20–24 Sept 2021
US/Pacific timezone

Complex Divide Improvements in libgcc

21 Sept 2021, 07:30
30m
GNU Tools track/Virtual-Room (LPC Virtual)

GNU Tools track/Virtual-Room

LPC Virtual

150
GNU Tools Track GNU Tools Track

Speaker

Patrick McGehearty (Oracle)

Description

This talk will discuss the methods used in constructing the recent improvement in complex divide in libgcc where the gross error rate dropped from more than 1 per 100 tests to less than 1 per 10 million tests. The change in accuracy is platform independent while the modest performance loss varies with platform. We also discuss flaws and likely areas for addressing reducing remaining small errors.

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Primary author

Patrick McGehearty (Oracle)

Presentation materials

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