vy commented on issue #335: Import of LogstashLayout as JsonTemplateLayout URL: https://github.com/apache/logging-log4j2/pull/335#issuecomment-579835151 @remkop, please note the revamp in ed1dda4. The results on my machine are as follows: ``` $ uname -a Linux tahta 4.15.0-70-generic #79-Ubuntu SMP Tue Nov 12 10:36:11 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux $ grep "model name" /proc/cpuinfo | head -n 1 model name : Intel(R) Core(TM) i7-6820HQ CPU @ 2.70GHz $ cat /proc/cpuinfo | grep processor | wc -l 8 $ java -version openjdk version "11.0.2" 2019-01-15 OpenJDK Runtime Environment AdoptOpenJDK (build 11.0.2+9) OpenJDK 64-Bit Server VM AdoptOpenJDK (build 11.0.2+9, mixed mode) $ java -jar log4j-perf/target/benchmarks.jar ".*ThreadLocalVsPool.*" -f 1 -wi 10 -i 20 -tu ns -bm sample -t 4 sample 27754662 492.377 ± 6.634 ns/op NoOp·p0.00 sample 263.000 ns/op NoOp·p0.50 sample 353.000 ns/op NoOp·p0.90 sample 610.000 ns/op NoOp·p0.95 sample 746.000 ns/op NoOp·p0.99 sample 1516.000 ns/op NoOp·p0.999 sample 10800.000 ns/op NoOp·p0.9999 sample 26240.000 ns/op NoOp·p1.00 sample 9797632.000 ns/op sample 20835106 352.366 ± 0.354 ns/op ThreadLocal·p0.00 sample 251.000 ns/op ThreadLocal·p0.50 sample 324.000 ns/op ThreadLocal·p0.90 sample 331.000 ns/op ThreadLocal·p0.95 sample 573.000 ns/op ThreadLocal·p0.99 sample 785.000 ns/op ThreadLocal·p0.999 sample 2384.000 ns/op ThreadLocal·p0.9999 sample 15232.000 ns/op ThreadLocal·p1.00 sample 1386496.000 ns/op sample 20989233 599.494 ± 0.432 ns/op RightProvisionedJc·p0.00 sample 265.000 ns/op RightProvisionedJc·p0.50 sample 523.000 ns/op RightProvisionedJc·p0.90 sample 841.000 ns/op RightProvisionedJc·p0.95 sample 942.000 ns/op RightProvisionedJc·p0.99 sample 1194.000 ns/op RightProvisionedJc·p0.999 sample 5032.000 ns/op RightProvisionedJc·p0.9999 sample 18976.000 ns/op RightProvisionedJc·p1.00 sample 1038336.000 ns/op sample 20839035 624.378 ± 3.719 ns/op UnderProvisionedJc·p0.00 sample 267.000 ns/op UnderProvisionedJc·p0.50 sample 547.000 ns/op UnderProvisionedJc·p0.90 sample 776.000 ns/op UnderProvisionedJc·p0.95 sample 931.000 ns/op UnderProvisionedJc·p0.99 sample 1466.000 ns/op UnderProvisionedJc·p0.999 sample 5928.000 ns/op UnderProvisionedJc·p0.9999 sample 19008.000 ns/op UnderProvisionedJc·p1.00 sample 9011200.000 ns/op ``` Either I am missing something big or G1 in JDK 11 is creating miracles. I would appreciate some insight here.
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