vbatts/llama.cpp
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common : better normalize impl

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Georgi Gerganov 2024-03-09 14:26:28 +02:00
parent 98cccf14e3
commit 02addabbae
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1 changed files with 6 additions and 7 deletions
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common/common.cpp
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@ -1854,15 +1854,14 @@ void dump_kv_cache_view_seqs(const llama_kv_cache_view & view, int row_size) {
}
void llama_embd_normalize(const float * inp, float * out, int n) {
float norm = 0;
double sum = 0.0;
for (int i = 0; i < n; i++) {
norm += inp[i] * inp[i];
sum += inp[i] * inp[i];
}
norm = sqrt(norm);
if (norm == 0) {
return;
}
norm = 1.0 / norm;
sum = sqrt(sum);
const float norm = sum > 0.0 ? 1.0f / sum : 0.0f;
for (int i = 0; i < n; i++) {
out[i] = inp[i] * norm;
}