Diff Report
Run #519b1ad213669: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519b1557bbc04: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519b1ad213669Run #519b1557bbc04DiffDiff%
Number of Function Calls100 99 -1 -1.0%
Incl. Wall Time (microsec)6,840 6,675 -165 -2.4%
Incl. Wall Time (microsec) per call 68 67 -1 -1.4%
Excl. Wall Time (microsec)2,443 2,361 -82 -3.4%
Incl. CPU (microsecs)6,359 6,174 -185 -2.9%
Incl. CPU (microsecs) per call 64 62 -1 -1.9%
Excl. CPU (microsec)2,130 2,054 -76 -3.6%
Incl. MemUse (bytes)72,752 72,232 -520 -0.7%
Incl. MemUse (bytes) per call 728 730 2 0.3%
Excl. MemUse (bytes)-108,168 -106,456 1,712 1.6%
Incl. PeakMemUse (bytes)86,664 79,560 -7,104 -8.2%
Incl. PeakMemUse (bytes) per call 867 804 -63 -7.3%
Excl. PeakMemUse (bytes)24,544 22,696 -1,848 -7.5%

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::checksumTags-1 -25.0% -165 -1.4% -185 -1.2% -520 -0.2% -7,104 -3.2%
Exclusive Metrics Diff for Current Function-82 -49.7% -76 -41.1% 1,712 329.2% -1,848 -26.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem-1 -100.0% -118 -71.5% -175 -94.6% -520 -100.0% -7,104 -100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 0.0% -47 -28.5% -10 -5.4% 0 0.0% 0 0.0%
Child functions
drupal_static-1 -33.3% -54 -32.7% -46 -24.9% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::query0 0.0% -36 -21.8% -79 -42.7% 0 0.0% -2,520 -35.5%
array_diff-1 -33.3% 12 7.3% 21 11.4% -168 -32.3% -352 -5.0%
array_keys-1 -33.3% -7 -4.2% -8 -4.3% -2,064 -396.9% -2,216 -31.2%
array_fill_keys0 0.0% 4 2.4% 7 3.8% 0 0.0% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 0.0% -2 -1.2% -4 -2.2% 0 0.0% -168 -2.4%