Bignum performance in rubinius's bm_bignum way slower than it should be
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Key: JRUBY-2194
URL: http://jira.codehaus.org/browse/JRUBY-2194
Project: JRuby
Issue Type: Bug
Components: Performance
Affects Versions: JRuby 1.1RC2
Reporter: Charles Oliver Nutter
Fix For: JRuby 1.1
What's with these numbers? Something's got to be broken here.
>From Rubinius's benchmark/rubinius/numerics/bm_bignum.rb
{noformat}
Ruby:
loop 0.290000 0.000000 0.290000 ( 0.288583)
Bignum -@ 0.950000 0.010000 0.960000 ( 1.042115)
Bignum + 0.880000 0.000000 0.880000 ( 0.889774)
Bignum - 0.890000 0.000000 0.890000 ( 0.890159)
Bignum * 0.910000 0.000000 0.910000 ( 0.959771)
Bignum / 0.910000 0.000000 0.910000 ( 0.911021)
Bignum % 1.790000 0.010000 1.800000 ( 1.935748)
Bignum << 1.170000 0.000000 1.170000 ( 1.191885)
Bignum >> 1.070000 0.010000 1.080000 ( 1.138856)
Bignum < 0.920000 0.000000 0.920000 ( 0.933318)
Bignum <= 0.930000 0.000000 0.930000 ( 0.994578)
Bignum > 0.940000 0.010000 0.950000 ( 0.939238)
Bignum >= 0.920000 0.000000 0.920000 ( 0.933153)
Bignum == 0.810000 0.000000 0.810000 ( 0.872213)
Bignum <=> 0.820000 0.000000 0.820000 ( 0.824019)
JRuby:
loop 0.174000 0.000000 0.174000 ( 0.174000)
Bignum -@ 0.374000 0.000000 0.374000 ( 0.374000)
Bignum + 5.428000 0.000000 5.428000 ( 5.428000)
Bignum - 5.142000 0.000000 5.142000 ( 5.142000)
Bignum * 5.076000 0.000000 5.076000 ( 5.076000)
Bignum / 5.049000 0.000000 5.049000 ( 5.049000)
Bignum % 7.447000 0.000000 7.447000 ( 7.447000)
Bignum << 0.573000 0.000000 0.573000 ( 0.573000)
Bignum >> 0.582000 0.000000 0.582000 ( 0.582000)
Bignum < 5.262000 0.000000 5.262000 ( 5.262000)
Bignum <= 5.457000 0.000000 5.457000 ( 5.457000)
Bignum > 5.368000 0.000000 5.368000 ( 5.368000)
Bignum >= 5.477000 0.000000 5.477000 ( 5.477000)
Bignum == 5.186000 0.000000 5.186000 ( 5.186000)
Bignum <=> 5.030000 0.000000 5.030000 ( 5.030000)
{noformat}
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