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From: =?UTF-8?B?TWljaGHFgiBNaXJvc8WCYXc=?= <mirqus@gmail.com>
Date: Mon, 23 Jan 2017 20:03:19 +0100
Message-ID: <CAHXqBF+c+1mBXxu-dtR93E5yEXkPsHNTozrsBNsAd1akcVaySQ@mail.gmail.com>
To: Ferruh Yigit <ferruh.yigit@intel.com>
Cc: dev@dpdk.org, Thomas Monjalon <thomas.monjalon@6wind.com>
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Subject: Re: [dpdk-dev] [PATCH] mk: parallelize make config
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2017-01-22 2:50 GMT+01:00 Ferruh Yigit <ferruh.yigit@intel.com>:
> make config dependency resolving was always running serial,
> parallelize it for better performance.
>
> $ time make T=3Dx86_64-native-linuxapp-gcc config
> real    0m12.633s
>
> $ time make -j8 T=3Dx86_64-native-linuxapp-gcc config
> real    0m1.826s
[...]
> +$(RTE_OUTPUT)/.depdirs: $(DEPDIRS)
> +       @rm -f $@
> +       @for f in $(DEPDIRS); do cat $$f >> $@; done
> +       @sort -u -o $@ $@

This could be just one 'sort -u -o $@ $(DEPDIRS)'

Best Regards,
Micha=C5=82 Miros=C5=82aw