vbatts/llama.cpp
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ggml : prefer vzip to vuzp

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This way we always use the same type of instruction across all quantizations
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Georgi Gerganov 2023-04-21 20:12:42 +03:00
parent 8687c1f258
commit 5db246a547
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GPG key ID: 449E073F9DC10735
1 changed files with 6 additions and 6 deletions
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ggml.c
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@ -2632,18 +2632,18 @@ static void ggml_vec_dot_q4_1_q8_0(const int n, float * restrict s, const void *
const int8x16_t v0_1l = vreinterpretq_s8_u8(vandq_u8 (v0_1, m4b));
const int8x16_t v0_1h = vreinterpretq_s8_u8(vshrq_n_u8(v0_1, 4));
// interleave
const int8x16_t v0_0lz = vzip1q_s8(v0_0l, v0_0h);
const int8x16_t v0_0hz = vzip2q_s8(v0_0l, v0_0h);
const int8x16_t v0_1lz = vzip1q_s8(v0_1l, v0_1h);
const int8x16_t v0_1hz = vzip2q_s8(v0_1l, v0_1h);
// load y
const int8x16_t v1_0l = vld1q_s8(y0->qs);
const int8x16_t v1_0h = vld1q_s8(y0->qs + 16);
const int8x16_t v1_1l = vld1q_s8(y1->qs);
const int8x16_t v1_1h = vld1q_s8(y1->qs + 16);
// interleave
const int8x16_t v1_0ls = vuzp1q_s8(v1_0l, v1_0h);
const int8x16_t v1_0hs = vuzp2q_s8(v1_0l, v1_0h);
const int8x16_t v1_1ls = vuzp1q_s8(v1_1l, v1_1h);
const int8x16_t v1_1hs = vuzp2q_s8(v1_1l, v1_1h);
#if defined(__ARM_FEATURE_DOTPROD)
// dot product into int32x4_t
const int32x4_t p_0 = vdotq_s32(vdotq_s32(vdupq_n_s32(0), v0_0l, v1_0ls), v0_0h, v1_0hs);