mpz reuse test takes too much time

Vincent Lefevre vincent at
Wed Sep 28 14:48:25 UTC 2016

On 2016-09-28 16:24:15 +0200, Torbjörn Granlund wrote:
> Vincent Lefevre <vincent at> writes:
>   But there may have been a temporary problem, as I now get:
>   ./reuse  27.56s user 0.15s system 100% cpu 27.698 total
> That's more in the expected range.  Amd bulldozers are not GMP speed
> demons, with their 1/4 mul throughput, but they are not that slow.

This seems consistent with the 4200.19 bogomips given by /proc/cpuinfo.

As a comparison, with a loaded Intel(R) Core(TM) i7-4810MQ CPU @ 2.80GHz
(5588.28 bogomips) machine, I get 18.58s (8.50s if not loaded).

Vincent Lefèvre <vincent at> - Web: <>
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Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)

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