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| author | Maxime Chevalier-Boisvert <maximechevalierb@gmail.com> | 2021-05-26 15:25:50 -0400 |
|---|---|---|
| committer | Alan Wu <XrXr@users.noreply.github.com> | 2021-10-20 18:19:35 -0400 |
| commit | b415ceb92e464011a9326c9cb5e15a84c39da330 (patch) | |
| tree | 5b42a1b39408a81d60215929b4f6e138e3ab57b8 /README.md | |
| parent | 764740c6615292dc994707b964c135871149fb2b (diff) | |
Increase default YJIT call threshold to 10. Add exec mem size arg. (#52)
Diffstat (limited to 'README.md')
| -rw-r--r-- | README.md | 13 |
1 files changed, 7 insertions, 6 deletions
@@ -82,11 +82,12 @@ The machine code generated for a given method can be printed by adding `puts YJI YJIT supports all command-line options supported by upstream CRuby, but also adds a few YJIT-specific options: - - `--disable-yjit`: turn off YJIT (enabled by default) - - `--yjit-stats`: produce statistics after the execution of a program (must compile with `cppflags=-DRUBY_DEBUG` to use this) - - `--yjit-call-threshold=N`: number of calls after which YJIT begins to compile a function (default 2) - - `--yjit-version-limit=N`: maximum number of versions to generate per basic block (default 4) - - `--yjit-greedy-versioning`: greedy versioning mode (disabled by default, may increase code size) +- `--disable-yjit`: turn off YJIT (enabled by default) +- `--yjit-stats`: produce statistics after the execution of a program (must compile with `cppflags=-DRUBY_DEBUG` to use this) +- `--yjit-exec-mem-size=N`: size of the executable memory block to allocate (default 256 MiB) +- `--yjit-call-threshold=N`: number of calls after which YJIT begins to compile a function (default 2) +- `--yjit-version-limit=N`: maximum number of versions to generate per basic block (default 4) +- `--yjit-greedy-versioning`: greedy versioning mode (disabled by default, may increase code size) ### Benchmarking @@ -142,7 +143,7 @@ The core of CRuby's interpreter logic is found in: - `vm_insnshelper.c`: logic used by Ruby's bytecode instructions - `vm_exec.c`: Ruby interpreter loop -### Coding & Debugging Protips +### Coding & Debugging Protips There are 3 test suites: - `make btest` (see `/bootstraptest`) |