Polywell Poly X5800A3-990X: Where’s Our Six-Core Overclock?

Polywell的PolyX5800A3-990X是一款搭载了Intel六核Core i7-990X处理器的高性能台式电脑。虽然其在基准测试中表现出色,但与竞争对手如iBuyPower Paladin XLC和V3 Gaming PC的Convoy相比,在CPU超频和存储解决方案方面略显不足。

Polywell's Poly X5800A3-990X ($3499 as of March one, 2011) illustrates how close the competition is atop the performance desktop Laptop chart. The X5800A3's robust showing on our tests puts it correct with almost all of its rivals. The problem? Others do far better.

Below its hood, the Poly X5800A3-990X packs Intel's six-core Core i7-990X processor, which can be merely a clock improve outside of the acquainted Core i7-980X that many PCs already use. Presented the X5800A3-990X's mixture of the self-contained liquid cooling technique along with a stock-clock, three.47GHz chip, the system's 12GB of DDR3-1333 memory seems like overkill. Polywell need to have invested a lot more in juice for its CPU, the center in the Pc.

The $3999 iBuyPower Paladin XLC--which beefs up its Core i7-980X CPU from 3.33GHz to 4.2GHz--outperformed the X5800A3-990X on our WorldBench 6 suite of assessments by 11 details (198 as opposed to 187). The Paladin also offers a 128GB RAID-0 array of solid-state drives (the Polywell has a solitary 60GB SSD boot generate), along with a 2TB storage drive (the Polywell has a 1TB product). And boutique vendor V3 Gaming PC's Convoy desktop scored even larger (a WorldBench six mark of 204) for the significantly reduced price ($2499).

The X5800A3-990X parlays its Crossfire configuration of two ATI Radeon HD6970 cards into an remarkable body fee of 175.8 frames per second on our Unreal Tournament three benchmark check (run at a resolution of 2560 by 1600, prime quality), vs . 147.1 fps for the Paladin XLC and 204 fps.

This Poly uses an Antec Six hundred situation bred for air cooling and highlighted by a huge, 200mm, adjustable-speed fan. However, you'l need to use a screwdriver to put in or modify any device within the X5800A3's body.

Four USB ports, a Blu-ray combo push, along with a multiformat card reader adorn the front from the X5800A3-990X. The style with the front panels feels somewhat askew, nonetheless.

Polywell does a fantastic career together with the neat cabling inside the chassis. The program offers three 5.25-inch bays (a single open up), in addition 5 3.5-inch bays for future hard-drive purchases.With ample energy, you would possibly be able to plug a gadget to the system's free PCI Convey x4 and PCI Convey x16 slots, as well, but functioning round the two beastly graphics boards can be a challenge.

The system's rear connection possibilities incorporate two USB three.0 ports, an SPDIF optical and coaxial port, four USB two.0 ports, one particular gigabit ethernet port, one FireWire 400 port, and built-in 7.one surround sound--but not eSATA. The system's two videocards deliver a complete of four DVI ports, two HDMI ports, and 4 mini-DisplayPort connections.

Our evaluation design from the X5800A3-990X delivered with no any mice or keyboards, however you can customize your machine that has a wide array of input units at Polywell's Website, if you determine to drag the set off.

Polywell's Poly X5800A3-990X is really a great efficiency desktop, but it's just not nearly as good as several of its rivals.

 

【电能质量扰动】基于ML和DWT的电能质量扰动分类方法研究(Matlab实现)内容概要:本文研究了一种基于机器学习(ML)和离散小波变换(DWT)的电能质量扰动分类方法,并提供了Matlab实现方案。首先利用DWT对电能质量信号进行多尺度分解,提取信号的时频域特征,有效捕捉电压暂降、暂升、中断、谐波、闪变等常见扰动的关键信息;随后结合机器学习分类器(如SVM、BP神经网络等)对提取的特征进行训练与分类,实现对不同类型扰动的自动识别与准确区分。该方法充分发挥DWT在信号去噪与特征提取方面的优势,结合ML强大的模式识别能力,提升了分类精度与鲁棒性,具有较强的实用价值。; 适合人群:电气工程、自动化、电力系统及其自动化等相关专业的研究生、科研人员及从事电能质量监测与分析的工程技术人员;具备一定的信号处理基础和Matlab编程能力者更佳。; 使用场景及目标:①应用于智能电网中的电能质量在线监测系统,实现扰动类型的自动识别;②作为高校或科研机构在信号处理、模式识别、电力系统分析等课程的教学案例或科研实验平台;③目标是提高电能质量扰动分类的准确性与效率,为后续的电能治理与设备保护提供决策依据。; 阅读建议:建议读者结合Matlab代码深入理解DWT的实现过程与特征提取步骤,重点关注小波基选择、分解层数设定及特征向量构造对分类性能的影响,并尝试对比不同机器学习模型的分类效果,以全面掌握该方法的核心技术要点。
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