Iris Pro on Linux

Subject: Processors | July 31, 2015 - 03:37 PM |
Tagged: iris pro, Broadwell, linux, i7-5775C

The graphics core of new CPUs used to have issues on Linux at launch but recently this has become much less of an issue.  The newly released Iris Pro on the 5770C follows this trend as you can see in the benchmarks at Phoronix.  The OpenGL performance is a tiny bit slower overall on Linux, apart from OpenArena, but not enough to ruin your gaming experience.  With a new kernel on the horizon and a community working with the new GPU you can expect the performance gap to narrow.  Low cost gaming on a Linux machine becomes more attractive every day.

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"Resulting from the What Windows 10 vs. Linux Benchmarks Would You Like To See and The Phoronix Test Suite Is Running On Windows 10, here are our first benchmarks comparing the performance of Microsoft's newly released Windows 10 Pro x64 against Fedora 22 when looking at the Intel's OpenGL driver performance across platforms."

Here are some more Processor articles from around the web:

Processors

 

Source: Phoronix

July 31, 2015 | 04:31 PM - Posted by Anonymous (not verified)

Using the Fedora distro and not the latest openGL version for some tests, and when will there be any STEAM OS based benchmarking and testing. When are the Vulkan benchmarks going to be released, and are there any Vulkan beta, or alpha development APIs being tested. Hopefully Phoronix will be testing Carrizo based SKUs also, and I'm much more interested in tests with windows 7 and Linux of the Vulkan API for users that have opted to stay away from windows 10. There will be advantages to dual-booting windows 7 with Steam OS, when Vulkan can bring on the public facing assets of the Mantle project. What will be the Vulkan API driver options for users of windows 7, and Steam OS, until the full complement of AAA titles are available for Linux only gaming.

There is a lot of potential for graphics related applications to greatly benefit from OpenCL and Vulkan for more than just gaming workloads in systems with AMD and Nvidia graphics, and that includes much less need for expensive multicore CPU SKUs for rendering workloads.

July 31, 2015 | 08:00 PM - Posted by Jeremy Hellstrom

[asinine] SteamOS and Vulcan are out?!?! [/asinine]

They chose the versions they did for a couple of reasons, not least is to give an accurate comparison and you can expect updated tests when they can do them.

Same goes for Carrizo, bit of testing but time is needed.  https://www.phoronix.com/scan.php?page=article&item=amd-tonga-linux42&num=1

 

July 31, 2015 | 09:17 PM - Posted by Anonymous (not verified)

[asinine] The official final build of Steam OS and not the BETA, and the official Vulkan API?[/asinine]

The linked article is about the Linux Kernel and a testing build of MESA branch without full support(1), and Vulkan is not listed as released yet, Initial release Late 2015(Wikipedia), so it's good to know that the work has started. Thanks for the link at least there will be some options going forward for Linux, and Carrizo based laptops. Does AMD have any plans on having any updated Carrizo SKUs before Zen is released for the desktop/server market, or will a Carrizo replacement be coming based on the ZEN microarchitecture after the desktop, and server Zen SKUs appear in devices. I hope there will be some improved Carrizo SKUs, as I do not see AMD getting any Zen based mobile SKUs on the market for a good while after Zen is released for PC, and servers.

(1) "Alex's Mesa branch also isn't closely re-based against upstream Mesa and thus doesn't yet have all the latest GL4 goodies, etc. Until the AMDGPU support is in mainline Mesa, most Tonga / Carrizo users will be off-limits for this hardware accelerated open-source support."

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