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author | k0kubun <k0kubun@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-10-20 12:08:48 +0000 |
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committer | k0kubun <k0kubun@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-10-20 12:08:48 +0000 |
commit | b4728ae8561c8a61f070c6585d8b82622a8392ef (patch) | |
tree | a29c3a074e8ea0b3e0988658f141a8a4879b822d | |
parent | 09e82053b70bdd1aa753ef73650511e2324ec988 (diff) | |
download | ruby-b4728ae8561c8a61f070c6585d8b82622a8392ef.tar.gz |
NEWS: update about MJIT [ci skip]
Rails performance is somewhat improved by compaction. Still not great
though.
MinGW support is much stable now, and mswin support is added.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65239 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r-- | NEWS | 11 |
1 files changed, 3 insertions, 8 deletions
@@ -411,15 +411,10 @@ sufficient information, see the ChangeLog file or Redmine * <tt>--enable=jit</tt> option is added to enable JIT. <tt>--jit-verbose=1</tt> is good for inspection. See <tt>ruby --help</tt> for others. - * This JIT relies on C compiler used to build Ruby, on runtime. Only - gcc and clang are supported for the JIT for now, and MinGW support has - some issues. - * As of 2.6.0-preview1, we're just preparing infrastructure for JIT and - very few optimizations are implemented. So it's not ready for - benchmarking Ruby's JIT performance yet. It's known that current JIT - enablement makes Rails application slower for now. + * To generate machine code, this JIT compiler uses C compiler used for building + the interpreter. Currently GCC, Clang and Microsoft Visual C++ are supported for it. * rb_waitpid reimplemented on Unix-like platforms to maintain - compatibility [Bug #14867] + compatibility with processes created for JIT [Bug #14867] * VM generator script renewal; makes the generated VM more optimized. [GH-1779] |