b, 0x2b08081919081919, 0x2b08081919082b08,
|
||||
0x2b08081919190819, 0x2b08081919191908, 0x2b0808192b080819, 0x2b0808192b081908,
|
||||
0x2b0808192b190808, 0x2b0808192b2b2b19, 0x2b08082b08080808, 0x2b08082b08081919,
|
||||
0x2b08082b08082b2b, 0x2b08082b08190819, 0x2b08082b08191908, 0x2b08082b19080819,
|
||||
0x2b08082b19081908, 0x2b08082b19190808, 0x2b08190808080819, 0x2b08190808081908,
|
||||
0x2b0819080808192b, 0x2b08190808082b19, 0x2b08190808190808, 0x2b0819080819082b,
|
||||
0x2b08190808191919, 0x2b08190808192b08, 0x2b081908082b0819, 0x2b08190819080808,
|
||||
0x2b0819081908082b, 0x2b08190819081919, 0x2b08190819082b08, 0x2b08190819190819,
|
||||
0x2b08190819191908, 0x2b081908192b0808, 0x2b0819082b080819, 0x2b0819082b081908,
|
||||
0x2b0819082b190808, 0x2b08191908080808, 0x2b0819190808082b, 0x2b08191908081919,
|
||||
0x2b08191908082b08, 0x2b08191908190819, 0x2b08191908191908, 0x2b081919082b0808,
|
||||
0x2b08191919080819, 0x2b08191919081908, 0x2b08191919190808, 0x2b0819192b080808,
|
||||
0x2b0819192b082b2b, 0x2b08192b08080819, 0x2b08192b08081908, 0x2b08192b08190808,
|
||||
0x2b08192b082b2b19, 0x2b08192b19080808, 0x2b082b0808080808, 0x2b082b0808081919,
|
||||
0x2b082b0808190819, 0x2b082b0808191908, 0x2b082b0819080819, 0x2b082b0819081908,
|
||||
0x2b082b0819190808, 0x2b082b082b2b082b, 0x2b082b1908080819, 0x2b082b1908081908,
|
||||
0x2b082b1919080808, 0x2b082b19192b1919, 0x2b082b2b082b082b, 0x2b082b2b19192b08,
|
||||
0x2b082b2b19192b2b, 0x2b082b2b2b08082b, 0x2b082b2b2b2b082b, 0x2b19080808080819,
|
||||
0x2b19080808081908, 0x2b19080808082b19, 0x2b19080808190808, 0x2b1908080819082b,
|
||||
0x2b19080808191919, 0x2b19080808192b08, 0x2b190808082b1908, 0x2b19080819080808,
|
||||
0x2b1908081908082b, 0x2b19080819081919, 0x2b19080819082b08, 0x2b19080819190819,
|
||||
0x2b19080819191908, 0x2b190808192b0808, 0x2b1908082b080819, 0x2b1908082b081908,
|
||||
0x2b1908082b190808, 0x2b19081908080808, 0x2b19081908081919, 0x2b19081908190819,
|
||||
0x2b19081908191908, 0x2b19081919080819, 0x2b19081919081908, 0x2b19081919190808,
|
||||
0x2b19081919192b2b, 0x2b19082b08080819, 0x2b19082b08081908, 0x2b19082b08190808,
|
||||
0x2b19082b19080808, 0x2b19082b2b2b192b, 0x2b19190808080808, 0x2b1919080808082b,
|
||||
0x2b19190808081919, 0x2b19190808082b08, 0x2b19190808190819, 0x2b19190808191908,
|
||||
0x2b191908082b0808, 0x2b19190819080819, 0x2b19190819081908, 0x2b19190819190808,
|
||||
0x2b1919082b080808, 0x2b1919082b19192b, 0x2b19191908080819, 0x2b19191908081908,
|
||||
0x2b19191908190808, 0x2b19191919080808, 0x2b1919192b192b08, 0x2b1919192b2b0819,
|
||||
0x2b19192b08080808, 0x2b19192b1908192b, 0x2b19192b192b1908, 0x2b192b0808080819,
|
||||
0x2b192b0808081908, 0x2b192b0808190808, 0x2b192b08082b192b, 0x2b192b0819080808,
|
||||
0x2b192b082b2b2b19, 0x2b192b1908080808, 0x2b192b1919082b19, 0x2b192b191919082b,
|
||||
0x2b192b2b2b190808, 0x2b2b080808080808, 0x2b2b080808081919, 0x2b2b080808082b2b,
|
||||
0x2b2b080808191908, 0x2b2b0808082b082b, 0x2b2b0808082b2b2b, 0x2b2b080819080819,
|
||||
0x2b2b080819081908, 0x2b2b080819190808, 0x2b2b08082b2b082b, 0x2b2b08082b2b2b2b,
|
||||
0x2b2b081919080808, 0x2b2b0819192b1919, 0x2b2b082b0808082b, 0x2b2b082b08082b2b,
|
||||
0x2b2b082b082b082b, 0x2b2b082b082b2b08, 0x2b2b082b082b2b2b, 0x2b2b082b2b08082b,
|
||||
0x2b2b082b2b082b08, 0x2b2b082b2b082b2b, 0x2b2b082b2b2b2b08, 0x2b2b190808080819,
|
||||
0x2b2b190808081908, 0x2b2b190808190808, 0x2b2b190819080808, 0x2b2b19082b082b19,
|
||||
0x2b2b19082b2b1908, 0x2b2b191908080808, 0x2b2b191908192b19, 0x2b2b192b19190819,
|
||||
0x2b2b2b0808082b2b, 0x2b2b2b08082b2b08, 0x2b2b2b082b2b082b, 0x2b2b2b1919191908,
|
||||
0x2b2b2b192b08192b, 0x2b2b2b2b08082b08, 0x2b2b2b2b08082b2b, 0x2b2b2b2b082b0808,
|
||||
0x2b2b2b2b082b082b, 0x2b2b2b2b082b2b08, 0x2b2b2b2b2b082b08, 0x2b2b2b2b2b2b2b2b,
|
||||
};
|
||||
|
||||
static const uint32_t iq3xxs_grid[256] = {
|
||||
0x04040404, 0x04040414, 0x04040424, 0x04040c0c, 0x04040c1c, 0x04040c3e, 0x04041404, 0x04041414,
|
||||
0x04041c0c, 0x04042414, 0x04043e1c, 0x04043e2c, 0x040c040c, 0x040c041c, 0x040c0c04, 0x040c0c14,
|
||||
|
|
@ -3796,6 +4055,38 @@ void dequantize_row_iq2_xs(const block_iq2_xs * restrict x, float * restrict y,
|
|||
}
|
||||
}
|
||||
|
||||
// ====================== 2.5625 bpw (de)-quantization
|
||||
|
||||
void dequantize_row_iq2_s(const block_iq2_s * restrict x, float * restrict y, int k) {
|
||||
assert(k % QK_K == 0);
|
||||
const int nb = k / QK_K;
|
||||
|
||||
float db[2];
|
||||
|
||||
for (int i = 0; i < nb; i++) {
|
||||
|
||||
const float d = GGML_FP16_TO_FP32(x[i].d);
|
||||
const uint8_t * qs = x[i].qs;
|
||||
const uint8_t * qh = x[i].qh;
|
||||
const uint8_t * signs = qs + QK_K/8;
|
||||
|
||||
for (int ib32 = 0; ib32 < QK_K/32; ++ib32) {
|
||||
db[0] = d * (0.5f + (x[i].scales[ib32] & 0xf)) * 0.25f;
|
||||
db[1] = d * (0.5f + (x[i].scales[ib32] >> 4)) * 0.25f;
|
||||
for (int l = 0; l < 4; ++l) {
|
||||
const float dl = db[l/2];
|
||||
const uint8_t * grid = (const uint8_t *)(iq2s_grid + (qs[l] | (qh[ib32] << (8-2*l) & 0x300)));
|
||||
for (int j = 0; j < 8; ++j) {
|
||||
y[j] = dl * grid[j] * (signs[l] & kmask_iq2xs[j] ? -1.f : 1.f);
|
||||
}
|
||||
y += 8;
|
||||
}
|
||||
qs += 4;
|
||||
signs += 4;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// ====================== 3.0625 bpw (de)-quantization
|
||||
|
||||
void dequantize_row_iq3_xxs(const block_iq3_xxs * restrict x, float * restrict y, int k) {
|
||||
|
|
@ -9330,6 +9621,210 @@ void ggml_vec_dot_iq2_xs_q8_K(int n, float * restrict s, size_t bs, const void *
|
|||
#endif
|
||||
}
|
||||
|
||||
void ggml_vec_dot_iq2_s_q8_K(int n, float * restrict s, size_t bs, const void * restrict vx, size_t bx, const void * restrict vy, size_t by, int nrc) {
|
||||
assert(n % QK_K == 0);
|
||||
assert(nrc == 1);
|
||||
UNUSED(nrc);
|
||||
UNUSED(bx);
|
||||
UNUSED(by);
|
||||
UNUSED(bs);
|
||||
|
||||
const block_iq2_s * restrict x = vx;
|
||||
const block_q8_K * restrict y = vy;
|
||||
|
||||
const int nb = n / QK_K;
|
||||
|
||||
#if defined(__ARM_NEON)
|
||||
|
||||
static const uint8_t k_mask1[32] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
|
||||
0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03
|
||||
};
|
||||
|
||||
static const uint8_t k_mask2[16] = {0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80,};
|
||||
|
||||
const uint8x16x2_t mask1 = vld1q_u8_x2(k_mask1);
|
||||
const uint8x16_t mask2 = vld1q_u8(k_mask2);
|
||||
const uint8x16_t m1 = vdupq_n_u8(1);
|
||||
const int32x4_t vzero = vdupq_n_s32(0);
|
||||
|
||||
uint8x16x2_t vs;
|
||||
ggml_int8x16x4_t q2s;
|
||||
ggml_int8x16x4_t q8b;
|
||||
|
||||
float sumf = 0;
|
||||
for (int i = 0; i < nb; ++i) {
|
||||
|
||||
const float d = GGML_FP16_TO_FP32(x[i].d) * y[i].d;
|
||||
|
||||
const uint8_t * restrict qs = x[i].qs;
|
||||
const uint8_t * restrict qh = x[i].qh;
|
||||
const uint16_t * restrict signs = (const uint16_t *)(x[i].qs + QK_K/8);
|
||||
const int8_t * restrict q8 = y[i].qs;
|
||||
|
||||
int sumi1 = 0, sumi2 = 0;
|
||||
for (int ib32 = 0; ib32 < QK_K/32; ib32 += 2) {
|
||||
q8b = ggml_vld1q_s8_x4(q8); q8 += 64;
|
||||
q2s.val[0] = vcombine_s8(vld1_s8((const int8_t *)(iq2s_grid + (qs[0] | ((qh[ib32+0] << 8) & 0x300)))),
|
||||
vld1_s8((const int8_t *)(iq2s_grid + (qs[1] | ((qh[ib32+0] << 6) & 0x300)))));
|
||||
q2s.val[1] = vcombine_s8(vld1_s8((const int8_t *)(iq2s_grid + (qs[2] | ((qh[ib32+0] << 4) & 0x300)))),
|
||||
vld1_s8((const int8_t *)(iq2s_grid + (qs[3] | ((qh[ib32+0] << 2) & 0x300)))));
|
||||
q2s.val[2] = vcombine_s8(vld1_s8((const int8_t *)(iq2s_grid + (qs[4] | ((qh[ib32+1] << 8) & 0x300)))),
|
||||
vld1_s8((const int8_t *)(iq2s_grid + (qs[5] | ((qh[ib32+1] << 6) & 0x300)))));
|
||||
q2s.val[3] = vcombine_s8(vld1_s8((const int8_t *)(iq2s_grid + (qs[6] | ((qh[ib32+1] << 4) & 0x300)))),
|
||||
vld1_s8((const int8_t *)(iq2s_grid + (qs[7] | ((qh[ib32+1] << 2) & 0x300)))));
|
||||
qs += 8;
|
||||
|
||||
vs.val[0] = vreinterpretq_u8_u32(vdupq_n_u32(signs[0] | (signs[1] << 16)));
|
||||
vs.val[1] = vandq_u8(vqtbl1q_u8(vs.val[0], mask1.val[1]), mask2);
|
||||
vs.val[0] = vandq_u8(vqtbl1q_u8(vs.val[0], mask1.val[0]), mask2);
|
||||
vs.val[0] = vceqq_u8(vs.val[0], mask2);
|
||||
vs.val[1] = vceqq_u8(vs.val[1], mask2);
|
||||
|
||||
q2s.val[0] = vmulq_s8(vreinterpretq_s8_u8(vorrq_u8(vs.val[0], m1)), q2s.val[0]);
|
||||
q2s.val[1] = vmulq_s8(vreinterpretq_s8_u8(vorrq_u8(vs.val[1], m1)), q2s.val[1]);
|
||||
|
||||
vs.val[0] = vreinterpretq_u8_u32(vdupq_n_u32(signs[2] | (signs[3] << 16)));
|
||||
vs.val[1] = vandq_u8(vqtbl1q_u8(vs.val[0], mask1.val[1]), mask2);
|
||||
vs.val[0] = vandq_u8(vqtbl1q_u8(vs.val[0], mask1.val[0]), mask2);
|
||||
vs.val[0] = vceqq_u8(vs.val[0], mask2);
|
||||
vs.val[1] = vceqq_u8(vs.val[1], mask2);
|
||||
|
||||
signs += 4;
|
||||
|
||||
q2s.val[2] = vmulq_s8(vreinterpretq_s8_u8(vorrq_u8(vs.val[0], m1)), q2s.val[2]);
|
||||
q2s.val[3] = vmulq_s8(vreinterpretq_s8_u8(vorrq_u8(vs.val[1], m1)), q2s.val[3]);
|
||||
|
||||
const int32x4_t p1 = ggml_vdotq_s32(vzero, q2s.val[0], q8b.val[0]);
|
||||
const int32x4_t p2 = ggml_vdotq_s32(vzero, q2s.val[1], q8b.val[1]);
|
||||
const int32x4_t p3 = ggml_vdotq_s32(vzero, q2s.val[2], q8b.val[2]);
|
||||
const int32x4_t p4 = ggml_vdotq_s32(vzero, q2s.val[3], q8b.val[3]);
|
||||
|
||||
sumi1 += vaddvq_s32(p1) * (1 + 2*(x[i].scales[ib32+0] & 0xf));
|
||||
sumi2 += vaddvq_s32(p2) * (1 + 2*(x[i].scales[ib32+0] >> 4));
|
||||
sumi1 += vaddvq_s32(p3) * (1 + 2*(x[i].scales[ib32+1] & 0xf));
|
||||
sumi2 += vaddvq_s32(p4) * (1 + 2*(x[i].scales[ib32+1] >> 4));
|
||||
}
|
||||
sumf += d*(sumi1 + sumi2);
|
||||
}
|
||||
|
||||
*s = 0.125f * sumf;
|
||||
|
||||
#elif defined(__AVX2__)
|
||||
|
||||
static const uint8_t k_mask1[32] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
|
||||
0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03
|
||||
};
|
||||
|
||||
static const uint8_t k_mask2[32] = {0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80,
|
||||
0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80,
|
||||
};
|
||||
|
||||
const __m128i m4 = _mm_set1_epi8(0xf);
|
||||
const __m128i m1 = _mm_set1_epi8(1);
|
||||
|
||||
const __m256i mask1 = _mm256_loadu_si256((const __m256i*)k_mask1);
|
||||
const __m256i mask2 = _mm256_loadu_si256((const __m256i*)k_mask2);
|
||||
|
||||
uint64_t aux64;
|
||||
|
||||
__m256 accumf = _mm256_setzero_ps();
|
||||
for (int i = 0; i < nb; ++i) {
|
||||
const float d = GGML_FP16_TO_FP32(x[i].d) * y[i].d;
|
||||
const uint8_t * restrict qs = x[i].qs;
|
||||
const uint8_t * restrict qh = x[i].qh;
|
||||
const uint16_t * restrict signs = (const uint16_t *)(x[i].qs + QK_K/8);
|
||||
const int8_t * restrict q8 = y[i].qs;
|
||||
|
||||
memcpy(&aux64, x[i].scales, 8);
|
||||
const __m128i scales8 = _mm_add_epi8(_mm_slli_epi16(_mm_and_si128(_mm_set_epi64x(aux64 >> 4, aux64), m4), 1), m1);
|
||||
const __m256i scales16 = _mm256_cvtepi8_epi16(scales8); // 0 2 4 6 8 10 12 14 1 3 5 7 9 11 13 15
|
||||
|
||||
__m256i sumi1 = _mm256_setzero_si256();
|
||||
__m256i sumi2 = _mm256_setzero_si256();
|
||||
for (int ib32 = 0; ib32 < QK_K/32; ib32 += 2) {
|
||||
const __m256i q8_1 = _mm256_loadu_si256((const __m256i *)q8); q8 += 32;
|
||||
const __m256i q8_2 = _mm256_loadu_si256((const __m256i *)q8); q8 += 32;
|
||||
const __m256i q2_1 = _mm256_set_epi64x(iq2s_grid[qs[3] | ((qh[ib32+0] << 2) & 0x300)],
|
||||
iq2s_grid[qs[2] | ((qh[ib32+0] << 4) & 0x300)],
|
||||
iq2s_grid[qs[1] | ((qh[ib32+0] << 6) & 0x300)],
|
||||
iq2s_grid[qs[0] | ((qh[ib32+0] << 8) & 0x300)]);
|
||||
const __m256i q2_2 = _mm256_set_epi64x(iq2s_grid[qs[7] | ((qh[ib32+1] << 2) & 0x300)],
|
||||
iq2s_grid[qs[6] | ((qh[ib32+1] << 4) & 0x300)],
|
||||
iq2s_grid[qs[5] | ((qh[ib32+1] << 6) & 0x300)],
|
||||
iq2s_grid[qs[4] | ((qh[ib32+1] << 8) & 0x300)]);
|
||||
qs += 8;
|
||||
|
||||
__m256i aux256 = _mm256_set1_epi32(signs[0] | (signs[1] << 16));
|
||||
aux256 = _mm256_and_si256(_mm256_shuffle_epi8(aux256,mask1), mask2);
|
||||
const __m256i s2_1 = _mm256_cmpeq_epi8(aux256, mask2);
|
||||
const __m256i q8s_1 = _mm256_sub_epi8(_mm256_xor_si256(s2_1, q8_1), s2_1);
|
||||
|
||||
aux256 = _mm256_set1_epi32(signs[2] | (signs[3] << 16));
|
||||
aux256 = _mm256_and_si256(_mm256_shuffle_epi8(aux256,mask1), mask2);
|
||||
const __m256i s2_2 = _mm256_cmpeq_epi8(aux256, mask2);
|
||||
const __m256i q8s_2 = _mm256_sub_epi8(_mm256_xor_si256(s2_2, q8_2), s2_2);
|
||||
|
||||
signs += 4;
|
||||
|
||||
const __m256i dot1 = _mm256_maddubs_epi16(q2_1, q8s_1); // blocks 2*ib32+0, 2*ib32+1
|
||||
const __m256i dot2 = _mm256_maddubs_epi16(q2_2, q8s_2); // blocks 2*ib32+2, 2*ib32+3
|
||||
|
||||
const __m256i p1 = _mm256_madd_epi16(dot1, _mm256_shuffle_epi8(scales16, get_scale_shuffle_k4(ib32+0)));
|
||||
const __m256i p2 = _mm256_madd_epi16(dot2, _mm256_shuffle_epi8(scales16, get_scale_shuffle_k4(ib32+1)));
|
||||
sumi1 = _mm256_add_epi32(sumi1, p1);
|
||||
sumi2 = _mm256_add_epi32(sumi2, p2);
|
||||
}
|
||||
|
||||
accumf = _mm256_fmadd_ps(_mm256_set1_ps(d), _mm256_cvtepi32_ps(_mm256_add_epi32(sumi1, sumi2)), accumf);
|
||||
|
||||
}
|
||||
|
||||
*s = 0.125f * hsum_float_8(accumf);
|
||||
|
||||
#else
|
||||
|
||||
float sumf = 0;
|
||||
for (int i = 0; i < nb; i++) {
|
||||
|
||||
const float d = GGML_FP16_TO_FP32(x[i].d) * y[i].d;
|
||||
const int8_t * q8 = y[i].qs;
|
||||
const uint8_t * qs = x[i].qs;
|
||||
const uint8_t * qh = x[i].qh;
|
||||
const uint8_t * signs = qs + QK_K/8;
|
||||
|
||||
int bsum = 0;
|
||||
for (int ib32 = 0; ib32 < QK_K/32; ++ib32) {
|
||||
int ls1 = 1 + 2*(x[i].scales[ib32] & 0xf);
|
||||
int ls2 = 1 + 2*(x[i].scales[ib32] >> 4);
|
||||
int sumi1 = 0, sumi2 = 0;
|
||||
for (int l = 0; l < 2; ++l) {
|
||||
const uint8_t * grid = (const uint8_t *)(iq2s_grid + (qs[l] | (qh[ib32] << (8-2*l) & 0x300)));
|
||||
for (int j = 0; j < 8; ++j) {
|
||||
sumi1 += q8[j] * grid[j] * (signs[l] & kmask_iq2xs[j] ? -1 : 1);
|
||||
}
|
||||
q8 += 8;
|
||||
}
|
||||
for (int l = 2; l < 4; ++l) {
|
||||
const uint8_t * grid = (const uint8_t *)(iq2s_grid + (qs[l] | (qh[ib32] << (8-2*l) & 0x300)));
|
||||
for (int j = 0; j < 8; ++j) {
|
||||
sumi2 += q8[j] * grid[j] * (signs[l] & kmask_iq2xs[j] ? -1 : 1);
|
||||
}
|
||||
q8 += 8;
|
||||
}
|
||||
bsum += ls1 * sumi1 + ls2 * sumi2;
|
||||
qs += 4;
|
||||
signs += 4;
|
||||
}
|
||||
|
||||
sumf += d * bsum;
|
||||
}
|
||||
|
||||
*s = 0.125f * sumf;
|
||||
|
||||
#endif
|
||||
|
||||
}
|
||||
|
||||
void ggml_vec_dot_iq3_xxs_q8_K(int n, float * restrict s, size_t bs, const void * restrict vx, size_t bx, const void * restrict vy, size_t by, int nrc) {
|
||||
assert(n % QK_K == 0);
|
||||
assert(nrc == 1);
|
||||
|
|
@ -9934,22 +10429,25 @@ typedef struct {
|
|||
uint16_t * neighbours;
|
||||
} iq2_entry_t;
|
||||
|
||||
static iq2_entry_t iq2_data[3] = {
|
||||
static iq2_entry_t iq2_data[4] = {
|
||||
{NULL, NULL, NULL},
|
||||
{NULL, NULL, NULL},
|
||||
{NULL, NULL, NULL},
|
||||
{NULL, NULL, NULL},
|
||||
};
|
||||
|
||||
static inline int iq2_data_index(enum ggml_type type) {
|
||||
GGML_ASSERT(type == GGML_TYPE_IQ2_XXS || type == GGML_TYPE_IQ2_XS || type == GGML_TYPE_IQ1_S);
|
||||
GGML_ASSERT(type == GGML_TYPE_IQ2_XXS || type == GGML_TYPE_IQ2_XS || type == GGML_TYPE_IQ1_S || type == GGML_TYPE_IQ2_S);
|
||||
return type == GGML_TYPE_IQ2_XXS ? 0 :
|
||||
type == GGML_TYPE_IQ2_XS ? 1 : 2;
|
||||
type == GGML_TYPE_IQ2_XS ? 1 :
|
||||
type == GGML_TYPE_IQ1_S ? 2 : 3;
|
||||
}
|
||||
|
||||
static inline int iq2_grid_size(enum ggml_type type) {
|
||||
GGML_ASSERT(type == GGML_TYPE_IQ2_XXS || type == GGML_TYPE_IQ2_XS || type == GGML_TYPE_IQ1_S);
|
||||
GGML_ASSERT(type == GGML_TYPE_IQ2_XXS || type == GGML_TYPE_IQ2_XS || type == GGML_TYPE_IQ1_S || type == GGML_TYPE_IQ2_S);
|
||||
return type == GGML_TYPE_IQ2_XXS ? 256 :
|
||||
type == GGML_TYPE_IQ2_XS ? 512 : 512;
|
||||
type == GGML_TYPE_IQ2_XS ? 512 :
|
||||
type == GGML_TYPE_IQ1_S ? 512 : 1024;
|
||||
}
|
||||
|
||||
static int iq2_compare_func(const void * left, const void * right) {
|
||||
|
|
@ -10050,11 +10548,79 @@ void iq2xs_init_impl(enum ggml_type type) {
|
|||
41557, 41633, 41989, 42021, 42056, 42068, 42074, 42113, 42242, 42265, 42274, 42325, 42340, 42402, 42501, 42512,
|
||||
42533, 42624, 42632, 42666, 43040, 43093, 43106, 43168, 43176, 43264, 43286, 43345, 43429, 43590, 43618, 43680,
|
||||
};
|
||||
static const uint16_t kgrid_2bit_1024[1024] = {
|
||||
0, 2, 5, 8, 10, 17, 20, 22, 25, 32, 34, 37, 40, 65, 68, 70,
|
||||
73, 80, 82, 85, 88, 97, 100, 102, 105, 128, 130, 133, 136, 145, 148, 160,
|
||||
165, 170, 257, 260, 262, 265, 272, 274, 277, 280, 289, 292, 320, 322, 325, 328,
|
||||
337, 340, 342, 345, 352, 357, 360, 385, 388, 400, 402, 405, 417, 420, 512, 514,
|
||||
517, 520, 529, 532, 544, 554, 577, 580, 582, 585, 592, 597, 640, 645, 650, 660,
|
||||
674, 1025, 1028, 1030, 1033, 1040, 1042, 1045, 1048, 1057, 1060, 1062, 1065, 1088, 1090, 1093,
|
||||
1096, 1098, 1105, 1108, 1110, 1113, 1120, 1122, 1125, 1153, 1156, 1158, 1161, 1168, 1173, 1176,
|
||||
1185, 1188, 1280, 1282, 1285, 1288, 1290, 1297, 1300, 1302, 1305, 1312, 1317, 1320, 1345, 1348,
|
||||
1350, 1353, 1360, 1362, 1365, 1368, 1377, 1380, 1408, 1410, 1413, 1416, 1425, 1428, 1440, 1537,
|
||||
1540, 1542, 1545, 1552, 1557, 1600, 1605, 1608, 1617, 1620, 1632, 1665, 1668, 1680, 2048, 2050,
|
||||
2053, 2056, 2065, 2068, 2070, 2073, 2080, 2085, 2090, 2113, 2116, 2118, 2121, 2128, 2130, 2133,
|
||||
2136, 2145, 2148, 2176, 2181, 2196, 2218, 2305, 2308, 2320, 2322, 2325, 2328, 2337, 2368, 2373,
|
||||
2376, 2385, 2388, 2400, 2433, 2448, 2560, 2577, 2580, 2594, 2600, 2602, 2640, 2713, 4097, 4100,
|
||||
4102, 4105, 4112, 4114, 4117, 4120, 4129, 4132, 4134, 4160, 4162, 4165, 4168, 4177, 4180, 4182,
|
||||
4185, 4192, 4194, 4197, 4200, 4225, 4228, 4230, 4240, 4245, 4248, 4257, 4260, 4352, 4354, 4357,
|
||||
4360, 4362, 4369, 4372, 4374, 4377, 4384, 4386, 4389, 4392, 4417, 4420, 4422, 4425, 4432, 4434,
|
||||
4437, 4440, 4449, 4452, 4480, 4482, 4485, 4488, 4497, 4500, 4609, 4612, 4617, 4624, 4629, 4641,
|
||||
4644, 4672, 4677, 4689, 4692, 4737, 4740, 4752, 5120, 5122, 5125, 5128, 5137, 5140, 5142, 5145,
|
||||
5152, 5157, 5160, 5185, 5188, 5190, 5193, 5200, 5202, 5205, 5208, 5217, 5220, 5248, 5250, 5253,
|
||||
5256, 5265, 5268, 5280, 5377, 5380, 5382, 5385, 5392, 5394, 5397, 5400, 5409, 5412, 5440, 5442,
|
||||
5445, 5448, 5457, 5460, 5472, 5505, 5508, 5520, 5632, 5637, 5640, 5649, 5652, 5664, 5697, 5700,
|
||||
5712, 5760, 5802, 6145, 6148, 6150, 6153, 6160, 6165, 6168, 6177, 6208, 6210, 6213, 6216, 6225,
|
||||
6228, 6240, 6273, 6276, 6400, 6402, 6405, 6408, 6417, 6420, 6432, 6465, 6468, 6480, 6505, 6562,
|
||||
6660, 6672, 6720, 6742, 8192, 8194, 8197, 8200, 8209, 8212, 8214, 8217, 8224, 8229, 8234, 8257,
|
||||
8260, 8272, 8274, 8277, 8292, 8320, 8330, 8340, 8362, 8449, 8452, 8464, 8466, 8469, 8481, 8512,
|
||||
8514, 8517, 8529, 8532, 8544, 8577, 8580, 8592, 8704, 8714, 8738, 8744, 8746, 8772, 8784, 8840,
|
||||
8842, 8872, 9217, 9220, 9222, 9225, 9232, 9237, 9240, 9249, 9252, 9280, 9282, 9285, 9288, 9297,
|
||||
9300, 9312, 9345, 9348, 9360, 9472, 9477, 9480, 9489, 9492, 9504, 9537, 9540, 9552, 9574, 9600,
|
||||
9729, 9732, 9744, 9792, 9817, 10240, 10245, 10257, 10260, 10305, 10308, 10320, 10378, 10410, 10497, 10500,
|
||||
10512, 10645, 10762, 10786, 10852, 10888, 10890, 16385, 16388, 16390, 16393, 16400, 16402, 16405, 16408, 16410,
|
||||
16417, 16420, 16422, 16448, 16450, 16453, 16456, 16458, 16465, 16468, 16470, 16473, 16480, 16482, 16485, 16513,
|
||||
16516, 16528, 16533, 16536, 16545, 16548, 16640, 16642, 16645, 16648, 16657, 16660, 16662, 16665, 16672, 16674,
|
||||
16677, 16705, 16708, 16710, 16713, 16720, 16722, 16725, 16728, 16737, 16740, 16768, 16770, 16773, 16776, 16785,
|
||||
16788, 16800, 16897, 16900, 16912, 16914, 16917, 16920, 16932, 16960, 16965, 16968, 16977, 16980, 16992, 17025,
|
||||
17028, 17408, 17410, 17413, 17416, 17418, 17425, 17428, 17430, 17433, 17440, 17442, 17445, 17448, 17473, 17476,
|
||||
17478, 17481, 17488, 17490, 17493, 17496, 17505, 17508, 17536, 17538, 17541, 17544, 17553, 17556, 17568, 17665,
|
||||
17668, 17670, 17673, 17680, 17682, 17685, 17688, 17697, 17700, 17728, 17730, 17733, 17736, 17745, 17748, 17760,
|
||||
17770, 17793, 17796, 17808, 17920, 17922, 17925, 17928, 17937, 17940, 17952, 17985, 17988, 18000, 18048, 18085,
|
||||
18433, 18436, 18441, 18448, 18450, 18453, 18456, 18465, 18468, 18496, 18498, 18501, 18504, 18513, 18516, 18528,
|
||||
18564, 18576, 18688, 18690, 18693, 18696, 18705, 18708, 18720, 18753, 18756, 18768, 18816, 18838, 18945, 18948,
|
||||
18960, 19008, 20480, 20482, 20485, 20488, 20497, 20500, 20502, 20505, 20512, 20514, 20517, 20520, 20545, 20548,
|
||||
20550, 20553, 20560, 20562, 20565, 20568, 20577, 20580, 20608, 20610, 20613, 20616, 20625, 20628, 20737, 20740,
|
||||
20742, 20745, 20752, 20754, 20757, 20760, 20769, 20772, 20800, 20802, 20805, 20808, 20817, 20820, 20832, 20865,
|
||||
20868, 20880, 20992, 20997, 21000, 21009, 21012, 21024, 21057, 21060, 21072, 21097, 21120, 21505, 21508, 21510,
|
||||
21513, 21520, 21522, 21525, 21528, 21537, 21540, 21568, 21570, 21573, 21576, 21585, 21588, 21600, 21633, 21636,
|
||||
21648, 21760, 21762, 21765, 21768, 21777, 21780, 21792, 21825, 21828, 21840, 21888, 22017, 22020, 22032, 22054,
|
||||
22080, 22528, 22530, 22533, 22536, 22545, 22548, 22560, 22593, 22596, 22608, 22618, 22656, 22785, 22788, 22800,
|
||||
22848, 23040, 23065, 23173, 23208, 24577, 24580, 24582, 24592, 24594, 24597, 24600, 24609, 24612, 24640, 24645,
|
||||
24648, 24657, 24660, 24672, 24708, 24720, 24832, 24834, 24837, 24840, 24849, 24852, 24864, 24897, 24900, 24912,
|
||||
24960, 24985, 25092, 25104, 25152, 25174, 25249, 25600, 25605, 25608, 25617, 25620, 25632, 25665, 25668, 25680,
|
||||
25728, 25857, 25860, 25872, 25920, 25930, 25960, 26002, 26112, 26260, 26625, 26628, 26640, 26725, 26776, 26880,
|
||||
26922, 27202, 27297, 32768, 32770, 32773, 32776, 32785, 32788, 32793, 32800, 32805, 32833, 32836, 32848, 32850,
|
||||
32853, 32856, 32865, 32896, 32901, 32913, 32916, 33025, 33028, 33033, 33040, 33042, 33045, 33048, 33057, 33060,
|
||||
33088, 33090, 33093, 33096, 33105, 33108, 33153, 33156, 33168, 33193, 33280, 33285, 33290, 33297, 33300, 33345,
|
||||
33348, 33360, 33793, 33796, 33798, 33801, 33808, 33810, 33813, 33816, 33825, 33856, 33858, 33861, 33864, 33873,
|
||||
33876, 33888, 33921, 33924, 33936, 34048, 34050, 34053, 34056, 34065, 34068, 34080, 34113, 34116, 34128, 34176,
|
||||
34186, 34305, 34308, 34320, 34345, 34368, 34816, 34821, 34833, 34836, 34881, 34884, 34896, 34978, 35073, 35076,
|
||||
35136, 35173, 35362, 35416, 35418, 35458, 35490, 36865, 36868, 36873, 36880, 36882, 36885, 36888, 36900, 36928,
|
||||
36930, 36933, 36936, 36945, 36948, 36960, 36993, 36996, 37008, 37120, 37125, 37137, 37140, 37185, 37188, 37200,
|
||||
37210, 37377, 37380, 37392, 37440, 37542, 37888, 37890, 37893, 37896, 37905, 37908, 37920, 37953, 37956, 37968,
|
||||
38016, 38038, 38145, 38148, 38160, 38208, 38296, 38305, 38400, 38470, 38500, 38913, 38916, 38928, 38950, 38976,
|
||||
39081, 39168, 39241, 39250, 39568, 40960, 40965, 40970, 40980, 40994, 41002, 41025, 41028, 41040, 41122, 41130,
|
||||
41280, 41317, 41474, 41482, 41506, 41512, 41514, 41602, 41608, 41610, 41640, 41985, 41988, 42000, 42048, 42121,
|
||||
42148, 42240, 42265, 42577, 43018, 43048, 43170, 43348, 43398, 43528, 43530, 43552, 43554, 43560, 43656, 43690,
|
||||
};
|
||||
|
||||
const int kmap_size = 43692;
|
||||
const int nwant = type == GGML_TYPE_IQ1_S ? 3 : 2;
|
||||
//const int nwant = type == GGML_TYPE_IQ1_S ? 3 : 2;
|
||||
const int nwant = type == GGML_TYPE_IQ1_S ? 3 : type == GGML_TYPE_IQ2_S ? 1 : 2;
|
||||
const uint16_t * kgrid = type == GGML_TYPE_IQ2_XXS ? kgrid_2bit_256 :
|
||||
type == GGML_TYPE_IQ2_XS ? kgrid_2bit_512 : kgrid_1bit_512;
|
||||
type == GGML_TYPE_IQ2_XS ? kgrid_2bit_512 :
|
||||
type == GGML_TYPE_IQ1_S ? kgrid_1bit_512 : kgrid_2bit_1024;
|
||||
uint64_t * kgrid_q2xs;
|
||||
int * kmap_q2xs;
|
||||
uint16_t * kneighbors_q2xs;
|
||||
|
|
@ -10151,7 +10717,7 @@ void iq2xs_init_impl(enum ggml_type type) {
|
|||
}
|
||||
|
||||
void iq2xs_free_impl(enum ggml_type type) {
|
||||
GGML_ASSERT(type == GGML_TYPE_IQ2_XXS || type == GGML_TYPE_IQ2_XS || type == GGML_TYPE_IQ1_S);
|
||||
GGML_ASSERT(type == GGML_TYPE_IQ2_XXS || type == GGML_TYPE_IQ2_XS || type == GGML_TYPE_IQ1_S || type == GGML_TYPE_IQ2_S);
|
||||
const int gindex = iq2_data_index(type);
|
||||
if (iq2_data[gindex].grid) {
|
||||
free(iq2_data[gindex].grid); iq2_data[gindex].grid = NULL;
|
||||
|
|
@ -11557,3 +12123,196 @@ void quantize_row_iq4_nl_reference(const float * restrict x, block_iq4_nl * rest
|
|||
quantize_iq4_nl(x, y, 1, k, NULL, NULL);
|
||||
}
|
||||
|
||||
// =============================== 2.5625 bpw
|
||||
|
||||
static void quantize_row_iq2_s_impl(const float * restrict x, void * restrict vy, int n, const float * restrict quant_weights) {
|
||||
|
||||
const int gindex = iq2_data_index(GGML_TYPE_IQ2_S);
|
||||
|
||||
const uint64_t * kgrid_q2xs = iq2_data[gindex].grid;
|
||||
const int * kmap_q2xs = iq2_data[gindex].map;
|
||||
const uint16_t * kneighbors_q2xs = iq2_data[gindex].neighbours;
|
||||
|
||||
GGML_ASSERT(kmap_q2xs && "forgot to call ggml_quantize_init()?");
|
||||
GGML_ASSERT(kgrid_q2xs && "forgot to call ggml_quantize_init()?");
|
||||
GGML_ASSERT(kneighbors_q2xs && "forgot to call ggml_quantize_init()?");
|
||||
GGML_ASSERT(n%QK_K == 0);
|
||||
|
||||
const int kMaxQ = 3;
|
||||
|
||||
const int nbl = n/256;
|
||||
|
||||
block_iq2_s * y = vy;
|
||||
|
||||
float scales[QK_K/16];
|
||||
float weight[16];
|
||||
float xval[16];
|
||||
int8_t L[16];
|
||||
int8_t Laux[16];
|
||||
float waux[16];
|
||||
bool is_on_grid[2];
|
||||
bool is_on_grid_aux[2];
|
||||
uint8_t block_signs[2];
|
||||
|
||||
for (int ibl = 0; ibl < nbl; ++ibl) {
|
||||
|
||||
memset(&y[ibl], 0, sizeof(block_iq2_s));
|
||||
y[ibl].d = GGML_FP32_TO_FP16(0.f);
|
||||
|
||||
float max_scale = 0;
|
||||
|
||||
const float * xbl = x + QK_K*ibl;
|
||||
float sumx2 = 0;
|
||||
for (int i = 0; i < QK_K; ++i) sumx2 += xbl[i]*xbl[i];
|
||||
float sigma2 = 2*sumx2/QK_K;
|
||||
|
||||
for (int ib = 0; ib < QK_K/16; ++ib) {
|
||||
const float * xb = xbl + 16*ib;
|
||||
if (quant_weights) {
|
||||
const float * qw = quant_weights + QK_K*ibl + 16*ib;
|
||||
for (int i = 0; i < 16; ++i) weight[i] = qw[i] * sqrtf(sigma2 + xb[i]*xb[i]);
|
||||
} else {
|
||||
for (int i = 0; i < 16; ++i) weight[i] = 0.25f*sigma2 + xb[i]*xb[i];
|
||||
}
|
||||
for (int i = 0; i < 16; ++i) waux[i] = sqrtf(weight[i]);
|
||||
for (int k = 0; k < 2; ++k) {
|
||||
uint8_t s = 0;
|
||||
for (int i = 0; i < 8; ++i) {
|
||||
if (xb[8*k + i] >= 0) xval[8*k + i] = xb[8*k + i];
|
||||
else {
|
||||
xval[8*k + i] = -xb[8*k + i]; s |= (1 << i);
|
||||
}
|
||||
}
|
||||
block_signs[k] = s;
|
||||
}
|
||||
float max = xval[0];
|
||||
for (int i = 1; i < 16; ++i) max = MAX(max, xval[i]);
|
||||
if (!max) {
|
||||
scales[ib] = 0;
|
||||
continue;
|
||||
}
|
||||
float best = 0;
|
||||
float scale = max/(2*kMaxQ-1);
|
||||
is_on_grid[0] = is_on_grid[1] = true;
|
||||
for (int is = -9; is <= 9; ++is) {
|
||||
float id = (2*kMaxQ-1+is*0.1f)/max;
|
||||
float this_scale = 1/id;
|
||||
for (int k = 0; k < 2; ++k) {
|
||||
for (int i = 0; i < 8; ++i) {
|
||||
int l = nearest_int(0.5f*(id*xval[8*k+i]-1));
|
||||
Laux[8*k+i] = MAX(0, MIN(kMaxQ-1, l));
|
||||
}
|
||||
uint16_t u = 0;
|
||||
for (int i = 0; i < 8; ++i) u |= (Laux[8*k+i] << 2*i);
|
||||
int grid_index = kmap_q2xs[u];
|
||||
is_on_grid_aux[k] = true;
|
||||
if (grid_index < 0) {
|
||||
is_on_grid_aux[k] = false;
|
||||
const uint16_t * neighbours = kneighbors_q2xs - kmap_q2xs[u] - 1;
|
||||
grid_index = iq2_find_best_neighbour(neighbours, kgrid_q2xs, xval + 8*k, waux + 8*k, this_scale, Laux + 8*k);
|
||||
}
|
||||
}
|
||||
float sumqx = 0, sumq2 = 0;
|
||||
for (int i = 0; i < 16; ++i) {
|
||||
float w = weight[i];
|
||||
float q = 2*Laux[i] + 1;
|
||||
sumqx += w*xval[i]*q;
|
||||
sumq2 += w*q*q;
|
||||
}
|
||||
if (sumq2 > 0 && sumqx*sumqx > best*sumq2) {
|
||||
scale = sumqx/sumq2; best = scale*sumqx;
|
||||
for (int i = 0; i < 16; ++i) L[i] = Laux[i];
|
||||
for (int k = 0; k < 2; ++k) is_on_grid[k] = is_on_grid_aux[k];
|
||||
}
|
||||
}
|
||||
int n_not_ongrid = 0;
|
||||
for (int k = 0; k < 2; ++k) if (!is_on_grid[k]) ++n_not_ongrid;
|
||||
if (n_not_ongrid > 0 && scale > 0) {
|
||||
float id = 1/scale;
|
||||
for (int k = 0; k < 2; ++k) {
|
||||
if (is_on_grid[k]) continue;
|
||||
uint16_t u = 0;
|
||||
for (int i = 0; i < 8; ++i) {
|
||||
int l = nearest_int(0.5f*(id*xval[8*k+i]-1));
|
||||
l = MAX(0, MIN(kMaxQ-1, l));
|
||||
u |= (l << 2*i);
|
||||
L[8*k + i] = l;
|
||||
}
|
||||
int grid_index = kmap_q2xs[u];
|
||||
if (grid_index < 0) {
|
||||
const uint16_t * neighbours = kneighbors_q2xs - kmap_q2xs[u] - 1;
|
||||
grid_index = iq2_find_best_neighbour(neighbours, kgrid_q2xs, xval + 8*k, waux + 8*k, scale, L + 8*k);
|
||||
}
|
||||
}
|
||||
float sumqx = 0, sumq2 = 0;
|
||||
for (int i = 0; i < 16; ++i) {
|
||||
float w = weight[i];
|
||||
float q = 2*L[i] + 1;
|
||||
sumqx += w*xval[i]*q;
|
||||
sumq2 += w*q*q;
|
||||
}
|
||||
if (sumq2 > 0) scale = sumqx/sumq2;
|
||||
}
|
||||
if (scale < 0) {
|
||||
scale = -scale;
|
||||
for (int k = 0; k < 2; ++k) block_signs[k] = ~block_signs[k];
|
||||
}
|
||||
for (int k = 0; k < 2; ++k) {
|
||||
uint16_t u = 0;
|
||||
for (int i = 0; i < 8; ++i) u |= (L[8*k+i] << 2*i);
|
||||
int grid_index = kmap_q2xs[u];
|
||||
if (grid_index < 0) {
|
||||
printf("Oops: found point %u not on grid:", u);
|
||||
for (int i = 0; i < 8; ++i) printf(" %d", L[8*k+i]);
|
||||
printf("\n");
|
||||
GGML_ASSERT(false);
|
||||
}
|
||||
const int i8 = 2*ib + k;
|
||||
y[ibl].qs[i8] = grid_index & 255;
|
||||
y[ibl].qh[i8/4] |= ((grid_index >> 8) << 2*(i8%4));
|
||||
y[ibl].qs[QK_K/8 + i8] = block_signs[k];
|
||||
}
|
||||
GGML_ASSERT(scale >= 0);
|
||||
scales[ib] = scale;
|
||||
max_scale = MAX(max_scale, scale);
|
||||
}
|
||||
|
||||
if (!max_scale) {
|
||||
continue;
|
||||
}
|
||||
|
||||
float d = max_scale/31;
|
||||
y[ibl].d = GGML_FP32_TO_FP16(d * 0.9875f);
|
||||
float id = 1/d;
|
||||
for (int ib = 0; ib < QK_K/16; ++ib) {
|
||||
int l = nearest_int(0.5f*(id*scales[ib]-1));
|
||||
l = MAX(0, MIN(15, l));
|
||||
if (ib%2 == 0) y[ibl].scales[ib/2] = l;
|
||||
else y[ibl].scales[ib/2] |= (l << 4);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
size_t quantize_iq2_s(const float * src, void * dst, int nrow, int n_per_row, int64_t * hist, const float * quant_weights) {
|
||||
(void)hist;
|
||||
GGML_ASSERT(n_per_row%QK_K == 0);
|
||||
int nblock = n_per_row/QK_K;
|
||||
char * qrow = (char *)dst;
|
||||
for (int row = 0; row < nrow; ++row) {
|
||||
quantize_row_iq2_s_impl(src, qrow, n_per_row, quant_weights);
|
||||
src += n_per_row;
|
||||
qrow += nblock*sizeof(block_iq2_s);
|
||||
}
|
||||
return nrow * nblock * sizeof(block_iq2_s);
|
||||
}
|
||||
|
||||
void quantize_row_iq2_s_reference(const float * restrict x, block_iq2_s * restrict y, int k) {
|
||||
assert(k % QK_K == 0);
|
||||
quantize_iq2_s(x, y, 1, k, NULL, NULL);
|
||||
}
|
||||
|
||||
void quantize_row_iq2_s(const float * restrict x, void * restrict vy, int k) {
|
||||
assert(k % QK_K == 0);
|
||||
block_iq2_s * restrict y = vy;
|
||||
quantize_row_iq2_s_reference(x, y, k);
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue