All Questions
4 questions
4
votes
3
answers
5k
views
Why having more and faster cores makes my multithreaded software slower?
I am experiencing bizarre behavior on scaling a multiprocess/multithreaded C++ application. The application contains 10 separate processes, communicating through Unix Domain Sockets and each one ...
1
vote
1
answer
3k
views
Windows Server 2012 R2 kernel threads increase until the system hang
I have a small problem with my Windows Server 2012 R2. At the moment the problem is that the threads from "NT Kernel & System" increase every second until they reach 16k, and then the server ...
2
votes
3
answers
864
views
freebsd 7.2 kern.threads.max_threads_per_proc doesn't change after reboot
I have some multithread apps on my server machine based on FreeBSD 7.2, so because of this I need to increase kern.threads.max_threads_per_proc to 4000 (default value is 1500).
I changed it using "...
1
vote
1
answer
779
views
Is linux kernel 2.6.37 80% slower than 2.6.34 using memory & threads?
If I run the command
time perl -e 'use threads; $T=12 ; foreach (1..$T) { $thr[$i++] = threads->create(sub { printf "I am thread %s\n", threads->tid(); foreach (1..9e6) { push(@a, sqrt(1234)/...