Diff Report
Run #512a226436ce4: XHProf Run (Namespace=drupal-perf)
vs.
Run #512a1f7f217a6: XHProf Run (Namespace=drupal-perf)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #512a226436ce4Run #512a1f7f217a6DiffDiff%
Number of Function Calls117 107 -10 -8.5%
Incl. Wall Time (microsec)3,089 2,620 -469 -15.2%
Incl. Wall Time (microsec) per call 26 24 -2 -7.3%
Excl. Wall Time (microsec)1,275 1,113 -162 -12.7%
Incl. CPU (microsecs)4,000 0 -4,000 -100.0%
Incl. CPU (microsecs) per call 34 0 -34 -100.0%
Excl. CPU (microsec)4,000 0 -4,000 -100.0%
Incl. MemUse (bytes)117,328 107,160 -10,168 -8.7%
Incl. MemUse (bytes) per call 1,003 1,001 -1 -0.1%
Excl. MemUse (bytes)-166,408 -109,456 56,952 34.2%
Incl. PeakMemUse (bytes)153,296 118,992 -34,304 -22.4%
Incl. PeakMemUse (bytes) per call 1,310 1,112 -198 -15.1%
Excl. PeakMemUse (bytes)42,672 33,560 -9,112 -21.4%

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::checksumTags-10 -19.2% -469 -1.0% -4,000 -7.7% -10,168 -0.3% -34,304 -1.2%
Exclusive Metrics Diff for Current Function-162 -34.5% -4,000 -100.0% 56,952 560.1% -9,112 -26.6%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem-10 -100.0% -469 -100.0% -4,000 -100.0% -10,168 -100.0% -34,304 -100.0%
Child functions
Drupal\Core\Database\Connection::query-2 -4.8% -177 -37.7% 0 0.0% -10,416 -102.4% -10,120 -29.5%
array_diff-12 -28.6% -40 -8.5% 0 0.0% -3,024 -29.7% -2,624 -7.6%
drupal_static-10 -23.8% -32 -6.8% 0 0.0% 0 0.0% -824 -2.4%
Drupal\Core\Database\Statement::fetchAllAssoc-2 -4.8% -28 -6.0% 0 0.0% -3,168 -31.2% -1,768 -5.2%
array_keys-12 -28.6% -26 -5.5% 0 0.0% -50,048 -492.2% -9,400 -27.4%
Drupal\Core\Database\Database::getConnection-2 -4.8% -6 -1.3% 0 0.0% 0 0.0% -456 -1.3%
array_fill_keys-2 -4.8% 2 0.4% 0 0.0% -464 -4.6% 0 0.0%