Hi, On 27 February 2014 07:28, Masahiro Yamada <yamad...@jp.panasonic.com>wrote:
> Kbuild brought about many advantages for us but > a significant performance regression was reported by > Simon Glass. > > After some discussions and analysis, it turned out > its main cause is in $(call cc-option,...). > > This significantly improves performance for me on snow: $ time crosfw -b snow -w Configuring for snow board... real 0m5.023s user 0m34.440s sys 0m4.050s Without this series it is: $ time crosfw -b snow -w Configuring for snow board... real 0m26.440s user 0m46.770s sys 0m10.170s Prior to kbuild going in I got: time crosfw -b snow -w Configuring for snow board... real 0m5.923s user 0m37.110s sys 0m5.240s So I would say that we are at least as fast as pre-kbuild. Great! Regards, Simon
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