Re: [OMPI devel] question about vpid

2011-07-29 Thread Maurice Feskanich
Hi Ralph, Thanks for the info! The array sizing could be a problem as the value I'm thinking about using could potentially be over 100 million. This value is a unique identifier my system is already generating, I was considering just using it rather than computing a separate vpid. At least

Re: [OMPI devel] question about vpid

2011-07-29 Thread Ralph Castain
There are no hard rules, but some practical ones. In theory, you can use any value so long as it is unique. In practice, that can cause problems as several arrays are sized by the vpid value. So a really big vpid causes the array to be sized to accommodate at least that many values. In other wo