News for hackers. Stuff that matters.

A comment on Can We Solve Linear Algebra Problems at Extreme Scale and Low Precisions?. Parent comment

Re:Can We Solve Linear Algebra Problems at Extreme Scale and... by jcranmer on Friday September 17, 2021 @11:47AM (#28566851)
__float128 is emulated quad-precision, I think.
[ Parent | on HN ]
Re:Can We Solve Linear Algebra Problems at Extreme Scale and... by gpderetta on Friday September 17, 2021 @12:04PM (#28567080)
Not exactly, the mantissa is increased, but the exponent is the same as standard double precision, so it is not an IEEE quad.
[ Parent | on HN ]