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#20613 closed enhancement (fixed)

Reduce heap allocations (while rendering)

Reported by:	simon04	Owned by:	simon04
Priority:	normal	Milestone:	21.03
Component:	Core	Version:
Keywords:	template_report profiling heap alloc	Cc:

Description

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profile.html (1.5 MB) - added by simon04 3 years ago.

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Change History (17)

Changed 3 years ago by simon04

Attachment:	profile.html added

comment:1 Changed 3 years ago by simon04

In 17581/josm:

see #20613 - Avoid heap allocations in MapViewState.getOutsideRectangleFlags

4.74% in AbstractMapRendererPerformanceTestParent#testCity amount to Rectangle2D.Double from MapViewState

comment:2 Changed 3 years ago by simon04

In 17582/josm:

see #20613 - Avoid heap allocations in DividedScale.getWithRange

4.74% in AbstractMapRendererPerformanceTestParent#testCity amount to Range from DividedScale.getWithRange

comment:3 Changed 3 years ago by simon04

In 17583/josm:

see #20613 - Avoid heap allocations in AbstractSelector.matches

6.15%->1.92% in AbstractMapRendererPerformanceTestParent#testCity

comment:4 Changed 3 years ago by simon04

In 17584/josm:

see #20613 - Introduce Tagged.keys()

Avoids creating a temporary HashMap just for iteration purposes

comment:5 Changed 3 years ago by simon04

In 17585/josm:

see #20613 - Use Tagged.visitKeys()

Avoids creating a temporary HashMap just for iteration purposes

comment:6 Changed 3 years ago by simon04

In 17586/josm:

see #20613 - Use Tagged.keys() and Tagged.visitKeys()

comment:7 Changed 3 years ago by simon04

In 17587/josm:

see #20613 - AbstractPrimitive.keySet/keys: fix fast path for single key

comment:8 Changed 3 years ago by Don-vip

r17586 / r17587 cause a test failure:

org.openstreetmap.josm.gui.layer.gpx.ConvertToDataLayerActionTest.testFromTrack()

java.lang.NullPointerException: Cannot read the array length because "this.keys" is null
	at org.openstreetmap.josm.data.osm.AbstractPrimitive.visitKeys(AbstractPrimitive.java:451)
	at org.openstreetmap.josm.gui.layer.gpx.ConvertFromGpxLayerAction.filterDataSet(ConvertFromGpxLayerAction.java:176)
	at org.openstreetmap.josm.gui.layer.gpx.ConvertFromGpxLayerAction.convert(ConvertFromGpxLayerAction.java:115)
	at org.openstreetmap.josm.gui.layer.gpx.ConvertToDataLayerActionTest.testFromTrack(ConvertToDataLayerActionTest.java:127)
	at org.openstreetmap.josm.gui.layer.gpx.ConvertToDataLayerActionTest.testFromTrack(ConvertToDataLayerActionTest.java:81)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:688)
	at org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60)
...

See https://josm.openstreetmap.de/jenkins/job/JOSM/jdk=JDK8/lastCompletedBuild/testReport/org.openstreetmap.josm.gui.layer.gpx/ConvertToDataLayerActionTest/testFromTrack__/