Posts Tagged ‘zen’
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March 31, 2017

AMD Ryzen Optimization Patch Released for Ashes of Singularity, Claims 30% Performance Improvement

As with any major new CPU architecture, AMD’s Ryzen CPU is experiencing some growing pains early out the gate as gaming performance had been a little less impressive than expected. This can be seen in games such as Ashes of the Singularity where although both multi-thread and single-core performance were competitive against Intel’s 6-core Core i7-6800K and even the 10-core Core i7-6900K in many other benchmarks, it trailed behind Intel’s Quad-Core Core i7-7700K in several gaming benchmarks.

As a result, many were baffled at the performance results. If the Ryzen 7 1800X could adequately compete against Intel’s top-end Core i7-6900K in both single and [...]

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March 28, 2017

AMD Ryzen 16-Core CPU, 12-Core CPU in the Works: Features Using Multiple Dies on MCM

Recently, the rumormill has been spinning after it was revealed that AMD may be introducing an even higher end desktop CPU with 12 and 16-cores based on AMD’s new Zen based architecture. A recent article posted by Turkish technology site, DonanimHaber, provided some new details regarding the upcoming processors.

According to the article, AMD will be releasing a 16-core, 32-thread and a 12-core, 24-thread Zen based CPU by combining multiple AMD Ryzen “Summit Ridge” CPUs in what’s called a MCM, or Multi-Chip Module. In the 16-core, 32-thread CPU, two full Ryzen 8-core dies are combined while the 12-core, 24-thread CPU will combine two Ryzen 6-core [...]

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March 17, 2017

New Linux Kernel Fixes SMT Issue for AMD Ryzen CPUs

For those having issues with their new AMD Ryzen CPU’s SMT functionality in Linux, the latest kernel version 4.10.3 rectifies the issue which was present in kernel version 4.9 and below.

Older versions of the Linux kernel bundles both the threadID and the APIC ID together when SMT is enabled. This causes the OS to assign a unique CPU Core ID to each thread instead of the same CPU ID to a pair of threads.

The Linux kernel development page describes the error as the following:

our SMT scheduling topology for Fam17h systems is broken, because the ThreadId is included in the ApicId when SMT is enabled. So, without further decoding cpu_core_id is unique [...]

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March 7, 2017

AMD Prepares 32-Core Naples CPU to Battle Against Intel Xeon, Launch Expected in 2Q2017

Not even a month has passed since AMD launched their Zen based Ryzen desktop CPUs and AMD is already preparing their assault against Intel’s Xeon server dominance with their upcoming Zen based Naples CPUs.

The new server CPUs, which AMD refers to as SoCs will feature 32-cores/64-threads, eight memory channels, up to 2TB of DDR4 memory, and 64 PCIe 3.0 lanes. This is spec for spec far more powerful than its chief competition, the Intel Xeon E5-2599A v4 processor which features a paltry 22 cores, four memory channels, up to 1.54TB of DDR4, and 40 PCIe 3.0 lanes. AMD claims that the Naples SoC is able to offer 60% better performance and 122% more memory [...]

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February 15, 2017

AMD Zen Architecture Detailed in Depth at ISSCC

At the International Solid State Circuits Conference (ISSCC), AMD recently presented some additional in-depth information about the upcoming Zen micro-architecture used in their highly anticipated Ryzen CPUs.

The AMD Zen micro-architecture is a complete redesign from the ground up and is the first AMD processor to utilize GlobalFoundries 14 FinFET process. It’s a 4 core design which is bumped up to 8 threads with AMD’s new SMT technology which allows a single core to process up to two threads simultaneously. It’ll also feature 32KB L1 cache per core, 512KB L2 cache per core and 8MB shared L3 cache. Interestingly enough, [...]

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February 12, 2017

Rumor: New AMD Ryzen Price List Emerges, 8-Core Ryzen CPU for $350?

More rumors flowing out of the rumor-mill today as pricing as well as specifications for the full AMD Ryzen lineup have been leaked. This leak itself isn’t verified, but it’s purported to come from an internal product listing of a Chinese retailer for the entire AMD Ryzen product line.

Before we dive in, we’ll be using the prices converted directly from Chinese Yuan (CNY) to USD. If historical trends are to continue, expect actual street prices to be lower due to the Chinese market being roughly 20% more expensive than the US market due to import taxes. For example the Intel Core i7 7700K is priced at 2799 CNY which comes to $406 USD, which is far [...]

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February 7, 2017

Zen Cores Use 10% Smaller Die Area Compared to Intel Skylake Cores

Fresh news out of the ISCCC (International Solid-State Circuits Conference) as AMD has recently shared some new specifications on their Zen architecture powering the highly anticipated Ryzen processors expected to ship in the coming weeks.

In an article published by EEtimes, AMD released a paper which shows that their 14nm Zen cores utilize 10% less die area (44mm² vs 49mm²) and has double the L2 cache compared to Intel’s current generation 14nm Skylake cores. Both analysts and Intel engineers believe Zen cores are competitive however, a determination on whether the small die sizes will translate into lower manufacturing costs is still unknown at this [...]

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January 11, 2017

AMD May Launch Ryzen During or Before GDC

Some keen observers recently discovered an interesting piece of information about AMD’s upcoming Ryzen CPUs on GDC (Game Developer Conference) presentation schedule. According to the schedule, AMD will be delivering a talk on “Optimizing for AMD Ryzen CPU” and in the description, it says “Join AMD Game Engineering team members for an introduction to the recently-launched AMD Ryzen CPU…”

AMD has been confident on the Q1 release date for Ryzen and this piece of news just serves as another confirmation. GDC is scheduled for February 27th to March 3rd at the Moscone Center in San Francisco.

AMD has since revised the GDC [...]

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December 31, 2016

AMD Ryzen May Reach 5GHz Overclock on Air Cooling According to Cryptic Message

Remember a couple days ago when Canard PC leaked the first AMD Ryzen review? Well, it appears that not all the information was presented in French. Some keen eyed Reddit users recently discovered that Canard PC also embedded a hidden message written in binary code for readers to find. The code is as follows:

010110100110010101101110010011110100001101000000010000010110100101110010001111010011010101000111

Using a binary to ASCII converter, the code can be translated into “[email protected]=5G“.

While no accompanying information such as voltage required, what type of air cooler was used, what type of thermal paste was used, how stable the overclock is, [...]

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December 27, 2016

Early AMD Ryzen Review Leaked, Faster Than Intel Core i7-6800K

 

Several weeks ago, AMD made waves with their  announcement and subsequent demonstration of Ryzen, the official name of AMD’s highly anticipated Zen architecture based processor. During the demonstration, Ryzen was shown to either match or beat the Core i7-6900K which is a high end $1,100 processor from AMD’s primary competitor, Intel. However, at the time only a few benchmarks were demonstrated and given that it’s AMD doing the demonstrating, there was a good chance the benchmarks were cherrypicked in favor of AMD’s upcoming chip.

While AMD isn’t expected to release Ryzen until early next year, French based print magazine, [...]

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