# JMH 1.6.3 (released 5 days ago)
# VM invoker: /aurora/clredest/contended/jdk-padded/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: 16 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: 19083295.092 ±(99.9%) 2601626.134 us/op
# Processing profiler results: perf 


Run result: 19083295.09 us/op (<= 2 samples)

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

     241957.676142 task-clock                #   10.791 CPUs utilized          
         8,412,390 context-switches          #    0.035 M/sec                  
               319 CPU-migrations            #    0.000 M/sec                  
             9,432 page-faults               #    0.000 M/sec                  
   669,929,798,350 cycles                    #    2.769 GHz                     [25.07%]
   473,810,145,377 stalled-cycles-frontend   #   70.73% frontend cycles idle    [25.11%]
   373,613,701,528 stalled-cycles-backend    #   55.77% backend  cycles idle    [25.06%]
   461,459,894,503 instructions              #    0.69  insns per cycle        
                                             #    1.03  stalled cycles per insn [31.27%]
    86,683,968,732 branches                  #  358.261 M/sec                   [31.28%]
       329,893,777 branch-misses             #    0.38% of all branches         [31.27%]
   160,920,620,123 L1-dcache-loads           #  665.078 M/sec                   [31.18%]
     2,854,958,794 L1-dcache-load-misses     #    1.77% of all L1-dcache hits   [31.22%]
         5,286,232 LLC-loads                 #    0.022 M/sec                   [25.01%]
         4,200,183 LLC-load-misses           #   79.46% of all LL-cache hits    [25.04%]
   <not supported> L1-icache-loads         
     2,605,316,702 L1-icache-load-misses     #    0.00% of all L1-icache hits   [25.09%]
   161,568,419,467 dTLB-loads                #  667.755 M/sec                   [25.10%]
        70,275,930 dTLB-load-misses          #    0.04% of all dTLB cache hits  [25.05%]
       137,170,853 iTLB-loads                #    0.567 M/sec                   [25.05%]
        79,191,845 iTLB-load-misses          #   57.73% of all iTLB cache hits  [25.05%]
   <not supported> L1-dcache-prefetches    
       349,260,814 L1-dcache-prefetch-misses #    1.443 M/sec                   [25.02%]

      22.421803464 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-padded/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: 16 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 00:00:44
# Fork: 1 of 1
# Preparing profilers: perf 
# Profilers consume stderr from target VM, use -v EXTRA to copy to console
Iteration   1: 14623829.158 ±(99.9%) 2338923.226 us/op
# Processing profiler results: perf 


Run result: 14623829.16 us/op (<= 2 samples)

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

     188947.287165 task-clock                #   10.459 CPUs utilized          
         6,414,392 context-switches          #    0.034 M/sec                  
               353 CPU-migrations            #    0.000 M/sec                  
             9,405 page-faults               #    0.000 M/sec                  
   523,329,255,566 cycles                    #    2.770 GHz                     [25.17%]
   336,592,898,866 stalled-cycles-frontend   #   64.32% frontend cycles idle    [25.10%]
   239,882,556,334 stalled-cycles-backend    #   45.84% backend  cycles idle    [24.97%]
   448,662,253,801 instructions              #    0.86  insns per cycle        
                                             #    0.75  stalled cycles per insn [31.17%]
    83,911,677,843 branches                  #  444.101 M/sec                   [31.18%]
       312,875,251 branch-misses             #    0.37% of all branches         [31.18%]
   156,054,606,862 L1-dcache-loads           #  825.916 M/sec                   [31.26%]
     2,479,756,288 L1-dcache-load-misses     #    1.59% of all L1-dcache hits   [31.26%]
         9,350,624 LLC-loads                 #    0.049 M/sec                   [25.04%]
         3,092,971 LLC-load-misses           #   33.08% of all LL-cache hits    [25.06%]
   <not supported> L1-icache-loads         
     1,975,357,004 L1-icache-load-misses     #    0.00% of all L1-icache hits   [25.03%]
   156,748,014,426 dTLB-loads                #  829.586 M/sec                   [25.12%]
        54,519,026 dTLB-load-misses          #    0.03% of all dTLB cache hits  [25.08%]
        76,521,378 iTLB-loads                #    0.405 M/sec                   [25.08%]
        53,893,973 iTLB-load-misses          #   70.43% of all iTLB cache hits  [25.14%]
   <not supported> L1-dcache-prefetches    
       292,955,323 L1-dcache-prefetch-misses #    1.550 M/sec                   [25.10%]

      18.064808626 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-padded/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: 16 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 00:00:20
# Fork: 1 of 1
# Preparing profilers: perf 
# Profilers consume stderr from target VM, use -v EXTRA to copy to console
Iteration   1: 8228128.654 ±(99.9%) 663673.626 us/op
# Processing profiler results: perf 


Run result: 8228128.65 us/op (<= 2 samples)

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

     118179.180768 task-clock                #   12.647 CPUs utilized          
         1,491,364 context-switches          #    0.013 M/sec                  
               341 CPU-migrations            #    0.000 M/sec                  
             9,453 page-faults               #    0.000 M/sec                  
   335,460,172,532 cycles                    #    2.839 GHz                     [25.14%]
   257,397,295,778 stalled-cycles-frontend   #   76.73% frontend cycles idle    [25.15%]
   213,914,632,702 stalled-cycles-backend    #   63.77% backend  cycles idle    [25.06%]
   168,101,549,095 instructions              #    0.50  insns per cycle        
                                             #    1.53  stalled cycles per insn [31.32%]
    34,401,799,393 branches                  #  291.099 M/sec                   [31.35%]
       243,339,728 branch-misses             #    0.71% of all branches         [31.32%]
    60,277,976,554 L1-dcache-loads           #  510.056 M/sec                   [31.29%]
     1,570,568,135 L1-dcache-load-misses     #    2.61% of all L1-dcache hits   [31.35%]
         4,976,939 LLC-loads                 #    0.042 M/sec                   [25.02%]
         2,621,174 LLC-load-misses           #   52.67% of all LL-cache hits    [25.06%]
   <not supported> L1-icache-loads         
       682,778,390 L1-icache-load-misses     #    0.00% of all L1-icache hits   [25.05%]
    60,427,382,720 dTLB-loads                #  511.320 M/sec                   [25.02%]
        20,771,466 dTLB-load-misses          #    0.03% of all dTLB cache hits  [25.04%]
        37,424,199 iTLB-loads                #    0.317 M/sec                   [25.09%]
        22,863,863 iTLB-load-misses          #   61.09% of all iTLB cache hits  [25.12%]
   <not supported> L1-dcache-prefetches    
       316,593,296 L1-dcache-prefetch-misses #    2.679 M/sec                   [25.17%]

       9.344268880 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: 00:00:49

Benchmark                                                         (inflate)  (monitors)  (step)  Mode  Cnt         Score   Error  Units
ContendedMonitorBench.synchronizeAndAccessContendedHeader             false           8       8    ss    1  19083295.092 ±   NaN  us/op
ContendedMonitorBench.synchronizeAndAccessContendedHeader:@cpi        false           8       8    ss    1         1.452 ±   NaN    CPI
ContendedMonitorBench.synchronizeAndAccessOwnHeader                   false           8       8    ss    1  14623829.158 ±   NaN  us/op
ContendedMonitorBench.synchronizeAndAccessOwnHeader:@cpi              false           8       8    ss    1         1.166 ±   NaN    CPI
ContendedMonitorBench.synchronizeAndAccessUncontendedHeader           false           8       8    ss    1   8228128.654 ±   NaN  us/op
ContendedMonitorBench.synchronizeAndAccessUncontendedHeader:@cpi      false           8       8    ss    1         1.996 ±   NaN    CPI