Diff Report
Run #5578e29590a73: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5578e32524136: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksum

Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksumRun #5578e29590a73Run #5578e32524136DiffDiff%
Number of Function Calls121 124 3 2.5%
Incl. Wall Time (microsec)4,648 4,650 2 0.0%
Incl. Wall Time (microsec) per call 38 38 -1 -2.4%
Excl. Wall Time (microsec)788 799 11 1.4%
Incl. MemUse (bytes)16,288 17,160 872 5.4%
Incl. MemUse (bytes) per call 135 138 4 2.8%
Excl. MemUse (bytes)-479,368 -493,472 -14,104 -2.9%
Incl. PeakMemUse (bytes)158,328 161,648 3,320 2.1%
Incl. PeakMemUse (bytes) per call 1,308 1,304 -5 -0.4%
Excl. PeakMemUse (bytes)5,224 5,352 128 2.5%

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::calculateChecksum3 33.3% 2 0.0% 872 0.2% 3,320 0.7%
Exclusive Metrics Diff for Current Function11 550.0% -14,104 -1617.4% 128 3.9%
Parent functions
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid2 66.7% -11 -550.0% 96 11.0% 3,320 100.0%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::getCurrentChecksum1 33.3% 13 650.0% 776 89.0% 0 0.0%
Child functions
array_keys3 50.0% -12 -600.0% 14,472 1659.6% 2,888 87.0%
array_diff3 50.0% 16 800.0% 504 57.8% 680 20.5%
array_fill_keys0 0.0% 1 50.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::query0 0.0% -18 -900.0% 0 0.0% -376 -11.3%
Drupal\Core\Database\Statement::fetchAllKeyed0 0.0% 4 200.0% 0 0.0% 0 0.0%