When AMD was briefing the media about Phenom at their launch event they mentioned to the media that a fix was in the works for one of the hundreds of erratums that the Phenom processor has. All processors have glitches and they are documented and given a erratum number. Read on to see why erratum 298 made the news and if it is anything to worry about!
Using the PCMark Vantage test suite the difference between having the TLB patch workaround enabled and disabled was night and day. The system didn't feel any slower on the test bench, but the results showed differently. The performance difference ranged from 2% to 11.7% depending on the testing. It's obvious that the TLB workaround impacts performance.
Article Title: AMD Phenom TLB Patch Benchmarked and Explained
Article URL: http://www.legitreviews.com/article/618/1/