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# VM checking and benchmarking code
require './rbconfig'
require 'fileutils'
require 'pp'
Ruby = ENV['RUBY'] || RbConfig.ruby
#
OPTIONS = %w{
opt-direct-threaded-code
opt-basic-operations
opt-operands-unification
opt-instructions-unification
opt-inline-method-cache
opt-stack-caching
}.map{|opt|
'--disable-' + opt
}
opts = OPTIONS.dup
Configs = OPTIONS.map{|opt|
o = opts.dup
opts.delete(opt)
o
} + [[]]
pp Configs if $DEBUG
def exec_cmd(cmd)
puts cmd
unless system(cmd)
p cmd
raise "error"
end
end
def dirname idx
"ev-#{idx}"
end
def build
Configs.each_with_index{|config, idx|
dir = dirname(idx)
FileUtils.rm_rf(dir) if FileTest.exist?(dir)
Dir.mkdir(dir)
FileUtils.cd(dir){
exec_cmd("#{Ruby} ../extconf.rb " + config.join(" "))
exec_cmd("make clean test-all")
}
}
end
def check
Configs.each_with_index{|c, idx|
puts "= #{idx}"
system("#{Ruby} -r ev-#{idx}/yarvcore -e 'puts YARVCore::OPTS'")
}
end
def bench_each idx
puts "= #{idx}"
5.times{|count|
print count
FileUtils.cd(dirname(idx)){
exec_cmd("make benchmark OPT=-y ITEMS=#{ENV['ITEMS']} > ../b#{idx}-#{count}")
}
}
puts
end
def bench
# return bench_each(6)
Configs.each_with_index{|c, idx|
bench_each idx
}
end
def parse_result data
flag = false
stat = []
data.each{|line|
if flag
if /(\w+)\t([\d\.]+)/ =~ line
stat << [$1, $2.to_f]
else
raise "not a data"
end
end
if /benchmark summary/ =~ line
flag = true
end
}
stat
end
def calc_each data
data.sort!
data.pop # remove max
data.shift # remove min
data.inject(0.0){|res, e|
res += e
} / data.size
end
def calc_stat stats
stats[0].each_with_index{|e, idx|
bm = e[0]
vals = stats.map{|st|
st[idx][1]
}
[bm, calc_each(vals)]
}
end
def stat
total = []
Configs.each_with_index{|c, idx|
stats = []
5.times{|count|
file = "b#{idx}-#{count}"
# p file
open(file){|f|
stats << parse_result(f.read)
}
}
# merge stats
total << calc_stat(stats)
total
}
# pp total
total[0].each_with_index{|e, idx|
# print "#{e[0]}\t"
total.each{|st|
print st[idx][1], "\t"
}
puts
}
end
ARGV.each{|cmd|
case cmd
when 'build'
build
when 'check'
check
when 'bench'
bench
when 'stat'
stat
else
raise
end
}
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