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Don't call Warning.warn unless the category is enabled (#10981)

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Don't call `Warning.warn` unless the category is enabled

The warning category should be enabled if we want to call
`Warning.warn`.

This commit speeds up the following benchmark:

```ruby
eval "def test; " +
  1000.times.map { "'  '.chomp!" }.join(";") + "; end"

def run_benchmark count
  i = 0
  while i < count
    start = Process.clock_gettime(Process::CLOCK_MONOTONIC)
    yield
    ms = Process.clock_gettime(Process::CLOCK_MONOTONIC) - start
    puts "itr ##{i}: #{(ms * 1000).to_i}ms"
    i += 1
  end
end

run_benchmark(25) do
  250.times do
    test
  end
end
```

On `master` this runs at about 92ms per iteration. With this patch, it
is 7ms per iteration.

[Bug #20573]
This commit is contained in:
Aaron Patterson 2024-06-13 10:02:32 -07:00 committed by GitHub
parent aa957546fa
commit a3eb5e5c70
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GPG Key ID: B5690EEEBB952194
2 changed files with 4 additions and 2 deletions
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2
bootstraptest/test_yjit.rb
View File

@ -589,6 +589,8 @@ assert_equal 'string', %q{
# Check that exceptions work when getting global variable
assert_equal 'rescued', %q{
Warning[:deprecated] = true
module Warning
def warn(message)
raise

4
error.c
View File

@ -432,7 +432,7 @@ rb_warn(const char *fmt, ...)
void
rb_category_warn(rb_warning_category_t category, const char *fmt, ...)
{
if (!NIL_P(ruby_verbose)) {
if (!NIL_P(ruby_verbose) && rb_warning_category_enabled_p(category)) {
with_warning_string(mesg, 0, fmt) {
rb_warn_category(mesg, rb_warning_category_to_name(category));
}
@ -464,7 +464,7 @@ rb_warning(const char *fmt, ...)
void
rb_category_warning(rb_warning_category_t category, const char *fmt, ...)
{
if (RTEST(ruby_verbose)) {
if (RTEST(ruby_verbose) && rb_warning_category_enabled_p(category)) {
with_warning_string(mesg, 0, fmt) {
rb_warn_category(mesg, rb_warning_category_to_name(category));
}