diff options
Diffstat (limited to 'intern/cycles/util/util_task.cpp')
| -rw-r--r-- | intern/cycles/util/util_task.cpp | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/intern/cycles/util/util_task.cpp b/intern/cycles/util/util_task.cpp index ea0abd6f54f..8c4ec312256 100644 --- a/intern/cycles/util/util_task.cpp +++ b/intern/cycles/util/util_task.cpp @@ -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); |