Diff Report
Run #519bea9000214: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519be9a13e594: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519bea9000214Run #519be9a13e594DiffDiff%
Number of Function Calls104 103 -1 -1.0%
Incl. Wall Time (microsec)7,909 7,716 -193 -2.4%
Incl. Wall Time (microsec) per call 76 75 -1 -1.5%
Excl. Wall Time (microsec)2,097 2,085 -12 -0.6%
Incl. CPU (microsecs)5,470 5,445 -25 -0.5%
Incl. CPU (microsecs) per call 53 53 0 0.5%
Excl. CPU (microsec)1,853 1,818 -35 -1.9%
Incl. MemUse (bytes)41,516 41,228 -288 -0.7%
Incl. MemUse (bytes) per call 399 400 1 0.3%
Excl. MemUse (bytes)-49,484 -48,516 968 2.0%
Incl. PeakMemUse (bytes)43,888 43,332 -556 -1.3%
Incl. PeakMemUse (bytes) per call 422 421 -1 -0.3%
Excl. PeakMemUse (bytes)12,052 11,952 -100 -0.8%

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% -193 -5.1% -25 -1.1% -288 -1.1% -556 -2.2%
Exclusive Metrics Diff for Current Function-12 -6.2% -35 -140.0% 968 336.1% -100 -18.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem-1 -100.0% -211 -109.3% -25 -100.0% -288 -100.0% -556 -100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 0.0% 18 9.3% 0 0.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 0.0% -144 -74.6% 36 144.0% 0 0.0% 0 0.0%
drupal_static-1 -33.3% -21 -10.9% -16 -64.0% 0 0.0% 0 0.0%
array_diff-1 -33.3% -10 -5.2% 0 0.0% -88 -30.6% 0 0.0%
array_keys-1 -33.3% -3 -1.6% -7 -28.0% -1,168 -405.6% -456 -82.0%
array_fill_keys0 0.0% -3 -1.6% -2 -8.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 0.0% 0 0.0% -1 -4.0% 0 0.0% 0 0.0%