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Use
@scanner << readline
instead of `@scanner.string = @scanner.res…
…t + readline` (#107) ## Why JRuby's `StringScanner#<<` and `StringScanner#scan` OutOfMemoryError has been resolved in strscan gem 3.0.9. ruby/strscan#83 ## Benchmark ``` RUBYLIB= BUNDLER_ORIG_RUBYLIB= /Users/naitoh/.rbenv/versions/3.3.0/bin/ruby -v -S benchmark-driver /Users/naitoh/ghq/github.com/naitoh/rexml/benchmark/parse.yaml ruby 3.3.0 (2023-12-25 revision 5124f9ac75) [arm64-darwin22] Calculating ------------------------------------- before after before(YJIT) after(YJIT) dom 10.958 11.044 16.615 16.783 i/s - 100.000 times in 9.126104s 9.055023s 6.018799s 5.958437s sax 29.624 29.609 44.390 45.370 i/s - 100.000 times in 3.375641s 3.377372s 2.252774s 2.204080s pull 33.868 34.695 51.173 53.492 i/s - 100.000 times in 2.952679s 2.882229s 1.954138s 1.869422s stream 31.719 32.351 43.604 45.403 i/s - 100.000 times in 3.152713s 3.091052s 2.293356s 2.202514s Comparison: dom after(YJIT): 16.8 i/s before(YJIT): 16.6 i/s - 1.01x slower after: 11.0 i/s - 1.52x slower before: 11.0 i/s - 1.53x slower sax after(YJIT): 45.4 i/s before(YJIT): 44.4 i/s - 1.02x slower before: 29.6 i/s - 1.53x slower after: 29.6 i/s - 1.53x slower pull after(YJIT): 53.5 i/s before(YJIT): 51.2 i/s - 1.05x slower after: 34.7 i/s - 1.54x slower before: 33.9 i/s - 1.58x slower stream after(YJIT): 45.4 i/s before(YJIT): 43.6 i/s - 1.04x slower after: 32.4 i/s - 1.40x slower before: 31.7 i/s - 1.43x slower ``` - YJIT=ON : 1.01x - 1.05x faster - YJIT=OFF : 1.00x - 1.02x faster
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