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Software development is the process of creating software applications, encompassing various stages such as planning, coding, testing, and deployment. It includes fields like programming languages, software design patterns, version control, and collaboration tools to deliver high-quality software products that meet user needs and requirements.

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SOFTWARE DEVELOPMENT
NETWORKS

How can DPDK access devices from user space?

DPDK (Data Plane Development Kit) is a set of libraries for implementing user space drivers for NICs (Network Interface Controllers). It provides a set of abstractions which allows a sophisticated packet processing pipeline to be programmed. But how does DPDK work? How is it able to access the hardware directly? How does it communicate with the hardware? Why does it require a UIO module (Userspace input-output)? What are hugepages and why are they so crucial? In this blog post I will try to explain, with a reasonable amount of detail, how a standard kernel space NIC driver works, how a user space program can access hardware and what can be gained from having it do so.
Dariusz Sosnowski

Dariusz Sosnowski

on Aug 22, 2019
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SOFTWARE DEVELOPMENT

Webpack 3 to webpack 4: tips on migrating

Having heard a lot about speed improvements, we recently migrated from webpack 3 to webpack 4. The results have been astonishing: our average build time improved by 30%, and hot-reloading by 83%! This article covers the following topics:1. The key benefits of migration2. How webpack 3 compares to webpack 4 in terms of build time3. How to effectively migrate from webpack 3 to webpack 44. The pitfalls to avoidI’ll start by saying our project is humongous, so builds are pretty slow. Our hot-update recently got so slow, in fact, that we decided something had to be done.
Damian Osipiuk

Damian Osipiuk

on Sep 6, 2018
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NETWORKS
SOFTWARE DEVELOPMENT

Debugging faultily inherited file handles on Microsoft Windows

Some time ago we fixed issues with multi-thread building in SConscripts. Since then, we have encountered strange, flaky compilation errors occurring randomly in about 5% of our builds. We couldn’t leave it that way - our Windows CI is used by many developers working on multiple parts of the system and we must ensure that it is 100% stable. We all know those pesky flaky bugs that won’t let us sleep peacefully. A menace to developers, they are happening once a week and are impossible to catch and debug.
Mateusz Jabłoński

Mateusz Jabłoński

on Jun 29, 2018
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