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tekkub/disk_throughput.rb

Created June 3, 2010 08:14
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Drive read throughput tester
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disk_throughput.rb
#!/usr/bin/env ruby
f = ARGV.first
size = File.size f
puts "Reading #{size/1024/1024} MiB"
t = Time.now
File.read f
total_time = Time.now - t
puts "%.1f sec - %.2f MiB/sec" % [total_time, size/1024/1024/total_time]
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