Diff Report
Run #523f527beec76: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523f531e517da: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #523f527beec76Run #523f531e517daDiffDiff%
Number of Function Calls115 115 0 0.0%
Incl. Wall Time (microsec)11,146 11,696 550 4.9%
Incl. Wall Time (microsec) per call 97 102 5 4.9%
Excl. Wall Time (microsec)2,168 2,292 124 5.7%
Incl. CPU (microsecs)7,514 7,613 99 1.3%
Incl. CPU (microsecs) per call 65 66 1 1.3%
Excl. CPU (microsec)1,763 1,887 124 7.0%
Incl. MemUse (bytes)97,024 97,024 0 0.0%
Incl. MemUse (bytes) per call 844 844 0 0.0%
Excl. MemUse (bytes)-317,680 -317,552 128 0.0%
Incl. PeakMemUse (bytes)116,576 116,592 16 0.0%
Incl. PeakMemUse (bytes) per call 1,014 1,014 0 0.0%
Excl. PeakMemUse (bytes)25,968 25,968 0 0.0%

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% 550 13.6% 99 1.4% 0 0.0% 16 0.1%
Exclusive Metrics Diff for Current Function124 22.5% 124 125.3% 128 N/A% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 550 100.0% 99 100.0% 0 N/A% 16 100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 399 72.5% -53 -53.5% -88 N/A% -24 -150.0%
drupal_static0 N/A% 21 3.8% 30 30.3% 0 N/A% 0 0.0%
array_keys0 N/A% 11 2.0% 8 8.1% -40 N/A% 40 250.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -7 -1.3% -2 -2.0% 0 N/A% 0 0.0%
array_fill_keys0 N/A% 2 0.4% 10 10.1% 0 N/A% 0 0.0%
array_diff0 N/A% 0 0.0% -18 -18.2% 0 N/A% 0 0.0%