Tags: performance

Pushing AI Performance Benchmarks to the Edge

As I discussed recently, the AI industry is developing benchmarking suites that will help practitioners determine the target environment in which their machine learning, deep learning or other statistical models might perform best. Increasingly, these frameworks are turning their focus to...
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CPU Utilization Is Wrong

Everyone uses %CPU to measure performance, but everyone is wrong, says Netflix's Brendan Gregg in his UpSCALE Lightning Talk. CPU utilization is the metric everyone uses to measure a processor's performance. But %CPU is a misleading measure of how busy your processor really is, says Brendan Gregg,...
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DNS Resolvers Performance Compared: CloudFlare x Google x Quad9 x OpenDNS

A couple of months ago I did a performance comparison between some of the top free DNS Resolvers available. It was just after Quad9 had launched and I was trying to decide which one to use and recommend to families and friends. Google, OpenDNS, Quad9, .. some many options… I love options … And...
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Linux Mint 19 'Tara' Cinnamon Will Be Faster

Is Linux Mint slow? Hell, no! The operating system is plenty fast. Speed is in the eye of the beholder, however, and the Mint developers apparently thought app-launching seemed slow when using the Cinnamon desktop environment. They didn't have any proof, but they felt that both Mate and Xfce were...
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EdgeX Foundry Continues Momentum with ‘California Code’ Preview

Only 3 months away from our first release, the EdgeX community has made available what we are calling the “California Preview.”  This preview is a collection of five key microservices written in Go that are drop in replacements for our Java microservices.  The work on the California release (not...
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GPUs on Google’s Kubernetes Engine Are Now Available in Open Beta

The Google Kubernetes Engine (previously known as the Google Container Engine and GKE) now allows all developers to attach Nvidia GPUs to their containers. GPUs on GKE (an acronym Google used to be quite fond of, but seems to be deemphasizing now) have been available in closed alpha for more than...
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Virtualized GPU Access: Implementing OpenGL ES 2.0 Support

Virtualized GPU access is becoming common in the containerized and virtualized application space. Let's have a look at why and how. By Robert Foss, Senior Software Engineer at Collabora. For the past few years a clear trend of containerization of applications and services has emerged. Having...
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KPTI/KAISER Meltdown Initial Performance Regressions

The recently revealed Meltdown and Spectre bugs are not just extraordinary issues of security, but also performance. The patches that workaround Meltdown introduce the largest kernel performance regressions I've ever seen. Many thanks to the engineers working hard to develop workarounds to these...
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How to Minimize the Meltdown Patch Performance Penalty

The saga of the cross-industry side-channel attack (Meltdown and Spectre) is not yet over. Turmoil continues as CPU vendors release new microcode and recall previous ones. To understand the extent of the work that still needs to be done, consider the language Linus Torvalds usesabout the patches...
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Reckoning the Spectre and Meltdown Performance Hit for HPC

While no one has yet created an exploit to take advantage of the Spectre and Meltdown speculative execution vulnerabilities that were exposed by Google six months ago and that were revealed in early January, it is only a matter of time. The patching frenzy has not settled down yet, and a big...
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