# Detecting actual CPU count: 32 detected
# JMH 1.6.3 (released 5 days ago)
# VM invoker: /aurora/clredest/contended/jdk-baseline/jre/bin/java
# VM options: -XX:-UseBiasedLocking -XX:+UseHeavyMonitors
# Warmup: <none>
# Measurement: 1 iterations, 500 ms each, 40000000 calls per op
# Timeout: 10 min per iteration
# Threads: 32 threads
# Benchmark mode: Single shot invocation time
# Benchmark: org.openjdk.micros.contended.ContendedMonitorBench.synchronizeAndAccessContendedHeader
# Parameters: (inflate = false, monitors = 8, step = 8)

# Run progress: 0.00% complete, ETA 00:00:00
# Fork: 1 of 1
# Preparing profilers: perf 
# Profilers consume stderr from target VM, use -v EXTRA to copy to console
Iteration   1: 34071505.657 ±(99.9%) 3889570.654 us/op
# Processing profiler results: perf 


Run result: 34071505.66 us/op (<= 2 samples)

Perf stats:
--------------------------------------------------

     454807.194747 task-clock                #   11.200 CPUs utilized          
        20,338,724 context-switches          #    0.045 M/sec                  
           115,283 CPU-migrations            #    0.000 M/sec                  
            14,454 page-faults               #    0.000 M/sec                  
 1,235,040,200,815 cycles                    #    2.716 GHz                     [25.11%]
   937,724,171,260 stalled-cycles-frontend   #   75.93% frontend cycles idle    [25.04%]
   754,607,171,325 stalled-cycles-backend    #   61.10% backend  cycles idle    [24.97%]
   647,227,878,080 instructions              #    0.52  insns per cycle        
                                             #    1.45  stalled cycles per insn [31.21%]
   128,729,261,251 branches                  #  283.041 M/sec                   [31.23%]
       892,349,800 branch-misses             #    0.69% of all branches         [31.07%]
   209,690,375,343 L1-dcache-loads           #  461.053 M/sec                   [31.15%]
     7,263,377,868 L1-dcache-load-misses     #    3.46% of all L1-dcache hits   [31.16%]
        58,354,410 LLC-loads                 #    0.128 M/sec                   [24.96%]
        56,520,114 LLC-load-misses           #   96.86% of all LL-cache hits    [25.11%]
   <not supported> L1-icache-loads         
     5,813,797,534 L1-icache-load-misses     #    0.00% of all L1-icache hits   [25.07%]
   211,667,016,841 dTLB-loads                #  465.399 M/sec                   [25.17%]
       350,056,756 dTLB-load-misses          #    0.17% of all dTLB cache hits  [25.15%]
       482,333,536 iTLB-loads                #    1.061 M/sec                   [25.11%]
       101,832,008 iTLB-load-misses          #   21.11% of all iTLB cache hits  [25.14%]
   <not supported> L1-dcache-prefetches    
       732,360,566 L1-dcache-prefetch-misses #    1.610 M/sec                   [25.11%]

      40.607187242 seconds time elapsed


WARNING: Your system uses old "perf", which can not delay data collection.
Therefore, perf performance data includes benchmark warmup.


# JMH 1.6.3 (released 5 days ago)
# VM invoker: /aurora/clredest/contended/jdk-baseline/jre/bin/java
# VM options: -XX:-UseBiasedLocking -XX:+UseHeavyMonitors
# Warmup: <none>
# Measurement: 1 iterations, 500 ms each, 40000000 calls per op
# Timeout: 10 min per iteration
# Threads: 32 threads
# Benchmark mode: Single shot invocation time
# Benchmark: org.openjdk.micros.contended.ContendedMonitorBench.synchronizeAndAccessOwnHeader
# Parameters: (inflate = false, monitors = 8, step = 8)

# Run progress: 33.33% complete, ETA 00:01:21
# Fork: 1 of 1
# Preparing profilers: perf 
# Profilers consume stderr from target VM, use -v EXTRA to copy to console
Iteration   1: 21311763.233 ±(99.9%) 1557316.704 us/op
# Processing profiler results: perf 


Run result: 21311763.23 us/op (<= 2 samples)

Perf stats:
--------------------------------------------------

     293788.038146 task-clock                #   10.378 CPUs utilized          
        11,852,161 context-switches          #    0.040 M/sec                  
            27,173 CPU-migrations            #    0.000 M/sec                  
            14,091 page-faults               #    0.000 M/sec                  
   800,160,274,181 cycles                    #    2.724 GHz                     [24.99%]
   562,454,366,001 stalled-cycles-frontend   #   70.29% frontend cycles idle    [24.94%]
   422,051,711,618 stalled-cycles-backend    #   52.75% backend  cycles idle    [25.11%]
   559,232,718,481 instructions              #    0.70  insns per cycle        
                                             #    1.01  stalled cycles per insn [31.43%]
   109,187,319,552 branches                  #  371.653 M/sec                   [31.47%]
       603,734,198 branch-misses             #    0.55% of all branches         [31.45%]
   183,301,942,383 L1-dcache-loads           #  623.926 M/sec                   [31.47%]
     4,417,616,365 L1-dcache-load-misses     #    2.41% of all L1-dcache hits   [31.44%]
        48,189,826 LLC-loads                 #    0.164 M/sec                   [24.94%]
        45,106,878 LLC-load-misses           #   93.60% of all LL-cache hits    [24.96%]
   <not supported> L1-icache-loads         
     3,532,566,051 L1-icache-load-misses     #    0.00% of all L1-icache hits   [24.96%]
   185,236,407,143 dTLB-loads                #  630.510 M/sec                   [25.00%]
       217,630,499 dTLB-load-misses          #    0.12% of all dTLB cache hits  [25.09%]
       318,963,345 iTLB-loads                #    1.086 M/sec                   [25.08%]
        73,838,515 iTLB-load-misses          #   23.15% of all iTLB cache hits  [24.97%]
   <not supported> L1-dcache-prefetches    
       485,647,943 L1-dcache-prefetch-misses #    1.653 M/sec                   [24.91%]

      28.307850049 seconds time elapsed


WARNING: Your system uses old "perf", which can not delay data collection.
Therefore, perf performance data includes benchmark warmup.


# JMH 1.6.3 (released 5 days ago)
# VM invoker: /aurora/clredest/contended/jdk-baseline/jre/bin/java
# VM options: -XX:-UseBiasedLocking -XX:+UseHeavyMonitors
# Warmup: <none>
# Measurement: 1 iterations, 500 ms each, 40000000 calls per op
# Timeout: 10 min per iteration
# Threads: 32 threads
# Benchmark mode: Single shot invocation time
# Benchmark: org.openjdk.micros.contended.ContendedMonitorBench.synchronizeAndAccessUncontendedHeader
# Parameters: (inflate = false, monitors = 8, step = 8)

# Run progress: 66.67% complete, ETA 00:00:34
# Fork: 1 of 1
# Preparing profilers: perf 
# Profilers consume stderr from target VM, use -v EXTRA to copy to console
Iteration   1: 12549522.949 ±(99.9%) 1186661.763 us/op
# Processing profiler results: perf 


Run result: 12549522.95 us/op (<= 2 samples)

Perf stats:
--------------------------------------------------

     245806.906985 task-clock                #   15.211 CPUs utilized          
         6,306,558 context-switches          #    0.026 M/sec                  
            11,512 CPU-migrations            #    0.000 M/sec                  
            14,159 page-faults               #    0.000 M/sec                  
   683,122,421,989 cycles                    #    2.779 GHz                     [24.98%]
   556,889,261,885 stalled-cycles-frontend   #   81.52% frontend cycles idle    [24.95%]
   464,524,290,293 stalled-cycles-backend    #   68.00% backend  cycles idle    [24.99%]
   261,683,864,739 instructions              #    0.38  insns per cycle        
                                             #    2.13  stalled cycles per insn [31.19%]
    60,259,405,996 branches                  #  245.149 M/sec                   [31.20%]
       778,056,052 branch-misses             #    1.29% of all branches         [31.22%]
    83,416,687,681 L1-dcache-loads           #  339.359 M/sec                   [31.30%]
     3,265,948,102 L1-dcache-load-misses     #    3.92% of all L1-dcache hits   [31.45%]
        40,050,680 LLC-loads                 #    0.163 M/sec                   [25.33%]
        38,607,848 LLC-load-misses           #   96.40% of all LL-cache hits    [25.38%]
   <not supported> L1-icache-loads         
     2,427,778,617 L1-icache-load-misses     #    0.00% of all L1-icache hits   [25.27%]
    84,311,190,001 dTLB-loads                #  342.998 M/sec                   [25.02%]
       162,148,542 dTLB-load-misses          #    0.19% of all dTLB cache hits  [24.94%]
       386,956,613 iTLB-loads                #    1.574 M/sec                   [24.92%]
        40,675,592 iTLB-load-misses          #   10.51% of all iTLB cache hits  [24.95%]
   <not supported> L1-dcache-prefetches    
       378,996,666 L1-dcache-prefetch-misses #    1.542 M/sec                   [25.05%]

      16.160005909 seconds time elapsed


WARNING: Your system uses old "perf", which can not delay data collection.
Therefore, perf performance data includes benchmark warmup.


# Run complete. Total time: 00:01:25

Benchmark                                                         (inflate)  (monitors)  (step)  Mode  Cnt         Score   Error  Units
ContendedMonitorBench.synchronizeAndAccessContendedHeader             false           8       8    ss    1  34071505.657 ±   NaN  us/op
ContendedMonitorBench.synchronizeAndAccessContendedHeader:@cpi        false           8       8    ss    1         1.908 ±   NaN    CPI
ContendedMonitorBench.synchronizeAndAccessOwnHeader                   false           8       8    ss    1  21311763.233 ±   NaN  us/op
ContendedMonitorBench.synchronizeAndAccessOwnHeader:@cpi              false           8       8    ss    1         1.431 ±   NaN    CPI
ContendedMonitorBench.synchronizeAndAccessUncontendedHeader           false           8       8    ss    1  12549522.949 ±   NaN  us/op
ContendedMonitorBench.synchronizeAndAccessUncontendedHeader:@cpi      false           8       8    ss    1         2.610 ±   NaN    CPI