Items tagged with retpoline

The Windows 10 October 2018 Update strikes again. Microsoft has had nothing but trouble with its most recent major feature release for Windows 10. We’ve detailed the bungled travails of the October 2018 Update in great detail in the past, but the most recent cumulative update is particularly affecting gamers. Microsoft released KB4482887 for Windows 10 version 1809 (October 2018 Update) on March 1st, and the headlining feature was the inclusion of Retpoline performance improvements for Spectre variant 2 mitigations. But almost immediately, gamers began reporting problems. In one reddit thread, numerous users complained about performance problems in their games after... Read more...
Ever since the Meltdown and Spectre were disclosed earlier this year, the issues surrounding the speculative execution exploits has been multi-pronged. On the one hand, there are concerns that nefarious parties taking advantage of the exploits to compromise unpatched systems. In addition, there have been concerns that the current patches to mitigate the attacks can reduce processing performance by up to 30 percent in some cases. Thankfully, Google engineers have developed a Spectre Variant 2 mitigation technique that results in a negligible impact in system performance. The mitigation strategy, which is called Retpoline, was initially detailed shortly after the details of Meltdown... Read more...