Diff Report
Run #54e0a77153dbf: 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 #54e0a77153dbfRun #54e0a6d45fe2aDiffDiff%
Number of Function Calls131 131 0 0.0%
Incl. Wall Time (microsec)4,285 4,324 39 0.9%
Incl. Wall Time (microsec) per call 33 33 0 0.9%
Excl. Wall Time (microsec)1,033 1,031 -2 -0.2%
Incl. CPU (microsecs)3,215 3,192 -23 -0.7%
Incl. CPU (microsecs) per call 25 24 -0 -0.7%
Excl. CPU (microsec)844 834 -10 -1.2%
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 -292,864 0 0.0%
Incl. PeakMemUse (bytes)70,080 70,080 0 0.0%
Incl. PeakMemUse (bytes) per call 535 535 0 0.0%
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% 39 2.2% -23 -1.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-2 -5.1% -10 -43.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% 39 100.0% -23 -100.0% 0 N/A% 0 N/A%
Child functions
array_diff0 N/A% 23 59.0% 26 113.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::query0 N/A% 19 48.7% -32 -139.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllKeyed0 N/A% -6 -15.4% -8 -34.8% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 4 10.3% 5 21.7% 0 N/A% 0 N/A%
array_keys0 N/A% 1 2.6% -4 -17.4% 0 N/A% 0 N/A%