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nkokkos/eta.rb

Created June 28, 2023 10:51
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  1. nkokkos created this gist Jun 28, 2023.
    26 changes: 26 additions & 0 deletions eta.rb
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    Original file line number Diff line number Diff line change
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    require './ring_buffer.rb'

    iterations = 1000
    RING_SIZE = 25
    ring = RingBuffer.new(RING_SIZE)

    iterations.times do |i|

    time_start = Time.now
    400000.times do |t|
    [t, Math.sqrt(rand(200000)), Math.sqrt(t)**2]
    end
    time_now = Time.now

    time_taken = time_now - time_start
    ring << time_taken

    puts "time taken for compute block: #{time_taken}"

    if ring.full?
    #https://stackoverflow.com/questions/1341271/how-do-i-create-an-average-from-a-ruby-array
    moving_average = ring.buffer.inject{ |sum, el| sum + el }.to_f / RING_SIZE
    time_left = moving_average * (iterations - i)
    puts "time_left: #{time_left}, minutes: #{(time_left/60.0).round(2)}"
    puts "--------------------------------------"
    end