Diff Report
Run #5659123816918: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5659177493c27: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksum

Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksumRun #5659123816918Run #5659177493c27DiffDiff%
Number of Function Calls161 162 1 0.6%
Incl. Wall Time (microsec)3,862 4,033 171 4.4%
Incl. Wall Time (microsec) per call 24 25 1 3.8%
Excl. Wall Time (microsec)817 829 12 1.5%
Incl. MemUse (bytes)42,616 42,600 -16 -0.0%
Incl. MemUse (bytes) per call 265 263 -2 -0.7%
Excl. MemUse (bytes)-183,120 -184,056 -936 -0.5%
Incl. PeakMemUse (bytes)61,344 61,936 592 1.0%
Incl. PeakMemUse (bytes) per call 381 382 1 0.3%
Excl. PeakMemUse (bytes)1,280 1,280 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::calculateChecksum1 33.3% 171 1.9% -16 -0.1% 592 3.6%
Exclusive Metrics Diff for Current Function12 7.0% -936 -5850.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid1 100.0% 171 100.0% -16 -100.0% 592 100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::query0 0.0% 152 88.9% -56 -350.0% 592 100.0%
Drupal\Core\Database\Statement::fetchAllKeyed0 0.0% 7 4.1% 0 0.0% 0 0.0%
array_diff1 50.0% -5 -2.9% 64 400.0% 0 0.0%
array_keys1 50.0% 3 1.8% 912 5700.0% 0 0.0%
array_fill_keys0 0.0% 2 1.2% 0 0.0% 0 0.0%