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Add a benchmark of MessageBufferInput#reset #129

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Merged
xerial merged 2 commits into from
Aug 11, 2014
Merged

Add a benchmark of MessageBufferInput#reset #129

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4c014e0
Add the benchmark of MessageBufferInput#reset
komamitsu Aug 10, 2014
6d9937a
#129: Add reset(MessageBuffer) method
xerial Aug 10, 2014
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#129: Add reset(MessageBuffer) method
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@xerial
xerial committed Aug 10, 2014
commit 6d9937a20b59f40ec2dbc763a53996dcf601c8da
11 changes: 7 additions & 4 deletions msgpack-core/src/main/java/org/msgpack/core/buffer/ArrayBufferInput.java
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Original file line number Diff line number Diff line change
Expand Up @@ -20,14 +20,17 @@ public ArrayBufferInput(byte[] arr, int offset, int length) {
this.buffer = MessageBuffer.wrap(checkNotNull(arr, "input array is null")).slice(offset, length);
}

public void reset(byte[] arr) {
this.buffer = MessageBuffer.wrap(checkNotNull(arr, "input array is null"));
public void reset(MessageBuffer buf) {
this.buffer = buf;
this.isRead = false;
}

public void reset(byte[] arr) {
reset(MessageBuffer.wrap(checkNotNull(arr, "input array is null")));
}

public void reset(byte[] arr, int offset, int len) {
this.buffer = MessageBuffer.wrap(checkNotNull(arr, "input array is null")).slice(offset, len);
this.isRead = false;
reset(MessageBuffer.wrap(checkNotNull(arr, "input array is null")).slice(offset, len));
}

@Override
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5 changes: 3 additions & 2 deletions msgpack-core/src/test/scala/org/msgpack/core/MessageUnpackerTest.scala
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Expand Up @@ -531,13 +531,14 @@ class MessageUnpackerTest extends MessagePackSpec {
}

// TODO: change tag 'ignore' to 'in'
"improve the performance via reset method" taggedAs("reset") ignore {
"improve the performance via reset method" taggedAs("reset-arr") in {

val out = new ByteArrayOutputStream
val packer = MessagePackFactory.newDefaultPacker(out)
packer.packInt(0)
packer.flush
val arr = out.toByteArray
val mb = MessageBuffer.wrap(arr)

val N = 1000
val t = time("unpacker", repeat = 10) {
Expand All @@ -556,7 +557,7 @@ class MessageUnpackerTest extends MessagePackSpec {
IOUtil.withResource(MessagePackFactory.newDefaultUnpacker(arr)) { unpacker =>
val buf = new ArrayBufferInput(arr)
for (i <- 0 until N) {
buf.reset(arr)
buf.reset(mb)
unpacker.reset(buf)
unpacker.unpackInt
unpacker.close
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