Hi Bert,

> On Apr 3, 2016, at 6:49 AM, Bert Freudenberg <bert at freudenbergs.de> wrote:
> 
>> On 02.04.2016, at 18:54, Eliot Miranda <eliot.miranda at gmail.com> wrote:
>> 
>> Hi Marcel,
>> [...]
>> I only wanted to point out that it's not a VM change, but a system setting/mode change.
> 
> Can it be queried and changed at runtime?

Yes.  There are even a setter and a getter in trunk.  See SmalltalkImage>>#processPreemptionYields[:].

> 
> - Bert -