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Update README.md
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‎jsoniter-scala-examples/README.md

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@@ -12,26 +12,26 @@ sudo apt install linux-tools-common linux-tools-generic
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sudo sysctl kernel.perf_event_paranoid=1
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scala-cli --power package --assembly example01.sc --force -o example01.jar
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ls -l ./example01.jar
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perf stat -r 100 ./example01.jar > /dev/null
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perf stat -r 100 java --sun-misc-unsafe-memory-access=allow -jar ./example01.jar > /dev/null
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```
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Expected output:
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```text
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Performance counter stats for './example01.jar' (100 runs):
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202.75 msec task-clock # 2.286 CPUs utilized ( +- 0.27% )
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2,191 context-switches # 10.806 K/sec ( +- 1.53% )
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39 cpu-migrations # 192.356 /sec ( +- 2.49% )
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24,775 page-faults # 122.195 K/sec ( +- 0.27% )
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303,999,880 cpu_atom/cycles/ # 1.499 GHz ( +- 3.51% ) (71.71%)
26-
1,005,678,639 cpu_core/cycles/ # 4.960 GHz ( +- 0.44% ) (77.24%)
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431,508,692 cpu_atom/instructions/ # 1.42 insn per cycle ( +- 3.69% ) (71.71%)
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1,684,651,998 cpu_core/instructions/ # 5.54 insn per cycle ( +- 0.47% ) (77.24%)
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83,740,906 cpu_atom/branches/ # 413.027 M/sec ( +- 3.78% ) (71.71%)
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335,230,949 cpu_core/branches/ # 1.653 G/sec ( +- 0.49% ) (77.24%)
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2,017,405 cpu_atom/branch-misses/ # 2.41% of all branches ( +- 4.20% ) (71.71%)
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9,450,892 cpu_core/branch-misses/ # 11.29% of all branches ( +- 0.47% ) (77.24%)
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205.66 msec task-clock # 2.215 CPUs utilized ( +- 0.30% )
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1,624 context-switches # 7.897 K/sec ( +- 0.83% )
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17 cpu-migrations # 82.662 /sec ( +- 1.67% )
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23,158 page-faults # 112.605 K/sec ( +- 0.09% )
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1,195,984,140 cpu_atom/instructions/ # 1.57 insn per cycle ( +- 1.24% )
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906,422,673 cpu_core/instructions/ # 1.77 insn per cycle ( +- 2.94% ) (39.78%)
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762,329,450 cpu_atom/cycles/ # 3.707 GHz ( +- 1.34% )
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513,382,841 cpu_core/cycles/ # 2.496 GHz ( +- 3.75% ) (39.78%)
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237,678,684 cpu_atom/branches/ # 1.156 G/sec ( +- 1.24% )
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174,316,667 cpu_core/branches/ # 847.610 M/sec ( +- 3.18% ) (39.78%)
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6,725,338 cpu_atom/branch-misses/ # 2.83% of all branches ( +- 1.78% )
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5,919,295 cpu_core/branch-misses/ # 3.40% of all branches ( +- 4.63% ) (39.78%)
3333
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0.088700 +- 0.000135 seconds time elapsed ( +- 0.15% )
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0.092830 +- 0.000511 seconds time elapsed ( +- 0.55% )
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```
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### Build Scala JS output, print its size, and measure its start up time with `node` (tested with node.js 22)
@@ -49,20 +49,20 @@ Expected output:
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```text
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Performance counter stats for 'node ./example01.js' (100 runs):
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14.90 msec task-clock # 1.014 CPUs utilized ( +- 0.30% )
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20 context-switches # 1.343 K/sec ( +- 1.60% )
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2 cpu-migrations # 134.254 /sec ( +- 5.08% )
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2,748 page-faults # 184.466 K/sec ( +- 0.00% )
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45,371,808 cpu_atom/cycles/ # 3.046 GHz ( +- 2.61% ) (20.12%)
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75,772,761 cpu_core/cycles/ # 5.086 GHz ( +- 0.32% ) (85.22%)
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97,892,289 cpu_atom/instructions/ # 2.16 insn per cycle ( +- 3.38% ) (20.12%)
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165,775,873 cpu_core/instructions/ # 3.65 insn per cycle ( +- 0.29% ) (85.22%)
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16,573,542 cpu_atom/branches/ # 1.113 G/sec ( +- 3.35% ) (20.12%)
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28,245,004 cpu_core/branches/ # 1.896 G/sec ( +- 0.27% ) (85.22%)
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97,278 cpu_atom/branch-misses/ # 0.59% of all branches ( +- 11.08% ) (20.12%)
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573,362 cpu_core/branch-misses/ # 3.46% of all branches ( +- 0.72% ) (85.22%)
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17.64 msec task-clock # 0.994 CPUs utilized ( +- 0.14% )
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18 context-switches # 1.021 K/sec ( +- 1.43% )
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2 cpu-migrations # 113.401 /sec ( +- 2.30% )
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2,760 page-faults # 156.494 K/sec ( +- 0.01% )
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170,140,863 cpu_atom/instructions/ # 2.12 insn per cycle ( +- 0.01% )
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<not counted> cpu_core/instructions/ ( +- 26.12% ) (0.00%)
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80,128,642 cpu_atom/cycles/ # 4.543 GHz ( +- 0.14% )
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<not counted> cpu_core/cycles/ ( +- 26.44% ) (0.00%)
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28,956,452 cpu_atom/branches/ # 1.642 G/sec ( +- 0.01% )
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<not counted> cpu_core/branches/ ( +- 25.84% ) (0.00%)
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560,195 cpu_atom/branch-misses/ # 1.93% of all branches ( +- 0.04% )
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<not counted> cpu_core/branch-misses/ ( +- 24.67% ) (0.00%)
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0.0146864 +- 0.0000435 seconds time elapsed ( +- 0.30% )
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0.0177346 +- 0.0000278 seconds time elapsed ( +- 0.16% )
6666
```
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### Build Scala JS Wasm output, print its size, and measure its start up time with `node` (tested with node.js 22)
@@ -81,20 +81,20 @@ Expected output:
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```text
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Performance counter stats for 'node --experimental-wasm-exnref ./example01.js/main.js' (100 runs):
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23.36 msec task-clock # 1.036 CPUs utilized ( +- 0.23% )
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61 context-switches # 2.611 K/sec ( +- 0.47% )
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3 cpu-migrations # 128.413 /sec ( +- 4.53% )
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3,156 page-faults # 135.090 K/sec ( +- 0.01% )
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81,924,942 cpu_atom/cycles/ # 3.507 GHz ( +- 0.93% ) (10.81%)
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115,425,581 cpu_core/cycles/ # 4.941 GHz ( +- 0.30% )
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151,891,461 cpu_atom/instructions/ # 1.85 insn per cycle ( +- 1.65% ) (10.81%)
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228,699,784 cpu_core/instructions/ # 2.79 insn per cycle ( +- 0.23% )
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26,745,975 cpu_atom/branches/ # 1.145 G/sec ( +- 1.49% ) (10.81%)
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39,592,483 cpu_core/branches/ # 1.695 G/sec ( +- 0.24% )
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459,225 cpu_atom/branch-misses/ # 1.72% of all branches ( +- 1.76% ) (10.81%)
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1,062,312 cpu_core/branch-misses/ # 3.97% of all branches ( +- 0.30% )
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27.40 msec task-clock # 1.023 CPUs utilized ( +- 0.11% )
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57 context-switches # 2.080 K/sec ( +- 0.54% )
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3 cpu-migrations # 109.497 /sec ( +- 3.18% )
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3,187 page-faults # 116.323 K/sec ( +- 0.01% )
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242,622,105 cpu_atom/instructions/ # 1.95 insn per cycle ( +- 0.01% )
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<not counted> cpu_core/instructions/ ( +- 30.95% ) (0.00%)
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124,113,120 cpu_atom/cycles/ # 4.530 GHz ( +- 0.10% )
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<not counted> cpu_core/cycles/ ( +- 30.29% ) (0.00%)
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42,063,607 cpu_atom/branches/ # 1.535 G/sec ( +- 0.01% )
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<not counted> cpu_core/branches/ ( +- 31.04% ) (0.00%)
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1,072,114 cpu_atom/branch-misses/ # 2.55% of all branches ( +- 0.04% )
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<not counted> cpu_core/branch-misses/ ( +- 29.68% ) (0.00%)
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0.0225519 +- 0.0000530 seconds time elapsed ( +- 0.23% )
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0.0267775 +- 0.0000388 seconds time elapsed ( +- 0.14% )
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```
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### Build GraalVM native image, print its size, and measure its start up time (tested with Oracle GraalVM 24)
@@ -110,49 +110,49 @@ Expected output:
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```text
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Performance counter stats for './example01_graalvm.bin' (100 runs):
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1.08 msec task-clock # 0.911 CPUs utilized ( +- 0.73% )
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1 context-switches # 927.547 /sec ( +- 4.79% )
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1.01 msec task-clock # 0.893 CPUs utilized ( +- 0.46% )
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1 context-switches # 988.945 /sec ( +- 4.40% )
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0 cpu-migrations # 0.000 /sec
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477 page-faults # 442.440 K/sec ( +- 0.01% )
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4,315,458 cpu_atom/cycles/ # 4.003 GHz ( +- 1.85% ) (19.75%)
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3,872,466 cpu_core/cycles/ # 3.592 GHz ( +- 5.11% )
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10,829,542 cpu_atom/instructions/ # 2.51 insn per cycle ( +- 2.48% ) (19.75%)
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5,351,563 cpu_core/instructions/ # 1.24 insn per cycle ( +- 5.21% )
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1,856,118 cpu_atom/branches/ # 1.722 G/sec ( +- 2.33% ) (19.75%)
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1,000,400 cpu_core/branches/ # 927.918 M/sec ( +- 5.18% )
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7,651 cpu_atom/branch-misses/ # 0.41% of all branches ( +- 6.90% ) (19.75%)
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11,792 cpu_core/branch-misses/ # 0.64% of all branches ( +- 5.28% )
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470 page-faults # 464.804 K/sec ( +- 0.01% )
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7,312,659 cpu_atom/instructions/ # 1.59 insn per cycle ( +- 0.10% )
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<not counted> cpu_core/instructions/ (0.00%)
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4,591,123 cpu_atom/cycles/ # 4.540 GHz ( +- 0.37% )
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<not counted> cpu_core/cycles/ (0.00%)
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1,319,275 cpu_atom/branches/ # 1.305 G/sec ( +- 0.09% )
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<not counted> cpu_core/branches/ (0.00%)
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10,884 cpu_atom/branch-misses/ # 0.82% of all branches ( +- 1.27% )
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<not counted> cpu_core/branch-misses/ (0.00%)
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0.00118361 +- 0.00000667 seconds time elapsed ( +- 0.56% )
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0.00113238 +- 0.00000577 seconds time elapsed ( +- 0.51% )
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```
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### Build Scala Native image, print its size, and measure its start up time (tested with Scala Native 0.5.7)
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```sh
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sudo apt install linux-tools-common linux-tools-generic clang libstdc++-12-dev libgc-dev
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sudo sysctl kernel.perf_event_paranoid=1
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scala-cli --power package --native-version 0.5.7 --native example01.sc --native-mode release-full --force -o example01_native.bin
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scala-cli --power package --native-version 0.5.8 --native example01.sc --native-mode release-full --force -o example01_native.bin
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ls -l ./example01_native.bin
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perf stat -r 100 ./example01_native.bin > /dev/null
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```
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Expected output:
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```text
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Performance counter stats for './example01_native.bin' (100 runs):
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0.71 msec task-clock # 0.855 CPUs utilized ( +- 0.64% )
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0.81 msec task-clock # 0.801 CPUs utilized ( +- 0.22% )
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0 context-switches # 0.000 /sec
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0 cpu-migrations # 0.000 /sec
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731 page-faults # 1.024 M/sec ( +- 0.01% )
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<not counted> cpu_atom/cycles/ ( +-100.00% ) (0.00%)
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3,769,012 cpu_core/cycles/ # 5.280 GHz ( +- 1.17% )
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<not counted> cpu_atom/instructions/ ( +-100.00% ) (0.00%)
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5,907,572 cpu_core/instructions/ # 139.11 insn per cycle ( +- 1.02% )
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<not counted> cpu_atom/branches/ ( +-100.01% ) (0.00%)
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1,055,882 cpu_core/branches/ # 1.479 G/sec ( +- 1.02% )
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<not counted> cpu_atom/branch-misses/ ( +-100.62% ) (0.00%)
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9,104 cpu_core/branch-misses/ # 84.85% of all branches ( +- 1.35% )
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0.00083490 +- 0.00000519 seconds time elapsed ( +- 0.62% )
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732 page-faults # 900.150 K/sec ( +- 0.02% )
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5,950,991 cpu_atom/instructions/ # 1.60 insn per cycle ( +- 0.08% )
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<not counted> cpu_core/instructions/ (0.00%)
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3,728,384 cpu_atom/cycles/ # 4.585 GHz ( +- 0.22% )
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<not counted> cpu_core/cycles/ (0.00%)
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1,062,936 cpu_atom/branches/ # 1.307 G/sec ( +- 0.08% )
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<not counted> cpu_core/branches/ (0.00%)
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7,488 cpu_atom/branch-misses/ # 0.70% of all branches ( +- 1.09% )
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<not counted> cpu_core/branch-misses/ (0.00%)
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0.00101568 +- 0.00000732 seconds time elapsed ( +- 0.72% )
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```
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## RFC-8259 validation (example02)

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