Port classfile parsing improvements #10037
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Performance test finished successfully: Visit http://dotty-bench.epfl.ch/10037/ to see the changes. Benchmarks is based on merging with master (97da3cb) |
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Performance test finished successfully: Visit http://dotty-bench.epfl.ch/10037/ to see the changes. Benchmarks is based on merging with master (97da3cb) |
compiler/src/dotty/tools/dotc/core/classfile/ClassfileParser.scala
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Performance test finished successfully: Visit http://dotty-bench.epfl.ch/10037/ to see the changes. Benchmarks is based on merging with master (6098ec2) |
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test performance please |
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performance test scheduled: 1 job(s) in queue, 0 running. |
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Performance test finished successfully: Visit http://dotty-bench.epfl.ch/10037/ to see the changes. Benchmarks is based on merging with master (6098ec2) |
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compiler/src/dotty/tools/dotc/core/classfile/ClassfileParser.scala
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test performance please |
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performance test scheduled: 3 job(s) in queue, 1 running. |
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LGTM! I suggest squashing all commits into one to keep the history easy to read here, then the commit message can provide some context:
- It should mention that this PR is based/inspired by Make ClassfileParser more efficient, lazy, and less cycle prone. [ci: last-only] scala#6653, but also say that unlike scalac we already had lazy completers
- It should mention that more work is needed to get the ClassfileParser instances to not be kept in memory longer than needed as we discussed
- Since some part of the code are directly copied from Make ClassfileParser more efficient, lazy, and less cycle prone. [ci: last-only] scala#6653, it should include a
Co-authored-by: Jason Zaugg <jzaugg@gmail.com>
This commit ports the following PR from Scala 2: scala/scala#6653 Unlike Scala 2, we already had lazy completers. Co-authored-by: Jason Zaugg <jzaugg@gmail.com>
- We need to load the type `scala.deprecated` more lazily in compiling stdlib More work is needed to get the ClassfileParser instances to not be kept in memory longer than needed. Some ideas for further refactoring: - Make `pool` pass through as `DataReader`, and make a facade for them. As both have exactly the same life duration. - Move `MemberCompleter`, `AttributeCompleter` and `InnerClass` out of `ClassfileParser`.
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Performance test finished successfully: Visit http://dotty-bench.epfl.ch/10037/ to see the changes. Benchmarks is based on merging with master (ea64026) |
Port classfile parsing improvements