1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
require 'benchmark'
require 'red_black_tree'
Benchmark.bmbm do |bm|
bm.report do
h = ConcurrentRedBlackTree.new
num = 100000
max = 1000
threads = []
# writers
2.times do
threads << Thread.new {
num.times do
key = rand(max)
h[key] = key
end
}
end
# deleters
2.times do
threads << Thread.new {
num.times do
key = rand(max)
h.delete(key)
end
}
end
# readers
2.times do
threads << Thread.new {
num.times do
key = rand(max)
h[key]
end
}
end
threads.each(&:join)
end
end
|
