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# ruby 2.6.5 | |
# concurrent-ruby (1.1.5) | |
# parallel (1.19.1) | |
gem 'concurrent-ruby' | |
gem 'parallel' | |
require 'parallel' | |
require 'concurrent-ruby' | |
calculate_with_sleep_proc = proc do |arg| | |
arg.map do |i| | |
sleep 3 | |
# long calculation | |
i * 2 * 1000 | |
end | |
end | |
concurrent_with_sleep_proc = proc do |arg| | |
tasks = arg.map do |i| | |
Concurrent::Promises.future(i) do |i| | |
sleep 3 | |
# long calculation | |
i * 2 * 1000 | |
end | |
end | |
Concurrent::Promises.zip(*tasks).value! | |
end | |
calculate_proc = proc do |arg| | |
arg.map do |i| | |
# long calculation | |
i * 2 * 1000 | |
end | |
end | |
concurrent_proc = proc do |arg| | |
tasks = arg.map do |i| | |
Concurrent::Promises.future(i) do |i| | |
# long calculation | |
i * 2 * 1000 | |
end | |
end | |
Concurrent::Promises.zip(*tasks).value! | |
end | |
parallel_proc = proc do |arg_array, process_count, proc| | |
slice_count = arg_array.length / (process_count - 1) | |
arrays = arg_array.each_slice(slice_count) | |
Parallel.map(arrays, in_processes: process_count) do |array| | |
proc.call array | |
end | |
end |
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require 'benchmark' | |
include Benchmark # we need the CAPTION and FORMAT constants | |
arg_array = Array(1...10000) | |
puts 'With sleep;' | |
Benchmark.benchmark(CAPTION, 7, FORMAT) do |x| | |
x.report("p&c10 :") { parallel_proc.call(arg_array, 10, concurrent_with_sleep_proc) } | |
x.report("p&c11 :") { parallel_proc.call(arg_array, 11, concurrent_with_sleep_proc) } | |
x.report("p&c12 :") { parallel_proc.call(arg_array, 12, concurrent_with_sleep_proc) } | |
x.report("p&c13 :") { parallel_proc.call(arg_array, 13, concurrent_with_sleep_proc) } | |
x.report("p&c14 :") { parallel_proc.call(arg_array, 14, concurrent_with_sleep_proc) } | |
x.report("p&c15 :") { parallel_proc.call(arg_array, 15, concurrent_with_sleep_proc) } | |
x.report("p&c16 :") { parallel_proc.call(arg_array, 16, concurrent_with_sleep_proc) } | |
x.report("p&c17 :") { parallel_proc.call(arg_array, 17, concurrent_with_sleep_proc) } | |
x.report("p&c18 :") { parallel_proc.call(arg_array, 18, concurrent_with_sleep_proc) } | |
x.report("p&c19 :") { parallel_proc.call(arg_array, 19, concurrent_with_sleep_proc) } | |
x.report("p&c20 :") { parallel_proc.call(arg_array, 20, concurrent_with_sleep_proc) } | |
x.report("p&c21 :") { parallel_proc.call(arg_array, 21, concurrent_with_sleep_proc) } | |
x.report("p&c22 :") { parallel_proc.call(arg_array, 22, concurrent_with_sleep_proc) } | |
x.report("p&c23 :") { parallel_proc.call(arg_array, 23, concurrent_with_sleep_proc) } | |
x.report("p&c24 :") { parallel_proc.call(arg_array, 24, concurrent_with_sleep_proc) } | |
x.report("p&c25 :") { parallel_proc.call(arg_array, 25, concurrent_with_sleep_proc) } | |
x.report("p&c26 :") { parallel_proc.call(arg_array, 26, concurrent_with_sleep_proc) } | |
x.report("c :") { concurrent_with_sleep_proc.call(arg_array) } | |
end | |
puts 'Without sleep;' | |
Benchmark.benchmark(CAPTION, 7, FORMAT) do |x| | |
x.report("p&c10 :") { parallel_proc.call(arg_array, 10, concurrent_proc) } | |
x.report("p&c11 :") { parallel_proc.call(arg_array, 11, concurrent_proc) } | |
x.report("p&c12 :") { parallel_proc.call(arg_array, 12, concurrent_proc) } | |
x.report("p&c13 :") { parallel_proc.call(arg_array, 13, concurrent_proc) } | |
x.report("p&c14 :") { parallel_proc.call(arg_array, 14, concurrent_proc) } | |
x.report("p&c15 :") { parallel_proc.call(arg_array, 15, concurrent_proc) } | |
x.report("p&c16 :") { parallel_proc.call(arg_array, 16, concurrent_proc) } | |
x.report("p&c17 :") { parallel_proc.call(arg_array, 17, concurrent_proc) } | |
x.report("p&c18 :") { parallel_proc.call(arg_array, 18, concurrent_proc) } | |
x.report("p&c19 :") { parallel_proc.call(arg_array, 19, concurrent_proc) } | |
x.report("p&c20 :") { parallel_proc.call(arg_array, 20, concurrent_proc) } | |
x.report("p&c21 :") { parallel_proc.call(arg_array, 21, concurrent_proc) } | |
x.report("p&c22 :") { parallel_proc.call(arg_array, 22, concurrent_proc) } | |
x.report("p&c23 :") { parallel_proc.call(arg_array, 23, concurrent_proc) } | |
x.report("p&c24 :") { parallel_proc.call(arg_array, 24, concurrent_proc) } | |
x.report("p&c25 :") { parallel_proc.call(arg_array, 25, concurrent_proc) } | |
x.report("p&c26 :") { parallel_proc.call(arg_array, 26, concurrent_proc) } | |
x.report("p10 :") { parallel_proc.call(arg_array, 10, calculate_proc) } | |
x.report("p11 :") { parallel_proc.call(arg_array, 11, calculate_proc) } | |
x.report("p12 :") { parallel_proc.call(arg_array, 12, calculate_proc) } | |
x.report("p13 :") { parallel_proc.call(arg_array, 13, calculate_proc) } | |
x.report("p14 :") { parallel_proc.call(arg_array, 14, calculate_proc) } | |
x.report("p15 :") { parallel_proc.call(arg_array, 15, calculate_proc) } | |
x.report("p16 :") { parallel_proc.call(arg_array, 16, calculate_proc) } | |
x.report("p17 :") { parallel_proc.call(arg_array, 17, calculate_proc) } | |
x.report("p18 :") { parallel_proc.call(arg_array, 18, calculate_proc) } | |
x.report("p19 :") { parallel_proc.call(arg_array, 19, calculate_proc) } | |
x.report("p20 :") { parallel_proc.call(arg_array, 20, calculate_proc) } | |
x.report("p21 :") { parallel_proc.call(arg_array, 21, calculate_proc) } | |
x.report("p22 :") { parallel_proc.call(arg_array, 22, calculate_proc) } | |
x.report("p23 :") { parallel_proc.call(arg_array, 23, calculate_proc) } | |
x.report("p24 :") { parallel_proc.call(arg_array, 24, calculate_proc) } | |
x.report("p25 :") { parallel_proc.call(arg_array, 25, calculate_proc) } | |
x.report("p26 :") { parallel_proc.call(arg_array, 26, calculate_proc) } | |
x.report("c :") { concurrent_proc.call(arg_array) } | |
end |
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