Article
How to improve application security using _FORTIFY_SOURCE=3
Discover how to improve application and library security at the source with _FORTIFY_SOURCE macro defined to 3 and how it impacts performance.
Performance
Article
How to use Valgrind to track file descriptors
Valgrind can be used to track file descriptors. Learn how to find file descriptors at various stages of your program and where they were originally opened.
Article
How I developed a faster Ruby interpreter
Learn about 8 optimization techniques for a faster interpreter in Ruby which I developed using a dynamically specialized internal representation (IR).
Article
Why GPUs are essential for AI and high-performance computing
Learn why graphics processing units (GPUs) have become the foundation of artificial intelligence and how they are being used.
Article
The benefits and limitations of flexible array members
Discover how flexible array members offer convenience and improve performance, and how compiler complexities are mitigated.
Article
GCC's new fortification level: The gains and costs
Discover the gains and costs of GCC’s enhanced runtime buffer overflow protection. Level 3 _FORTIFY_SOURCE preprocessor macro may detect more buffer overflows, but there’s a cost.
E-book
Reliability Nightmares: The Coloring Book
See site reliability engineering (SRE) principles in action and learn how to improve the operability of your code base with this developer coloring book.
Article
Write a SystemTap script to trace code execution on Linux
Learn from our experts about how SystemTap allows you to add instrumentations to Linux systems to better understand kernel and application behavior.
Article
Range check elimination in loops in OpenJDK's HotSpot JVM
Dive into how the HotSpot JVM improves your Java application's performance by eliminating range checks and cleverly optimizing loops.
Page
Red Hat Interactive Learning Portal
No matter where you are in your software development career, from just starting, to re-training, to expert-level but needing a brush-up, the Red Hat Developer program can help with tutorials and learning.
Article
Creating A Better Responsive Design in Web Development
A better responsive design nowadays becoming a challenge. To become a good competitor in the market, one should make their website UI design such that: It should be eye-catching for the users on the first-time visit to the website. Rather than having complex UI features, it should be easy to use with simple UI features. Developers should be more oriented towards the material design. Material design is currently the most popular front-end design trending. To make the website a better...
Article
Understanding malloc behavior using Systemtap userspace probes
The malloc family of functions are critical for almost every serious application program. Its performance characteristics often have a big impact on the performance of applications. Given that the default malloc implementation needs to have consistent performance for all general cases, it makes available a number of tunables that can help developers tweak its behavior to suit their programs. About two years ago I had written an article on the Red Hat Customer Portal that described the high level design...
Article
Red Hat Enterprise Linux 7 toolchain a major performance boost for C/C++ developers
Now that Red Hat Enterprise Linux 7 is publicly available, we thought RHEL application developers would be interested in seeing how the new C/C++ toolchain compares to the equivalent in Red Hat Enterprise Linux 6 in terms of raw performance. The numbers are pretty surprising so stay tuned. But first, a little introduction to set the scene. Red Hat Enterprise Linux 6 GCC Red Hat Enterprise Linux 6 shipped in November 2010 with gcc-4.4. As with all major new versions...
