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merge revision(s) d4a1a2780c39bc648496ac92fc6e6ce2eb38ab47: [Backport #21032]

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rb_feature_p: skip `get_expanded_load_path` for absolute paths

	Ref: https://github.com/fxn/zeitwerk/pull/308

	```ruby
	require 'benchmark'

	$LOAD_PATH << 'relative-path'

	autoload :FOO, '/tmp/foo.rb'

	puts Benchmark.realtime {
	  500_000.times do
	    Object.autoload?(:FOO)
	  end
	}
	```

	The above script takes 2.5 seconds on `master`, and only
	50ms on this branch.

	When we're looking for a feature with an absolute path, we don't
	need to call the expensive `get_expanded_load_path`.
This commit is contained in:
nagachika 2025-03-08 17:26:28 +09:00
parent 8274b8193e
commit 54dd27d89d
2 changed files with 2 additions and 2 deletions
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2
load.c
View File

@ -596,7 +596,7 @@ rb_feature_p(rb_vm_t *vm, const char *feature, const char *ext, int rb, int expa
loading_tbl = get_loading_table(vm);
f = 0;
if (!expanded) {
if (!expanded && !rb_is_absolute_path(feature)) {
struct loaded_feature_searching fs;
fs.name = feature;
fs.len = len;

2
version.h
View File

@ -11,7 +11,7 @@
# define RUBY_VERSION_MINOR RUBY_API_VERSION_MINOR
#define RUBY_VERSION_TEENY 7
#define RUBY_RELEASE_DATE RUBY_RELEASE_YEAR_STR"-"RUBY_RELEASE_MONTH_STR"-"RUBY_RELEASE_DAY_STR
#define RUBY_PATCHLEVEL 125
#define RUBY_PATCHLEVEL 126
#include "ruby/version.h"
#include "ruby/internal/abi.h"