Diff Report
Run #519a4774889dd: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #519a496084867: 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 #519a496084867DiffDiff%
Number of Function Calls106 106 0 0.0%
Incl. Wall Time (microsec)29,258 47,604 18,346 62.7%
Incl. Wall Time (microsec) per call 276 449 173 62.7%
Excl. Wall Time (microsec)9,543 15,514 5,971 62.6%
Incl. CPU (microsecs)4,001 4,001 0 0.0%
Incl. CPU (microsecs) per call 38 38 0 0.0%
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 -213,952 -32 -0.0%
Incl. PeakMemUse (bytes)176,208 176,560 352 0.2%
Incl. PeakMemUse (bytes) per call 1,662 1,666 3 0.2%
Excl. PeakMemUse (bytes)44,464 44,696 232 0.5%

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% 18,346 0.7% 0 0.0% 0 0.0% 352 2.4%
Exclusive Metrics Diff for Current Function5,971 32.5% 0 N/A% -32 N/A% 232 65.9%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 16,778 91.5% 0 N/A% 0 N/A% 352 100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 1,568 8.5% 0 N/A% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 6,054 33.0% -4,001 N/A% 0 N/A% -40 -11.4%
drupal_static0 N/A% 1,905 10.4% 0 N/A% 0 N/A% 0 0.0%
array_diff0 N/A% 1,709 9.3% 4,001 N/A% 0 N/A% 184 52.3%
array_keys0 N/A% 1,619 8.8% 0 N/A% 32 N/A% -24 -6.8%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 986 5.4% 0 N/A% 0 N/A% 0 0.0%
array_fill_keys0 N/A% 102 0.6% 0 N/A% 0 N/A% 0 0.0%