Message-ID: <CAJqeyYZxhGWH1UDfnFL+xEf4uUZabUDPJb7OMmXBJoOnumOa3g@mail.gmail.com>
Date: 2014-02-24T04:58:17Z
From: Ei-ji Nakama
Subject: Why pure computation time in parallel is longer than the serial version?
In-Reply-To: <CAJqeyYZdMg7gQZhHTzgiUJcQkxRXf=FL2uyTPyOhhueAUdjv7A@mail.gmail.com>
> maybe this performance of NEHALEM Core.
> and hyperthread decreases the efficiency of cache in the procession.
oops, PENRYN(SIMD) core used if you use 32bit ubuntu
development of 32bit stopped with PENRYN core.
Best Regards,
--
EI-JI Nakama <nakama (a) ki.rim.or.jp>
"\u4e2d\u9593\u6804\u6cbb" <nakama (a) ki.rim.or.jp>