void ProgressReporter::Done() {
if (PbrtOptions.quiet) return;
std::lock_guard<std::mutex> lock(mutex);
while (plussesPrinted++ < totalPlusses) *curSpace++ = '+';
fputs(buf, outFile);
Float seconds = ElapsedMS() / 1000.f;
fprintf(outFile, " (%.1fs) \n", seconds);
fflush(outFile);
}
void ProgressReporter::PrintBar() {
int barLength = TerminalWidth() - 28;
int totalPlusses = std::max(2, barLength - (int)title.size());
int plussesPrinted = 0;
// Initialize progress string
const int bufLen = title.size() + totalPlusses + 64;
std::unique_ptr<char[]> buf(new char[bufLen]);
snprintf(buf.get(), bufLen, "\r%s: [", title.c_str());
char *curSpace = buf.get() + strlen(buf.get());
char *s = curSpace;
for (int i = 0; i < totalPlusses; ++i) *s++ = ' ';
*s++ = ']';
*s++ = ' ';
*s++ = '\0';
fputs(buf.get(), stdout);
fflush(stdout);
std::chrono::milliseconds sleepDuration(250);
int iterCount = 0;
while (!exitThread) {
std::this_thread::sleep_for(sleepDuration);
// Periodically increase sleepDuration to reduce overhead of
// updates.
++iterCount;
if (iterCount == 10)
// Up to 0.5s after ~2.5s elapsed
sleepDuration *= 2;
else if (iterCount == 70)
// Up to 1s after an additional ~30s have elapsed.
sleepDuration *= 2;
Float percentDone = Float(workDone) / Float(totalWork);
int plussesNeeded = std::round(totalPlusses * percentDone);
while (plussesPrinted < plussesNeeded) {
*curSpace++ = '+';
++plussesPrinted;
}
fputs(buf.get(), stdout);
// Update elapsed time and estimated time to completion
Float seconds = ElapsedMS() / 1000.f;
Float estRemaining = seconds / percentDone - seconds;
if (percentDone == 1.f)
printf(" (%.1fs) ", seconds);
else if (!std::isinf(estRemaining))
printf(" (%.1fs|%.1fs) ", seconds,
std::max((Float)0., estRemaining));
else
printf(" (%.1fs|?s) ", seconds);
fflush(stdout);
}
}
void ProgressReporter::Update(int num) {
if (num == 0 || PbrtOptions.quiet) return;
std::lock_guard<std::mutex> lock(mutex);
workDone += num;
Float percentDone = Float(workDone) / Float(totalWork);
int plussesNeeded = std::round(totalPlusses * percentDone);
if (plussesNeeded > totalPlusses) plussesNeeded = totalPlusses;
while (plussesPrinted < plussesNeeded) {
*curSpace++ = '+';
++plussesPrinted;
}
fputs(buf, outFile);
// Update elapsed time and estimated time to completion
Float seconds = ElapsedMS() / 1000.f;
Float estRemaining = seconds / percentDone - seconds;
if (percentDone == 1.f)
fprintf(outFile, " (%.1fs) ", seconds);
else
fprintf(outFile, " (%.1fs|%.1fs) ", seconds,
std::max((Float)0., estRemaining));
fflush(outFile);
}
