happyz
/
llama.cpp
mirror of https://github.com/ggerganov/llama.cpp.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Improve layer 0 stats

This commit is contained in:
Ed Addario 2025-11-17 17:52:15 +00:00
parent bf9823afa7
commit 8d97eee557
No known key found for this signature in database
GPG Key ID: E7875815A3230993
1 changed files with 16 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
tools/imatrix/imatrix.cpp
View File

@ -274,7 +274,7 @@ static bool compute_vector_statistics(std::vector<tensor_statistics> & tstats, c
static void compute_tensor_statistics(std::vector<tensor_statistics> & tstats) {
static const std::regex pattern(R"(blk\.(\d+)\.)");
for (auto & ts : tstats) {
ts.cossim = 0.0f;
ts.cossim = 1.0f;
ts.l2_dist = 0.0f;
if (std::smatch match; std::regex_search(ts.tensor, match, pattern)) {
@ -1495,9 +1495,20 @@ static bool show_statistics(const common_params & params) {
for (const auto & [layer, stats] : ls) {
if (layer < 0 || stats.n == 0) { continue; }
const auto lcs = layer_cossim.find(layer);
const float layer_cs = lcs != layer_cossim.end() ? lcs->second : 0.0f;
const auto ll2n = layer_l2_dist.find(layer);
const float layer_l2n = ll2n != layer_l2_dist.end() ? ll2n->second : 0.0f;
float layer_cs = 0.0f;
float layer_l2n = 0.0f;
if (lcs != layer_cossim.end() && ll2n != layer_l2_dist.end()) {
layer_cs = lcs->second;
layer_l2n = ll2n->second;
} else if (layer == 0) {
layer_cs = 1.0f;
layer_l2n = 0.0f;
} else {
continue;
}
if (legacy) {
LOG_INF("%5d\t%11.4f\t%6.2f%%\t%11.4f\n",
layer,
@ -1505,12 +1516,13 @@ static bool show_statistics(const common_params & params) {
100.0f * stats.layer_zd / stats.n,
layer_cs);
} else {
const float layer_ecs = 100.0f * (1.0f - std::exp(-0.01f * layer_l2n) * std::pow(std::fabs(layer_cs), 10.0f));
LOG_INF("%5d\t%11.4f\t%6.2f%%\t%11.4f\t%8.4f\n",
layer,
layer_l2n,
100.0f * stats.layer_zd / stats.n,
layer_cs,
100.0f * (1.0f - std::exp(-0.01f * layer_l2n) * std::pow(std::fabs(layer_cs), 10.0f))); // Euclidean-Cosine score
layer_ecs);
}
}
LOG_INF("\n");