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ggml : add Q8_0 quantization format (rename the old one to Q8_1) (ARM NEON) #1179

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Merged
merged 10 commits into from
Apr 25, 2023
Merged

ggml : add Q8_0 quantization format (rename the old one to Q8_1) (ARM NEON) #1179

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f83c321
ggml : add Q8_0 quantization format (rename the old one to Q8_1)
ggerganov Apr 25, 2023
79cfdf5
tests : fix test-quantize-fns
ggerganov Apr 25, 2023
d8bf720
ggml : finalize Q8_0 implementation
ggerganov Apr 25, 2023
6496b79
ggml : use q4_0_q8_0 and q4_2_q8_0
ggerganov Apr 25, 2023
88618ab
ggml : fix Q8_0 dot product bug (ARM)
ggerganov Apr 25, 2023
6e0f0b6
ggml : Q8_0 unroll x2
ggerganov Apr 25, 2023
46fc696
ggml : fix bug - using wrong block type
ggerganov Apr 25, 2023
91bfa51
ggml : extend quantize_fns_t with "vec_dot_type"
ggerganov Apr 25, 2023
4ddb983
ggml : fix Q8_0 to use 255 values out of 256
ggerganov Apr 25, 2023
e8c3731
ggml : fix assert using wrong QK4_2 instead of QK4_3
ggerganov Apr 25, 2023
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ggml : fix assert using wrong QK4_2 instead of QK4_3
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@ggerganov
ggerganov committed Apr 25, 2023
commit e8c373176446340b1b774e47dd19beae1f2ce65f
2 changes: 1 addition & 1 deletion ggml.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2942,7 +2942,7 @@ static void ggml_vec_dot_q4_3_q8_1(const int n, float * restrict s, const void *

assert(n % QK8_1 == 0);
assert(nb % 2 == 0);
assert(QK8_1 == 2*QK4_2);
assert(QK8_1 == 2*QK4_3);

const block_q4_3 * restrict x = vx;
const block_q8_1 * restrict y = vy;
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