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OpenVMS Hobbyist Program | Alpha Systems Forums | FreeAXP
Author tru64 on freeaxp - using only one core
Elango
Member

Posts: 1
Joined: 12.04.13
Posted on April 12 2013 01:59
Hi,
We have freeaxp installed on a hp hardware with 2 * dual core intel Xeon cpus and running Windows 2008 64 bit.
Tru64 5.1B is installed on the freeaxp instance and it is detecting only one cpu. On the windows task manager also we find only one of the four cores is being used by the freeaxp binary.

Need clarification on how to add more cores to the freeaxp instance.
The configuration utility provided for freeaxp does not seem to have any option to manipulate the cpu cores that can be allocated to the instance.

Thanks in advance
Elango
Author RE: tru64 on freeaxp - using only one core
Bruce Claremont
Moderator

Posts: 508
Joined: 07.01.10
Posted on April 12 2013 02:14
FreeAXP supports a single CPU. FreeAXP emulates an AlphaServer 400, a single core machine.
Author RE: tru64 on freeaxp - using only one core
VolkerHalle
Member

User Avatar

Posts: 96
Location: Germany
Joined: 02.04.10
Posted on April 12 2013 02:35
Elango,

this is the same with all available Alpha emulators. They emulate EACH Alpha CPU on ONE core. There are emulators, which emulate more than one Alpha CPU, but they just use ONE core for each individual Alpha CPU emulated. The Alpha CPU emulation code is not multi-threaded (probably for perfomance reasons).

Volker.
Edited by VolkerHalle on April 12 2013 02:37
http://www.invenate.de
Author RE: tru64 on freeaxp - using only one core
Bruce Claremont
Moderator

Posts: 508
Joined: 07.01.10
Posted on January 14 2015 02:05
Only one core is allocated per instance. If running multiple instances under Avanti, the runtime system ensures each instance gets its own core.
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