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View Code? Open in Web Editor NEWGraal Compiler Optimization Phases Data Dumper
Graal Compiler Optimization Phases Data Dumper
Making them synchronized
may be slow. Other solutions involve adding more complexity, methods, fields.
public static Foo getInstance() {
if (instance == null) {
/* HERE */
instance = new Foo();
}
return instance;
}
Suppose following:
instance
field is null
.getInstance()
and gets to /* HERE */
.getInstance()
, and as instance
field is still null
, it creates, saves and returns a new instance./* HERE */
. A new instance of Foo is created, saved and returned.For example, when you dump reports from this JAR file without renaming it, dump-browser won't display anything at all, even when you wan't to look at a different report.
http://repo.scalabench.org/snapshots/org/scalabench/benchmarks/scala-benchmark-suite/0.1.0-SNAPSHOT/scala-benchmark-suite-0.1.0-20120216.103539-3.jar
My proposed solution would be to dump metadata into another file and do not keep them in the filename. That's calling for trouble What if I name my program %20.jar
or a+b.jar
, this might also cause other problems...
So far, we are only working on dependency matrix collection. But there will be more tools, they will all need to export some data and they will all need some configuration. We should come up with a system to make everything work together.
We should consider:
If compilation can occur in multiple threads (and you use concurrent hash maps for phase dependency tracking), should perhaps the DependencyValue updates be atomic or synchronized ?
When running in CI, about half of build time is spent cloning Graal as a submodule. Shallow clones didn't work when the build system was first set up. We should determine if it's still the case and/or fix it.
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