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Bug: 260881207
Test: presubmit
Test: abtd app_compat_drm
Test: abtd app_compat_top_100
Test: abtd app_compat_banking
Change-Id: I34de0d083ec0bb476bb39cc31a2f64d15c80fe7b
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This CL would compile both CC and userfaultfd GC in the art library,
enabling us to choose either of the two during boot time depending on
whether the device has userfaultfd kernel feature or not.
The CC GC is still chosen unless we use ART_USE_READ_BARRIER=false
during build time. This behavior will later be changed to choosing CC
*only* if ART_USE_READ_BARRIER=true is used. In other cases, if the
device has userfaultfd support then that GC will be chosen.
Bug: 160737021
Bug: 230021033
Test: art/test/testrunner/testrunner.py
Change-Id: I370f1a9f6b8cdff8c2ce3cf7aa936bccd7ed675f
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Rewrite access to Thread's state and flags to use 32-bit
atomic operations. Avoid `volatile` accesses that prevent
compiler optimizations.
Change `ThreadState` and `ThreadFlag` to `enum class`es.
Golem results for art-opt-cc (higher is better):
linux-ia32 before after
NativeDowncallStaticNormal 28.162 35.323 (+25.43%)
NativeDowncallStaticNormal6 26.447 32.951 (+24.59%)
NativeDowncallStaticNormalRefs6
NativeDowncallVirtualNormal 27.972 35.027 (+25.22%)
NativeDowncallVirtualNormal6 26.096 32.131 (+23.13%)
NativeDowncallVirtualNormalRefs6 25.922 31.873 (+22.95%)
linux-x64 before after
NativeDowncallStaticNormal 26.987 34.380 (+27.40%)
NativeDowncallStaticNormal6 25.424 31.096 (+22.31%)
NativeDowncallStaticNormalRefs6 25.086 30.602 (+21.99%)
NativeDowncallVirtualNormal 26.812 33.234 (+23.95%)
NativeDowncallVirtualNormal6 25.086 30.617 (+22.05%)
NativeDowncallVirtualNormalRefs6 25.086 30.602 (+21.99%)
linux-armv7 before after
NativeDowncallStaticNormal 7.2394 7.9523 (+9.848%)
NativeDowncallStaticNormal6 6.8527 7.4888 (+9.283%)
NativeDowncallStaticNormalRefs6 6.3976 6.9444 (+8.547%)
NativeDowncallVirtualNormal 7.2081 7.9130 (+9.779%)
NativeDowncallVirtualNormal6 6.8527 7.4888 (+9.283%)
NativeDowncallVirtualNormalRefs6 6.3168 6.8527 (+8.483%)
linux-armv8 before after
NativeDowncallStaticNormal 7.0389 7.5973 (+7.933%)
NativeDowncallStaticNormal6 6.8527 7.3783 (+7.670%)
NativeDowncallStaticNormalRefs6 6.2924 6.8226 (+8.427%)
NativeDowncallVirtualNormal 6.8527 7.3783 (+7.670%)
NativeDowncallVirtualNormal6 6.5604 7.0423 (+7.344%)
NativeDowncallVirtualNormalRefs6 6.1408 6.5329 (+6.386%)
Test: m test-art-host-gtest
Test: testrunner.py --host --optimizing
Test: run-gtests.sh
Test: testrunner.py --target --optimizing --interpreter
Bug: 172332525
Bug: 143299880
Change-Id: Ib55d457ad8f5d9e1159b681dfd279d1f9cfb2af7
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Add templated versions of VisitObjects that accept visitors. This
allows to use more modern lambdas.
Test: m
Change-Id: I71a7f59bcae02090b9493bf8b477bb8b6ba649de
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