mirror of
https://github.com/ruby/ruby.git
synced 2025-08-15 21:49:06 +02:00

[Feature #19236]
When building a large hash, pre-allocating it with enough
capacity can save many re-hashes and significantly improve
performance.
```
/opt/rubies/3.3.0/bin/ruby --disable=gems -rrubygems -I./benchmark/lib ./benchmark/benchmark-driver/exe/benchmark-driver \
--executables="compare-ruby::../miniruby-master -I.ext/common --disable-gem" \
--executables="built-ruby::./miniruby --disable-gem" \
--output=markdown --output-compare -v $(find ./benchmark -maxdepth 1 -name 'hash_new' -o -name '*hash_new*.yml' -o -name '*hash_new*.rb' | sort)
compare-ruby: ruby 3.4.0dev (2024-03-25T11:48:11Z master f53209f023
) +YJIT dev [arm64-darwin23]
last_commit=[ruby/irb] Cache RDoc::RI::Driver.new (https://github.com/ruby/irb/pull/911)
built-ruby: ruby 3.4.0dev (2024-03-25T15:29:40Z hash-new-rb 77652b08a2) +YJIT dev [arm64-darwin23]
warming up...
| |compare-ruby|built-ruby|
|:-------------------|-----------:|---------:|
|new | 7.614M| 5.976M|
| | 1.27x| -|
|new_with_capa_1k | 13.931k| 15.698k|
| | -| 1.13x|
|new_with_capa_100k | 124.746| 148.283|
| | -| 1.19x|
```
111 lines
2.1 KiB
C
111 lines
2.1 KiB
C
/**********************************************************************
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inits.c -
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$Author$
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created at: Tue Dec 28 16:01:58 JST 1993
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Copyright (C) 1993-2007 Yukihiro Matsumoto
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**********************************************************************/
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#include "internal/inits.h"
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#include "ruby.h"
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#include "builtin.h"
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static void Init_builtin_prelude(void);
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#include "prelude.rbinc"
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#define CALL(n) {void Init_##n(void); Init_##n();}
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void
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rb_call_inits(void)
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{
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CALL(default_shapes);
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CALL(Thread_Mutex);
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CALL(RandomSeedCore);
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CALL(encodings);
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CALL(sym);
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CALL(var_tables);
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CALL(Object);
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CALL(top_self);
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CALL(Encoding);
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CALL(Comparable);
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CALL(Enumerable);
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CALL(String);
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CALL(Exception);
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CALL(eval);
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CALL(jump);
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CALL(Numeric);
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CALL(Bignum);
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CALL(syserr);
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CALL(Array);
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CALL(Hash);
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CALL(Struct);
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CALL(Regexp);
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CALL(pack);
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CALL(transcode);
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CALL(marshal);
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CALL(Range);
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CALL(IO);
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CALL(IO_Buffer)
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CALL(Dir);
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CALL(Time);
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CALL(Random);
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CALL(load);
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CALL(Proc);
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CALL(Binding);
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CALL(Math);
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CALL(GC);
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CALL(WeakMap);
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CALL(Enumerator);
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CALL(Ractor);
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CALL(VM);
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CALL(ISeq);
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CALL(Thread);
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CALL(signal);
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CALL(Fiber_Scheduler);
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CALL(process);
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CALL(Cont);
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CALL(Rational);
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CALL(Complex);
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CALL(MemoryView);
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CALL(version);
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CALL(vm_trace);
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CALL(vm_stack_canary);
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CALL(ast);
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CALL(shape);
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CALL(Prism);
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// enable builtin loading
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CALL(builtin);
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}
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void
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rb_call_builtin_inits(void)
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{
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#define BUILTIN(n) CALL(builtin_##n)
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BUILTIN(gc);
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BUILTIN(ractor);
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BUILTIN(numeric);
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BUILTIN(io);
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BUILTIN(dir);
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BUILTIN(ast);
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BUILTIN(trace_point);
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BUILTIN(pack);
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BUILTIN(warning);
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BUILTIN(array);
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BUILTIN(hash);
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BUILTIN(kernel);
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BUILTIN(symbol);
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BUILTIN(timev);
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BUILTIN(thread_sync);
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BUILTIN(yjit);
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BUILTIN(nilclass);
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BUILTIN(marshal);
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#if USE_RJIT
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BUILTIN(rjit_c);
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BUILTIN(rjit);
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#endif
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Init_builtin_prelude();
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}
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#undef CALL
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