ruby--ruby/benchmark/bm_so_random.rb

# from http://www.bagley.org/~doug/shootout/bench/random/random.ruby

IM = 139968.0
IA = 3877.0
IC = 29573.0

$last = 42.0

def gen_random(max)
  (max * ($last = ($last * IA + IC) % IM)) / IM
end

N = 3_000_000

i = 0
while i<N
  i +=1
  gen_random(100.0)
end
# "%.9f" % gen_random(100.0)
set svn:eol-style git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@11708 b2dd03c8-39d4-4d8f-98ff-823fe69b080e 2007-02-12 18:01:19 -05:00			`# from http://www.bagley.org/~doug/shootout/bench/random/random.ruby`

			`IM = 139968.0`
			`IA = 3877.0`
			`IC = 29573.0`

			`$last = 42.0`

			`def gen_random(max)`
			`(max * ($last = ($last * IA + IC) % IM)) / IM`
			`end`

* benchmark/bm_app_erb.rb: increase loop count. too short mesurement time makes less accuracy. * benchmark/bm_app_factorial.rb: ditto. * benchmark/bm_app_mandelbrot.rb: ditto. * benchmark/bm_app_strconcat.rb: ditto. * benchmark/bm_io_file_create.rb: ditto. * benchmark/bm_io_file_read.rb: ditto. * benchmark/bm_io_file_write.rb: ditto. * benchmark/bm_so_concatenate.rb: ditto. * benchmark/bm_so_lists.rb: ditto. * benchmark/bm_so_matrix.rb: ditto. * benchmark/bm_so_random.rb: ditto. * benchmark/bm_so_sieve.rb: ditto. * benchmark/bm_vm_thread_mutex1.rb: ditto. * benchmark/bm_vm_thread_mutex2.rb: ditto. * benchmark/bm_vm_thread_mutex3.rb: ditto. * benchmark/bm_vm1_block.rb: cleanup. * benchmark/bm_vm1_const.rb: cleanup. * benchmark/bm_vm1_ensure.rb: cleanup. * benchmark/bm_vm1_ivar.rb: cleanup. * benchmark/bm_vm1_length.rb: cleanup. * benchmark/bm_vm1_neq.rb: cleanup. * benchmark/bm_vm1_not.rb: cleanup. * benchmark/bm_vm1_rescue.rb: cleanup. * benchmark/bm_vm1_simplereturn.rb: cleanup. * benchmark/bm_vm1_swap.rb: cleanup. * benchmark/bm_vm2_array.rb: cleanup. * benchmark/bm_vm2_case.rb: cleanup. * benchmark/bm_vm2_defined_method.rb: cleanup. * benchmark/bm_vm2_eval.rb: cleanup. * benchmark/bm_vm2_method.rb: cleanup. * benchmark/bm_vm2_mutex.rb: cleanup. * benchmark/bm_vm2_poly_method.rb: cleanup. * benchmark/bm_vm2_poly_method_ov.rb: cleanup. * benchmark/bm_vm2_proc.rb: cleanup. * benchmark/bm_vm2_regexp.rb: cleanup. * benchmark/bm_vm2_send.rb: cleanup. * benchmark/bm_vm2_super.rb: cleanup. * benchmark/bm_vm2_unif1.rb: cleanup. * benchmark/bm_vm2_zsuper.rb: cleanup. * benchmark/bm_vm_thread_alive_check1.rb: cleanup. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32356 b2dd03c8-39d4-4d8f-98ff-823fe69b080e 2011-07-01 06:39:12 -04:00			`N = 3_000_000`
set svn:eol-style git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@11708 b2dd03c8-39d4-4d8f-98ff-823fe69b080e 2007-02-12 18:01:19 -05:00
* benchmark/bm_vm1_lvar_init.rb: added. This benchmark measures a initialize time of non-used variable. * benchmark/bm_vm1_lvar_set.rb: added. This benchmark measures a local variables initialization time. * benchmark/bm_vm2_bigarray.rb: added. This benchmark mesures a big array literal creation time. * benchmark/bm_vm2_bighash.rb: This benchmark mesures a big hash literal creation time. * benchmark/bm*: change notation "i=0" to "i = 0". git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35821 b2dd03c8-39d4-4d8f-98ff-823fe69b080e 2012-05-27 10:41:01 -04:00			`i = 0`
set svn:eol-style git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@11708 b2dd03c8-39d4-4d8f-98ff-823fe69b080e 2007-02-12 18:01:19 -05:00			`while i<N`
* benchmark/: add missing spaces around assignment operators (= and +=) for consistency. Approved by ko1. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37192 b2dd03c8-39d4-4d8f-98ff-823fe69b080e 2012-10-15 08:53:12 -04:00			`i +=1`
set svn:eol-style git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@11708 b2dd03c8-39d4-4d8f-98ff-823fe69b080e 2007-02-12 18:01:19 -05:00			`gen_random(100.0)`
			`end`
			`# "%.9f" % gen_random(100.0)`