# 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: 16 threads
# Benchmark mode: Single shot invocation time
# Benchmark: org.openjdk.micros.contended.ContendedMonitorBench.synchronizeAndAccessContendedHeader
# Parameters: (inflate = false, monitors = 16, 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: 3952145.280 ±(99.9%) 1795091.271 us/op
# Processing profiler results: perf 


Run result: 3952145.28 us/op (<= 2 samples)

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

      63510.989749 task-clock                #    9.335 CPUs utilized          
             3,753 context-switches          #    0.000 M/sec                  
               260 CPU-migrations            #    0.000 M/sec                  
            13,438 page-faults               #    0.000 M/sec                  
   182,902,441,206 cycles                    #    2.880 GHz                     [25.18%]
   120,247,445,507 stalled-cycles-frontend   #   65.74% frontend cycles idle    [25.16%]
    91,712,056,465 stalled-cycles-backend    #   50.14% backend  cycles idle    [25.11%]
   200,180,417,603 instructions              #    1.09  insns per cycle        
                                             #    0.60  stalled cycles per insn [31.43%]
    35,962,235,834 branches                  #  566.236 M/sec                   [31.40%]
        13,509,921 branch-misses             #    0.04% of all branches         [31.42%]
    67,574,774,698 L1-dcache-loads           # 1063.986 M/sec                   [31.45%]
       427,318,703 L1-dcache-load-misses     #    0.63% of all L1-dcache hits   [31.44%]
            50,631 LLC-loads                 #    0.001 M/sec                   [25.13%]
            37,518 LLC-load-misses           #   74.10% of all LL-cache hits    [25.20%]
   <not supported> L1-icache-loads         
        11,510,697 L1-icache-load-misses     #    0.00% of all L1-icache hits   [25.16%]
    67,644,162,744 dTLB-loads                # 1065.078 M/sec                   [25.15%]
         1,085,547 dTLB-load-misses          #    0.00% of all dTLB cache hits  [25.10%]
         1,011,621 iTLB-loads                #    0.016 M/sec                   [25.10%]
           967,475 iTLB-load-misses          #   95.64% of all iTLB cache hits  [25.12%]
   <not supported> L1-dcache-prefetches    
        11,585,943 L1-dcache-prefetch-misses #    0.182 M/sec                   [25.16%]

       6.803444727 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: 16 threads
# Benchmark mode: Single shot invocation time
# Benchmark: org.openjdk.micros.contended.ContendedMonitorBench.synchronizeAndAccessOwnHeader
# Parameters: (inflate = false, monitors = 16, step = 8)

# Run progress: 33.33% complete, ETA 00:00:13
# Fork: 1 of 1
# Preparing profilers: perf 
# Profilers consume stderr from target VM, use -v EXTRA to copy to console
Iteration   1: 2554707.615 ±(99.9%) 473270.974 us/op
# Processing profiler results: perf 


Run result: 2554707.62 us/op (<= 2 samples)

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

      41205.741549 task-clock                #   12.894 CPUs utilized          
             4,033 context-switches          #    0.000 M/sec                  
               318 CPU-migrations            #    0.000 M/sec                  
            13,491 page-faults               #    0.000 M/sec                  
   118,252,828,687 cycles                    #    2.870 GHz                     [25.16%]
    56,472,897,226 stalled-cycles-frontend   #   47.76% frontend cycles idle    [25.10%]
    18,003,665,178 stalled-cycles-backend    #   15.22% backend  cycles idle    [25.19%]
   198,161,066,898 instructions              #    1.68  insns per cycle        
                                             #    0.28  stalled cycles per insn [31.55%]
    35,624,039,932 branches                  #  864.541 M/sec                   [31.57%]
        10,254,696 branch-misses             #    0.03% of all branches         [31.67%]
    66,989,983,825 L1-dcache-loads           # 1625.744 M/sec                   [31.70%]
        18,381,552 L1-dcache-load-misses     #    0.03% of all L1-dcache hits   [31.63%]
            71,603 LLC-loads                 #    0.002 M/sec                   [25.17%]
            16,909 LLC-load-misses           #   23.61% of all LL-cache hits    [25.21%]
   <not supported> L1-icache-loads         
        10,455,141 L1-icache-load-misses     #    0.00% of all L1-icache hits   [25.19%]
    68,029,094,683 dTLB-loads                # 1650.962 M/sec                   [25.13%]
         1,602,732 dTLB-load-misses          #    0.00% of all dTLB cache hits  [25.17%]
         1,489,783 iTLB-loads                #    0.036 M/sec                   [25.26%]
         1,117,027 iTLB-load-misses          #   74.98% of all iTLB cache hits  [25.28%]
   <not supported> L1-dcache-prefetches    
         5,774,669 L1-dcache-prefetch-misses #    0.140 M/sec                   [25.27%]

       3.195755703 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: 16 threads
# Benchmark mode: Single shot invocation time
# Benchmark: org.openjdk.micros.contended.ContendedMonitorBench.synchronizeAndAccessUncontendedHeader
# Parameters: (inflate = false, monitors = 16, step = 8)

# Run progress: 66.67% complete, ETA 00:00:05
# Fork: 1 of 1
# Preparing profilers: perf 
# Profilers consume stderr from target VM, use -v EXTRA to copy to console
Iteration   1: 1399198.733 ±(99.9%) 30635.150 us/op
# Processing profiler results: perf 


Run result: 1399198.73 us/op (<= 2 samples)

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

      22771.224079 task-clock                #   13.222 CPUs utilized          
             3,871 context-switches          #    0.000 M/sec                  
               254 CPU-migrations            #    0.000 M/sec                  
            13,291 page-faults               #    0.001 M/sec                  
    65,053,699,123 cycles                    #    2.857 GHz                     [25.42%]
    46,462,992,058 stalled-cycles-frontend   #   71.42% frontend cycles idle    [25.41%]
    29,262,309,182 stalled-cycles-backend    #   44.98% backend  cycles idle    [25.60%]
    53,262,602,497 instructions              #    0.82  insns per cycle        
                                             #    0.87  stalled cycles per insn [32.15%]
    11,687,523,951 branches                  #  513.258 M/sec                   [32.12%]
         9,327,513 branch-misses             #    0.08% of all branches         [32.10%]
    17,029,094,356 L1-dcache-loads           #  747.834 M/sec                   [31.99%]
        49,187,202 L1-dcache-load-misses     #    0.29% of all L1-dcache hits   [31.81%]
             1,964 LLC-loads                 #    0.000 M/sec                   [25.41%]
             2,643 LLC-load-misses           #  134.57% of all LL-cache hits    [25.27%]
   <not supported> L1-icache-loads         
        10,237,123 L1-icache-load-misses     #    0.00% of all L1-icache hits   [25.13%]
    18,674,129,018 dTLB-loads                #  820.076 M/sec                   [25.04%]
           909,572 dTLB-load-misses          #    0.00% of all dTLB cache hits  [24.99%]
           927,896 iTLB-loads                #    0.041 M/sec                   [25.23%]
         1,049,773 iTLB-load-misses          #  113.13% of all iTLB cache hits  [25.23%]
   <not supported> L1-dcache-prefetches    
        12,622,394 L1-dcache-prefetch-misses #    0.554 M/sec                   [25.39%]

       1.722251687 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: 00:00:11

Benchmark                                                         (inflate)  (monitors)  (step)  Mode  Cnt        Score   Error  Units
ContendedMonitorBench.synchronizeAndAccessContendedHeader             false          16       8    ss    1  3952145.280 ±   NaN  us/op
ContendedMonitorBench.synchronizeAndAccessContendedHeader:@cpi        false          16       8    ss    1        0.914 ±   NaN    CPI
ContendedMonitorBench.synchronizeAndAccessOwnHeader                   false          16       8    ss    1  2554707.615 ±   NaN  us/op
ContendedMonitorBench.synchronizeAndAccessOwnHeader:@cpi              false          16       8    ss    1        0.597 ±   NaN    CPI
ContendedMonitorBench.synchronizeAndAccessUncontendedHeader           false          16       8    ss    1  1399198.733 ±   NaN  us/op
ContendedMonitorBench.synchronizeAndAccessUncontendedHeader:@cpi      false          16       8    ss    1        1.221 ±   NaN    CPI