зеркало из https://github.com/github/ruby.git
complex.c: Optimize Complex#* and Complex#**
Optimize f_mul for the core numeric class components.
This change improves the computation time of Complex#* and Complex#**.
```
$ make benchmark ITEM=complex_float_ COMPARE_RUBY=/Users/mrkn/.rbenv/versions/2.6.0/bin/ruby
generating known_errors.inc
known_errors.inc unchanged
/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/2.6.0/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 6.558M 13.012M i/s - 1.000M times in 0.152480s 0.076850s
complex_float_div 576.821k 567.969k i/s - 1.000M times in 1.733640s 1.760660s
complex_float_mul 1.690M 2.628M i/s - 1.000M times in 0.591786s 0.380579s
complex_float_new 1.350M 1.268M i/s - 1.000M times in 0.740669s 0.788762s
complex_float_power 1.571M 1.835M i/s - 1.000M times in 0.636507s 0.544909s
complex_float_sub 8.635M 8.779M i/s - 1.000M times in 0.115814s 0.113906s
Comparison:
complex_float_add
built-ruby: 13012361.7 i/s
compare-ruby: 6558237.1 i/s - 1.98x slower
complex_float_div
compare-ruby: 576821.0 i/s
built-ruby: 567968.8 i/s - 1.02x slower
complex_float_mul
built-ruby: 2627575.4 i/s
compare-ruby: 1689800.0 i/s - 1.55x slower
complex_float_new
compare-ruby: 1350130.8 i/s
built-ruby: 1267809.6 i/s - 1.06x slower
complex_float_power
built-ruby: 1835168.8 i/s
compare-ruby: 1571074.6 i/s - 1.17x slower
complex_float_sub
built-ruby: 8779168.8 i/s
compare-ruby: 8634534.7 i/s - 1.02x slower
```
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66697 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
mrkn
Родитель
670725b087
Коммит
673ff731c1
11
complex.c
11
complex.c
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@ -131,6 +131,17 @@ f_mul(VALUE x, VALUE y)
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return ZERO;
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if (x == ONE) return y;
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if (y == ONE) return x;
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return rb_int_mul(x, y);
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}
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else if (RB_FLOAT_TYPE_P(x) &&
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UNLIKELY(rb_method_basic_definition_p(rb_cFloat, idMULT))) {
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if (y == ONE) return x;
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return rb_float_mul(x, y);
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}
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else if (RB_TYPE_P(x, T_RATIONAL) &&
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UNLIKELY(rb_method_basic_definition_p(rb_cRational, idMULT))) {
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if (y == ONE) return x;
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return rb_rational_mul(x, y);
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}
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else if (UNLIKELY(rb_method_basic_definition_p(CLASS_OF(x), idMULT))) {
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if (y == ONE) return x;
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@ -1658,6 +1658,7 @@ VALUE rb_int_plus(VALUE x, VALUE y);
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VALUE rb_float_plus(VALUE x, VALUE y);
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VALUE rb_int_minus(VALUE x, VALUE y);
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VALUE rb_int_mul(VALUE x, VALUE y);
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VALUE rb_float_mul(VALUE x, VALUE y);
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VALUE rb_int_idiv(VALUE x, VALUE y);
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VALUE rb_int_modulo(VALUE x, VALUE y);
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VALUE rb_int_round(VALUE num, int ndigits, enum ruby_num_rounding_mode mode);
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@ -1949,6 +1950,7 @@ void rb_last_status_clear(void);
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VALUE rb_rational_canonicalize(VALUE x);
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VALUE rb_rational_uminus(VALUE self);
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VALUE rb_rational_plus(VALUE self, VALUE other);
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VALUE rb_rational_mul(VALUE self, VALUE other);
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VALUE rb_lcm(VALUE x, VALUE y);
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VALUE rb_rational_reciprocal(VALUE x);
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VALUE rb_cstr_to_rat(const char *, int);
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@ -1066,8 +1066,8 @@ flo_minus(VALUE x, VALUE y)
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* Returns a new Float which is the product of +float+ and +other+.
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*/
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static VALUE
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flo_mul(VALUE x, VALUE y)
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VALUE
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rb_float_mul(VALUE x, VALUE y)
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{
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if (RB_TYPE_P(y, T_FIXNUM)) {
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return DBL2NUM(RFLOAT_VALUE(x) * (double)FIX2LONG(y));
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@ -5676,7 +5676,7 @@ Init_Numeric(void)
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rb_define_method(rb_cFloat, "-@", rb_float_uminus, 0);
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rb_define_method(rb_cFloat, "+", rb_float_plus, 1);
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rb_define_method(rb_cFloat, "-", flo_minus, 1);
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rb_define_method(rb_cFloat, "*", flo_mul, 1);
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rb_define_method(rb_cFloat, "*", rb_float_mul, 1);
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rb_define_method(rb_cFloat, "/", flo_div, 1);
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rb_define_method(rb_cFloat, "quo", flo_quo, 1);
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rb_define_method(rb_cFloat, "fdiv", flo_quo, 1);
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@ -877,8 +877,8 @@ f_muldiv(VALUE self, VALUE anum, VALUE aden, VALUE bnum, VALUE bden, int k)
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* Rational(9, 8) * 4 #=> (9/2)
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* Rational(20, 9) * 9.8 #=> 21.77777777777778
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*/
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static VALUE
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nurat_mul(VALUE self, VALUE other)
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VALUE
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rb_rational_mul(VALUE self, VALUE other)
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{
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if (RB_INTEGER_TYPE_P(other)) {
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{
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@ -1396,7 +1396,7 @@ f_round_common(int argc, VALUE *argv, VALUE self, VALUE (*func)(VALUE))
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rb_raise(rb_eTypeError, "not an integer");
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b = f_expt10(n);
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s = nurat_mul(self, b);
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s = rb_rational_mul(self, b);
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if (k_float_p(s)) {
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if (INT_NEGATIVE_P(n))
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@ -2734,7 +2734,7 @@ Init_Rational(void)
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rb_define_method(rb_cRational, "-@", rb_rational_uminus, 0);
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rb_define_method(rb_cRational, "+", rb_rational_plus, 1);
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rb_define_method(rb_cRational, "-", nurat_sub, 1);
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rb_define_method(rb_cRational, "*", nurat_mul, 1);
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rb_define_method(rb_cRational, "*", rb_rational_mul, 1);
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rb_define_method(rb_cRational, "/", nurat_div, 1);
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rb_define_method(rb_cRational, "quo", nurat_div, 1);
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rb_define_method(rb_cRational, "fdiv", nurat_fdiv, 1);
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