double vs real

[Shriramana Sharma]

On Fri, May 31, 2013 at 4:31 PM, Timon Gehr <timon.gehr at gmx.ch> wrote:
>
> If double uses xmm registers and real uses the fpu registers (as is standard
> on x64), then double multiplication has twice the throughput of real
> multiplication on recent intel microarchitectures.

Hi can you clarify that? I'm interested because I'm running a 64 bit
system. What does twice the throughput mean? double is faster?

-- 
Shriramana Sharma ஶ்ரீரமணஶர்மா श्रीरमणशर्मा