author | ohair |
Tue, 01 Apr 2008 15:41:23 -0700 | |
changeset 309 | bda219d843f6 |
parent 2 | 90ce3da70b43 |
child 715 | f16baef3a20e |
permissions | -rw-r--r-- |
309
bda219d843f6
6627823: Missed whitespace normalization files: jdk/test/java/rmi
ohair
parents:
2
diff
changeset
|
1 |
/* |
2 | 2 |
* Copyright 1999 Sun Microsystems, Inc. All Rights Reserved. |
3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
|
4 |
* |
|
5 |
* This code is free software; you can redistribute it and/or modify it |
|
6 |
* under the terms of the GNU General Public License version 2 only, as |
|
7 |
* published by the Free Software Foundation. |
|
8 |
* |
|
9 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
|
10 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
11 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
12 |
* version 2 for more details (a copy is included in the LICENSE file that |
|
13 |
* accompanied this code). |
|
14 |
* |
|
15 |
* You should have received a copy of the GNU General Public License version |
|
16 |
* 2 along with this work; if not, write to the Free Software Foundation, |
|
17 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
|
18 |
* |
|
19 |
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
|
20 |
* CA 95054 USA or visit www.sun.com if you need additional information or |
|
21 |
* have any questions. |
|
22 |
*/ |
|
23 |
||
24 |
/* |
|
25 |
* |
|
26 |
*/ |
|
27 |
||
28 |
package bench.serial; |
|
29 |
||
30 |
import bench.Benchmark; |
|
31 |
import java.io.ObjectInputStream; |
|
32 |
import java.io.ObjectOutputStream; |
|
33 |
||
34 |
/** |
|
35 |
* Benchmark for testing speed of byte reads/writes. |
|
36 |
*/ |
|
37 |
public class Bytes implements Benchmark { |
|
309
bda219d843f6
6627823: Missed whitespace normalization files: jdk/test/java/rmi
ohair
parents:
2
diff
changeset
|
38 |
|
2 | 39 |
/** |
40 |
* Write and read byte values to/from a stream. The benchmark is run in |
|
41 |
* batches: each "batch" consists of a fixed number of read/write cycles, |
|
42 |
* and the stream is flushed (and underlying stream buffer cleared) in |
|
43 |
* between each batch. |
|
44 |
* Arguments: <# batches> <# cycles per batch> |
|
45 |
*/ |
|
46 |
public long run(String[] args) throws Exception { |
|
309
bda219d843f6
6627823: Missed whitespace normalization files: jdk/test/java/rmi
ohair
parents:
2
diff
changeset
|
47 |
int nbatches = Integer.parseInt(args[0]); |
bda219d843f6
6627823: Missed whitespace normalization files: jdk/test/java/rmi
ohair
parents:
2
diff
changeset
|
48 |
int ncycles = Integer.parseInt(args[1]); |
bda219d843f6
6627823: Missed whitespace normalization files: jdk/test/java/rmi
ohair
parents:
2
diff
changeset
|
49 |
StreamBuffer sbuf = new StreamBuffer(); |
bda219d843f6
6627823: Missed whitespace normalization files: jdk/test/java/rmi
ohair
parents:
2
diff
changeset
|
50 |
ObjectOutputStream oout = |
bda219d843f6
6627823: Missed whitespace normalization files: jdk/test/java/rmi
ohair
parents:
2
diff
changeset
|
51 |
new ObjectOutputStream(sbuf.getOutputStream()); |
bda219d843f6
6627823: Missed whitespace normalization files: jdk/test/java/rmi
ohair
parents:
2
diff
changeset
|
52 |
ObjectInputStream oin = |
bda219d843f6
6627823: Missed whitespace normalization files: jdk/test/java/rmi
ohair
parents:
2
diff
changeset
|
53 |
new ObjectInputStream(sbuf.getInputStream()); |
2 | 54 |
|
309
bda219d843f6
6627823: Missed whitespace normalization files: jdk/test/java/rmi
ohair
parents:
2
diff
changeset
|
55 |
doReps(oout, oin, sbuf, 1, ncycles); // warmup |
bda219d843f6
6627823: Missed whitespace normalization files: jdk/test/java/rmi
ohair
parents:
2
diff
changeset
|
56 |
|
bda219d843f6
6627823: Missed whitespace normalization files: jdk/test/java/rmi
ohair
parents:
2
diff
changeset
|
57 |
long start = System.currentTimeMillis(); |
bda219d843f6
6627823: Missed whitespace normalization files: jdk/test/java/rmi
ohair
parents:
2
diff
changeset
|
58 |
doReps(oout, oin, sbuf, nbatches, ncycles); |
2 | 59 |
return System.currentTimeMillis() - start; |
60 |
} |
|
309
bda219d843f6
6627823: Missed whitespace normalization files: jdk/test/java/rmi
ohair
parents:
2
diff
changeset
|
61 |
|
2 | 62 |
/** |
63 |
* Run benchmark for given number of batches, with given number of cycles |
|
64 |
* for each batch. |
|
65 |
*/ |
|
66 |
void doReps(ObjectOutputStream oout, ObjectInputStream oin, |
|
309
bda219d843f6
6627823: Missed whitespace normalization files: jdk/test/java/rmi
ohair
parents:
2
diff
changeset
|
67 |
StreamBuffer sbuf, int nbatches, int ncycles) |
bda219d843f6
6627823: Missed whitespace normalization files: jdk/test/java/rmi
ohair
parents:
2
diff
changeset
|
68 |
throws Exception |
2 | 69 |
{ |
309
bda219d843f6
6627823: Missed whitespace normalization files: jdk/test/java/rmi
ohair
parents:
2
diff
changeset
|
70 |
for (int i = 0; i < nbatches; i++) { |
bda219d843f6
6627823: Missed whitespace normalization files: jdk/test/java/rmi
ohair
parents:
2
diff
changeset
|
71 |
sbuf.reset(); |
bda219d843f6
6627823: Missed whitespace normalization files: jdk/test/java/rmi
ohair
parents:
2
diff
changeset
|
72 |
for (int j = 0; j < ncycles; j++) { |
bda219d843f6
6627823: Missed whitespace normalization files: jdk/test/java/rmi
ohair
parents:
2
diff
changeset
|
73 |
oout.writeByte(0); |
bda219d843f6
6627823: Missed whitespace normalization files: jdk/test/java/rmi
ohair
parents:
2
diff
changeset
|
74 |
} |
bda219d843f6
6627823: Missed whitespace normalization files: jdk/test/java/rmi
ohair
parents:
2
diff
changeset
|
75 |
oout.flush(); |
bda219d843f6
6627823: Missed whitespace normalization files: jdk/test/java/rmi
ohair
parents:
2
diff
changeset
|
76 |
for (int j = 0; j < ncycles; j++) { |
bda219d843f6
6627823: Missed whitespace normalization files: jdk/test/java/rmi
ohair
parents:
2
diff
changeset
|
77 |
oin.readByte(); |
bda219d843f6
6627823: Missed whitespace normalization files: jdk/test/java/rmi
ohair
parents:
2
diff
changeset
|
78 |
} |
bda219d843f6
6627823: Missed whitespace normalization files: jdk/test/java/rmi
ohair
parents:
2
diff
changeset
|
79 |
} |
2 | 80 |
} |
81 |
} |