Aleksey Shipilëv shipilev
shipilev
/ gist:6decf0e2b0f7d1d319fa34efeff66270
Last active
December 28, 2016 09:51
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| package org.openjdk; | |
| import java.util.concurrent.TimeUnit; | |
| import java.util.concurrent.atomic.AtomicLongFieldUpdater; | |
| import org.openjdk.jmh.annotations.*; | |
| import org.openjdk.jmh.infra.Blackhole; | |
| /** | |
| * <code> |
shipilev
/ gist:e9afaaf8b7b19e26064c01c631154925
Created
November 22, 2016 18:56
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| @BenchmarkMode(Mode.AverageTime) | |
| @Warmup(iterations = 5) | |
| @Measurement(iterations = 5) | |
| @Fork(3) | |
| @OutputTimeUnit(TimeUnit.NANOSECONDS) | |
| @State(Scope.Benchmark) | |
| public class MyBenchmark { | |
| private static class TestActor extends UntypedActor { | |
| @Override |
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| $ wget -6 keys.gnupg.net | |
| --2014-07-30 16:27:36-- http://keys.gnupg.net/ | |
| Resolving keys.gnupg.net (keys.gnupg.net)... 2001:41d0:8:44d7::1:1, 2001:610:1108:5011::70, 2001:6f8:1c3c:babe::62:1, ... | |
| Connecting to keys.gnupg.net (keys.gnupg.net)|2001:41d0:8:44d7::1:1|:80... connected. | |
| HTTP request sent, awaiting response... 301 Moved Permanently | |
| Location: http://www.adeti.org/ [following] | |
| --2014-07-30 16:27:36-- http://www.adeti.org/ | |
| Resolving www.adeti.org (www.adeti.org)... 2001:41d0:8:44d7::1:1, 91.121.41.109 | |
| $ wget -4 keys.gnupg.net |
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| ### Keybase proof | |
| I hereby claim: | |
| * I am shipilev on github. | |
| * I am shipilev (https://keybase.io/shipilev) on keybase. | |
| * I have a public key whose fingerprint is 0190 82BC 00E0 324E 2AEF 4CF0 0D3B 3285 62A1 19A7 | |
| To claim this, I am signing this object: |
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| Benchmark code: | |
| https://github.com/shipilev/article-exception-benchmarks | |
| Prepare: | |
| $ mvn clean install | |
| Run: | |
| $ java -jar target/microbenchmarks.jar ".*ThrowingStackless.*" -f 1 -wi 5 -i 5 -t ${THREADS} | |
| On 2x12x2 Xeon, JDK 8 GA x86_64: |
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| $ acpitool -B | |
| Battery #1 : present | |
| Remaining capacity : 70810 mWh, 98.95%, 06:39:02 | |
| Design capacity : 82620 mWh | |
| Last full capacity : 71560 mWh, 86.61% of design capacity | |
| Capacity loss : 13.39% | |
| Present rate : 10647 mW | |
| Charging state : Discharging | |
| Battery type : Li-ion | |
| Model number : 42T4710 |
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| $ bin/java -jar ~/projects/jol/jol-cli/target/jol-internals.jar java.lang.String | |
| Running 64-bit HotSpot VM. | |
| Using compressed references with 3-bit shift. | |
| Objects are 8 bytes aligned. | |
| Field sizes by type: 4, 1, 1, 2, 2, 4, 4, 8, 8 [bytes] | |
| Array element sizes: 4, 1, 1, 2, 2, 4, 4, 8, 8 [bytes] | |
| java.lang.String object internals: | |
| OFFSET SIZE TYPE DESCRIPTION VALUE | |
| 0 4 (object header) 01 00 00 00 (0000 0001 0000 0000 0000 0000 0000 0000) |
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| SLOC Directory SLOC-by-Language (Sorted) | |
| 13427 jmh-core java=12043,xml=1384 | |
| 10436 jmh-core-it java=10254,xml=182 | |
| 3088 jmh-core-ct java=2996,xml=92 | |
| 1691 jmh-samples java=1589,xml=102 | |
| 1006 jmh-core-benchmarks java=887,xml=119 | |
| 745 jmh-archetypes xml=738,java=7 | |
| 671 jmh-generator-bytecode java=567,xml=104 | |
| 468 jmh-generator-annprocess java=397,xml=71 | |
| 409 jmh-generator-reflection java=337,xml=72 |
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| SLOC Directory SLOC-by-Language (Sorted) | |
| 3141572 jdk java=2218158,ansic=413685,xml=390872,cpp=87365,sh=17648, | |
| objc=12653,awk=684,haskell=195,asm=157,cs=72,ruby=44,jsp=24,perl=12,csh=3 | |
| 789362 hotspot cpp=521039,java=237280,xml=16275,ansic=9670,asm=2774, | |
| sh=2324 | |
| 273831 langtools java=271273,xml=1472,sh=1086 | |
| 263726 jaxp java=263509,xml=217 | |
| 249946 jaxws java=249735,xml=211 | |
| 103587 corba java=103587 | |
| 76713 nashorn java=75093,xml=1354,sh=266 |
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| $ lspci | |
| 00:00.0 Host bridge: Intel Corporation 82945G/GZ/P/PL Memory Controller Hub (rev 81) | |
| 00:01.0 PCI bridge: Intel Corporation 82945G/GZ/P/PL PCI Express Root Port (rev 81) | |
| 00:1b.0 Audio device: Intel Corporation NM10/ICH7 Family High Definition Audio Controller (rev 01) | |
| 00:1c.0 PCI bridge: Intel Corporation NM10/ICH7 Family PCI Express Port 1 (rev 01) | |
| 00:1c.2 PCI bridge: Intel Corporation NM10/ICH7 Family PCI Express Port 3 (rev 01) | |
| 00:1d.0 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller #1 (rev 01) | |
| 00:1d.1 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller #2 (rev 01) | |
| 00:1d.2 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller #3 (rev 01) | |
| 00:1d.3 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller #4 (rev 01) |