ruby/benchmark/vm_call_method_missing.yml
Jeremy Evans a82a24ed57 Optimize method_missing calls
CALLER_ARG_SPLAT is not necessary for method_missing.  We just need
to unshift the method name into the arguments.

This optimizes all method_missing calls:

* mm(recv) ~9%
* mm(recv, *args) ~215% for args.length == 200
* mm(recv, *args, **kw) ~55% for args.length == 200
* mm(recv, **kw) ~22%
* mm(recv, kw: 1) ~100%

Note that empty argument splats do get slower with this approach,
by about 30-40%.  Other than non-empty argument splats, other
argument splats are faster, with the speedup depending on the
number of arguments.
2023-04-25 08:06:16 -07:00

62 lines
1.2 KiB
YAML

prelude: |
class A0
def method_missing(m); m end
end
class A1
def method_missing(m, a) a; end
end
class S
def method_missing(m, *a) a; end
end
class B
def method_missing(m, kw: 1) kw end
end
class SB
def method_missing(m, *a, kw: 1) kw end
end
t0 = 0.times.to_a
t1 = 1.times.to_a
t10 = 10.times.to_a
t200 = 200.times.to_a
kw = {kw: 2}
a0 = A0.new
a1 = A1.new
s = S.new
b = B.new
sb = SB.new
benchmark:
method_missing_simple_0: |
a0.()
method_missing_simple_1: |
a1.x(1)
method_missing_simple_0_splat: |
a0.(*t0)
method_missing_simple_1_splat: |
a1.(*t1)
method_missing_no_splat: |
s.()
method_missing_0_splat: |
s.(*t0)
method_missing_1_splat: |
s.(*t1)
method_missing_10_splat: |
s.(*t10)
method_missing_200_splat: |
s.(*t200)
method_missing_kw: |
b.(kw: 1)
method_missing_no_kw: |
b.()
method_missing_kw_splat: |
b.(**kw)
method_missing_0_splat_kw: |
sb.(*t0, **kw)
method_missing_1_splat_kw: |
sb.(*t1, **kw)
method_missing_10_splat_kw: |
sb.(*t10, **kw)
method_missing_200_splat_kw: |
sb.(*t200, **kw)
loop_count: 1000000