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ruby--ruby/internal
John Hawthorn 19f331f588 Dedup superclass array in leaf sibling classes
Previously, we would build a new `superclasses` array for each class,
even though for all immediate subclasses of a class, the array is
identical.

This avoids duplicating the arrays on leaf classes (those without
subclasses) by calculating and storing a "superclasses including self"
array on a class when it's first inherited and sharing that among all
superclasses.

An additional trick used is that the "superclass array including self"
is valid as "self"'s superclass array. It just has it's own class at the
end. We can use this to avoid an extra pointer of storage and can use
one bit of a flag to track that we've "upgraded" the array.
2022-03-03 11:23:27 -08:00
..
array.h Add comments about special runtime routines YJIT calls 2021-10-20 18:19:43 -04:00
bignum.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
bits.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
class.h Dedup superclass array in leaf sibling classes 2022-03-03 11:23:27 -08:00
cmdlineopt.h * expand tabs. [ci skip] 2022-01-15 20:10:30 +09:00
compar.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
compile.h RubyVM.keep_script_lines 2021-10-21 16:17:39 +09:00
compilers.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
complex.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
cont.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
dir.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
enc.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
encoding.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
enum.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
enumerator.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
error.h suppress GCC's -Wsuggest-attribute=format 2021-09-10 20:00:06 +09:00
eval.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
file.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
fixnum.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
gc.h Change darray size to size_t and add functions that use GC malloc 2022-02-16 09:50:29 -05:00
hash.h Restore Hash#compare_by_identity mode [Bug #18171] 2021-10-02 11:43:35 +09:00
imemo.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
inits.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
io.h Move some function declaration to internal/io.h 2021-09-28 18:08:08 +13:00
load.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
loadpath.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
math.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
missing.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
numeric.h Embed bare double if sizeof(double) == sizeof(VALUE) 2021-10-27 02:05:06 +09:00
object.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
parse.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
proc.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
process.h process.c: Add Process._fork (#5017) 2021-10-25 20:47:19 +09:00
random.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
range.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
rational.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
re.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
sanitizers.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
serial.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
signal.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
static_assert.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
string.h Add comments about special runtime routines YJIT calls 2021-10-20 18:19:43 -04:00
struct.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
symbol.h Assign temporary ID to anonymous ID [Bug #18250] 2021-11-23 21:03:19 +09:00
thread.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
time.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
transcode.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
util.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00
variable.h Extract yjit_force_iv_index and make it work when object is frozen 2021-10-20 18:19:43 -04:00
vm.h Mark rb_clear_constant_cache as internal use only 2022-01-20 13:54:37 +09:00
warnings.h internal/*.h: skip doxygen 2021-09-10 20:00:06 +09:00