[OpenWrt-Devel] SDK vs. Toolchain+

Daniel Dickinson openwrt at daniel.thecshore.com
Thu Jan 7 02:13:17 EST 2016

Hi Felix,

Thank you for this!  I will give it a whirl either before I head of to 
dreamland or tomorrow morning.



On 06/01/16 01:39 PM, Felix Fietkau wrote:
> On 2016-01-06 17:52, Daniel Dickinson wrote:
>> Hi,
>> On 06/01/16 05:24 AM, Bastian Bittorf wrote:
>>   > * Daniel Dickinson <openwrt at daniel.thecshore.com> [06.01.2016 11:11]:
>>   >> Not sure where you got those numbers.  Did you also post the exact
>>   >> hardware and software configuration, and testing methodology, and how
>>   >> you did the timing and what numbers 140 is (real command to done
>>   >
>>   > check this thread:
>>   >
>> https://lists.openwrt.org/pipermail/openwrt-devel/2015-December/037775.html
>>   >
>> https://lists.openwrt.org/pipermail/openwrt-devel/2015-December/037856.html
>> Obviously your idea of cheap, fast hardware is based on the assumption
>> that one is working on OpenWrt for pay rather than hobby. You're talking
>> about at least $1200-1600 CAD which is a lot of money these parts, for
>> the type of hardware you're talking about.
>> When I did have a job that involved work on openwrt (which I'm not
>> entirely sure was worth it, for all that I got a couple gigs it wasn't
>> with open source-minded companies and for that and other reasons was
>> more frustrating than rewarding, for the most part, given that for
>> openwrt was something of personal interest and I found the proprietary
>> business interested tainted it for me, they say never mix business with
>> pleasure, and for good reason).  I did buy better hardware, but that is
>> now only decent, not the class of hardware you're talking about in your
>> email (and while good, wasn't real server class, ever). At the moment
>> OpenWrt is a hobby for me, so shelling out that kind of money, and
>> finding a place for such hardware, isn't an option.
>> You're numbers are pretty bogus for the typical openwrt community
>> member, although they ought to be importance to those who can justify
>> that kind of investment as a business expense.
>> So the work on improving build speed, based on Felix's suggestion is
>> still definitely something I think is worthwhile for the kind of
>> situation I am interested in.
> So I went ahead and implemented that. Here are the improvements when
> there are no kernel config changes (tested on ramips mt7621, where it
> already uses the new image building code for everything):
> target/compile: 12s -> 8s
> target/install: 68s -> 16s
> - Felix
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