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Cache RubyVM::MJIT constants

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for performance
This commit is contained in:
Takashi Kokubun 2022-09-06 12:57:24 +09:00
parent 5b3bd91fcb
commit 341b40bd0c
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2 changed files with 11 additions and 8 deletions
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7
mjit.c
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@ -1804,6 +1804,11 @@ const struct ruby_opt_message mjit_option_messages[] = {
};
#undef M
// RubyVM::MJIT::Compiler
VALUE rb_mMJITCompiler = 0;
// RubyVM::MJIT::C
VALUE rb_mMJITC = 0;
// Initialize MJIT. Start a thread creating the precompiled header and
// processing ISeqs. The function should be called first for using MJIT.
// If everything is successful, MJIT_INIT_P will be TRUE.
@ -1820,6 +1825,8 @@ mjit_init(const struct mjit_options *opts)
mjit_enabled = false;
return;
}
rb_mMJITCompiler = rb_const_get(rb_mMJIT, rb_intern("Compiler"));
rb_mMJITC = rb_const_get(rb_mMJIT, rb_intern("C"));
mjit_call_p = true;
mjit_pid = getpid();

12
mjit_compiler.c
View file

@ -36,10 +36,8 @@ struct case_dispatch_var {
static VALUE
rb_ptr(const char *type, const void *ptr)
{
// TODO: cache constant
VALUE rb_mMJIT = rb_const_get(rb_cRubyVM, rb_intern("MJIT"));
VALUE rb_mC = rb_const_get(rb_mMJIT, rb_intern("C"));
VALUE rb_type = rb_funcall(rb_mC, rb_intern(type), 0);
extern VALUE rb_mMJITC;
VALUE rb_type = rb_funcall(rb_mMJITC, rb_intern(type), 0);
return rb_funcall(rb_type, rb_intern("new"), 1, ULONG2NUM((size_t)ptr));
}
@ -124,10 +122,8 @@ mjit_compile(FILE *f, const rb_iseq_t *iseq, const char *funcname, int id)
bool original_call_p = mjit_call_p;
mjit_call_p = false; // Avoid impacting JIT metrics by itself
// TODO: initialize the constant in mjit_init and use it
VALUE rb_mMJIT = rb_const_get(rb_cRubyVM, rb_intern("MJIT"));
VALUE rb_mCompiler = rb_const_get(rb_mMJIT, rb_intern("Compiler"));
bool success = RTEST(rb_funcall(rb_mCompiler, rb_intern("compile"), 4,
extern VALUE rb_mMJITCompiler;
bool success = RTEST(rb_funcall(rb_mMJITCompiler, rb_intern("compile"), 4,
PTR2NUM((VALUE)f), rb_ptr("rb_iseq_t", iseq), rb_str_new_cstr(funcname), INT2NUM(id)));
mjit_call_p = original_call_p;