Diff Report
Run #54e0a7d2151b1: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #54e0a6d45fe2a: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksum

Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksumRun #54e0a7d2151b1Run #54e0a6d45fe2aDiffDiff%
Number of Function Calls131 131 0 0.0%
Incl. Wall Time (microsec)4,165 4,324 159 3.8%
Incl. Wall Time (microsec) per call 32 33 1 3.8%
Excl. Wall Time (microsec)1,007 1,031 24 2.4%
Incl. CPU (microsecs)3,081 3,192 111 3.6%
Incl. CPU (microsecs) per call 24 24 1 3.6%
Excl. CPU (microsec)835 834 -1 -0.1%
Incl. MemUse (bytes)16,416 16,416 0 0.0%
Incl. MemUse (bytes) per call 125 125 0 0.0%
Excl. MemUse (bytes)-292,856 -292,864 -8 -0.0%
Incl. PeakMemUse (bytes)70,208 70,080 -128 -0.2%
Incl. PeakMemUse (bytes) per call 536 535 -1 -0.2%
Excl. PeakMemUse (bytes)3,808 3,808 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksum [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\DatabaseCacheTagsChecksum::calculateChecksum0 N/A% 159 21.5% 111 30.5% 0 0.0% -128 -1.2%
Exclusive Metrics Diff for Current Function24 15.1% -1 -0.9% -8 N/A% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% 159 100.0% 111 100.0% 0 N/A% -128 -100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 106 66.7% 54 48.6% 32 N/A% -144 -112.5%
array_diff0 N/A% 29 18.2% 51 45.9% 24 N/A% 0 0.0%
array_fill_keys0 N/A% 4 2.5% 7 6.3% 0 N/A% 0 0.0%
array_keys0 N/A% -2 -1.3% 0 0.0% -48 N/A% 16 12.5%
Drupal\Core\Database\Statement::fetchAllKeyed0 N/A% -2 -1.3% 0 0.0% 0 N/A% 0 0.0%