[cfe-dev] Unusually high ram usage on tests

Deep Majumder via cfe-dev cfe-dev at lists.llvm.org
Wed Mar 10 21:41:32 PST 2021

Btw, how does one enable dynamic linking? I couldn't find such an option in

On Thu, Mar 11, 2021 at 11:09 AM Deep Majumder <deep.majumder2019 at gmail.com>

> Yup, right you are! I had reinstalled my system and forgotten to install
> lld. Thanks!
> On Thu, Mar 11, 2021 at 12:59 AM Benics Bal√°zs <benicsbalazs at gmail.com>
> wrote:
>> Use `lld` as a linker, it is superior to `ld` or `gold`.
>> It consumes less memory and much faster.
>> Also, prefer dynamic linking for faster development cycles.
>> Balazs.
>> ------------------------------
>> *From:* cfe-dev <cfe-dev-bounces at lists.llvm.org> on behalf of Deep
>> Majumder via cfe-dev <cfe-dev at lists.llvm.org>
>> *Sent:* Wednesday, March 10, 2021 8:17:38 PM
>> *To:* cfe-dev <cfe-dev at lists.llvm.org>
>> *Subject:* [cfe-dev] Unusually high ram usage on tests
>> Hi everyone,
>> I am running 'ninja check-clang-analysis' on the release build of clang
>> with LLVM_PARALLEL_LINK_JOBS set to 2 and assertions off. I am on Ubuntu
>> 20.04. This is taking up almost 10 gb of memory (6 from ram, 4 from swap).
>> I have been running this command for over a month and I haven't seen this
>> sort of memory usage. Is this normal? Or am I missing something?
>> Warm regards,
>> Deep
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