Chris Newland chriswhocodes
chriswhocodes
/ gist:5516d24078205dc218dead870853e018
Created
May 25, 2016 07:52
JavaFX crash on VideoDataBuffer.convertToFormat
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Process: java [900] | |
| Path: | |
| /Library/Java/JavaVirtualMachines/jdk1.8.0_92_openjfx/Contents/Home/bin/java | |
| Identifier: java | |
| Version: 1.0 (1.0) | |
| Code Type: X86-64 (Native) | |
| Parent Process: eclipse [601] | |
| Responsible: java [900] | |
| User ID: 501 |
chriswhocodes
/ PathtracerMT.java
Last active
March 14, 2019 23:33
Multithreaded version of @shelajev Java port of the postcard raytracer by Fabien Sanglard
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| package org.example.pathtracer.multithreaded; | |
| import java.io.*; | |
| import java.nio.charset.StandardCharsets; | |
| import java.nio.file.Files; | |
| import java.nio.file.Path; | |
| import java.nio.file.Paths; | |
| import java.util.Random; | |
| import java.util.concurrent.CountDownLatch; |
chriswhocodes
/ gist:0ee21a9c33472d5bc35ce050fc961e03
Created
January 8, 2019 19:15
OpenJDK hg diff for floating point min/max intrinsics hg diff -c 53041:f15af1e2c683
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| diff -r 6aeb6a23fb83 -r f15af1e2c683 src/hotspot/cpu/aarch64/aarch64.ad | |
| --- a/src/hotspot/cpu/aarch64/aarch64.ad Tue Dec 18 16:22:46 2018 -0500 | |
| +++ b/src/hotspot/cpu/aarch64/aarch64.ad Tue Dec 18 16:50:35 2018 +0000 | |
| @@ -12601,6 +12601,63 @@ | |
| %} | |
| +// Math.max(FF)F | |
| +instruct maxF_reg_reg(vRegF dst, vRegF src1, vRegF src2) %{ | |
| + match(Set dst (MaxF src1 src2)); |
chriswhocodes
/ OpenJFX8 armv6hf builds failing
Created
November 14, 2018 09:35
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| chris@vultr:~/openjfx8_clean$ /home/chris/gradle-4.8.1/bin/gradle clean openZip -PCOMPILE_TARGETS=armv6hf | |
| > Configure project : | |
| all tool packages are present [armv6hf-02.tgz, gcc-linaro-arm-linux-gnueabihf-raspbian-2012.09-20120921_linux.tgz] | |
| ***************************************************************** | |
| Unsupported gradle version 4.8.1 in use. | |
| Only version 4.8 is supported. Use this version at your own risk | |
| ***************************************************************** | |
| gradle.gradleVersion: 4.8.1 | |
| OS_NAME: linux |
chriswhocodes
/ TestFileChooser.java
Created
January 24, 2014 15:46
JavaFX FileChooser.ExtensionFilter *.* not working on OSX
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import java.io.File; | |
| import javafx.application.Application; | |
| import javafx.scene.Scene; | |
| import javafx.scene.layout.BorderPane; | |
| import javafx.stage.FileChooser; | |
| import javafx.stage.Stage; | |
| public class TestFileChooser extends Application | |
| { |
chriswhocodes
/ JavaCard.java
Last active
December 25, 2015 16:59
Andrew Kensler's business card raytracer converted to Java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| package com.chrisnewland.raytrace; | |
| import java.io.FileOutputStream; | |
| /* | |
| * Standing on the shoulders of giants. | |
| * I didn't invent this raytracer, just converted it from C to Java with the help of this web page by Fabien Sanglard: | |
| * http://fabiensanglard.net/rayTracing_back_of_business_card/index.php | |
| * The original code is by Andrew Kensler. Comments copied from Fabien Sanglard's notes. | |
| */ |
chriswhocodes
/ gist:6839214
Created
October 5, 2013 10:23
Normalise a double in a range and scale to a dimension (with optional invert).
Useful for chart scaling.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| public static double normalise(double value, double min, double max, double size, boolean invert) | |
| { | |
| double range = max - min; | |
| double result = 0; | |
| if (range != 0) | |
| { | |
| result = (value - min) / range; | |
| } |
chriswhocodes
/ LockCoarsen_hotspot.log
Created
July 22, 2015 13:59
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <?xml version='1.0' encoding='UTF-8'?> | |
| <hotspot_log version='160 1' process='1441' time_ms='1437572649560'> | |
| <vm_version> | |
| <name> | |
| Java HotSpot(TM) 64-Bit Server VM | |
| </name> | |
| <release> | |
| 25.51-b03 | |
| </release> | |
| <info> |
chriswhocodes
/ run.js
Created
June 9, 2015 21:00
Example JavaScript that dumps different bytecode with Nashorn 8u60b18 and 9b67
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| var sum = 0; | |
| for (var i = 0; i < 1000000; i++) | |
| { | |
| sum = addOne(sum); | |
| sum = addTwo(sum); | |
| } | |
| print(sum); |
chriswhocodes
/ gist:e3a85c3613b084e45356
Created
June 9, 2015 21:04
Output of run.js under Nashorn 8u60b18
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| 8u60b18 | |
| Result of | |
| $JAVA_HOME/bin/jjs -co --dump-debug-dir=. run.js | |
| chris@debian:~/jitwatch/sandbox/sources/jdk/nashorn/internal/scripts$ ls -l | |
| total 8 | |
| -rw-r--r-- 1 chris chris 871 Jun 9 21:57 JO5P0.class | |
| -rw-r--r-- 1 chris chris 3216 Jun 9 21:57 Script$run.class |
NewerOlder