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Timing analyzer vows dramatic speedup

Posted: 30 May 2007 ?? ?Print Version ?Bookmark and Share

Keywords:threaded timing analyzer? ETA tools? multicore platforms?

A new multithreaded static and statistical timing analyzer from Extreme DA Corp. is set to be available in the third quarter of 2007. GoldTime runs on multicore CPU platforms and uses the statistical pioneer's patent-pending ThreadWave technology, which promises gains in both performance and capacity.

GoldTime has all the features of Extreme DA's XT Analysis product, including statistical timing, but it also provides static timing analysis and offers multimode, multicorner capabilities.

"In XT the focus was on statistical, and now the focus is signoff," CEO Mustafa Celik said. "What we also observe in the marketplace is that static and statistical timing are merging."

With runs that can stretch for many hours, the need for faster timing analysis has taken on new urgency.

Through "fine-grained" multithreading based on ThreadWave, GoldTime analyzes a design in terms of wave propagation from inputs to outputs, Celik said. At any given time, it analyzes one "wave front," storing data for just that one wave in RAM, thus minimizing peak memory footprint. Once the analysis is finished with the wave front, results are stored in disk, allowing for a "huge capacity improvement," Celik said.

Running on a single processor, GoldTime is three to five times faster than "traditional" timing analyzers, Celik said. Using four processors adds another two- to threefold improvement in speed without increasing memory footprint.

GoldTime offers signal integrity analysis. With ThreadWave, Celik said, it's possible to analyze any design flat, including crosstalk.

GoldTime has all the features of Extreme DA's XT Analysis product, including statistical timing, but it also provides static timing analysis and offers multimode, multicorner capabilities.

GoldTime also offers incremental timing analysis, so that a single change doesn't require a rerun of the entire chip.

- Richard Goering
EE Times




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