james coleman wrote:
not much!
also a build making more calls to make can result in
jfactor * number of make calls jobs
Only if you're using a totally braindead implementation of make. The
whole point of the jobserver pipe is to eliminate this fanout problem.
So I might regularily use
On Wed, 2007-01-10 at 01:53 -0800, Howard Chu wrote:
> An essential design choice. This stuff relies on reads and writes of the
> job_fd being atomic and the writes never blocking. POSIX guarantees a 4K
> buffer for pipes. Perhaps the code should check the resource limit and
> complain if the -
Oh dear. Sorry people. I was of course being a bit silly when talking about
make -j 16385!
Howard Chu wrote:
[EMAIL PROTECTED] wrote:
Perhaps... On the other hand, if you're using -j 65K, why not
just -j? Does you build even have 65K jobs?
of course I do not use -j65k ! :-O :-)
Very good
[EMAIL PROTECTED] wrote:
Noticed something else.
Something else completely pointless!
must not be > 16385
True, if you have 16 KB pipes...
gmake -j 16386; # or above hang
gmake -j 16385; # or below fire along rapidly
Because you're trying to write more into the job tokens
>Noticed something else.
>
>Something else completely pointless!
>
> must not be > 16385
True, if you have 16 KB pipes...
> gmake -j 16386; # or above hang
> gmake -j 16385; # or below fire along rapidly
Because you're trying to write more into the job tokens pipe than it can
hold...
You app
Paul Smith wrote:
On Tue, 2007-01-09 at 10:32 +, James Coleman wrote:
Ken Takusagawa wrote:
For reasons I haven't completely triaged yet, I've been having my
parallel makes die with
"read jobs pipe: Resource temporarily unavailable. Stop."
All memory on machine might be used up (real memo
On Tue, 2007-01-09 at 10:32 +, James Coleman wrote:
> Ken Takusagawa wrote:
> > For reasons I haven't completely triaged yet, I've been having my
> > parallel makes die with
> > "read jobs pipe: Resource temporarily unavailable. Stop."
>
> All memory on machine might be used up (real memory +
Ken Takusagawa wrote:
For reasons I haven't completely triaged yet, I've been having my
parallel makes die with
"read jobs pipe: Resource temporarily unavailable. Stop."
All memory on machine might be used up (real memory + all swap).
e.g. we get this: virtual memory exhausted: Resource temp
