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Subject: Re: std::async from C++11 does not work
To: cygwin AT cygwin DOT com
References: <56E8A202 DOT 4060600 AT mit DOT edu>
From: Yaakov Selkowitz <yselkowitz AT cygwin DOT com>
Message-ID: <56E8CC28.7080508@cygwin.com>
Date: Tue, 15 Mar 2016 21:59:52 -0500
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On 2016-03-15 19:00, Ilya Razenshteyn wrote:
> I'm trying to compile and run the below code. As a result, only one copy
> of "f" is being executed at a time, that is, no new threads are spawned.
> Does anyone know what's going on?

Could be your code.  I tried other code[1] using std::async, and 
multiple cores are definitely used when std::launch::async is specified.

[1] https://github.com/sol-prog/async_tutorial

-- 
Yaakov

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