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Fix #33107: cycles fixed threads 1 was still having two cores do work,

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because main thread works as well.
This commit is contained in:
Brecht Van Lommel
2012-11-07 21:00:49 +00:00
parent b51908b913
commit 204113b791
8 changed files with 25 additions and 13 deletions
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10
intern/cycles/util/util_task.cpp
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@@ -168,10 +168,16 @@ void TaskScheduler::init(int num_threads)
if(users == 0) {
do_exit = false;
/* launch threads that will be waiting for work */
if(num_threads == 0)
if(num_threads == 0) {
/* automatic number of threads will be main thread + num cores */
num_threads = system_cpu_thread_count();
}
else {
/* main thread will also work, for fixed threads we count it too */
num_threads -= 1;
}
/* launch threads that will be waiting for work */
threads.resize(num_threads);
thread_level.resize(num_threads);