TODO: Remove array access?
public function formatIterationsShortSummary(Variant $variant)
{
$subject = $variant->getSubject();
$stats = $variant->getStats();
$timeUnit = $this->timeUnit->resolveDestUnit($variant->getSubject()->getOutputTimeUnit());
$mode = $this->timeUnit->resolveMode($subject->getOutputMode());
$precision = $this->timeUnit->resolvePrecision($subject->getOutputTimePrecision());
return sprintf('[μ Mo]/r: %s %s μRSD/r: %s%%', $this->timeUnit->format($stats->getMean(), $timeUnit, $mode, $precision, false), $this->timeUnit->format($stats->getMode(), $timeUnit, $mode, $precision, false), number_format($stats->getRstdev(), 2));
}
/**
* {@inheritdoc}
*/
public function variantEnd(Variant $variant)
{
if ($variant->hasErrorStack()) {
$this->output->write(sprintf("[0G %-30s<error>ERROR</error>", $variant->getSubject()->getName()));
$this->output->write(PHP_EOL);
return;
}
$this->output->write(sprintf("\t%s", $this->formatIterationsFullSummary($variant)));
$this->output->write(PHP_EOL);
}
public function variantEnd(Variant $variant)
{
// do not show reject runs
if ($variant->getRejectCount() > 0) {
return;
}
$dot = $variant->hasErrorStack() ? '<error>E</error>' : '.';
if ($this->isCi) {
$this->output->write($dot);
return;
}
$this->buffer .= $dot;
$this->output->write(sprintf("\r%s ", $this->buffer));
}
protected function renderCollectionStatus(Variant $variant)
{
$this->output->write(PHP_EOL);
$this->output->write("[0J");
// clear the line
$this->output->write(PHP_EOL);
$this->output->write(sprintf('<info>subject</info> %s<info> with </info>%s<info> iteration(s) of </info>%s<info> rev(s),</info>', sprintf('%s', $variant->getSubject()->getName()), count($variant), $variant->getRevolutions()));
$this->output->write(PHP_EOL);
$this->output->write(sprintf('<info>parameters</info> %s', json_encode($variant->getParameterSet()->getArrayCopy(), true)));
$this->output->write(PHP_EOL);
$this->output->write("[" . 4 . 'A');
// put the cursor back to the line with the measurements
$this->output->write("[0G");
// put the cursor back at col 0
}
private function processVariant(Subject $subject, Variant $variant, \DOMElement $subjectEl)
{
$variantEl = $subjectEl->appendElement('variant');
// TODO: These attributes should be on the subject, see
// https://github.com/phpbench/phpbench/issues/307
$variantEl->setAttribute('sleep', $subject->getSleep());
$variantEl->setAttribute('output-time-unit', $subject->getOutputTimeUnit() ?: TimeUnit::MICROSECONDS);
$variantEl->setAttribute('output-time-precision', $subject->getOutputTimePrecision());
$variantEl->setAttribute('output-mode', $subject->getOutputMode() ?: TimeUnit::MODE_TIME);
$variantEl->setAttribute('revs', $variant->getRevolutions());
$variantEl->setAttribute('warmup', $variant->getWarmup());
$variantEl->setAttribute('retry-threshold', $subject->getRetryThreshold());
foreach ($variant->getParameterSet() as $name => $value) {
$this->createParameter($variantEl, $name, $value);
}
if ($variant->hasErrorStack()) {
$errorsEl = $variantEl->appendElement('errors');
foreach ($variant->getErrorStack() as $error) {
$errorEl = $errorsEl->appendElement('error', $error->getMessage());
$errorEl->setAttribute('exception-class', $error->getClass());
$errorEl->setAttribute('code', $error->getCode());
$errorEl->setAttribute('file', $error->getFile());
$errorEl->setAttribute('line', $error->getLine());
}
return;
}
$stats = $variant->getStats();
$stats = iterator_to_array($stats);
$resultClasses = [];
// ensure same order (for testing)
ksort($stats);
foreach ($variant as $iteration) {
$iterationEl = $variantEl->appendElement('iteration');
foreach ($iteration->getResults() as $result) {
// we need to store the class FQNs of the results for deserialization later.
if (!isset($resultClasses[$result->getKey()])) {
$resultClasses[$result->getKey()] = get_class($result);
}
$prefix = $result->getKey();
$metrics = $result->getMetrics();
foreach ($metrics as $key => $value) {
$iterationEl->setAttribute(sprintf('%s-%s', $prefix, str_replace('_', '-', $key)), $value);
}
}
}
$statsEl = $variantEl->appendElement('stats');
foreach ($stats as $statName => $statValue) {
$statsEl->setAttribute($statName, $statValue);
}
foreach ($resultClasses as $resultKey => $classFqn) {
if ($subjectEl->queryOne('ancestor::suite/result[@key="' . $resultKey . '"]')) {
continue;
}
$resultEl = $subjectEl->queryOne('ancestor::suite')->appendElement('result');
$resultEl->setAttribute('key', $resultKey);
$resultEl->setAttribute('class', $classFqn);
}
}
/**
* {@inheritdoc}
*/
public function variantEnd(Variant $variant)
{
if ($variant->getRejectCount() > 0) {
return;
}
$subject = $variant->getSubject();
if ($variant->hasErrorStack()) {
$this->output->writeln(sprintf(' t%-30s <error>ERROR</error>', $subject->getName()));
return;
}
$this->output->writeln(sprintf(" %-30s I%s P%s\t%s", $subject->getName(), $variant->count(), $variant->getParameterSet()->getIndex(), $this->formatIterationsFullSummary($variant)));
}
private function processVariant(Variant $variant, \DOMElement $variantEl, array $resultClasses)
{
$errorEls = $variantEl->query('.//error');
if ($errorEls->length) {
$errors = [];
foreach ($errorEls as $errorEl) {
$error = new Error($errorEl->nodeValue, $errorEl->getAttribute('exception-class'), $errorEl->getAttribute('code'), $errorEl->getAttribute('file'), $errorEl->getAttribute('line'), '');
$errors[] = $error;
}
$variant->createErrorStack($errors);
return;
}
foreach ($variantEl->query('./iteration') as $iterationEl) {
$results = [];
foreach ($iterationEl->attributes as $attributeEl) {
$name = $attributeEl->name;
if (false === strpos($name, '-')) {
throw new \RuntimeException(sprintf('Expected attribute name to have a result key prefix, got "%s".', $name));
}
$prefix = substr($name, 0, strpos($name, '-'));
if (!isset($resultClasses[$prefix])) {
throw new \RuntimeException(sprintf('No result class was provided with key "%s" for attribute "%s"', $prefix, $name));
}
$suffix = substr($name, strpos($name, '-') + 1);
$results[$prefix][str_replace('-', '_', $suffix)] = $attributeEl->value;
}
$iteration = $variant->createIteration();
foreach ($results as $resultKey => $resultData) {
$iteration->setResult(call_user_func_array([$resultClasses[$resultKey], 'fromArray'], [$resultData]));
}
}
// TODO: Serialize statistics ..
$variant->computeStats();
}
private function drawIterations(Variant $variant)
{
$subject = $variant->getSubject();
$this->output->write("[2K");
// clear the whole line
$this->output->write(PHP_EOL);
$this->output->write("[2K");
// clear the whole line
$this->output->write("[1A");
$sigma = 2;
$bins = 16;
if ($variant->isComputed()) {
$times = $variant->getMetricValues(ComputedResult::class, 'z_value');
$stats = $variant->getStats();
$freqs = Statistics::histogram($times, $bins, -$sigma, $sigma);
} else {
$stats = new Distribution([0]);
$freqs = array_fill(0, $bins + 1, null);
}
$this->output->write(sprintf('#%-2d (σ = %s ) -%sσ [', $subject->getIndex(), $this->timeUnit->format($stats->getStdev()), $sigma));
$this->drawBlocks($freqs, $stats);
$this->output->write(sprintf('] +%sσ <comment>%s</comment>', $sigma, $variant->isComputed() ? $this->formatIterationsShortSummary($variant) : ''));
$this->output->write(PHP_EOL);
}
private function drawIterations(Variant $variant, array $specials, $tag)
{
$this->output->write("[2K");
// clear line
$timeUnit = $variant->getSubject()->getOutputTimeUnit();
$outputMode = $variant->getSubject()->getOutputMode();
$lines = [];
$line = sprintf('%-' . self::INDENT . 's', '#' . $variant->getSubject()->getIndex());
$nbIterations = $variant->count();
for ($index = 0; $index < $nbIterations; $index++) {
$iteration = $variant->getIteration($index);
$displayTime = $this->formatIterationTime($iteration);
if (isset($specials[$iteration->getIndex()])) {
$displayTime = sprintf('<%s>%' . $this->colWidth . 's</%s>', $tag, $displayTime, $tag);
}
$line .= $displayTime;
if ($index > 0 && $index < $nbIterations - 1 && ($index + 1) % self::NUMBER_COLS == 0) {
$lines[] = $line;
$line = str_repeat(' ', self::INDENT);
}
}
$lines[] = $line;
$this->currentLine = count($lines) - 1;
$output = trim(implode(PHP_EOL, $lines));
$output .= sprintf(' (%s)', $this->timeUnit->getDestSuffix($this->timeUnit->resolveDestUnit($timeUnit), $this->timeUnit->resolveMode($outputMode)));
$this->output->write(sprintf("%s[0J", $output));
// clear rest of the line
}
/**
* It should return times and memories.
*/
public function testGetMetricValues()
{
$variant = new Variant($this->subject->reveal(), $this->parameterSet->reveal(), 1, 0);
$variant->createIteration(TestUtil::createResults(4, 100));
$variant->createIteration(TestUtil::createResults(8, 200));
$times = $variant->getMetricValuesByRev(TimeResult::class, 'net');
$memories = $variant->getMetricValues(MemoryResult::class, 'peak');
$this->assertEquals([4, 8], $times);
$this->assertEquals([100, 200], $memories);
}
