歌词
From VOA Learning English,
this is the Technology Report.
China's Tianhe-2 supercomputer
中国天河二号超级计算机
has just been rated No. 1 on the top 500
被列为全球前500最强大计算机
-- a respected list of the world's most powerful computers.
榜单上的第一名
Experts measured the supercomputer's performance
据专家测量
at 33.86 petaflop or quadrillion of operations per second.
天河二号的运算速度达到33.86或4千万亿次每秒
China's National University of Defense Technology
天河二号由中国国防科技大学开发研制
developed the supercomputer, which runs twice
它的运算速度为位列第二的
as fast as the No.2 rated Titan supercomputer.
超级计算机“泰坦”的两倍
It belongs to the United States Government's
泰坦置放于美国政府属下的
Oak Ridge National Laboratory in Tennessee.
田纳西橡树岭国家实验室中
Both Tianhe-2 and Titan are part of an ongoing race
天河二号以及泰坦的出现都是
to make supercomputers faster and more powerful.
为了制造出更快更强大的计算机
So what is a supercomputer?
那么超级计算机又是什么呢
A basic personal computer has one microchip
一台基本的个人计算机
at the center of its operations.
运转设备中心会有一块微芯片
This Central Processing Unit, or CPU,
这块微芯片名为中央处理器(CPU)
executes a set of commands contained in a predesigned program.
它会执行预置程序中的一系列命令
The first supercomputers had a few more CPUs.
第一台超级计算机有好几个CPU
That number grew as microprocessors
由于微处理器运算速度提升且造价下降
became cheaper and faster.
超级计算机装备的CPU越来越多
Andrew Grimshaw, a computer science professor
弗吉尼亚大学的计算机科学教授
at the University of Virginia explains:
安德鲁·格里姆肖表示
"Today, supercomputers are all what we call parallel machines.
”如今的超级计算机就是我们所说的平行机
Instead of one CPU - central processing unit
一台超级计算机不止拥有一个CPU
- they have thousands and thousands.
而是成千上万个
And in the case of the Chinese machine,
中国的天河二号
depending on how you count,
则是有上百万个CPU
millions of the central processing units."
具体是多少则要看你怎么去数了“
These parallel machines are made up of
超级计算机由众多独立的计算机组成
many individual computers called nodes.
我们称其为节点
They are all positioned in one block.
它们集中放置到同一个地方
They used a lot of power, create a lot of heat,
消耗大量的电力 产生巨大的热量
and require huge cooling systems.
因此需要一个强大的冷却系统
They also use programs different
它们运用的程序
from those used by ordinary computers.
与普通电脑的不同
Professor Grimshaw says anyone with enough resources
格里姆肖教授还表示
can build a supercomputer to solve problems
如果资源足够丰富 每个人都能拥有一台超级计算机
that require millions of mathematical calculations.
用它们去解决那些需要经过上百万次数学运算才能解决的问题
But that's not always necessary.
但实际上没这个必要
A virtual supercomputer can be created
对大学或者企业里单独的计算机进行联网
by networking individual computers
我们能够创造出
within a university campus or company.
一台虚拟超级计算机
These machines then process data during down time,
这些计算机能够在无人操作时
when no one is using them.
在非运作的情况下处理数据
"Those are very easy to run on virtual supercomputers
“虚拟超级计算机用起来很方便
because each problem is independent of all the others
其中每台机的运算都是相互独立的
and I can scatter these jobs out all around the place.
我们可以把任务分配到各台机去解决
We run these all the time at UVA."
弗吉尼亚大学向来都这样操作”
Professor Grimshaw says that entire ten years ago,
教授认为
engineers worked on making computers faster.
在整整十年以前
Since then, he says, they have worked to create
工程师们都致力于提升计算机运算速度
more powerful parallel machines.
那时起 他们就在潜心研制更强大的平行机了
"It's transforming science and engineering,
“工程师们在改变科学工程
and it's going to continue to transform it
且将永不停息
in ways I think most people don't fully grasp
大部分人甚至都不清楚
- how well we can model and simulate the world now."
我们在模拟世界上发展到了什么程度“
Professor Grimshaw says
教授称
the increasing computing ability of supercomputers
超级计算机运算能力的提升
makes the future of research very bright.
为科研发展带来了曙光
And that's the Technology Report from VOA Learning English.
（第一次发译文 不好的地方还请指正）
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