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QVAC-6569: Redirected performance logging to GGML_LOG #45

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merged 1 commit into from
Oct 24, 2025
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QVAC-6569: Redirected performance logging to GGML_LOG #45

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14 changes: 8 additions & 6 deletions ggml/src/ggml-vulkan/ggml-vulkan.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1244,14 +1244,15 @@ class vk_perf_logger {
if (timings.empty()) {
return;
}
std::stringstream ss;
uint64_t total_all_op_times = 0;
std::cerr << "----------------\nVulkan Timings:" << std::endl;
ss << "----------------\nVulkan Timings:" << std::endl;
for (const auto & t : timings) {
uint64_t total_op_times = 0;
for (const auto & time : t.second) {
total_op_times += time;
}
std::cerr << t.first << ": " << t.second.size() << " x " << (total_op_times / t.second.size() / 1000.0)
ss << t.first << ": " << t.second.size() << " x " << (total_op_times / t.second.size() / 1000.0)
<< " us";

// If we have as many flops entries as timing entries for the op, then compute and log the flops/S.
Expand All @@ -1261,21 +1262,22 @@ class vk_perf_logger {
for (const auto & elem : it->second) {
total_op_flops += elem;
}
std::cerr << " ("
ss << " ("
<< (double(total_op_flops) / (1000.0 * 1000.0 * 1000.0)) /
(double(total_op_times) / (1000.0 * 1000.0 * 1000.0))
<< " GFLOPS/s)";
}

total_all_op_times += total_op_times;

std::cerr << std::endl;
ss << std::endl;
}

if (timings.size() > 0) {
std::cerr << "Total time: " << total_all_op_times / 1000.0 << " us." << std::endl;
ss << "Total time: " << total_all_op_times / 1000.0 << " us." << std::endl;
}

auto ssStr = ss.str();
GGML_LOG_DEBUG("%s", ssStr.c_str());
timings.clear();
flops.clear();
}
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