Stop oozing logic

According to the following article about Bill Dally’s speech at DAC 2013

IC designers, however, can look inside modules, and they frequently make changes in attempts to squeeze out a little more performance. Designers break into the modules, “let RTL ooze in weird blobs,” and then try to close timing, a futile exercise because all structure in the design has been destroyed. “Oozing logic,” said Dally, “is harmful.”


It may sound radical, but as Dally said, “what I’m suggesting here is just up-leveling standard cells to modern sizes. Rather than a standard cell about one micron high, I’m suggesting modules on the order of 1mm high, so they are 1,000 times larger in both directions. That’s the right level at which to be composing our chips.”


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