Diff Report
Run #51774cdfb1214: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51774c26bf054: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51774cdfb1214Run #51774c26bf054DiffDiff%
Number of Function Calls135 135 0 0.0%
Incl. Wall Time (microsec)6,090 6,342 252 4.1%
Incl. Wall Time (microsec) per call 45 47 2 4.1%
Excl. Wall Time (microsec)1,783 1,772 -11 -0.6%
Incl. CPU (microsecs)4,411 4,538 127 2.9%
Incl. CPU (microsecs) per call 33 34 1 2.9%
Excl. CPU (microsec)1,534 1,461 -73 -4.8%
Incl. MemUse (bytes)86,640 86,640 0 0.0%
Incl. MemUse (bytes) per call 642 642 0 0.0%
Excl. MemUse (bytes)-166,824 -166,800 24 0.0%
Incl. PeakMemUse (bytes)91,568 91,672 104 0.1%
Incl. PeakMemUse (bytes) per call 678 679 1 0.1%
Excl. PeakMemUse (bytes)20,008 20,120 112 0.6%

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% 252 1.0% 127 0.5% 0 0.0% 104 0.9%
Exclusive Metrics Diff for Current Function-11 -4.4% -73 -57.5% 24 N/A% 112 107.7%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 260 103.2% 136 107.1% 0 N/A% 104 100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -8 -3.2% -9 -7.1% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 197 78.2% 62 48.8% -16 N/A% 0 0.0%
array_keys0 N/A% 56 22.2% 76 59.8% -8 N/A% -8 -7.7%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 22 8.7% 22 17.3% 0 N/A% 0 0.0%
drupal_static0 N/A% -11 -4.4% 16 12.6% 0 N/A% 0 0.0%
array_diff0 N/A% -1 -0.4% 19 15.0% 0 N/A% 0 0.0%
array_fill_keys0 N/A% 0 0.0% 5 3.9% 0 N/A% 0 0.0%