Package com.cloudera.util

Examples of com.cloudera.util.Benchmark

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    b.done();
  }

  @Test
  public void testStringToWrapByteBuffer() {
    Benchmark b = new Benchmark("String wrap ByteBuf");

    b.mark("begin");
    for (int i = 0; i < times; i++) {
      ByteBuffer.wrap(base.getBytes());
    }
    b.mark("after " + times);
    b.done();

  }
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  }

  @Test
  public void testStringtoByteBufferCopy() {
    Benchmark b = new Benchmark("String alloc ByteBuf");

    b.mark("begin");
    for (int i = 0; i < times; i++) {
      byte[] buf = base.getBytes();
      ByteBuffer bb = ByteBuffer.allocate(buf.length);
      bb.put(buf);
    }
    b.mark("after " + times);
    b.done();
  }
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    b.done();
  }

  @Test
  public void testStringToByteArray2() {
    Benchmark b = new Benchmark("String to ByteArray");

    b.mark("begin");
    for (int i = 0; i < times; i++) {
      base.getBytes();
    }
    b.mark("after " + times);
    b.done();
  }
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    b.done();
  }

  @Test
  public void testStringToWrapByteBuffer2() {
    Benchmark b = new Benchmark("String wrap ByteBuf");

    b.mark("begin");
    for (int i = 0; i < times; i++) {
      ByteBuffer.wrap(base.getBytes());
    }
    b.mark("after " + times);
    b.done();

  }
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  }

  @Test
  public void testStringtoByteBufferCopy2() {
    Benchmark b = new Benchmark("String alloc ByteBuf");

    b.mark("begin");
    for (int i = 0; i < times; i++) {
      byte[] buf = base.getBytes();
      ByteBuffer bb = ByteBuffer.allocate(buf.length);
      bb.put(buf);
    }
    b.mark("after " + times);
    b.done();
  }
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  String base = "this is a test";

  @Test
  public void testStringAppend() {
    Benchmark b = new Benchmark("String Append");

    b.mark("begin");
    for (int i = 0; i < times; i++) {
      @SuppressWarnings("unused")
      String temp = base + i;
    }
    b.mark("after " + times);
    b.done();
  }
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  }

  @Test
  public void testStringBufferAppend() {
    StringBuffer buf = new StringBuffer(base);
    Benchmark b = new Benchmark("StringBuffer Append");

    b.mark("begin");
    for (int i = 0; i < times; i++) {
      buf.append(i);
    }
    b.mark("after " + times);
    b.done();
  }
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  }

  @Test
  public void testStringBuilderAppend() {
    StringBuilder buf = new StringBuilder(base);
    Benchmark b = new Benchmark("StringBuffer Append");

    b.mark("begin");
    for (int i = 0; i < times; i++) {
      buf.append(i);
    }
    b.mark("after " + times);
    b.done();
  }
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  }

  @Test
  public void testStringFormat() {
    String format = "%s%d";
    Benchmark b = new Benchmark("StringFormatAppend");

    b.mark("begin");
    for (int i = 0; i < times; i++) {
      String.format(format, base, i);
    }
    b.mark("after " + times);
    b.done();

  }
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  }

  @Test
  public void testStringAppend2() {
    Benchmark b = new Benchmark("String Append");

    b.mark("begin");
    for (int i = 0; i < times; i++) {
      @SuppressWarnings("unused")
      String temp = base + i;
    }
    b.mark("after " + times);
    b.done();
  }
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Related Classes of com.cloudera.util.Benchmark

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  • com.cloudera.flume.handlers.debug.TextToCollector
  • com.cloudera.flume.handlers.syslog.PerfSyslogWireExtract
  • com.cloudera.flume.master.EvilExhaustConnections
  • com.cloudera.flume.PerfAvroSinks
  • com.cloudera.flume.PerfDiskIO
  • com.cloudera.flume.PerfGrepReportSinks
  • com.cloudera.flume.PerfHdfsIO
  • com.cloudera.flume.PerfReportSinks
  • com.cloudera.flume.PerfSamplers
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