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Revert "revert https://github.com/ggml-org/llama.cpp/pull/15953 for now as it breaks kokoro"

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This reverts commit 20678ddca1.
This commit is contained in:
Concedo
2025-10-13 15:25:53 +08:00
parent ca8f36195f
commit c6884a1462
1 changed files with 10 additions and 14 deletions
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ggml/src/ggml-cpu/ops.cpp
+10 -14
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@@ -3467,31 +3467,27 @@ static void ggml_compute_forward_norm_f32(
GGML_ASSERT(eps >= 0.0f);
// kcpp: reverted back to non accelerated, because it was breaking kokoro
for (int64_t i03 = 0; i03 < ne03; i03++) {
for (int64_t i02 = 0; i02 < ne02; i02++) {
for (int64_t i01 = ith; i01 < ne01; i01 += nth) {
const float * x = (float *) ((char *) src0->data + i01*nb01 + i02*nb02 + i03*nb03);
ggml_float sum = 0.0;
for (int64_t i00 = 0; i00 < ne00; i00++) {
sum += (ggml_float)x[i00];
}
float sum = 0.0;
ggml_vec_sum_f32(ne00, &sum, x);
float mean = sum/ne00;
float * y = (float *) ((char *) dst->data + i01*nb1 + i02*nb2 + i03*nb3);
float variance = 0;
ggml_float sum2 = 0.0;
for (int64_t i00 = 0; i00 < ne00; i00++) {
float v = x[i00] - mean;
y[i00] = v;
sum2 += (ggml_float)(v*v);
}
#ifdef GGML_USE_ACCELERATE
mean = -mean;
vDSP_vsadd(x, 1, &mean, y, 1, ne00);
vDSP_measqv(y, 1, &variance, ne00);
#else
variance = ggml_vec_cvar_f32(ne00, y, x, mean);
#endif //GGML_USE_ACCELERATE
float variance = sum2/ne00;
const float scale = 1.0f/sqrtf(variance + eps);
ggml_vec_scale_f32(ne00, y, scale);
}
}