Java's Atomic and volatile, under the hood on x86 - Marc's Blog
About Me My name is Marc Brooker. I've been writing code, reading code, and living vicariously through computers for as long as I can remember. I like to build things that work. I also dabble in machining, welding, cooking and skiing. I'm currently an engineer at Amazon Web Services (AWS) in Seattle, where I work on databases, serverless, and serverless databases. Before that, I worked on EC2 and
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Using Intel.com Search You can easily search the entire Intel.com site in several ways. Brand Name: Core i9 Document Number: 123456 Code Name: Emerald Rapids Special Operators: “Ice Lake”, Ice AND Lake, Ice OR Lake, Ice* Quick Links You can also try the quick links below to see results for most popular searches. Product Information Support Drivers & Software
How System.out.println() really works
A few days ago I came across an interesting article, Where the printf() Rubber Meets the Road, describing how the printf function ‘works’ on the low level. Commonly asked by Java beginners is the question, “How does System.out.println() work?”; the above blog post inspired me to do some research into this question. In this blog post I’ll attempt to provide an explanation of what System.out.println
Which Java thread consumes my CPU?
What do you do when your Java application consumes 100% of the CPU? Turns out you can easily find the problematic thread(s) using built-in UNIX and JDK tools. No profilers or agents required. For the purpose of testing we'll use this simple program: [code language="java"] public class Main { public static void main(String[] args) { new Thread(new Idle(), "Idle").start(); new Thread(new B
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Who ordered sequential consistency?
Memory Barriers and JVM Concurrency
