Re: [Boost-users] Create A Boost Thread for each HW Thread?

Subject: Re: [Boost-users] Create A Boost Thread for each HW Thread?
From: Christoph Heindl (christoph.heindl_at_[hidden])
Date: 2011-06-10 02:21:38

On Fri, Jun 10, 2011 at 3:13 AM, Brad <boost_at_[hidden]> wrote:
> What's the proper way to start a boost thread for each hardware thread
> available? I can do this... but it is clunky and does not scale
> (especially when there are lots of cores):
>
> const unsigned int hwt()
> {
>          const unsigned int t = boost::thread::hardware_concurrency();
>          return t;
> }

try boost::thread_group [1]

boost::thread_group tg;

for (int i  =0; i < hwt(); ++i) {
  tg.create_thread(...);
}
tg.join_all();

Best regards,
Christoph

[1] http://www.boost.org/doc/libs/1_42_0/doc/html/thread/thread_management.html#thread.thread_management.threadgroup