Diff Report
Run #565918537d922: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5659186b7d6e0: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksum

Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksumRun #565918537d922Run #5659186b7d6e0DiffDiff%
Number of Function Calls16,350 16,450 100 0.6%
Incl. Wall Time (microsec)408,801 419,534 10,733 2.6%
Incl. Wall Time (microsec) per call 25 26 1 2.0%
Excl. Wall Time (microsec)84,501 85,140 639 0.8%
Incl. MemUse (bytes)4,297,248 4,296,048 -1,200 -0.0%
Incl. MemUse (bytes) per call 263 261 -2 -0.6%
Excl. MemUse (bytes)-18,826,760 -18,915,760 -89,000 -0.5%
Incl. PeakMemUse (bytes)6,192,592 6,250,000 57,408 0.9%
Incl. PeakMemUse (bytes) per call 379 380 1 0.3%
Excl. PeakMemUse (bytes)127,920 127,920 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksum [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksum100 33.3% 10,733 2.3% -1,200 -0.1% 57,408 3.8%
Exclusive Metrics Diff for Current Function639 6.0% -89,000 -7416.7% 0 0.0%
Parent functions
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid100 100.0% 10,747 100.1% -1,200 -100.0% 57,408 100.0%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::getCurrentChecksum0 0.0% -14 -0.1% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::query0 0.0% 8,550 79.7% -4,584 -382.0% 57,328 99.9%
array_keys100 50.0% 639 6.0% 84,440 7036.7% 0 0.0%
array_diff100 50.0% 554 5.2% 7,960 663.3% 80 0.1%
Drupal\Core\Database\Statement::fetchAllKeyed0 0.0% 358 3.3% -16 -1.3% 0 0.0%
array_fill_keys0 0.0% -7 -0.1% 0 0.0% 0 0.0%