Tuesday, March 26, 2013

AnandTech Article Channel

AnandTech Article Channel

AMD Comments on GPU Stuttering, Offers Driver Roadmap & Perspective on Benchmarking

Posted: 25 Mar 2013 11:28 PM PDT

AMD remained curiously quiet as to exactly why its hardware and drivers were so adversely impacted by new FRAPS based GPU testing methods. While our own foray into evolving GPU testing will come later this week, we had the opportunity to sit down with AMD to understand exactly what’s been going on.

What follows is based on our meeting with some of AMD's graphics hardware and driver architects, where they went into depth in all of these issues. In the following pages we’ll get into a high-level explanation of how the Windows rendering pipeline works, why this leads to single-GPU issues, why this leads to multi-GPU issues, and what various tools can measure and see in the rendering process.

ASUS Maximus V Formula Z77 ROG Review

Posted: 25 Mar 2013 11:30 AM PDT

The motherboard market is tough – the enthusiast user would like a motherboard that does everything but is cheap, and the system integrator would like a stripped out motherboard that is even cheaper.  The ASUS Maximus V Formula is designed to cater mainly to the gamer, but also to the enthusiast and the overclocker, for an all-in-one product with a distinct ROG feel.

Ubiquiti Networks Brings 802.11ac to Enterprise Wi-Fi APs

Posted: 25 Mar 2013 05:00 AM PDT

The enterprise Wi-Fi market is a hotly contested one with expensive offerings from companies such as Aruba Networks and Ruckus Wireless being the preferred choice of many IT administrators. Primary requirements for products in this market are the ability to support high client device densities and the provision of a robust and flexible management interface.

Ubiquiti Networks, founded in 2005, entered this market in Q4 2010 with their UniFi series. The offerings surprised the market with very attractive pricing while providing all the features available from the tier-one vendors. While those vendors have been a bit cautious in jumping on to the 802.11ac bandwagon, Ubiquiti is going ahead and launching the UniFi 3.0 Wi-Fi access point platform along with what seems to be the first 802.11ac enterprise AP.

The 802.11ac access point is based on the Broadcom platform (With the BCM4706 SoC, just like all the 802.11ac consumer routers / APs in the market right now). The APs also have wireless mesh capabilities. In a multi-AP deployment, wired uplinks are not needed for all of the access points.

The differentiating aspect of Ubiquiti's offering is the free UniFi 3.0 management software and controller. The latter can be run on-premises, or deployed in the cloud (either private or public). Some of the interesting features of UniFi include 'zero hand-off roaming' which allows users to roam while seamlessly switching between different access points without latency or interoperability issues. In essence, multiple APs can appear as a single AP to client devices. A single UniFi controller can manage multi-site distributed deployments. UniFi also provides detailed analytics and WLAN grouping capabilities, which are taken for granted in the enterprise Wi-Fi AP space.

Ubiquiti's UniFi 3.0 platform / 802.11ac AP is schedule to launch next month at a price point of just $299. With the arrival of 802.11ac-capable smartphones such as the HTC One and the Samsung Galaxy S4, enterprise IT administrators are bound to be on the lookout for 802.11ac-capable gear. Ubiquiti Networks seems well-positioned to tap into that market.

A challenge for Ubiquiti would be the fact that solution providers in any enterprise space are usually well-entrenched. Administrators are also wary of trying out new vendors because of support issues and a multitude of other factors. Do any of our readers have experience with Ubiquiti's products in the enterprise space? Feel free to let us know about it in the comments.

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