The highs and lows of doing motherboard reviews

Subject: Motherboards | September 11, 2014 - 01:50 PM |
Tagged: magic smoke, linux, Intel X99, MSI X99S SLI Plus

It is inevitable that one will eventually come across hardware with a defect, either a flaw during its manufacture or because of shipping or user damage and when you do reviews the increased sample size pits the odds against you.  This is why Phoronix has not been able to publish results of the i7 5960X on an MSI X99S SLI Plus motherboard as magic smoke was released upon initial boot up.  The board has been RMA'd to NewEgg and MSI has contacted Phoronix directly to let them know they will be sending it off for analysis; a new motherboard and review should be up shortly.  It just goes to show you that this sort of thing can happen to anyone but if you keep your temper in check all it is is a small hurdle not a huge obstruction and you will get to where you wanted to go eventually.  Similar events involving mysterious smells and old UPSes have never occurred here at PC Perspective; especially not today.

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I feel fine!

"This weekend I was planning to publish the first Linux benchmarks for Intel's incredibly powerful Core i7 5960X Haswell-E processor with X99 motherboard and DDR4 system memory. Unfortunately, all I can tell you now is that it's smoking, quite literally!"

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Source: Phoronix

Trade Windows for Linux on your HTPC without losing Netflix

Subject: General Tech | September 5, 2014 - 09:35 AM |
Tagged: linux, wine, htpc, Netflix, ubuntu 14.04

As with all things Linux, nothing is impossible but that doesn't mean it will be easy but compared to many projects the steps at Linux.com to set up Ubuntu, Linux Mint or Deepin  to run Netflix are not overly onerous.  By following the steps in the article you can get Wine, Mono, msttcorefonts and Gecko installed and then continue on to install Netflix and in very little time you will be streaming videos.  There is another way for the more experimental and seasoned Linux user, with the latest beta or dev build of Chrome an updated libnss3 and a little tweaking of your browsers user agent string you can also launch the latest version of Netflix.  Enjoy your streaming.

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"This is Linux, though, so as always the adage ‘Where there’s a will, there’s a way’ very much applies. With just a few quick steps, you can have a Netflix client on your desktop. This client does require the installation of the following extras:"

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Source: Linux.com

That Linux thing that nobody uses

Subject: General Tech | August 14, 2014 - 10:31 AM |
Tagged: linux

For many Linux is a mysterious thing that is either dead or about to die because no one uses it.  Linux.com has put together an overview of what Linux is and where to find it being used.  Much of what they describe in the beginning applies to all operating systems as they share similar features, it is only in the details that they differ.  If you have only thought about Linux as that OS that you can't game on then it is worth taking a look through the descriptions of the distributions and why people choose to use Linux.  You may never build a box which runs Linux but if you are considering buying a Steambox when they arrive on the market you will find yourself using a type of Linux and having a basic understanding of the parts of the OS for troubleshooting and optimization.   If you already use Linux then fire up Steam and take a break.

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"For those in the know, you understand that Linux is actually everywhere. It's in your phones, in your cars, in your refrigerators, your Roku devices. It runs most of the Internet, the supercomputers making scientific breakthroughs, and the world's stock exchanges."

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Source: Linux.com

Kaveri on Linux

Subject: Processors | August 11, 2014 - 12:40 PM |
Tagged: A10-7800, A6-7400K, linux, amd, ubuntu 14.04, Kaveri

Linux support for AMD's GPUs has not been progressing at the pace many users would like, though it is improving over time but that is not the same with their APUs.  Phoronix just tested the A10-7800 and A6-7400K on Ubuntu 14.04 with kernel 3.13 and the latest Catalyst 14.6 Beta.  This preview just covers the raw performance, you can expect to see more published in the near future that will cover new features such as the configurable TDP which exists on these chips.  The tests show that the new 7800 can keep pace with the previous 7850K and while the A6-7400K is certainly slower it will be able to handle a Linux machine with relatively light duties.  You can see the numbers here.

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"At the end of July AMD launched new Kaveri APU models: the A10-7800, A8-7600, and A6-7400K. AMD graciously sent over review samples on their A10-7800 and A6-7400K Kaveri APUs, which we've been benchmarking and have some of the initial Linux performance results to share today."

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Source: Phoronix

Time to update your Gallium3D

Subject: General Tech, Graphics Cards | August 6, 2014 - 10:34 AM |
Tagged: radeon, Gallium3D, catalyst 14.6 Beta, linux, ubuntu 14.04

The new Gallium3D is up against the open source Catalyst 14.6 Beta, running under Ubuntu 14.04 and both the 3.14 and 3.16 Linux kernels, giving Phoronix quite a bit of testing to do.  They have numerous cards in their test ranging from an HD 6770 to an R9 290 though unfortunately there are no Gallium3D results for the R9 290 as it will not function until the release of the Linux 3.17 kernel.  Overall the gap is closing, the 14.6 Beta still remains the best performer but the open source alternative is quickly closing the gap.

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"After last week running new Nouveau vs. NVIDIA proprietary Linux graphics benchmarks, here's the results when putting AMD's hardware on the test bench and running both their latest open and closed-source drivers. Up today are the results of using the latest Radeon Gallium3D graphics code and Linux kernel against the latest beta of the binary-only Catalyst driver."

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Source: Phoronix

How can you make your Pentium G3258 system cheaper? Run Ubuntu!

Subject: Processors | July 22, 2014 - 01:15 PM |
Tagged: linux, Pentium G3258, ubuntu 14.10

Phoronix tested out the 20th Anniversary Pentium CPU on Ubuntu 14.10 and right off the bat were impressed as they managed a perfectly stable overclock of 4.4GHz on air.  Using Linux 3.16 and Mesa 10.2 they had no issues with the performance of the onboard GPU though the performance lagged behind the fast GPU present on the Haswell chips they tested against.  When they benchmarked the CPU the lack of Advanced Vector Extensions and the fact that it is a dual core CPU showed in the results but when you consider the difference in price for a G3258's compared to a 4770K it fares quite well.  Stay tuned for their next set of benchmarks which will compare the G3258 to AMD's current offerings.

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"Up for review today on Phoronix is the Pentium G3258, the new processor Intel put out in celebration of their Pentium brand turning 20 years old. This new Pentium G3258 processor costs under $100 USD and comes unlocked for offering quite a bit overclocking potential while this Pentium CPU can be used by current Intel 8 and 9 Series Chipsets. Here's our first benchmarks of the Intel Pentium G3258 using Ubuntu Linux."

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Source: Phoronix

HSA on Linux

Subject: General Tech | July 11, 2014 - 11:36 AM |
Tagged: linux, hsa, amd, open source

Open source HSA has arrived for the Linux kernel with a newly released set of patches which will allow Sea Islands and newer GPUs to share hardware resources.   These patches are both for a sample driver for any HSA-compatible hardware and the river for Radeon GPUs.  As the debut of the Linux 3.16 kernel is so close you shouldn't expect to see these patches included until 3.17 which should be released in the not too distant future.  Phoronix and Linux users everywhere give a big shout of thanks to AMD's John Bridgman for his work on this project.

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"AMD has just published a massive patch-set for the Linux kernel that finally implements a HSA (Heterogeneous System Architecture) in open-source. The set of 83 patches implement a Linux HSA driver for Radeon family GPUs and serves too as a sample driver for other HSA-compatible devices. This big driver in part is what well known Phoronix contributor John Bridgman has been working on at AMD."

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Source: Phoronix

Do you know Juno?

Subject: General Tech | July 3, 2014 - 09:39 AM |
Tagged: linux, linaro, juno, google, armv8-a, ARMv8, arm, Android

By now you should have read Ryan's post or listened to Josh talk about Juno on the PCPer Podcast but if you find yourself hungry for more information you can visit The Tech Report.  They discuss how the 64-bit Linaro is already able to take advantage of one of big.LITTLE's power efficiency optimization called Global Task Scheduling.  As Linaro releases monthly updates you can expect to see more features and better implementations as their take on the Android Open Source Project evolves.  Expect to see more of Juno and ARMv8 on review sites as we work out just how to benchmark these devices.

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"ARM has created its own custom SoC and platform for 64-bit development. The folks at Linaro have used this Juno dev platform to port an early version of Android L to the ARMv8 instruction set. Here's a first look at the Juno hardware and the 64-bit software it enables."

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ARM Ships Juno Development Platform for ARMv8-A Integration

Subject: Mobile | July 2, 2014 - 09:00 AM |
Tagged: linux, linaro, juno, google, armv8-a, ARMv8, arm, android l

Even though Apple has been shipping a 64-bit capable SoC since the release of the A7 part in September of 2013, the Android market has yet to see its first consumer 64-bit SoC release. That is about to change as we progress through the rest of 2014 and ARM is making sure that major software developers have the tools they need to be ready for the architecture shift. That help is will come in the form of the Juno ARM Development Platform (ADP) and 64-bit ready software stack.

Apple's A7 is the first core to implement ARMv8 but companies like Qualcomm, NVIDIA and course ARM have their own cores based on the 64-bit architecture. Much like we saw the with the 64-bit transition in the x86 ecosystem, ARMv8 will improve access to large datasets, will result in gains in performance thanks to increased register sizes, larger virtual address spaces above 4GB and more. ARM also improved performance of NEON (SIMD) and cryptography support while they were in there fixing up the house.

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The Juno platform is the first 64-bit development platform to come directly from ARM and combines a host of components to create a reference hardware design for integrators and developers to target moving forward. Featuring a test chip built around Cortex-A57 (dual core), Cortex-A53 (quad core) and Mali-T624 (quad core), Juno allows software to target 64-bit development immediately without waiting for other SoC vendors to have product silicon ready. The hardware configuration implements big.LITTLE, OpenGL ES3.0 support, thermal and power management, Secure OS capability and more. In theory, ARM has built a platform that will be very similar to SoCs built by its partners in the coming months.

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ARM isn't quite talking about the specific availability of the Juno platform, but for the target audience ARM should be able to provide the amount of development platforms necessary. Juno enables software development for 64-bit kernels, drivers, and tools and virtual machine hypervisors but it's not necessarily going to help developers writing generic applications. Think of Juno as the development platform for the low level designers and coders, not those that are migrating Facebook or Flappy Bird to your next smartphone.

The Juno platform helps ARM in a couple of specific ways. From a software perspective, it creates common foundation for the ARMv8 ecosystem and allows developer access to silicon before ARM's partners have prepared their own platforms. ARM claims that Juno is a fairly "neutral" platform so software developers won't feel like they are being funneled in one direction. I'd be curious what ARM's partners actually think about that though with the inclusion of Mali graphics, a product that ARM is definitely trying to promote in a competitive market.

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Though the primary focus might be software, hardware partners will be able to benefit from Juno. On this board they will find the entire ARMv8 IP portfolio tested up to modern silicon. This should enable hardware vendors to see A57 and A53 working, in action and with the added benefit of a full big.LITTLE implementation. The hope is that this will dramatically accelerate the time to market for future 64-bit ARM designs.

The diagram above shows the full break down of the Juno SoC as well as some of the external connectivity on the board itself. The memory system is built around 8GB of DDR3 running at 12.8 GB/s and the is extensible through the PCI Express slots and the FPGA options. 

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Of course hardware is only half the story - today Linaro is releasing a 64-bit port of the Android Open Source Project (AOSP) that will run on Juno. That, along with the Linux kernel v3.14 with ARMv8-A support should give developers the tools needed to write the applications, middleware and kernels for future hardware. Also worth noting on June 25th at Google I/O was the announcement of developer access coming for Android L. This build will support ARMv8-A as well.

The switch to 64-bit technology on ARM devices isn't going to happen overnight but ARM and its partners have put together a collective ecosystem that will allow the software and hardware developers to make transition as quick and, most importantly, as painless as possible. With outside pressure pushing on ARM and its low power processor designs, it is taking more of its fate in its own hands, pushing the 64-bit transition forward at an accelerated pace. This helps ARM in the mobile space, the consumer space as well as the enterprise markets, a key market for SoC growth.

Docker is headed for the big time

Subject: General Tech | June 11, 2014 - 09:33 AM |
Tagged: google, virtualization, linux, container, Linux Containerization, docker, Red Hat, ubuntu

Docker has put the libcontainer execution engine of their Linux Containerization onto Github, making it much easier to adopt their alternative virtualization technology and modify it for specific usage scenarios.  So far Google, Red Hat and Parallels have started adding their own improvements to the Go based libcontainer; adding to the Ubuntu dev team already at work. This collaboration should help containerization become a viable alternative to virtual machines and hopefully be included as a feature in future Linux distros.  Read more over at The Register.

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"Docker has spun off a key open source component of its Linux Containerization tech, making it possible for Google, Red Hat, Ubuntu, and Parallels to collaborate on its development and make Linux Containerization the successor to traditional hypervisor-based virtualization."

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Source: The Register