Diff Report
Run #519b0e62696b0: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519b130ea93e9: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519b0e62696b0Run #519b130ea93e9DiffDiff%
Number of Function Calls96 97 1 1.0%
Incl. Wall Time (microsec)6,477 6,825 348 5.4%
Incl. Wall Time (microsec) per call 67 70 3 4.3%
Excl. Wall Time (microsec)2,305 2,405 100 4.3%
Incl. CPU (microsecs)6,026 6,254 228 3.8%
Incl. CPU (microsecs) per call 63 64 2 2.7%
Excl. CPU (microsec)2,001 2,096 95 4.7%
Incl. MemUse (bytes)70,672 71,192 520 0.7%
Incl. MemUse (bytes) per call 736 734 -2 -0.3%
Excl. MemUse (bytes)-87,504 -89,256 -1,752 -2.0%
Incl. PeakMemUse (bytes)75,880 77,872 1,992 2.6%
Incl. PeakMemUse (bytes) per call 790 803 12 1.6%
Excl. PeakMemUse (bytes)20,696 22,024 1,328 6.4%

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::checksumTags1 25.0% 348 6.2% 228 9.9% 520 0.3% 1,992 1.1%
Exclusive Metrics Diff for Current Function100 28.7% 95 41.7% -1,752 -336.9% 1,328 66.7%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem1 100.0% 344 98.9% 220 96.5% 520 100.0% 760 38.2%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 0.0% 4 1.1% 8 3.5% 0 0.0% 1,232 61.8%
Child functions
Drupal\Core\Database\Statement::fetchAllAssoc0 0.0% 50 14.4% 51 22.4% 0 0.0% -304 -15.3%
array_keys1 33.3% 25 7.2% 45 19.7% 2,096 403.1% 2,504 125.7%
Drupal\Core\Database\Connection::query0 0.0% 131 37.6% 20 8.8% 8 1.5% -1,776 -89.2%
drupal_static1 33.3% 20 5.7% 10 4.4% 0 0.0% 0 0.0%
array_fill_keys0 0.0% 0 0.0% 4 1.8% 0 0.0% 0 0.0%
array_diff1 33.3% 22 6.3% 3 1.3% 168 32.3% 240 12.0%