UTF-8 to use upper-case four-digit hexadecimal escapes without braces
where possible [Feature #12419].
* test/ruby/test_string.rb (test_dump): Add tests for above.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55728 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
entry reference name of double quote.
[Bug#12609][ruby-core:76509]
Patch by Joseph Marrero. Thanks!!!
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55726 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* gc.c (run_finalizer): push and exec tag just once, instead of
protecting for each finalizer.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55722 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* gc.c (gc_start_internal, rb_gc_start): set finalizing flag
whenever calling deferred finalizers not to recurse.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55720 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* hash.c (rb_hash_add_new_element): add new element or do nothing
if it is contained already.
* array.c (ary_add_hash, ary_add_hash_by): use
rb_hash_add_new_element.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55707 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* common.mk, enc/depend (casefold.h, name2ctype.h): move to
unicode data directory per version.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55701 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* common.mk (INCFLAGS): move from Makefile.in.
* win32/Makefile.sub (XCFLAGS): missing directory is not
neccessary as an include path.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55698 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* common.mk, enc/Makefile.in: moved timestamp files for
directories under the specific directory, to get rid of match
with files under the source directory.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55696 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* common.mk, enc/Makefile.in: moved timestamp files for
directories under the specific directory, to get rid of match
with files under the source directory.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55693 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* util.c (ruby_strtod): do not underflow only by preceeding zeros,
which may be canceled out by the exponent.
http://twitter.com/kazuho/status/753829998767714305
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55689 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
on mswin CI, then force to prevent `vtm->subsecx` from GC. this is
experimental.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55688 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* enc/unicode/case-folding.rb, tool/enc-unicode.rb: check if
Unicode versions are consistent with each other.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55687 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* string.c (STR_BUF_MIN_SIZE): reduce from 128 to 127
[ruby-core:76371] [Feature #12025]
* string.c (rb_str_buf_new): adjust for above reduction
From Jeremy Evans <code@jeremyevans.net>:
This changes the minimum buffer size for string buffers from 128 to
127. The underlying C buffer is always 1 more than the ruby buffer,
so this changes the actual amount of memory used for the minimum
string buffer from 129 to 128. This makes it much easier on the
malloc implementation, as evidenced by the following code (note that
time -l is used here, but Linux systems may need time -v).
$ cat bench_mem.rb
i = ARGV.first.to_i
Array.new(1000000){" " * i}
$ /usr/bin/time -l ruby bench_mem.rb 128
3.10 real 2.19 user 0.46 sys
289080 maximum resident set size
72673 minor page faults
13 block output operations
29 voluntary context switches
$ /usr/bin/time -l ruby bench_mem.rb 127
2.64 real 2.09 user 0.27 sys
162720 maximum resident set size
40966 minor page faults
2 block output operations
4 voluntary context switches
To try to ensure a power-of-2 growth, when a ruby string capacity
needs to be increased, after doubling the capacity, add one. This
ensures the ruby capacity will be odd, which means actual amount
of memory used will be even, which is probably better than the
current case of the ruby capacity being even and the actual amount
of memory used being odd.
A very similar patch was proposed 4 years ago in feature #5875. It
ended up being rejected, because no performance increase was shown.
One reason for that is that ruby does not use STR_BUF_MIN_SIZE
unless rb_str_buf_new is called, and that previously did not have
a ruby API, only a C API, so unless you were using a C extension
that called it, there would be no performance increase.
With the recently proposed feature #12024, String.buffer is added,
which is a ruby API for creating string buffers. Using
String.buffer(100) wastes much less memory with this patch, as the
malloc implementation can more easily deal with the power-of-2
sized memory usage. As measured above, memory usage is 44% less,
and performance is 17% better.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55686 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* tool/enc-unicode.rb (data_foreach): check Unicode version in
data files, and yield each lines.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55685 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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