HotspotAllocationProfilerTest output

HotspotAllocationProfilerTest output

# Run complete. Total time: 00:00:05

Benchmark                                                                  Mode    Cnt     Score     Error   Units
HotspotAllocationProfilerTest.allocateObject                               avgt            4,297             ns/op
HotspotAllocationProfilerTest.allocateObject:·allocated                    avgt           16,002              B/op
HotspotAllocationProfilerTest.allocateObject:·allocation.rate              avgt         3202,343            MB/sec
HotspotAllocationProfilerTest.allocateObjectSampleTime                   sample  15583    56,291 ±   3,064   ns/op
HotspotAllocationProfilerTest.allocateObjectSampleTime:·allocated        sample           16,001              B/op
HotspotAllocationProfilerTest.allocateObjectSampleTime:·allocation.rate  sample         1941,053            MB/sec
HotspotAllocationProfilerTest.allocateObjectSingleShot                       ss      5  1287,800 ± 302,336   ns/op
HotspotAllocationProfilerTest.allocateObjectSingleShot:·allocated            ss      5   480,000 ±   0,001    B/op
HotspotAllocationProfilerTest.allocateObjectSingleShot:·allocation.rate      ss      5     5,293 ±   5,232  MB/sec

HotspotAllocationProfilerTest run

# JMH 1.9-SNAPSHOT (released today)
# VM invoker: /Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home/jre/bin/java
# VM options: -ea -Djmh.ignoreLock=true -Xms256m -Xmx256m -Didea.launcher.port=7534 -Didea.launcher.bin.path=/Applications/IntelliJ IDEA 14.app/Contents/bin -Dfile.encoding=UTF-8
# Warmup: 2 iterations, 1 s each
# Measurement: 1 iterations, 1 ms each
# Timeout: 10 min per iteration
# Threads: 1 thread, will synchronize iterations
# Benchmark mode: Average time, time/op
# Benchmark: org.openjdk.jmh.it.profilers.HotspotAllocationProfilerTest.allocateObject

# Run progress: 0,00% complete, ETA 00:00:05
# Fork: 1 of 1
# Warmup Iteration   1: 4,808 ns/op
# Warmup Iteration   2: 4,906 ns/op
Iteration   1: 4,297 ns/op
                 ·allocated:       16,002 B/op
                 ·allocation.rate: 3202,343 MB/sec



Result "allocateObject":
  4,297 ns/op

Secondary result "·allocated":
  16,002 B/op

Secondary result "·allocation.rate":
  3202,343 MB/sec


# JMH 1.9-SNAPSHOT (released today)
# VM invoker: /Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home/jre/bin/java
# VM options: -ea -Djmh.ignoreLock=true -Xms256m -Xmx256m -Didea.launcher.port=7534 -Didea.launcher.bin.path=/Applications/IntelliJ IDEA 14.app/Contents/bin -Dfile.encoding=UTF-8
# Warmup: 2 iterations, 1 s each
# Measurement: 1 iterations, 1 s each
# Timeout: 10 min per iteration
# Threads: 1 thread, will synchronize iterations
# Benchmark mode: Sampling time
# Benchmark: org.openjdk.jmh.it.profilers.HotspotAllocationProfilerTest.allocateObjectSampleTime

# Run progress: 39,96% complete, ETA 00:00:03
# Fork: 1 of 1
# Warmup Iteration   1: n = 36287, mean = 82 ns/op, p{0.00, 0.50, 0.90, 0.95, 0.99, 0.999, 0.9999, 1.00} = 3, 38, 54, 72, 1326, 8994, 36154, 43840 ns/op
# Warmup Iteration   2: n = 18711, mean = 47 ns/op, p{0.00, 0.50, 0.90, 0.95, 0.99, 0.999, 0.9999, 1.00} = 25, 38, 61, 77, 124, 379, 10455, 10608 ns/op
Iteration   1: n = 15583, mean = 56 ns/op, p{0.00, 0.50, 0.90, 0.95, 0.99, 0.999, 0.9999, 1.00} = 27, 45, 81, 100, 153, 447, 9644, 10448 ns/op
                 ·allocated:       16,001 B/op
                 ·allocation.rate: 1941,053 MB/sec



Result "allocateObjectSampleTime":
  56,291 ±(99.9%) 3,064 ns/op [Average]
  (min, avg, max) = (27,000, 56,291, 10448,000), stdev = 116,213
  CI (99.9%): [53,227, 59,355] (assumes normal distribution)
  Samples, N = 15583
        mean =     56,291 ±(99.9%) 3,064 ns/op
         min =     27,000 ns/op
  p( 0,0000) =     27,000 ns/op
  p(50,0000) =     45,000 ns/op
  p(90,0000) =     81,000 ns/op
  p(95,0000) =    100,000 ns/op
  p(99,0000) =    153,000 ns/op
  p(99,9000) =    447,056 ns/op
  p(99,9900) =   9643,904 ns/op
  p(99,9990) =  10448,000 ns/op
  p(99,9999) =  10448,000 ns/op
         max =  10448,000 ns/op

Secondary result "·allocated":
  16,001 B/op

Secondary result "·allocation.rate":
  1941,053 MB/sec


# JMH 1.9-SNAPSHOT (released today)
# VM invoker: /Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home/jre/bin/java
# VM options: -ea -Djmh.ignoreLock=true -Xms256m -Xmx256m -Didea.launcher.port=7534 -Didea.launcher.bin.path=/Applications/IntelliJ IDEA 14.app/Contents/bin -Dfile.encoding=UTF-8
# Warmup: 2 iterations, single-shot each
# Measurement: 5 iterations, single-shot each
# Timeout: 10 min per iteration
# Threads: 1 thread
# Benchmark mode: Single shot invocation time
# Benchmark: org.openjdk.jmh.it.profilers.HotspotAllocationProfilerTest.allocateObjectSingleShot

# Run progress: 99,86% complete, ETA 00:00:00
# Fork: 1 of 1
# Warmup Iteration   1: 15481,000 ns/op
# Warmup Iteration   2: 1143,000 ns/op
Iteration   1: 1370,000 ns/op
                 ·allocated:       480,000 B/op
                 ·allocation.rate: 2,890 MB/sec

Iteration   2: 1302,000 ns/op
                 ·allocated:       480,000 B/op
                 ·allocation.rate: 5,588 MB/sec

Iteration   3: 1353,000 ns/op
                 ·allocated:       480,000 B/op
                 ·allocation.rate: 6,068 MB/sec

Iteration   4: 1193,000 ns/op
                 ·allocated:       480,000 B/op
                 ·allocation.rate: 6,097 MB/sec

Iteration   5: 1221,000 ns/op
                 ·allocated:       480,000 B/op
                 ·allocation.rate: 5,821 MB/sec



Result "allocateObjectSingleShot":
  1287,800 ±(99.9%) 302,336 ns/op [Average]
  (min, avg, max) = (1193,000, 1287,800, 1370,000), stdev = 78,516
  CI (99.9%): [985,464, 1590,136] (assumes normal distribution)
  Samples, N = 5
        mean =   1287,800 ±(99.9%) 302,336 ns/op
         min =   1193,000 ns/op
  p( 0,0000) =   1193,000 ns/op
  p(50,0000) =   1302,000 ns/op
  p(90,0000) =   1370,000 ns/op
  p(95,0000) =   1370,000 ns/op
  p(99,0000) =   1370,000 ns/op
  p(99,9000) =   1370,000 ns/op
  p(99,9900) =   1370,000 ns/op
  p(99,9990) =   1370,000 ns/op
  p(99,9999) =   1370,000 ns/op
         max =   1370,000 ns/op

Secondary result "·allocated":
  480,000 ±(99.9%) 0,001 B/op [Average]
  (min, avg, max) = (480,000, 480,000, 480,000), stdev = 0,001
  CI (99.9%): [480,000, 480,000] (assumes normal distribution)

Secondary result "·allocation.rate":
  5,293 ±(99.9%) 5,232 MB/sec [Average]
  (min, avg, max) = (2,890, 5,293, 6,097), stdev = 1,359
  CI (99.9%): [0,061, 10,525] (assumes normal distribution)