diff options
author | mrkn <mrkn@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-01-01 12:20:05 +0000 |
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committer | mrkn <mrkn@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-01-01 12:20:05 +0000 |
commit | 5f90845420bd65be6926976a8a0dfd7a1b3173cf (patch) | |
tree | ca25b7bb38f632e10bb29adf0e8a4bc9fa9b71d0 /numeric.c | |
parent | 8d473272dbd9f5c6adc518b780eafee3d1f0d6bc (diff) | |
download | ruby-5f90845420bd65be6926976a8a0dfd7a1b3173cf.tar.gz |
complex.c: Optimize Complex#+ for some conditions
Optimize f_add defined in complex.c for some specific conditions.
It makes Complex#+ about 1.4x faster than r66678.
Compared to r66678:
```
mrkn-mbp15-late2016:complex-optim-o3 mrkn$ make benchmark ITEM=complex_float_ COMPARE_RUBY=/Users/mrkn/.rbenv/versions/trunk-o3/bin/ruby
/Users/mrkn/src/github.com/ruby/ruby/revision.h unchanged
/Users/mrkn/.rbenv/shims/ruby --disable=gems -rrubygems -I/Users/mrkn/src/github.com/ruby/ruby/benchmark/lib /Users/mrkn/src/github.com/ruby/ruby/benchmark/benchmark-driver/exe/benchmark-driver \
--executables="compare-ruby::/Users/mrkn/.rbenv/versions/trunk-o3/bin/ruby -I.ext/common --disable-gem" \
--executables="built-ruby::./miniruby -I/Users/mrkn/src/github.com/ruby/ruby/lib -I. -I.ext/common -r/Users/mrkn/src/github.com/ruby/ruby/prelude --disable-gem" \
$(find /Users/mrkn/src/github.com/ruby/ruby/benchmark -maxdepth 1 -name '*complex_float_*.yml' -o -name '*complex_float_*.rb' | sort)
Calculating -------------------------------------
compare-ruby built-ruby
complex_float_add 9.132M 12.864M i/s - 1.000M times in 0.109511s 0.077734s
complex_float_div 600.723k 627.878k i/s - 1.000M times in 1.664662s 1.592666s
complex_float_mul 2.320M 2.347M i/s - 1.000M times in 0.431039s 0.426113s
complex_float_new 1.473M 1.489M i/s - 1.000M times in 0.678791s 0.671750s
complex_float_power 1.690M 1.722M i/s - 1.000M times in 0.591863s 0.580775s
complex_float_sub 8.870M 9.516M i/s - 1.000M times in 0.112740s 0.105091s
Comparison:
complex_float_add
built-ruby: 12864383.7 i/s
compare-ruby: 9131502.8 i/s - 1.41x slower
complex_float_div
built-ruby: 627878.0 i/s
compare-ruby: 600722.5 i/s - 1.05x slower
complex_float_mul
built-ruby: 2346795.3 i/s
compare-ruby: 2319975.7 i/s - 1.01x slower
complex_float_new
built-ruby: 1488649.1 i/s
compare-ruby: 1473207.5 i/s - 1.01x slower
complex_float_power
built-ruby: 1721837.2 i/s
compare-ruby: 1689580.2 i/s - 1.02x slower
complex_float_sub
built-ruby: 9515562.7 i/s
compare-ruby: 8869966.3 i/s - 1.07x slower
```
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66681 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'numeric.c')
-rw-r--r-- | numeric.c | 6 |
1 files changed, 3 insertions, 3 deletions
@@ -1018,8 +1018,8 @@ rb_float_uminus(VALUE flt) * Returns a new Float which is the sum of +float+ and +other+. */ -static VALUE -flo_plus(VALUE x, VALUE y) +VALUE +rb_float_plus(VALUE x, VALUE y) { if (RB_TYPE_P(y, T_FIXNUM)) { return DBL2NUM(RFLOAT_VALUE(x) + (double)FIX2LONG(y)); @@ -5674,7 +5674,7 @@ Init_Numeric(void) rb_define_alias(rb_cFloat, "inspect", "to_s"); rb_define_method(rb_cFloat, "coerce", flo_coerce, 1); rb_define_method(rb_cFloat, "-@", rb_float_uminus, 0); - rb_define_method(rb_cFloat, "+", flo_plus, 1); + rb_define_method(rb_cFloat, "+", rb_float_plus, 1); rb_define_method(rb_cFloat, "-", flo_minus, 1); rb_define_method(rb_cFloat, "*", flo_mul, 1); rb_define_method(rb_cFloat, "/", flo_div, 1); |