-
-
Notifications
You must be signed in to change notification settings - Fork 938
Expand file tree
/
Copy pathbench_java_invocation.rb
More file actions
121 lines (107 loc) · 1.98 KB
/
bench_java_invocation.rb
File metadata and controls
121 lines (107 loc) · 1.98 KB
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
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
require 'benchmark'
require 'java'
import java.lang.System
puts "Measure bytelist appends (via Java integration)"
5.times {
puts Benchmark.measure {
sb = org.jruby.util.ByteList.new
foo = org.jruby.util.ByteList.plain("foo")
1000000.times {
sb.append(foo)
}
}
}
puts "Measure string appends (via normal Ruby)"
5.times {
puts Benchmark.measure {
str = ""
foo = "foo"
1000000.times {
str << foo
}
}
}
puts "Measure System.currentTimeMillis, int becoming Fixnum"
def System.bench
x = nil
1000000.times {
x = currentTimeMillis
}
end
5.times {
puts Benchmark.measure {
System.bench
}
}
puts "Measure string.length, integer length to fixnum"
5.times {
puts Benchmark.measure {
x = ""
1000000.times {
y = x.length
}
}
}
puts "Measure java.lang.Thread#name, String entering Ruby"
JThread = java::lang::Thread
class JThread
def bench
x = nil
1000000.times {
x = name
}
end
end
5.times {
puts Benchmark.measure {
JThread.currentThread.bench
}
}
puts "Measure ArrayList.set(fixnum, string), String leaving Ruby"
5.times {
puts Benchmark.measure {
str = "foo"
alist = java.util.ArrayList.new(1)
alist << str
1000000.times {
alist.set(0, str)
}
}
}
puts "Measure Fixnum#to_s, String being constructed"
5.times {
puts Benchmark.measure {
x = 1
1000000.times {
y = x.to_s
}
}
}
puts "Measure Integer.valueOf, overloaded call with a primitive"
5.times {
puts Benchmark.measure {
integer = java.lang.Integer
x = 1
1000000.times {
integer.valueOf(x)
}
}
}
puts "Measure ArrayList<Object>.get, non-coercible type entering Ruby"
5.times {
puts Benchmark.measure {
list = java.util.ArrayList.new
list.add(java.lang.Object.new)
1000000.times {
list.get(0)
}
}
}
puts "Measure java.lang.Object.new"
5.times {
puts Benchmark.measure {
1000000.times {
Object.new
}
}
}