无时钟计算机芯片发生了什么?

发布于 2024-07-13 13:51:17 字数 326 浏览 9 评论 0原文

几年前,“下一件大事”是无时钟计算机。 其背后的想法是,如果没有时钟,处理器的运行速度会显着加快。

那是那时,现在是现在,我找不到任何关于它是如何进行的或这个想法是否失败的信息......

有人知道吗?

供参考:

http://www.cs.columbia .edu/~nowick/technology-review-article-10-01.pdf

Several years ago, the 'next big thing' was clockless computers. The idea behind it was that without a clock, the processors would run significantly faster.

That was then, this is now and I can't find any info on how it's been coming along or if the idea was a bust...

Anyone know?

For reference:

http://www.cs.columbia.edu/~nowick/technology-review-article-10-01.pdf

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蛮可爱 2024-07-20 13:51:17

这是一篇文章几年前人们对这项技术非常热衷,但我认为答案可以在这句话中找到:

例如,英特尔为何废弃其异步芯片? 答案是,尽管该芯片的运行速度是时钟芯片的三倍,并且使用的电力是时钟芯片的一半,但这还不足以证明转向激进技术的合理性。 实验室中的异步芯片可能比任何同步设计领先数年,但支持传统微处理器生产的设计、测试和制造系统仍然比支持异步生产的任何产品领先约 20 年。 任何计划开发无时钟芯片的人都需要找到一种方法来短路该引线。

“如果异步设计的功耗是原来的三倍,但上市时间却是原来的五倍——那么,你就输了,”1997 年异步设计的英特尔高级科学家肯·史蒂文斯 (Ken Stevens) 说道。项目。 “仅仅成为一个有远见的人,或者说这项技术有多么伟大是不够的。这一切都取决于你能否让它足够快、足够便宜,以及你是否能年复一年地继续这样做。”

Here's an article from a few years ago that's gung-ho on the technology, but I think the answer can be found in this quote:

Why, for example, did Intel scrap its asynchronous chip? The answer is that although the chip ran three times as fast and used half the electrical power as clocked counterparts, that wasn't enough of an improvement to justify a shift to a radical technology. An asynchronous chip in the lab might be years ahead of any synchronous design, but the design, testing and manufacturing systems that support conventional microprocessor production still have about a 20-year head start on anything that supports asynchronous production. Anyone planning to develop a clockless chip will need to find a way to short-circuit that lead.

"If you get three times the power going with an asynchronous design, but it takes you five times as long to get to the market—well, you lose," says Intel senior scientist Ken Stevens, who worked on the 1997 asynchronous project. "It's not enough to be a visionary, or to say how great this technology is. It all comes back to whether you can make it fast enough, and cheaply enough, and whether you can keep doing it year after year."

妥活 2024-07-20 13:51:17

有关此主题的一些信息可在此处 异步 CPU 和此处 通用 CPU 的历史,包括(一些不是)最近实现的列表。

考虑到一些优点(功耗、速度)和缺点(复杂性增加、设计更加困难),近年来的发展似乎集中在嵌入式设计上,这似乎是合乎逻辑的:

  • Epson ACT11
  • SEAforth® 40C18

There's some information on this subject availableboth here Asynchronous CPU and here History of general purpose CPUs, including a list of (some not so) recent implementations.

Looking at some of the benefits (power consumption, speed) and disadvantages (increased complexity, more difficult to design) it seems logical that in recent years the development seems to have focussed on embedded designs:

  • Epson ACT11
  • SEAforth® 40C18
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