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* Stop making a redundant hash copy in Hash#dup (#2489)Dylan Thacker-Smith2019-10-211-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Stop making a redundant hash copy in Hash#dup It was making a copy of the hash without rehashing, then created an extra copy of the hash to do the rehashing. Since rehashing creates a new copy already, this change just uses that rehashing to make the copy. [Bug #16121] * Remove redundant Check_Type after to_hash * Fix freeing and clearing destination hash in Hash#initialize_copy The code was assuming the state of the destination hash based on the source hash for clearing any existing table on it. If these don't match, then that can cause the old table to be leaked. This can be seen by compiling hash.c with `#define HASH_DEBUG 1` and running the following script, which will crash from a debug assertion. ```ruby h = 9.times.map { |i| [i, i] }.to_h h.send(:initialize_copy, {}) ``` * Remove dead code paths in rb_hash_initialize_copy Given that `RHASH_ST_TABLE_P(h)` is defined as `(!RHASH_AR_TABLE_P(h))` it shouldn't be possible for a hash to be neither of these, so there is no need for the removed `else if` blocks. * Share implementation between Hash#replace and Hash#initialize_copy This also fixes key rehashing for small hashes backed by an array table for Hash#replace. This used to be done consistently in ruby 2.5.x, but stopped being done for small arrays in ruby 2.6.x. This also bring optimization improvements that were done for Hash#initialize_copy to Hash#replace. * Add the Hash#dup benchmark
* Optimize Array#flatten and flatten! for already flattened arrays (#2495)Dylan Thacker-Smith2019-09-281-0/+19
| | | | | | | * Optimize Array#flatten and flatten! for already flattened arrays * Add benchmark for Array#flatten and Array#flatten! [Bug #16119]
* Reduce ISeq size of mjit_exec benchmarkTakashi Kokubun2019-09-264-22/+15
| | | | to avoid unwanted memory pressure
* Add special runner to benchmark mjit_execTakashi Kokubun2019-09-265-46/+268
| | | | | I wanted to dynamically generate benchmark cases to test various number of methods. Thus I added a dedicated runner of benchmark-driver.
* Add a benchmark for JIT-ed code dispatchTakashi Kokubun2019-09-211-0/+46
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* reuse cc->call卜部昌平2019-09-191-0/+25
| | | | | | | | | | | | | | | | | | | | | I noticed that in case of cache misshit, re-calculated cc->me can be the same method entry than the pevious one. That is an okay situation but can't we partially reuse the cache, because cc->call should still be valid then? One thing that has to be special-cased is when the method entry gets amended by some refinements. That happens behind-the-scene of call cache mechanism. We have to check if cc->me->def points to the previously saved one. Calculating ------------------------------------- trunk ours vm2_poly_same_method 1.534M 2.025M i/s - 6.000M times in 3.910203s 2.962752s Comparison: vm2_poly_same_method ours: 2025143.9 i/s trunk: 1534447.2 i/s - 1.32x slower
* Add a benchmark for opt_regexpmatch2Takashi Kokubun2019-09-021-0/+2
| | | | vm2_regexp was for opt_regexpmatch1.
* Close created files [ci skip]Nobuyoshi Nakada2019-08-102-10/+2
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* Fix typo in comment [ci skip]Masato Ohba2019-08-101-1/+1
| | | s/Thtread/Thread
* n+1 to include n in rangeYaw Boakye2019-08-051-1/+1
| | | | | | Python's range stop right before n, which means factL never returns the correct result. Closes: https://github.com/ruby/ruby/pull/1982
* Revert "Revert "Add a specialized instruction for `.nil?` calls""Yusuke Endoh2019-08-021-0/+9
| | | | | | This reverts commit a0980f2446c0db735b8ffeb37e241370c458a626. Retry for macOS Mojave.
* Revert "Add a specialized instruction for `.nil?` calls"Yusuke Endoh2019-08-021-9/+0
| | | | | | | | | | This reverts commit 9faef3113fb4331524b81ba73005ba13fa0ef6c6. It seemed to cause a failure on macOS Mojave, though I'm unsure how. https://rubyci.org/logs/rubyci.s3.amazonaws.com/osx1014/ruby-master/log/20190802T034503Z.fail.html.gz This tentative revert is to check if the issue is actually caused by the change or not.
* Add a specialized instruction for `.nil?` callsAaron Patterson2019-07-311-0/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit adds a specialized instruction for called to `.nil?`. It is about 27% faster than master in the case where the object is nil or not nil. In the case where an object implements `nil?`, I think it may be slightly slower. Here is a benchmark: ```ruby require "benchmark/ips" class Niller def nil?; true; end end not_nil = Object.new xnil = nil niller = Niller.new Benchmark.ips do |x| x.report("nil?") { xnil.nil? } x.report("not nil") { not_nil.nil? } x.report("niller") { niller.nil? } end ``` On Ruby master: ``` [aaron@TC ~/g/ruby (master)]$ ./ruby compil.rb Warming up -------------------------------------- nil? 429.195k i/100ms not nil 437.889k i/100ms niller 437.935k i/100ms Calculating ------------------------------------- nil? 20.166M (± 8.1%) i/s - 100.002M in 5.002794s not nil 20.046M (± 7.6%) i/s - 99.839M in 5.020086s niller 22.467M (± 6.1%) i/s - 112.111M in 5.013817s [aaron@TC ~/g/ruby (master)]$ ./ruby compil.rb Warming up -------------------------------------- nil? 449.660k i/100ms not nil 433.836k i/100ms niller 443.073k i/100ms Calculating ------------------------------------- nil? 19.997M (± 8.8%) i/s - 99.375M in 5.020458s not nil 20.529M (± 7.0%) i/s - 102.385M in 5.020689s niller 21.796M (± 8.0%) i/s - 108.110M in 5.002300s [aaron@TC ~/g/ruby (master)]$ ./ruby compil.rb Warming up -------------------------------------- nil? 402.119k i/100ms not nil 438.968k i/100ms niller 398.226k i/100ms Calculating ------------------------------------- nil? 20.050M (±12.2%) i/s - 98.519M in 5.008817s not nil 20.614M (± 8.0%) i/s - 102.280M in 5.004531s niller 22.223M (± 8.8%) i/s - 110.309M in 5.013106s ``` On this branch: ``` [aaron@TC ~/g/ruby (specialized-nilp)]$ ./ruby compil.rb Warming up -------------------------------------- nil? 468.371k i/100ms not nil 456.517k i/100ms niller 454.981k i/100ms Calculating ------------------------------------- nil? 27.849M (± 7.8%) i/s - 138.169M in 5.001730s not nil 26.417M (± 8.7%) i/s - 131.020M in 5.011674s niller 21.561M (± 7.5%) i/s - 107.376M in 5.018113s [aaron@TC ~/g/ruby (specialized-nilp)]$ ./ruby compil.rb Warming up -------------------------------------- nil? 477.259k i/100ms not nil 428.712k i/100ms niller 446.109k i/100ms Calculating ------------------------------------- nil? 28.071M (± 7.3%) i/s - 139.837M in 5.016590s not nil 25.789M (±12.9%) i/s - 126.470M in 5.011144s niller 20.002M (±12.2%) i/s - 98.144M in 5.001737s [aaron@TC ~/g/ruby (specialized-nilp)]$ ./ruby compil.rb Warming up -------------------------------------- nil? 467.676k i/100ms not nil 445.791k i/100ms niller 415.024k i/100ms Calculating ------------------------------------- nil? 26.907M (± 8.0%) i/s - 133.755M in 5.013915s not nil 25.319M (± 7.9%) i/s - 125.713M in 5.007758s niller 19.569M (±11.8%) i/s - 96.286M in 5.008533s ``` Co-Authored-By: Ashe Connor <kivikakk@github.com>
* Explain what's benchmark/lib/load.rb [ci skip]Takashi Kokubun2019-07-201-0/+16
| | | | I'm actually not using this, but ko1 is.
* Add note about setting `vm.max_map_count` for Linux.Samuel Williams2019-07-181-0/+2
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* Add benchmark to help diagnose performance regression.Samuel Williams2019-07-181-0/+12
| | | | See https://bugs.ruby-lang.org/issues/16009 for more details.
* * remove trailing spaces.Nobuyoshi Nakada2019-07-122-3/+3
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* Improved fiber benchmarks. Increase number of iterations.Samuel Williams2019-07-126-41/+67
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* Adjust memory_status.rb under the tool directory.Hiroshi SHIBATA2019-07-021-1/+1
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* Use realpath(3) instead of custom realpath implementation if availableJeremy Evans2019-07-011-0/+30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | This approach is simpler than the previous approach which tries to emulate realpath(3). It also performs much better on both Linux and OpenBSD on the included benchmarks. By using realpath(3), we can better integrate with system security features such as OpenBSD's unveil(2) system call. This does not use realpath(3) on Windows even if it exists, as the approach for checking for absolute paths does not work for drive letters. This can be fixed without too much difficultly, though until Windows defines realpath(3), there is no need to do so. For File.realdirpath, where the last element of the path is not required to exist, fallback to the previous approach, as realpath(3) on most operating systems requires the whole path be valid (per POSIX), and the operating systems where this isn't true either plan to conform to POSIX or may change to conform to POSIX in the future. glibc realpath(3) does not handle /path/to/file.rb/../other_file.rb paths, returning ENOTDIR in that case. Fallback to the previous code if realpath(3) returns ENOTDIR. glibc doesn't like realpath(3) usage for paths like /dev/fd/5, returning ENOENT even though the path may appear to exist in the filesystem. If ENOENT is returned and the path exists, then fall back to the default approach.
* Improve benchmarks and tests for threads.Samuel Williams2019-06-196-11/+17
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* Make sure to suppress .irbrc on benchmarkTakashi Kokubun2019-06-101-2/+2
| | | | | | | | | | | | | | | | | | | | | | | By the way, this is already improved by nobu: ``` $ benchmark-driver benchmark/irb_exec.yml --rbenv '2.6.3;2.7.0-preview1;before;after' -v 2.6.3: ruby 2.6.3p62 (2019-04-16 revision 67580) [x86_64-linux] 2.7.0-preview1: ruby 2.7.0preview1 (2019-05-31 trunk c55db6aa271df4a689dc8eb0039c929bf6ed43ff) [x86_64-linux] before: ruby 2.7.0dev (2019-06-10T21:13:14+09:00 master 973fd18f11) [x86_64-linux] after: ruby 2.7.0dev (2019-06-10T21:18:56+09:00 master 976c689ad4) [x86_64-linux] Calculating ------------------------------------- 2.6.3 2.7.0-preview1 before after irb_exec 11.868 5.872 6.297 10.278 i/s - 30.000 times in 2.527776s 5.108997s 4.764167s 2.918821s Comparison: irb_exec 2.6.3: 11.9 i/s after: 10.3 i/s - 1.15x slower before: 6.3 i/s - 1.88x slower 2.7.0-preview1: 5.9 i/s - 2.02x slower ```
* Add a benchmark of irb boot timeTakashi Kokubun2019-06-101-0/+10
| | | | | | | | | | | | | | ``` $ benchmark-driver benchmark/irb_exec.yml --rbenv '2.6.3;2.7.0-preview1' Calculating ------------------------------------- 2.6.3 2.7.0-preview1 irb_exec 11.844 5.171 i/s - 30.000 times in 2.532887s 5.801960s Comparison: irb_exec 2.6.3: 11.8 i/s 2.7.0-preview1: 5.2 i/s - 2.29x slower ```
* Optimize CGI.escapeHTML by reducing buffer extensionTakashi Kokubun2019-06-051-0/+40
| | | | | | | | | | | | | | | and switch-case branches. Buffer allocation optimization using `ALLOCA_N` would be the main benefit of patch. It eliminates the O(N) buffer extensions. It also reduces the number of branches using escape table like https://mattn.kaoriya.net/software/lang/c/20160817011915.htm. Closes: https://github.com/ruby/ruby/pull/2226 Co-authored-by: Nobuyoshi Nakada <nobu@ruby-lang.org> Co-authored-by: Yasuhiro MATSUMOTO <mattn.jp@gmail.com>
* Revert "Optimize CGI.escapeHTML by reducing buffer extension"Takashi Kokubun2019-06-051-40/+0
| | | | | | | This reverts commit 8d81e59aa7a62652caf85f9c8db371703668c149. `ALLOCA_N` does not check stack overflow unlike ALLOCV. I'll fix it and re-commit it again.
* Optimize CGI.escapeHTML by reducing buffer extensionTakashi Kokubun2019-06-051-0/+40
| | | | | | | | | | | | | | | and switch-case branches. Buffer allocation optimization using `ALLOCA_N` would be the main benefit of patch. It eliminates the O(N) buffer extensions. It also reduces the number of branches using escape table like https://mattn.kaoriya.net/software/lang/c/20160817011915.htm. Closes: https://github.com/ruby/ruby/pull/2226 Co-authored-by: Nobuyoshi Nakada <nobu@ruby-lang.org> Co-authored-by: Yasuhiro MATSUMOTO <mattn.jp@gmail.com>
* Add a benchmark using IRB::ColorTakashi Kokubun2019-06-011-0/+13
| | | | | | | I heard actually this part would not be a bottleneck for rendering because writing anything to terminal takes way longer time anyway, but I thought this benchmark script might be useful for benchmarking Ruby itself.
* Reduce ONIG_NREGION from 10 to 4: power of 2 and testing revealed most ↵Lourens Naudé2019-05-072-0/+2
| | | | | | pattern matches are less than or equal to 4 results Closes: https://github.com/ruby/ruby/pull/2135
* Improve performance of case-conversion methodsNobuyoshi Nakada2019-05-034-0/+40
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* string.c: improve splitting into charsnobu2019-04-171-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | * string.c (rb_str_split_m): improve splitting into chars by an empty string, without a regexp. Comparison: to_chars-1 built-ruby: 1273527.6 i/s compare-ruby: 189423.3 i/s - 6.72x slower to_chars-10 built-ruby: 120993.5 i/s compare-ruby: 37075.8 i/s - 3.26x slower to_chars-100 built-ruby: 15646.4 i/s compare-ruby: 4012.1 i/s - 3.90x slower to_chars-1000 built-ruby: 1295.1 i/s compare-ruby: 408.5 i/s - 3.17x slower git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67582 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* benchmark/app_aobench.rb: complete commented code to write the image to a fileeregon2019-01-211-0/+2
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66900 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* benchmark/app_aobench.rb: remove extra printf argumentseregon2019-01-211-1/+1
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66899 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* benchmark/app_aobench.rb: move `srand(0)` at the toperegon2019-01-211-2/+2
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66898 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* benchmark/app_aobench.rb: add `srand(0)`mame2019-01-211-0/+2
| | | | | | | To prevent noise for benchmark result. Just for the case. [Bug #15552] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66893 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* benchmark/app_aobench.rb: add a magic commentmame2019-01-211-0/+2
| | | | | | | | To support the change of default encoding. It had not worked correctly since 2.0 :-) [Bug #15552] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66892 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* Time.strptime benchmarksnobu2019-01-071-0/+13
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66743 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* benchmark/range_last.yml: remove needless preludemrkn2019-01-061-2/+0
| | | | | | [ci skip] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66740 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* benchmark/range_last.yml: add benchmark casesmrkn2019-01-061-2/+4
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66733 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* benchmark/range_last.yml: add a benchmark of Range#lastmrkn2019-01-051-0/+4
| | | | | | [ci skip] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66721 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* benchmark/complex_float_*.yml: New benchmarksmrkn2019-01-016-0/+42
| | | | | | | Add new benchmark scripts for binary operations of Complex with float components. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66680 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* delete emacs mode lines [ci skip]shyouhei2018-12-278-8/+7
| | | | | | | These settings are now covered by .dir-locals.el. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66584 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* benchmark/app_erb.yml: remove unused variablek0kubun2018-12-221-1/+0
| | | | | | https://github.com/ruby/ruby/commit/3efcb74036af32cbcc889d06d8c6c546289e89f4#r31762996 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66490 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* Add benchmark for hash small literalstenderlove2018-12-063-0/+9
| | | | | | Co-Authored-By: Krzysztof Rybka <krzysztof.rybka@gmail.com> git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66256 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* Rename fiber chain benchmark.samuel2018-11-201-0/+0
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65859 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * remove trailing spaces.svn2018-11-201-2/+2
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65852 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* Remove `Benchmark` times.samuel2018-11-201-18/+8
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65851 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* Better benchmark name.samuel2018-11-201-0/+0
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65845 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * remove trailing spaces.svn2018-11-201-1/+1
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65844 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* Fix broken benchmarksamuel2018-11-201-10/+10
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65843 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * remove trailing spaces.svn2018-11-201-2/+2
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65842 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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