author | Jan Vrany <jan.vrany@fit.cvut.cz> |
Thu, 03 Oct 2013 10:31:41 +0200 | |
changeset 2760 | 818fa434937a |
parent 2678 | c865275e48a7 |
permissions | -rwxr-xr-x |
2678
c865275e48a7
Updated to match Mercurial revision a00302fe5083 with two tweaks:
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
1 |
#!/usr/bin/env ruby |
c865275e48a7
Updated to match Mercurial revision a00302fe5083 with two tweaks:
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
2 |
require 'benchmark' |
c865275e48a7
Updated to match Mercurial revision a00302fe5083 with two tweaks:
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
3 |
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c865275e48a7
Updated to match Mercurial revision a00302fe5083 with two tweaks:
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
4 |
def ary(x,y,n) |
c865275e48a7
Updated to match Mercurial revision a00302fe5083 with two tweaks:
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
5 |
(n - 1).downto(1) do |i| |
c865275e48a7
Updated to match Mercurial revision a00302fe5083 with two tweaks:
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
6 |
y[i] = y[i] + x[i] |
c865275e48a7
Updated to match Mercurial revision a00302fe5083 with two tweaks:
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
7 |
end |
c865275e48a7
Updated to match Mercurial revision a00302fe5083 with two tweaks:
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
8 |
end |
c865275e48a7
Updated to match Mercurial revision a00302fe5083 with two tweaks:
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
9 |
|
c865275e48a7
Updated to match Mercurial revision a00302fe5083 with two tweaks:
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
10 |
results = Benchmark.bmbm do |bm| |
c865275e48a7
Updated to match Mercurial revision a00302fe5083 with two tweaks:
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
11 |
raise "Expecting one arg - size of arrays" if ARGV.size == 0 |
c865275e48a7
Updated to match Mercurial revision a00302fe5083 with two tweaks:
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
12 |
n = ARGV[0].to_i |
c865275e48a7
Updated to match Mercurial revision a00302fe5083 with two tweaks:
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
13 |
x = (0...n).to_a |
c865275e48a7
Updated to match Mercurial revision a00302fe5083 with two tweaks:
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
14 |
y = Array.new(n) { 0 } |
c865275e48a7
Updated to match Mercurial revision a00302fe5083 with two tweaks:
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
15 |
|
c865275e48a7
Updated to match Mercurial revision a00302fe5083 with two tweaks:
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
16 |
bm.report do |
c865275e48a7
Updated to match Mercurial revision a00302fe5083 with two tweaks:
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
17 |
1000.times { ary(x, y, n) } |
c865275e48a7
Updated to match Mercurial revision a00302fe5083 with two tweaks:
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
18 |
end |
c865275e48a7
Updated to match Mercurial revision a00302fe5083 with two tweaks:
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
19 |
end |
c865275e48a7
Updated to match Mercurial revision a00302fe5083 with two tweaks:
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
20 |
puts "EXECUTION TIME: #{results[0].real * 1000.0}" |