Diff Report
Run #544333b05173f: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #544337f542f97: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #544333b05173fRun #544337f542f97DiffDiff%
Number of Function Calls70 70 0 0.0%
Incl. Wall Time (microsec)3,908 3,918 10 0.3%
Incl. Wall Time (microsec) per call 56 56 0 0.3%
Excl. Wall Time (microsec)1,224 1,318 94 7.7%
Incl. CPU (microsecs)3,564 3,614 50 1.4%
Incl. CPU (microsecs) per call 51 52 1 1.4%
Excl. CPU (microsec)1,052 1,111 59 5.6%
Incl. MemUse (bytes)58,296 58,312 16 0.0%
Incl. MemUse (bytes) per call 833 833 0 0.0%
Excl. MemUse (bytes)-97,376 -97,464 -88 -0.1%
Incl. PeakMemUse (bytes)60,016 60,344 328 0.5%
Incl. PeakMemUse (bytes) per call 857 862 5 0.5%
Excl. PeakMemUse (bytes)11,616 11,520 -96 -0.8%

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


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 10 0.3% 50 0.6% 16 0.0% 328 0.3%
Exclusive Metrics Diff for Current Function94 940.0% 59 118.0% -88 -550.0% -96 -29.3%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 10 100.0% 50 100.0% 16 100.0% 328 100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -222 -2220.0% -136 -272.0% 16 100.0% 152 46.3%
array_diff0 N/A% 58 580.0% 40 80.0% 0 0.0% 8 2.4%
array_keys0 N/A% 37 370.0% 42 84.0% 96 600.0% 272 82.9%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 36 360.0% 26 52.0% -8 -50.0% -8 -2.4%
drupal_static0 N/A% 10 100.0% 22 44.0% 0 0.0% 0 0.0%
array_fill_keys0 N/A% -3 -30.0% -3 -6.0% 0 0.0% 0 0.0%