[ofw][patch][ND provider] Improving latency of ms-mpi

Woodruff, Robert J robert.j.woodruff at intel.com
Wed Aug 12 09:36:10 PDT 2009


Sean wrote,

>My point was that NetworkDirect is a published API whose definition is owned
>entirely by Microsoft.  All implementations MUST adhere to the published ND API
>specification, or they are not compliant.  It's not about legality, who
>maintains a specific ND implementation, or whether a specific change is
>considered an improvement over what's there.

>We are free to change IBAL, WinVerbs, or other APIs because we own them.  The
>only cost of doing so is breaking existing applications.  But for ND, our choice
>is to be compliant or not.

>The way I've gone about requesting changes to ND is to send comments to MS using
>the links at the bottom of the ND documentation.  I expect that these messages
>get routed directly to Fab, who rolls his eyes before hitting the delete key.
>:)

Good point. Isn't there a WHQL for ND providers ? If so and we change the API
without Microsoft's blessing, then the ND provider may not be WHQL'd.
I think that Sean is correct that it would be best to suggest the change to 
Microsoft before changing it in our tree...

my 2 cents.

woody



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