зеркало из https://github.com/github/ruby.git
ee4fa4ccee
Rather than to copy into a buffer to unescape and then copy that buffer into the final string, we can directly copy into the final string. The downside is that if the string contains a lot of escaping, we end up returning a string that's larger than strictly necessary, but it's probably fine. Before: ``` == Parsing twitter.json (567916 bytes) ruby 3.3.4 (2024-07-09 revision https://github.com/ruby/json/commit/be1089c8ec) +YJIT [arm64-darwin23] Warming up -------------------------------------- json 56.000 i/100ms oj 58.000 i/100ms oj strict 74.000 i/100ms Oj::Parser 76.000 i/100ms rapidjson 52.000 i/100ms Calculating ------------------------------------- json 556.659 (± 2.9%) i/s (1.80 ms/i) - 2.800k in 5.034719s oj 604.077 (± 3.8%) i/s (1.66 ms/i) - 3.016k in 5.001546s oj strict 706.942 (± 3.5%) i/s (1.41 ms/i) - 3.552k in 5.030954s Oj::Parser 752.917 (± 3.2%) i/s (1.33 ms/i) - 3.800k in 5.052707s rapidjson 546.470 (± 3.5%) i/s (1.83 ms/i) - 2.756k in 5.049855s Comparison: json: 556.7 i/s Oj::Parser: 752.9 i/s - 1.35x faster oj strict: 706.9 i/s - 1.27x faster oj: 604.1 i/s - 1.09x faster rapidjson: 546.5 i/s - same-ish: difference falls within error == Parsing citm_catalog.json (1727030 bytes) ruby 3.3.4 (2024-07-09 revision https://github.com/ruby/json/commit/be1089c8ec) +YJIT [arm64-darwin23] Warming up -------------------------------------- json 29.000 i/100ms oj 32.000 i/100ms oj strict 38.000 i/100ms Oj::Parser 42.000 i/100ms rapidjson 38.000 i/100ms Calculating ------------------------------------- json 317.858 (± 3.1%) i/s (3.15 ms/i) - 1.595k in 5.023245s oj 348.168 (± 2.6%) i/s (2.87 ms/i) - 1.760k in 5.058431s oj strict 394.599 (± 2.8%) i/s (2.53 ms/i) - 1.976k in 5.012073s Oj::Parser 403.771 (± 3.0%) i/s (2.48 ms/i) - 2.058k in 5.101578s rapidjson 383.441 (± 3.7%) i/s (2.61 ms/i) - 1.938k in 5.061355s Comparison: json: 317.9 i/s Oj::Parser: 403.8 i/s - 1.27x faster oj strict: 394.6 i/s - 1.24x faster rapidjson: 383.4 i/s - 1.21x faster oj: 348.2 i/s - 1.10x faster ``` After: ``` == Parsing twitter.json (567916 bytes) ruby 3.3.4 (2024-07-09 revision https://github.com/ruby/json/commit/be1089c8ec) +YJIT [arm64-darwin23] Warming up -------------------------------------- json 56.000 i/100ms oj 62.000 i/100ms oj strict 73.000 i/100ms Oj::Parser 76.000 i/100ms rapidjson 54.000 i/100ms Calculating ------------------------------------- json 561.009 (± 7.5%) i/s (1.78 ms/i) - 2.800k in 5.039548s oj 601.124 (± 4.3%) i/s (1.66 ms/i) - 3.038k in 5.064686s oj strict 707.455 (± 3.4%) i/s (1.41 ms/i) - 3.577k in 5.062540s Oj::Parser 751.799 (± 3.1%) i/s (1.33 ms/i) - 3.800k in 5.059509s rapidjson 535.641 (± 3.2%) i/s (1.87 ms/i) - 2.700k in 5.045816s Comparison: json: 561.0 i/s Oj::Parser: 751.8 i/s - 1.34x faster oj strict: 707.5 i/s - 1.26x faster oj: 601.1 i/s - same-ish: difference falls within error rapidjson: 535.6 i/s - same-ish: difference falls within error == Parsing citm_catalog.json (1727030 bytes) ruby 3.3.4 (2024-07-09 revision https://github.com/ruby/json/commit/be1089c8ec) +YJIT [arm64-darwin23] Warming up -------------------------------------- json 30.000 i/100ms oj 32.000 i/100ms oj strict 36.000 i/100ms Oj::Parser 42.000 i/100ms rapidjson 39.000 i/100ms Calculating ------------------------------------- json 313.248 (± 7.3%) i/s (3.19 ms/i) - 1.560k in 5.014118s oj 341.977 (± 4.1%) i/s (2.92 ms/i) - 1.728k in 5.063332s oj strict 387.062 (± 6.2%) i/s (2.58 ms/i) - 1.944k in 5.045961s Oj::Parser 400.423 (± 4.0%) i/s (2.50 ms/i) - 2.016k in 5.044513s rapidjson 379.046 (± 6.1%) i/s (2.64 ms/i) - 1.911k in 5.064461s Comparison: json: 313.2 i/s Oj::Parser: 400.4 i/s - 1.28x faster oj strict: 387.1 i/s - 1.24x faster rapidjson: 379.0 i/s - 1.21x faster oj: 342.0 i/s - same-ish: difference falls within error ``` https://github.com/ruby/json/commit/5e1ec4a268 |
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| .. | ||
| fbuffer | ||
| generator | ||
| lib | ||
| parser | ||
| depend | ||
| extconf.rb | ||
| json.gemspec | ||