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

Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksumRun #54e0a6d45fe2aRun #54e0a7d2151b1DiffDiff%
Number of Function Calls131 131 0 0.0%
Incl. Wall Time (microsec)4,324 4,165 -159 -3.7%
Incl. Wall Time (microsec) per call 33 32 -1 -3.7%
Excl. Wall Time (microsec)1,031 1,007 -24 -2.3%
Incl. CPU (microsecs)3,192 3,081 -111 -3.5%
Incl. CPU (microsecs) per call 24 24 -1 -3.5%
Excl. CPU (microsec)834 835 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)-292,864 -292,856 8 0.0%
Incl. PeakMemUse (bytes)70,080 70,208 128 0.2%
Incl. PeakMemUse (bytes) per call 535 536 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 Function-24 -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%