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| author | Takashi Kokubun <takashikkbn@gmail.com> | 2021-05-31 22:00:14 -0700 |
|---|---|---|
| committer | Takashi Kokubun <takashikkbn@gmail.com> | 2021-05-31 22:01:04 -0700 |
| commit | 028f1887c2bfa50dcfc1b623470d6ab1b880fdde (patch) | |
| tree | 83a43cc96200796c267da0e80fbe8e32ed4081e8 | |
| parent | 2209e152c0ec2c0548c22b2b14e52007b74a9efb (diff) | |
| download | ruby-028f1887c2bfa50dcfc1b623470d6ab1b880fdde.tar.gz | |
Change the default --jit-max-cache to 10000
This is useful for large applications like Rails.
https://k0kubun.medium.com/ruby-3-jit-can-make-rails-faster-756310f235a
| -rw-r--r-- | NEWS.md | 5 | ||||
| -rw-r--r-- | mjit.c | 2 | ||||
| -rw-r--r-- | mjit_worker.c | 4 |
3 files changed, 7 insertions, 4 deletions
@@ -134,7 +134,9 @@ Excluding feature bug fixes. ### JIT -* `RubyVM::MJIT` is renamed to `RubyVM::JIT`. +* The default `--jit-max-cache` is changed from 100 to 10000. + +* `RubyVM::MJIT` is renamed to `RubyVM::JIT`. [[Feature #17490]] ## Static analysis @@ -162,5 +164,6 @@ Excluding feature bug fixes. [Feature #17411]: https://bugs.ruby-lang.org/issues/17411 [Bug #17423]: https://bugs.ruby-lang.org/issues/17423 [Feature #17479]: https://bugs.ruby-lang.org/issues/17479 +[Feature #17490]: https://bugs.ruby-lang.org/issues/17490 [Feature #17744]: https://bugs.ruby-lang.org/issues/17744 [Feature #17762]: https://bugs.ruby-lang.org/issues/17762 @@ -598,7 +598,7 @@ system_tmpdir(void) // Minimum value for JIT cache size. #define MIN_CACHE_SIZE 10 // Default permitted number of units with a JIT code kept in memory. -#define DEFAULT_MAX_CACHE_SIZE 100 +#define DEFAULT_MAX_CACHE_SIZE 10000 // A default threshold used to add iseq to JIT. #define DEFAULT_MIN_CALLS_TO_ADD 10000 diff --git a/mjit_worker.c b/mjit_worker.c index 306c8cbc71..6d9ce697e0 100644 --- a/mjit_worker.c +++ b/mjit_worker.c @@ -1396,9 +1396,9 @@ unload_units(void) void mjit_worker(void) { - // Allow only `max_cache_size / 10` times (default: 10) of compaction. + // Allow only `max_cache_size / 100` times (default: 100) of compaction. // Note: GC of compacted code has not been implemented yet. - int max_compact_size = mjit_opts.max_cache_size / 10; + int max_compact_size = mjit_opts.max_cache_size / 100; if (max_compact_size < 10) max_compact_size = 10; // Run unload_units after it's requested `max_cache_size / 10` (default: 10) times. |