Diff Report
Run #519a4774889dd: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #519a4887d3a25: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519a4774889ddRun #519a4887d3a25DiffDiff%
Number of Function Calls106 106 0 0.0%
Incl. Wall Time (microsec)29,258 149,982 120,724 412.6%
Incl. Wall Time (microsec) per call 276 1,415 1,139 412.6%
Excl. Wall Time (microsec)9,543 49,110 39,567 414.6%
Incl. CPU (microsecs)4,001 12,000 7,999 199.9%
Incl. CPU (microsecs) per call 38 113 75 199.9%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)109,760 109,760 0 0.0%
Incl. MemUse (bytes) per call 1,035 1,035 0 0.0%
Excl. MemUse (bytes)-213,920 -213,872 48 0.0%
Incl. PeakMemUse (bytes)176,208 175,480 -728 -0.4%
Incl. PeakMemUse (bytes) per call 1,662 1,655 -7 -0.4%
Excl. PeakMemUse (bytes)44,464 44,176 -288 -0.6%

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% 120,724 0.8% 7,999 199.9% 0 0.0% -728 -48.4%
Exclusive Metrics Diff for Current Function39,567 32.8% 0 0.0% 48 N/A% -288 -39.6%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 110,165 91.3% 7,999 100.0% 0 N/A% -728 -100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 10,559 8.7% 0 0.0% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 39,214 32.5% -1 -0.0% 0 N/A% -136 -18.7%
drupal_static0 N/A% 12,201 10.1% 4,000 50.0% 0 N/A% 0 0.0%
array_diff0 N/A% 11,954 9.9% 0 0.0% 0 N/A% -56 -7.7%
array_keys0 N/A% 10,809 9.0% 4,000 50.0% -48 N/A% -176 -24.2%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 6,309 5.2% 0 0.0% 0 N/A% -72 -9.9%
array_fill_keys0 N/A% 670 0.6% 0 0.0% 0 N/A% 0 0.0%