On 11.07.2018 09:09, Simon Burge wrote:
> Hi folks,
> 
> Martin Husemann wrote:
> 
>> On Tue, Jul 10, 2018 at 12:11:41PM +0200, Kamil Rytarowski wrote:
>>> After the switch from NetBSD-HEAD (version from 1 year ago) to 8.0RC2,
>>> the ld(1) linker has serious issues with linking Clang/LLVM single
>>> libraries within 20 minutes. This causes frequent timeouts on the NetBSD
>>> buildbot in the LLVM buildfarm. Timeouts were never observed in the
>>> past, today there might be few of them daily.
>>
>> Sounds like a binutils issue (or something like too little RAM available
>> on the machine).
> 
> Probably only tangently related, but I wasn't able to link an amd64
> GENERIC kernel on a machine with 512MB of RAM, and even using "MKCTF=no
> NOCTF=yes" at least got something build but was extraordinarily slow to
> do so.  I never worried about raising a PR for that as I figured the
> world had moved on...
> 
> Cheers,
> Simon.
> 

There is certainly contribution to excessive RAM usage.. but I must
defer myself profiling tasks and focus on other things now. It's better
to focus on lld porting myself (10x boost compared to ld in larger C++
codebase) before profiling.

Additionally that LLVM build machine is a remote machine and is serving
public service.

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