(Part of) Why I still use ruby 1.8
Published 2011-12-29 @ 14:50
Tagged ruby, thoughts
Check out the time it takes just to start up some of these systems:
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# # of iterations = 1000 # user system total real # true 0.030000 0.180000 1.780000 ( 2.698916) # ruby -e 0 0.040000 0.170000 4.770000 ( 6.149741) # ruby -e 'eval "1 + 1"' 0.030000 0.180000 6.030000 ( 6.811871) # csi -e 0 0.050000 0.200000 5.720000 ( 8.098138) # perl -e 0 0.050000 0.200000 6.410000 ( 8.193336) # csi -e eval 1+1 (scheme) 0.050000 0.230000 7.060000 ( 8.663545) # perl -e 'eval "1 + 1"' 0.040000 0.200000 7.580000 ( 8.552224) # ruby193 -e 0 0.050000 0.210000 14.700000 ( 15.981277) # ruby193 -e 'eval "1 + 1"' 0.060000 0.220000 14.760000 ( 16.010711) # python -c 0 0.060000 0.280000 46.230000 ( 49.630480) # python -c 'eval("1 + 1")' 0.060000 0.250000 47.080000 ( 49.251939) |
What’s up with python? Still using getc to load all your core libraries? dtruss doesn’t seem to think so but obviously something is going on.
(I think something is wrong with my build of ruby 1.9.3, I’ll look into it)
From:
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require 'benchmark' MAX = (ARGV.shift || 1_000).to_i puts "# of iterations = #{MAX}" Benchmark::bm(25) do |x| def x.go cmd, name=cmd report name do for i in 0..MAX do system cmd end end end ruby18 = "~/.multiruby/install/1.8.7-p330/bin/ruby" ruby18 = "ruby" ruby19 = "~/.multiruby/install/1.9.3-p0/bin/ruby --disable-gems" csi_code = "csi -e '(eval (with-input-from-string \"(+ 1 1)\" read))'" x.go "true" x.go "#{ruby18} -e 0", "ruby187 -e 0" x.go "#{ruby18} -e 'eval \"1 + 1\"'", "ruby187 -e 'eval \"1 + 1\"'" x.go "csi -e 0" x.go "perl -e 0" x.go csi_code, "csi -e eval 1+1 (scheme)" x.go "perl -e 'eval \"1 + 1\"'" x.go "#{ruby19} -e 0", "ruby193 -e 0" x.go "#{ruby19} -e 'eval \"1 + 1\"'", "ruby193 -e 'eval \"1 + 1\"'" x.go "python -c 0" x.go "python -c 'eval(\"1 + 1\")'" end |