Diff Report
Run #560d8088818a3: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #560d7dac0c098: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\ChainedFastBackend::getLastWriteTimestamp

Drupal\Core\Cache\ChainedFastBackend::getLastWriteTimestampRun #560d8088818a3Run #560d7dac0c098DiffDiff%
Number of Function Calls45 45 0 0.0%
Incl. Wall Time (microsec)1,160 1,325 165 14.2%
Incl. Wall Time (microsec) per call 26 29 4 14.2%
Excl. Wall Time (microsec)31 33 2 6.5%
Incl. MemUse (bytes)1,688 1,688 0 0.0%
Incl. MemUse (bytes) per call 38 38 0 0.0%
Excl. MemUse (bytes)-3,784 -3,784 0 0.0%
Incl. PeakMemUse (bytes)74,336 73,664 -672 -0.9%
Incl. PeakMemUse (bytes) per call 1,652 1,637 -15 -0.9%
Excl. PeakMemUse (bytes)96 96 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\ChainedFastBackend::getLastWriteTimestamp [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Cache\ChainedFastBackend::getLastWriteTimestamp0 N/A% 165 1.2% 0 0.0% -672 -2.4%
Exclusive Metrics Diff for Current Function2 1.2% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Cache\ChainedFastBackend::getMultiple0 N/A% 165 100.0% 0 N/A% -672 -100.0%
Child function
Drupal\Core\Cache\DatabaseBackend::get0 N/A% 163 98.8% 0 N/A% -672 -100.0%