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[misc] Prettify KernelProfiler outputs #1525

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Jul 18, 2020
Merged

[misc] Prettify KernelProfiler outputs #1525

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32 changes: 26 additions & 6 deletions taichi/program/kernel_profiler.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,10 @@ void KernelProfileRecord::insert_sample(double t) {
total += t;
}

bool KernelProfileRecord::operator<(const KernelProfileRecord &o) const {
return total > o.total;
}

void KernelProfilerBase::profiler_start(KernelProfilerBase *profiler,
const char *kernel_name) {
TI_ASSERT(profiler);
Expand All @@ -29,14 +33,30 @@ void KernelProfilerBase::profiler_stop(KernelProfilerBase *profiler) {

void KernelProfilerBase::print() {
sync();
printf("%s\n", title().c_str());
fmt::print("{}\n", title());
fmt::print(
"========================================================================"
"=\n");
fmt::print(
"[ % total count | min avg max ] Kernel "
"name\n");
std::sort(records.begin(), records.end());
for (auto &rec : records) {
printf(
"[%6.2f%%] %-40s min %7.3f ms avg %7.3f ms max %7.3f ms "
"total %7.3f s [%7dx]\n",
rec.total / total_time * 100.0f, rec.name.c_str(), rec.min,
rec.total / rec.counter, rec.max, rec.total / 1000.0f, rec.counter);
auto fraction = rec.total / total_time * 100.0f;
fmt::print("[{:6.2f}% {:7.3f} s {:6d}x |{:9.3f} {:9.3f} {:9.3f} ms] {}\n",
fraction, rec.total / 1000.0f, rec.counter, rec.min,
rec.total / rec.counter, rec.max, rec.name);
}
fmt::print(
"------------------------------------------------------------------------"
"-\n");
fmt::print(
"[100.00%] Total kernel execution time: {:7.3f} s number of records: "
"{}\n",
total_time / 1000.0f, records.size());
fmt::print(
"========================================================================"
"=\n");
}

namespace {
Expand Down
2 changes: 2 additions & 0 deletions taichi/program/kernel_profiler.h
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,8 @@ struct KernelProfileRecord {
}

void insert_sample(double t);

bool operator<(const KernelProfileRecord &o) const;
};

class KernelProfilerBase {
Expand Down