Diff Report
Run #52e49b394aea8: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e49acfb0eb8: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #52e49b394aea8Run #52e49acfb0eb8DiffDiff%
Number of Function Calls64 63 -1 -1.6%
Incl. Wall Time (microsec)25,676 25,458 -218 -0.8%
Incl. Wall Time (microsec) per call 401 404 3 0.7%
Excl. Wall Time (microsec)1,773 1,775 2 0.1%
Incl. CPU (microsecs)17,169 17,043 -126 -0.7%
Incl. CPU (microsecs) per call 268 271 2 0.8%
Excl. CPU (microsec)1,598 1,571 -27 -1.7%
Incl. MemUse (bytes)1,838,816 1,835,720 -3,096 -0.2%
Incl. MemUse (bytes) per call 28,732 29,138 407 1.4%
Excl. MemUse (bytes)-415,864 -411,528 4,336 1.0%
Incl. PeakMemUse (bytes)2,539,504 2,540,064 560 0.0%
Incl. PeakMemUse (bytes) per call 39,680 40,318 639 1.6%
Excl. PeakMemUse (bytes)190,592 189,960 -632 -0.3%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::getMultiple [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::getMultiple-1 -16.7% -218 -19.7% -126 -15.5% -3,096 -12.0% 560 2.1%
Exclusive Metrics Diff for Current Function2 0.9% -27 -21.4% 4,336 140.1% -632 -112.9%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get-1 -100.0% -242 -111.0% -161 -127.8% -3,104 -100.3% 336 60.0%
Drupal\Core\Config\CachedStorage::readMultiple0 0.0% 24 11.0% 35 27.8% 8 0.3% 224 40.0%
Child functions
Drupal\Core\Database\Connection::query-1 -20.0% -191 -87.6% -103 -81.7% -5,848 -188.9% 184 32.9%
Drupal\Core\Cache\DatabaseBackend::prepareItem-1 -20.0% -22 -10.1% -7 -5.6% -952 -30.7% 976 174.3%
array_diff-1 -20.0% -13 -6.0% 0 0.0% -168 -5.4% 0 0.0%
Drupal\Core\Database\Connection::escapeTable-1 -20.0% 6 2.8% 4 3.2% -80 -2.6% 32 5.7%
array_keys-1 -20.0% 0 0.0% 7 5.6% -384 -12.4% 0 0.0%