Diff Report
Run #519aa45581fb3: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519aa37b5bebd: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519aa45581fb3Run #519aa37b5bebdDiffDiff%
Number of Function Calls95 94 -1 -1.1%
Incl. Wall Time (microsec)6,600 6,550 -50 -0.8%
Incl. Wall Time (microsec) per call 69 70 0 0.3%
Excl. Wall Time (microsec)2,361 2,289 -72 -3.0%
Incl. CPU (microsecs)6,124 5,952 -172 -2.8%
Incl. CPU (microsecs) per call 64 63 -1 -1.8%
Excl. CPU (microsec)2,065 2,000 -65 -3.1%
Incl. MemUse (bytes)70,152 69,632 -520 -0.7%
Incl. MemUse (bytes) per call 738 741 2 0.3%
Excl. MemUse (bytes)-87,184 -85,440 1,744 2.0%
Incl. PeakMemUse (bytes)77,656 74,544 -3,112 -4.0%
Incl. PeakMemUse (bytes) per call 817 793 -24 -3.0%
Excl. PeakMemUse (bytes)21,872 20,944 -928 -4.2%

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::checksumTags-1 -25.0% -50 -0.7% -172 -3.2% -520 -0.2% -3,112 -1.2%
Exclusive Metrics Diff for Current Function-72 -144.0% -65 -37.8% 1,744 335.4% -928 -29.8%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem-1 -100.0% -82 -164.0% -159 -92.4% -520 -100.0% -3,112 -100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 0.0% 32 64.0% -13 -7.6% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 0.0% 47 94.0% -64 -37.2% 0 0.0% 88 2.8%
array_keys-1 -33.3% -17 -34.0% -27 -15.7% -2,096 -403.1% -2,016 -64.8%
Drupal\Core\Database\Statement::fetchAllAssoc0 0.0% -9 -18.0% -7 -4.1% 0 0.0% 0 0.0%
drupal_static-1 -33.3% 9 18.0% 1 0.6% 0 0.0% 0 0.0%
array_diff-1 -33.3% -8 -16.0% -12 -7.0% -168 -32.3% -256 -8.2%
array_fill_keys0 0.0% 0 0.0% 2 1.2% 0 0.0% 0 0.0%