benchresults1

for fs2 chunk size: 4096

sbt:stream-benchmarks> jmh:run -i 10 -wi 10 -f1 -t1 .*LargeStream*
[info] Running (fork) org.openjdk.jmh.Main -i 10 -wi 10 -f1 -t1 .*LargeStream*
[info] # JMH version: 1.19
[info] # VM version: JDK 1.8.0_144, VM 25.144-b01
[info] # VM invoker: /usr/lib/jvm/java-8-oracle/jre/bin/java
[info] # VM options: <none>
[info] # Warmup: 10 iterations, 1 s each
[info] # Measurement: 10 iterations, 1 s each
[info] # Timeout: 10 min per iteration
[info] # Threads: 1 thread, will synchronize iterations
[info] # Benchmark mode: Average time, time/op
[info] # Benchmark: benchmarks.LargeStreamBenchmark.commonsIo
[info] # Run progress: 0.00% complete, ETA 00:01:00
[info] # Fork: 1 of 1
[info] # Warmup Iteration   1: 2.867 s/op
[info] # Warmup Iteration   2: 3.016 s/op
[info] # Warmup Iteration   3: 6.961 s/op
[info] # Warmup Iteration   4: 3.893 s/op
[info] # Warmup Iteration   5: 6.506 s/op
[info] # Warmup Iteration   6: 3.826 s/op
[info] # Warmup Iteration   7: 6.543 s/op
[info] # Warmup Iteration   8: 4.068 s/op
[info] # Warmup Iteration   9: 6.703 s/op
[info] # Warmup Iteration  10: 3.781 s/op
[info] Iteration   1: 3.898 s/op
[info] Iteration   2: 6.685 s/op
[info] Iteration   3: 3.839 s/op
[info] Iteration   4: 6.729 s/op
[info] Iteration   5: 3.935 s/op
[info] Iteration   6: 6.490 s/op
[info] Iteration   7: 3.920 s/op
[info] Iteration   8: 6.534 s/op
[info] Iteration   9: 3.878 s/op
[info] Iteration  10: 6.460 s/op
[info] Result "benchmarks.LargeStreamBenchmark.commonsIo":
[info]   5.237 ±(99.9%) 2.144 s/op [Average]
[info]   (min, avg, max) = (3.839, 5.237, 6.729), stdev = 1.418
[info]   CI (99.9%): [3.093, 7.380] (assumes normal distribution)
[info] # JMH version: 1.19
[info] # VM version: JDK 1.8.0_144, VM 25.144-b01
[info] # VM invoker: /usr/lib/jvm/java-8-oracle/jre/bin/java
[info] # VM options: <none>
[info] # Warmup: 10 iterations, 1 s each
[info] # Measurement: 10 iterations, 1 s each
[info] # Timeout: 10 min per iteration
[info] # Threads: 1 thread, will synchronize iterations
[info] # Benchmark mode: Average time, time/op
[info] # Benchmark: benchmarks.LargeStreamBenchmark.fs2Stream
[info] # Run progress: 33.33% complete, ETA 00:03:27
[info] # Fork: 1 of 1
[info] # Warmup Iteration   1: 19.594 s/op
[info] # Warmup Iteration   2: 17.574 s/op
[info] # Warmup Iteration   3: 19.004 s/op
[info] # Warmup Iteration   4: 22.979 s/op
[info] # Warmup Iteration   5: 22.537 s/op
[info] # Warmup Iteration   6: 22.044 s/op
[info] # Warmup Iteration   7: 22.195 s/op
[info] # Warmup Iteration   8: 21.727 s/op
[info] # Warmup Iteration   9: 22.314 s/op
[info] # Warmup Iteration  10: 22.130 s/op
[info] Iteration   1: 18.886 s/op
[info] Iteration   2: 18.840 s/op
[info] Iteration   3: 18.747 s/op
[info] Iteration   4: 18.220 s/op
[info] Iteration   5: 20.172 s/op
[info] Iteration   6: 20.981 s/op
[info] Iteration   7: 21.028 s/op
[info] Iteration   8: 21.788 s/op
[info] Iteration   9: 21.236 s/op
[info] Iteration  10: 21.661 s/op
[info] Result "benchmarks.LargeStreamBenchmark.fs2Stream":
[info]   20.156 ±(99.9%) 2.054 s/op [Average]
[info]   (min, avg, max) = (18.220, 20.156, 21.788), stdev = 1.359
[info]   CI (99.9%): [18.102, 22.210] (assumes normal distribution)
[info] # JMH version: 1.19
[info] # VM version: JDK 1.8.0_144, VM 25.144-b01
[info] # VM invoker: /usr/lib/jvm/java-8-oracle/jre/bin/java
[info] # VM options: <none>
[info] # Warmup: 10 iterations, 1 s each
[info] # Measurement: 10 iterations, 1 s each
[info] # Timeout: 10 min per iteration
[info] # Threads: 1 thread, will synchronize iterations
[info] # Benchmark mode: Average time, time/op
[info] # Benchmark: benchmarks.LargeStreamBenchmark.monixObservable
[info] # Run progress: 66.67% complete, ETA 00:04:19
[info] # Fork: 1 of 1
[info] # Warmup Iteration   1: 7.121 s/op
[info] # Warmup Iteration   2: 5.868 s/op
[info] # Warmup Iteration   3: 5.669 s/op
[info] # Warmup Iteration   4: 4.873 s/op
[info] # Warmup Iteration   5: 5.107 s/op
[info] # Warmup Iteration   6: 4.829 s/op
[info] # Warmup Iteration   7: 5.029 s/op
[info] # Warmup Iteration   8: 4.578 s/op
[info] # Warmup Iteration   9: 7.827 s/op
[info] # Warmup Iteration  10: 4.592 s/op
[info] Iteration   1: 4.169 s/op
[info] Iteration   2: 5.429 s/op
[info] Iteration   3: 4.319 s/op
[info] Iteration   4: 4.701 s/op
[info] Iteration   5: 4.704 s/op
[info] Iteration   6: 4.716 s/op
[info] Iteration   7: 7.590 s/op
[info] Iteration   8: 4.563 s/op
[info] Iteration   9: 6.160 s/op
[info] Iteration  10: 4.172 s/op
[info] Result "benchmarks.LargeStreamBenchmark.monixObservable":
[info]   5.052 ±(99.9%) 1.633 s/op [Average]
[info]   (min, avg, max) = (4.169, 5.052, 7.590), stdev = 1.080
[info]   CI (99.9%): [3.419, 6.685] (assumes normal distribution)
[info] # Run complete. Total time: 00:10:27
[info] Benchmark                             Mode  Cnt   Score   Error  Units
[info] LargeStreamBenchmark.commonsIo        avgt   10   5.237 ± 2.144   s/op
[info] LargeStreamBenchmark.fs2Stream        avgt   10  20.156 ± 2.054   s/op
[info] LargeStreamBenchmark.monixObservable  avgt   10   5.052 ± 1.633   s/op

for fs2 chunk size: 10240:

[info] # JMH version: 1.19
[info] # VM version: JDK 1.8.0_144, VM 25.144-b01
[info] # VM invoker: /usr/lib/jvm/java-8-oracle/jre/bin/java
[info] # VM options: <none>
[info] # Warmup: 10 iterations, 1 s each
[info] # Measurement: 10 iterations, 1 s each
[info] # Timeout: 10 min per iteration
[info] # Threads: 1 thread, will synchronize iterations
[info] # Benchmark mode: Average time, time/op
[info] # Benchmark: benchmarks.LargeStreamBenchmark.fs2Stream
[info] # Run progress: 33.33% complete, ETA 00:00:00
[info] # Fork: 1 of 1
[info] # Warmup Iteration   1: 15.500 s/op
[info] # Warmup Iteration   2: 17.090 s/op
[info] # Warmup Iteration   3: 16.000 s/op
[info] # Warmup Iteration   4: 19.613 s/op
[info] # Warmup Iteration   5: 19.944 s/op
[info] # Warmup Iteration   6: 20.350 s/op
[info] # Warmup Iteration   7: 19.079 s/op
[info] # Warmup Iteration   8: 19.090 s/op
[info] # Warmup Iteration   9: 18.230 s/op
[info] # Warmup Iteration  10: 20.137 s/op
[info] Iteration   1: 19.776 s/op
[info] Iteration   2: 17.724 s/op
[info] Iteration   3: 19.180 s/op
[info] Iteration   4: 18.163 s/op
[info] Iteration   5: 19.285 s/op
[info] Iteration   6: 20.620 s/op
[info] Iteration   7: 21.543 s/op
[info] Iteration   8: 20.386 s/op
[info] Iteration   9: 18.413 s/op
[info] Iteration  10: 17.813 s/op
[info] Result "benchmarks.LargeStreamBenchmark.fs2Stream":
[info]   19.290 ±(99.9%) 1.950 s/op [Average]
[info]   (min, avg, max) = (17.724, 19.290, 21.543), stdev = 1.290
[info]   CI (99.9%): [17.341, 21.240] (assumes normal distribution)


tech:
Linux debbie-ann 4.9.0-3-amd64 #1 SMP Debian 4.9.30-2+deb9u5 (2017-09-19) x86_64 GNU/Linux
Architecture:          x86_64
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                4
On-line CPU(s) list:   0-3
Thread(s) per core:    1
Core(s) per socket:    4
Socket(s):             1
NUMA node(s):          1
Vendor ID:             GenuineIntel
CPU family:            6
Model:                 60
Model name:            Intel(R) Core(TM) i5-4590 CPU @ 3.30GHz
Stepping:              3
CPU MHz:               3597.290
CPU max MHz:           3700.0000
CPU min MHz:           800.0000
BogoMIPS:              6599.52
Virtualization:        VT-x
L1d cache:             32K
L1i cache:             32K
L2 cache:              256K
L3 cache:              6144K