Diff Report
Run #519eb486908e7: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eb57e9174a: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519eb486908e7Run #519eb57e9174aDiffDiff%
Number of Function Calls119 119 0 0.0%
Incl. Wall Time (microsec)8,355 8,651 296 3.5%
Incl. Wall Time (microsec) per call 70 73 2 3.5%
Excl. Wall Time (microsec)2,381 2,372 -9 -0.4%
Incl. CPU (microsecs)5,909 6,040 131 2.2%
Incl. CPU (microsecs) per call 50 51 1 2.2%
Excl. CPU (microsec)2,080 2,071 -9 -0.4%
Incl. MemUse (bytes)45,832 45,832 0 0.0%
Incl. MemUse (bytes) per call 385 385 0 0.0%
Excl. MemUse (bytes)-56,044 -56,024 20 0.0%
Incl. PeakMemUse (bytes)40,452 42,836 2,384 5.9%
Incl. PeakMemUse (bytes) per call 340 360 20 5.9%
Excl. PeakMemUse (bytes)11,128 11,804 676 6.1%

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::checksumTags0 N/A% 296 16.9% 131 6.8% 0 0.0% 2,384 1.5%
Exclusive Metrics Diff for Current Function-9 -3.0% -9 -6.9% 20 N/A% 676 28.4%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 304 102.7% 139 106.1% 0 N/A% 2,384 100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -8 -2.7% -8 -6.1% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 292 98.6% 139 106.1% 0 N/A% 756 31.7%
drupal_static0 N/A% -19 -6.4% -23 -17.6% 0 N/A% 0 0.0%
array_keys0 N/A% 15 5.1% 9 6.9% -20 N/A% 828 34.7%
array_diff0 N/A% 9 3.0% 14 10.7% 0 N/A% 124 5.2%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 8 2.7% 6 4.6% 0 N/A% 0 0.0%
array_fill_keys0 N/A% 0 0.0% -5 -3.8% 0 N/A% 0 0.0%