Diff Report
Run #519ec94fa4daa: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519ec8682c2dc: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519ec94fa4daaRun #519ec8682c2dcDiffDiff%
Number of Function Calls125 125 0 0.0%
Incl. Wall Time (microsec)6,286 7,383 1,097 17.5%
Incl. Wall Time (microsec) per call 50 59 9 17.5%
Excl. Wall Time (microsec)1,732 1,889 157 9.1%
Incl. CPU (microsecs)4,317 4,843 526 12.2%
Incl. CPU (microsecs) per call 35 39 4 12.2%
Excl. CPU (microsec)1,451 1,554 103 7.1%
Incl. MemUse (bytes)81,744 81,744 0 0.0%
Incl. MemUse (bytes) per call 654 654 0 0.0%
Excl. MemUse (bytes)-140,776 -140,816 -40 -0.0%
Incl. PeakMemUse (bytes)56,832 55,640 -1,192 -2.1%
Incl. PeakMemUse (bytes) per call 455 445 -10 -2.1%
Excl. PeakMemUse (bytes)10,984 10,792 -192 -1.7%

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% 1,097 3.3% 526 1.3% 0 0.0% -1,192 -0.2%
Exclusive Metrics Diff for Current Function157 14.3% 103 19.6% -40 N/A% -192 -16.1%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 1,114 101.5% 493 93.7% 0 N/A% -1,192 -100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -17 -1.5% 33 6.3% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 750 68.4% 187 35.6% 0 N/A% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 112 10.2% 119 22.6% 0 N/A% 0 0.0%
drupal_static0 N/A% 45 4.1% 58 11.0% 0 N/A% 0 0.0%
array_keys0 N/A% 40 3.6% 39 7.4% 40 N/A% -944 -79.2%
array_diff0 N/A% -7 -0.6% 19 3.6% 0 N/A% -56 -4.7%
array_fill_keys0 N/A% 0 0.0% 1 0.2% 0 N/A% 0 0.0%