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

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519aa37b5bebdRun #519aa45581fb3DiffDiff%
Number of Function Calls94 95 1 1.1%
Incl. Wall Time (microsec)6,550 6,600 50 0.8%
Incl. Wall Time (microsec) per call 70 69 -0 -0.3%
Excl. Wall Time (microsec)2,289 2,361 72 3.1%
Incl. CPU (microsecs)5,952 6,124 172 2.9%
Incl. CPU (microsecs) per call 63 64 1 1.8%
Excl. CPU (microsec)2,000 2,065 65 3.2%
Incl. MemUse (bytes)69,632 70,152 520 0.7%
Incl. MemUse (bytes) per call 741 738 -2 -0.3%
Excl. MemUse (bytes)-85,440 -87,184 -1,744 -2.0%
Incl. PeakMemUse (bytes)74,544 77,656 3,112 4.2%
Incl. PeakMemUse (bytes) per call 793 817 24 3.1%
Excl. PeakMemUse (bytes)20,944 21,872 928 4.4%

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::checksumTags1 25.0% 50 0.7% 172 3.2% 520 0.2% 3,112 1.2%
Exclusive Metrics Diff for Current Function72 144.0% 65 37.8% -1,744 -335.4% 928 29.8%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem1 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_keys1 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_static1 33.3% -9 -18.0% -1 -0.6% 0 0.0% 0 0.0%
array_diff1 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%