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#! /usr/bin/ruby
require 'tokyocabinet'
include TokyoCabinet
def memoryusage()
status = `cat /proc/#{$$}/status`
lines = status.split("\n")
lines.each do |line|
if line =~ /^VmRSS:/
line.gsub!(/.*:\s*(\d+).*/, '\1')
return line.to_i / 1024.0
end
end
return -1;
end
rnum = 1000000;
if ARGV.length > 0
rnum = ARGV[0].to_i
end
if ARGV.length > 1
hash = ADB::new
hash.open(ARGV[1]) || raise("open failed")
else
hash = Hash.new
end
stime = Time.now
(0...rnum).each do |i|
buf = sprintf("%08d", i)
hash[buf] = buf
end
etime = Time.now
printf("Time: %.3f sec.\n", etime - stime)
printf("Usage: %.3f MB\n", memoryusage)
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