Ionut Balosin

Architecture

Why Do We Need Architectural Diagrams?

10th February 201929th November 2019Ionut Balosin

According to the licensing policy, I would like to mention this article was originally published on InfoQ. Key Takeaways Creating and maintaining architectural diagrams to provide accurate and valuable content is…Continue readingWhy Do We Need Architectural Diagrams?

Funny

IT Designation Definitions

31st December 201826th December 2019Ionut Balosin

Software Architect is a person who draws the initial baby sketches, proves the prototype is working and then considers his job done. Developer can never estimate how much time…Continue readingIT Designation Definitions

Performance

Passing this::method reference within a loop affects performance

1st December 201810th February 2019Ionut Balosin

Motivation The problem I would like address affects the performance in case this::method reference is passed to another method (especially within a long running loop), hence it is important to be…Continue readingPassing this::method reference within a loop affects performance

Performance

Contended locks explained – a performance approach

19th June 201823rd February 2019Ionut Balosin

Context Improving the performance of contended Java object monitors was added in JDK 9 as part of the JEP 143. However, as JEP 143 states, it might not be an…Continue readingContended locks explained – a performance approach

Performance

An even faster way than StackWalker API for asynchronously processing the stack frames

13th June 201824th February 2019Ionut Balosin

Context StackWalker API has been introduced in JDK 9 as part of JEP 259. It targets a flexible mechanism to traverse and materialize the required stack frames allowing efficient lazy…Continue readingAn even faster way than StackWalker API for asynchronously processing the stack frames

Performance

Getting the stack trace versus throwing an Exception. What is common and what is different

11th June 201824th February 2019Ionut Balosin

Motivation At the first glance these two things (e.g. getting the stack traces and throwing an exception) might seem very unrelated, however, they are quite similar up to a certain…Continue readingGetting the stack trace versus throwing an Exception. What is common and what is different

Performance

Compact Strings feature might slow down predominant UTF-16 Strings applications

6th June 201824th February 2019Ionut Balosin

Motivation Current article aims to reveal how Compact Strings feature added in JDK 9 with JEP 254 behaves in case of applications where the Strings are predominant UTF-16. Context As…Continue readingCompact Strings feature might slow down predominant UTF-16 Strings applications

Performance

onSpinWait() method from Thread class

4th June 201810th February 2019Ionut Balosin

Introduction The purpose of this article is to describe new method onSpinWait() added to Thread class in JDK 9, including its usage, the pros and cons and also covering few…Continue readingonSpinWait() method from Thread class

Soft Skills

Boost your technical knowledge by effectively watching presentations

31st May 201810th February 2019Ionut Balosin

Motivation We are living in a world of events and conferences on diverse topics, targeted for different people with diverse technical background and skills. The amount of ideas and approaches…Continue readingBoost your technical knowledge by effectively watching presentations

Performance

Loop invariant code motion pitfall in JDK10

21st May 201810th February 2019Ionut Balosin

Current article illustrates a corner case in regards to loop invariant code motion optimization in JDK10, which at first glance seems to regress in comparison to JDK9. Such optimization…Continue readingLoop invariant code motion pitfall in JDK10

Archives

Why Do We Need Architectural Diagrams?

IT Designation Definitions

Passing this::method reference within a loop affects performance

Contended locks explained – a performance approach

An even faster way than StackWalker API for asynchronously processing the stack frames

Getting the stack trace versus throwing an Exception. What is common and what is different

Compact Strings feature might slow down predominant UTF-16 Strings applications

onSpinWait() method from Thread class

Boost your technical knowledge by effectively watching presentations

Loop invariant code motion pitfall in JDK10

Java Performance Tuning

Software Architecture Essentials

Designing High-Performance Applications

Application Security for Java Developers