Diff Report
Run #51c6814c41b47: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51c6824f48b42: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51c6814c41b47Run #51c6824f48b42DiffDiff%
Number of Function Calls 107 107 N/A%
Incl. Wall Time (microsec) 8,101 8,101 N/A%
Incl. Wall Time (microsec) per call N/A 76 76 N/A%
Excl. Wall Time (microsec) 1,951 1,951 N/A%
Incl. CPU (microsecs) 5,646 5,646 N/A%
Incl. CPU (microsecs) per call N/A 53 53 N/A%
Excl. CPU (microsec) 1,678 1,678 N/A%
Incl. MemUse (bytes) 73,600 73,600 N/A%
Incl. MemUse (bytes) per call N/A 688 688 N/A%
Excl. MemUse (bytes) -73,208 -73,208 N/A%
Incl. PeakMemUse (bytes) 64,216 64,216 N/A%
Incl. PeakMemUse (bytes) per call N/A 600 600 N/A%
Excl. PeakMemUse (bytes) 10,024 10,024 N/A%

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::checksumTags107 21.7% 8,101 0.7% 5,646 0.5% 73,600 0.4% 64,216 0.3%
Exclusive Metrics Diff for Current Function1,951 24.1% 1,678 29.7% -73,208 -99.5% 10,024 15.6%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem105 98.1% 7,716 95.2% 5,411 95.8% 70,072 95.2% 58,656 91.3%
Drupal\Core\Cache\DatabaseBackend::prepareItem@11 0.9% 365 4.5% 214 3.8% 2,208 3.0% 5,560 8.7%
Drupal\Core\Cache\DatabaseBackend::doSet1 0.9% 20 0.2% 21 0.4% 1,320 1.8% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query11 2.9% 4,364 53.9% 1,843 32.6% 44,744 60.8% 31,312 48.8%
drupal_static107 28.5% 600 7.4% 688 12.2% 1,112 1.5% 2,016 3.1%
array_keys118 31.4% 372 4.6% 498 8.8% 70,528 95.8% 9,816 15.3%
array_diff118 31.4% 357 4.4% 455 8.1% 14,400 19.6% 8,504 13.2%
Drupal\Core\Database\Statement::fetchAllAssoc11 2.9% 432 5.3% 446 7.9% 14,056 19.1% 2,544 4.0%
array_fill_keys11 2.9% 25 0.3% 38 0.7% 1,968 2.7% 0 0.0%