[fpc-pascal] Re: Multi-threaded project with few locks (no Thread.waitfor). Memory consumption keeps increasing on Ubuntu 10.10 x64

[Michael Van Canneyt]

On Thu, 14 Oct 2010, Henry Vermaak wrote:

> On 14/10/10 03:15, Andrew Brunner wrote:
>> 
>> I would say let's try to obtain source to pthreads or something.  I'd
>> bet we can just do a straight shoot into something from there.  If
>> it's open source i'd bet we can bother them perhaps for a newer
>> version more high-scale friendly.
>
> NPTL source is in glibc.
>
>> I presently can create 1,500 threads in 2 min 27seconds. That's 2 1/2
>> threads per second... 25min! Pathetic...
>
> Ingo Molnar have started and stopped 100,000 threads in less than 2 seconds 
> on a dual P4 machine in some of the early NPTL tests.

One after the other ? That is not a meaningful test in this case ?
You should know how many threads existed in parallel.

Michael.