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d8282d01
编写于
5月 16, 2014
作者:
X
Xavier Léauté
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差异文件
add JavascriptAggregatorBenchmark
上级
4fbd6c7c
变更
2
显示空白变更内容
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并排
Showing
2 changed file
with
117 addition
and
27 deletion
+117
-27
processing/src/test/java/io/druid/query/aggregation/JavaScriptAggregatorBenchmark.java
...ruid/query/aggregation/JavaScriptAggregatorBenchmark.java
+116
-0
processing/src/test/java/io/druid/query/aggregation/JavaScriptAggregatorTest.java
.../io/druid/query/aggregation/JavaScriptAggregatorTest.java
+1
-27
未找到文件。
processing/src/test/java/io/druid/query/aggregation/JavaScriptAggregatorBenchmark.java
0 → 100644
浏览文件 @
d8282d01
/*
* Druid - a distributed column store.
* Copyright (C) 2012, 2013, 2014 Metamarkets Group Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package
io.druid.query.aggregation
;
import
com.google.caliper.Runner
;
import
com.google.caliper.SimpleBenchmark
;
import
com.google.common.collect.Lists
;
import
com.google.common.collect.Maps
;
import
io.druid.segment.ObjectColumnSelector
;
import
java.util.Map
;
public
class
JavaScriptAggregatorBenchmark
extends
SimpleBenchmark
{
protected
static
final
Map
<
String
,
String
>
scriptDoubleSum
=
Maps
.
newHashMap
();
static
{
scriptDoubleSum
.
put
(
"fnAggregate"
,
"function aggregate(current, a) { return current + a }"
);
scriptDoubleSum
.
put
(
"fnReset"
,
"function reset() { return 0 }"
);
scriptDoubleSum
.
put
(
"fnCombine"
,
"function combine(a,b) { return a + b }"
);
}
private
static
void
aggregate
(
TestFloatColumnSelector
selector
,
Aggregator
agg
)
{
agg
.
aggregate
();
selector
.
increment
();
}
private
JavaScriptAggregator
jsAggregator
;
private
DoubleSumAggregator
doubleAgg
;
final
LoopingFloatColumnSelector
selector
=
new
LoopingFloatColumnSelector
(
new
float
[]{
42.12f
,
9
f
});
@Override
protected
void
setUp
()
throws
Exception
{
Map
<
String
,
String
>
script
=
scriptDoubleSum
;
jsAggregator
=
new
JavaScriptAggregator
(
"billy"
,
Lists
.
asList
(
MetricSelectorUtils
.
wrap
(
selector
),
new
ObjectColumnSelector
[]{}),
JavaScriptAggregatorFactory
.
compileScript
(
script
.
get
(
"fnAggregate"
),
script
.
get
(
"fnReset"
),
script
.
get
(
"fnCombine"
)
)
);
doubleAgg
=
new
DoubleSumAggregator
(
"billy"
,
selector
);
}
public
double
timeJavaScriptDoubleSum
(
int
reps
)
{
double
val
=
0
;
for
(
int
i
=
0
;
i
<
reps
;
++
i
)
{
aggregate
(
selector
,
jsAggregator
);
}
return
val
;
}
public
double
timeNativeDoubleSum
(
int
reps
)
{
double
val
=
0
;
for
(
int
i
=
0
;
i
<
reps
;
++
i
)
{
aggregate
(
selector
,
doubleAgg
);
}
return
val
;
}
public
static
void
main
(
String
[]
args
)
throws
Exception
{
Runner
.
main
(
JavaScriptAggregatorBenchmark
.
class
,
args
);
}
protected
static
class
LoopingFloatColumnSelector
extends
TestFloatColumnSelector
{
private
final
float
[]
floats
;
private
long
index
=
0
;
public
LoopingFloatColumnSelector
(
float
[]
floats
)
{
super
(
floats
);
this
.
floats
=
floats
;
}
@Override
public
float
get
()
{
return
floats
[(
int
)
(
index
%
floats
.
length
)];
}
public
void
increment
()
{
++
index
;
if
(
index
<
0
)
{
index
=
0
;
}
}
}
}
processing/src/test/java/io/druid/query/aggregation/JavaScriptAggregatorTest.java
浏览文件 @
d8282d01
...
@@ -223,7 +223,7 @@ public class JavaScriptAggregatorTest
...
@@ -223,7 +223,7 @@ public class JavaScriptAggregatorTest
}
}
public
static
void
main
(
String
...
args
)
throws
Exception
{
public
static
void
main
(
String
...
args
)
throws
Exception
{
final
LoopingFloatColumnSelector
selector
=
new
LoopingFloatColumnSelector
(
new
float
[]{
42.12f
,
9
f
});
final
JavaScriptAggregatorBenchmark
.
LoopingFloatColumnSelector
selector
=
new
JavaScriptAggregatorBenchmark
.
LoopingFloatColumnSelector
(
new
float
[]{
42.12f
,
9
f
});
/* memory usage test
/* memory usage test
List<JavaScriptAggregator> aggs = Lists.newLinkedList();
List<JavaScriptAggregator> aggs = Lists.newLinkedList();
...
@@ -286,30 +286,4 @@ public class JavaScriptAggregatorTest
...
@@ -286,30 +286,4 @@ public class JavaScriptAggregatorTest
System
.
out
.
println
(
String
.
format
(
"JavaScript is %2.1fx slower"
,
(
double
)
t1
/
t2
));
System
.
out
.
println
(
String
.
format
(
"JavaScript is %2.1fx slower"
,
(
double
)
t1
/
t2
));
}
}
static
class
LoopingFloatColumnSelector
extends
TestFloatColumnSelector
{
private
final
float
[]
floats
;
private
long
index
=
0
;
public
LoopingFloatColumnSelector
(
float
[]
floats
)
{
super
(
floats
);
this
.
floats
=
floats
;
}
@Override
public
float
get
()
{
return
floats
[(
int
)(
index
%
floats
.
length
)];
}
public
void
increment
()
{
++
index
;
if
(
index
<
0
)
{
index
=
0
;
}
}
}
}
}
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