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Processors

AMD Cool 'n' Quiet, Turbo Core Impact On Linux

For those wondering about the impact that AMD's Cool 'n' Quiet and Turbo Core technologies have under Linux for the latest-generation Bulldozer processors, here are some tests illustrating the changes in performance, power consumption, and operating temperature.
16 November 2011 - 8 Comments

LLVMpipe Performance On AMD Bulldozer, Intel Sandy Bridge

With the renewed interest in the Gallium3D LLVMpipe driver now that this software-based acceleration method is working with GNOME Shell, here are some benchmarks of this LLVM-based software driver when running some OpenGL tests on Intel Sandy Bridge and AMD Bulldozer hardware.
4 November 2011 - 7 Comments

AMD Bulldozer With GCC, Open64, LLVM/Clang Compilers

Now having looked at the AMD Bulldozer FX-8150 performance on Linux, as well as how it's scaling across multiple cores/modules, in this article are results when building a variety of benchmarks under the popular compilers. The tested compilers were GCC, LLVM/Clang, and AMD Open64, including different revisions of these open-source compilers.
2 November 2011 - 11 Comments

Multi-Core Scaling Performance Of AMD's Bulldozer

There has been a lot of discussion in the past two weeks concerning AMD's new FX-Series processors and the Bulldozer architecture. In particular, with the Bulldozer architecture consisting of "modules" in which each has two x86 engines, but share much of the rest of the processing pipeline with their sibling engine; as such, the AMD FX-8150 eight-core CPU only has four modules. In this article is a look at how well the Bulldozer multi-core performance scales when toggling these different modules. The multi-core scaling performance is compared to AMD's Shanghai, Intel's Gulftown and Sandy Bridge processors.
26 October 2011 - 20 Comments

AMD FX-8150 Bulldozer On Ubuntu Linux

Two weeks ago AMD introduced the Bulldozer FX-Series CPUs to much excitement, although many were letdown by the initial results, and it was months after showing the first Linux benchmarks of an AMD Dual-Interlagos pre-production system. In the days that followed I delivered some initial AMD FX-4100 Linux benchmarks when securing remote access to a low-end Bulldozer system running Ubuntu 11.04 (and there were also some Linux benchmarks from independent Phoronix readers), but then last week a Bulldozer kit arrived from AMD. The centerpiece of this kit is an eight-core AMD FX-8150 CPU, which is now being used to conduct a plethora of AMD Bulldozer benchmarks on Linux.
24 October 2011 - 72 Comments

AMD FX-4100 Bulldozer

As mentioned over the weekend, a Phoronix reader that was excited about AMD's Bulldozer products had went out and immediately purchased an FX-4100 processor. This user graciously let me SSH into the system as soon as Ubuntu Linux was installed so that benchmarks from the AMD FX-4100 could be conducted. Here is a look at the AMD FX-4100 Bulldozer on Linux compared to Llano Fusion hardware and Intel Sandy Bridge processors.
19 October 2011 - 79 Comments

Intel Core i7 2630QM

If you are in the market for a new notebook with an Intel Sandy Bridge processor, one of the higher-end offerings is the Core i7 2630QM, which is a quad-core processor with Hyper Threading that boasts a 2.0GHz base frequency but can ramp up to 2.9GHz thanks to Turbo Boost. In this article are some Linux benchmarks of the Intel Core i7 2630QM compared to other mobile Intel CPUs.
17 October 2011 - 13 Comments

First Look: AMD Trinity APU, Linux Already Runs Well

Remember those AMD Bulldozer benchmarks we showed back in March from an early engineering sample that was published to OpenBenchmarking.org by one of AMD's partners months prior to the product launch? Well, since the consumer-grade Bulldozer chips are going to be out soon, AMD's partners are already supplying information on the AMD Trinity APUs that won't be launched until next year. The Linux performance appears quite competitive and there's also some new codenames and details to share.
8 October 2011 - 24 Comments

Intel Core i5 2400S

Now that the Linux review of the Intel Core i3 2120 is published and there were initial benchmarks of the Core i5 2400S a few weeks back when looking at the state of Intel's "Sandy Bridge New Acceleration" architecture, the complete review of the Intel Core i5 2400S processor is here. The Core i5 2400S is meant to be an energy-efficient Sandy Bridge processor with a 65 Watt TDP compared to the i5-2400 non-S CPU that has a maximum TDP of 95 Watts like the other higher-end models, but this power reduction comes by scaling the CPU frequency back by 600MHz.
22 September 2011 - 8 Comments

Intel Core i3 2120

Since the January launch of Intel's Sandy Bridge processors, there have been countless articles on Phoronix about Sandy Bridge under Linux. Initially detailing the troubled experience of getting the integrated graphics working but then to a point of nirvana with the open-source Intel Linux graphics driver working well and a continual stream of performance optimizations and other enhancements since that point. Sandy Bridge under Linux is now great and it is to be loved. It's also looking like Ivy Bridge on Linux will be a success, but we're still a couple months out until that hardware is released to the public. Until then, we are looking at a few more Sandy Bridge processors. In this review, for those not at XDC2011 Chicago this week, is a look at the Linux performance of the Intel Core i3 2120.
12 September 2011 - 11 Comments

108 processors articles published on Phoronix.
5
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