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As dialogue of the Spectre and Meltdown flaws continues to dominate the tech information cycle, there has been repeated connection with a specific function of prime-finish CPUs: speculative execution. It’s a key capability of upper-end ARM merchandise, Apple’s custom ARM cores, IBM’s ENERGY circle of relatives, and the overwhelming majority of the x86 processors produced by means of Intel and AMD. Right Here’s what speculative execution is and how it relates to different key functions of contemporary microprocessors, and the way the recent Meltdown computer virus goals Intel CPUs in particular. What

Speeding up a slow PC can be a challenge, particularly when dealing with older hardware that may be on the cusp of needing an upgrade or replacement anyway. Sometimes, a system simply needs a fresh OS install or driver update to perform significantly better. In other cases, upgrade or wholesale replacement are necessary. This article is designed to help you troubleshoot a slow machine. Specifically, it walks through the process of determining whether your problem is more likely to be caused by software, hardware, or simply the age of the

A lot has changed in the PC market over the past few decades, but one question remains timeless: “Can I squeeze more performance out of the system I’ve got now, or do I have to build or buy something else?” Here, we’ll break down the issues in play and discuss how to make this decision in a way that gives you the best chance of maximizing your performance per dollar. We’ll focus on the question of upgrading an existing system versus buying a new one. In this context, buying a

Value-priced is not a term typically used to describe workstation GPUs that can support visualization and VR applications. Usually, 3D-focused GPUs come to market based on impressive performance claims and a price point to match. That was certainly the case with AMD’s Radeon Pro W5700 that we reviewed recently. But now the company has provided an impressive cost-reduced version, the AMD Radeon Pro W5500, at half the price ($399). We’ve been working with an early unit, and so far are quite pleased with what it can do at a price

A few months ago, we covered how Mathwork’s Matlab software didn’t run workloads on AMD CPUs at full speed. These products use the Intel Math Kernel Library, which will only run fully optimized code on Intel CPUs. AMD CPUs were shunted into using a different and much slower code path. Despite widespread speculation from the community that MathWorks might either be unable or unwilling to patch the issue, the company has surprised us all and fixed it. According to NedFlanders1976 (the same individual who made the original Reddit report), MathWorks

Intel has launched a new suite of 10th Generation mobile CPUs in the Comet Lake family. Like other recent product launches, these chips are also based on 14nm (Ice Lake notwithstanding), but Intel has pulled out the frequency stops for this lineup of parts. The previous 9th Gen Core i7 CPUs top out at 6 cores and 4.6GHz Turbo, while the 9th Gen Mobile Core i9 family ran up to eight cores and 5GHz. With 10th Gen, Intel is pushing the envelope further, with several chips landing at 5GHz or

It’s been a few years since Microsoft introduced DirectX 12, and there’s a new set of console introductions coming this fall, so the time is ripe for the unveiling of a new DirectX version. Microsoft has just launched DirectX 12 Ultimate, an extension and unification of various DX12 features that should serve as a common capability reference for new products and consoles. GPUs labeled as supporting DirectX 12 Ultimate will offer the following capabilities: DirectX RaytracingVariable Rate ShadingMesh ShadersSampler Feedback GPUs that can’t provide all of these capabilities will continue

Two days ago, we covered news from AMD that the company had suffered an IP breach. We now know more about what was taken from the company and how serious the theft is — or more appropriately, isn’t. At first glance, the news looks bad. The data in question is supposedly for Big Navi and Arden, the codename for the Xbox Series X GPU. Given how important both of these products are to AMD’s future, theft of their underlying core technology would be quite damaging. WCCFTech has published a story

Sony’s Mark Cerny, lead system architect of the PlayStation 5, has shared more details on the new console and some aspects of its subsystem behavior. Some of the new details confirm our speculation from March, while others shed light on previously unexplored aspects of the platform. Eurogamer has a new comprehensive writeup of the details. There are three main topics we’ll discuss today: Details on how the PS5’s boost mode works, a bit of information on the SSD that confirms our previous speculation, and a lot of information on the

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