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sources/talk/20140624 Top500 Supercomputer Remains Stuck at 33.86 Petaflops Each s.md

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-Top500 Supercomputer Remains Stuck at 33.86 Petaflops/s
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-The Tianhe-2 first jumped onto the world's supercomputing stage a year ago, taking the crown of world's most powerful computer. At the time, the Tianhe-2 was rated with a performance of 33.86 petaflops per second.
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-One full year later and Tianhe-2's performance numbers are unchanged and it still holds down the top spot as the world's most powerful supercomputer.
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-![](http://www.serverwatch.com/imagesvr_ce/7184/icon-titan-r.jpg)
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-Back in June of 2013 the number two supercomputer in the world was the Cray Titan, at the U.S. Department of Energy's Oak Ridge National Lab. A year ago, Titan clocked in at 17.59 petaflops per second. Titan's performance, like that of Tianhe-2, remains unchanced for June 2014 and it still holds down the number two spot.
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-In fact, over the course of the last year, very little has changed among the performance rankings for the top 10 supercomputers in the world, as ranked by the Top500 list.
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-Looking at the list from the bottom up, the number 500 system on the list, a Cray XC30 at Deutcher Wetterdienst in Germany, clocked in at 133.7 teraflops per second.
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-"The last system on the newest list was listed at position 384 in the previous TOP500," the TOP500 site stated. "This represents the lowest turnover rate in the list in two decades."
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-Once again, Intel chips dominate the list with 85.4 percent of the supercomputers, and IBM Power processors hold an 8 percent share. AMD's share now stands at 6 percent.
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-In terms of chip architectures, 53.6 percent of all systems had 8 or more cores per socket, and 13.4 percent had 10 or more cores.
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-Looking at the networking interconnects, Infiniband and Ethernet continue to split the field. On the June 2014 list, Infiniband holds a 44.4 percent share of systems.
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-In contrast, Gigabit Ethernet was reported to have a 25.4 percent share and 10 Gigabit Ethernet had 15 percent, for a combined Ethernet share of 40.4 percent.
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-HP and IBM once again dominate the list of supercomputing vendors. HP now holds a 36.4 percent share, while IBM holds 35.2 percent. Cray holds down the third spot with a 10.2 percent share.
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-While there are competing vendors, chip architectures, core counts and networking fabrics at play in the list of the worlds top 500 supercomputers, when it comes to the operating system of choice, there is no debate. Linux dominates the list with a 97 percent share, being installed on 485 systems on the top 500 list.
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-via: http://www.serverwatch.com/server-news/top500-supercomputer-remains-stuck-at-33.86-petaflops.html
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-译者：[译者ID](https://github.com/译者ID) 校对：[校对者ID](https://github.com/校对者ID)
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-本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出

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+世界 500 强的超级计算机计算性能仍然保持在 33.86 千万亿次/秒
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+天河2号 一年以前第一次跳上世界超算舞台，拥有了当时世界上最强计算机的皇冠。当时，天河2号被评测为每秒 33.86 千万亿次。
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+
+满满一年后天河-2 性能指数仍旧保持不变，它仍然坐上了了世界上最强超级计算机的头把交椅。
+
+
+![](http://www.serverwatch.com/imagesvr_ce/7184/icon-titan-r.jpg)
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+截止到 2013 年 6 月号，世界上两个超级计算机都是安置于美国能源部橡树岭国家实验室的是 Cray Titan，。一年前，Titan可飙至 17.59 千万亿次每秒。Titan的优秀表现，正如同天河-2， 在2014 年 6 月，但它仍然保持了他的地位。
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+事实上，在最近的一年中，世界上顶尖的前 10 超级计算机的性能排名几乎没有任何改变，至少根据世界超算 500 强名单来看是这样的。
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+
+如果将名单倒着来看，在超算500强排行榜上，在德国Deutcher Wetterdienst 的Cray XC30 性能已经逼近 133.7 计算机每秒。
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+TOP500 网站指出，"最新名单上的最新的系统其实以前处在旧的世界 500 强排行榜中384位"。"这代表列表中最少的滚动周期是二十年。
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+再次，列表有 85.4%的超级计算机都是英特尔芯片占主导地位的，和 IBM 电源和处理器拥有 8%的市场份额。AMD 的占有率目前仅为 6%。
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+就芯片架构来说，53.6%的超算都拥有 8 个或更多核心， 13.4%的超算有 10 个或更多的核心。
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+再来看看网络连接，无限宽带和以太网拆分了整个市场。在 2014 年 6 月名单上，无限宽带占据了系统的 44.4%。
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+相比之下，据报道千兆位以太网有 25.4%的市场份额， 10千兆位以太网拥有 15%，为以太网整体份额的 40.4%。
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+
+惠普和 IBM 再次占领了超级计算供应商的列表。惠普现在持有 36.4%的份额，而 IBM 持有 35.2%。Cray 压低了排名第三，10.2%的市场份额。
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+尽管有着竞争激烈的的供应商们，芯片体系架构，核心数量和互联方式等重要因素在世界前 500 的超级计算机榜单排名时扮演着重要的角色，但是在选择操作系统的时候，毫无疑问的是，97%的超算都安装了linux操作系统，即top500超算榜单上的485个超算都安装了linux系统。
+
+
+--------------------------------------------------------------------------------
+
+via: http://www.serverwatch.com/server-news/top500-supercomputer-remains-stuck-at-33.86-petaflops.html
+
+译者：[owen-carter](https://github.com/owen-carter) 校对：[校对者ID](https://github.com/校对者ID)
+
+本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出