But this is within the same MPI "universe" right?
CAEN Advanced Computing
XSEDE Campus Champion
On Jun 27, 2014, at 10:19 AM, George Bosilca <bosilca_at_[hidden]> wrote:
> The One-Sided Communications from the Chapter 11 of the MPI standard?
> For processes on the same node you might want to look at
> On Fri, Jun 27, 2014 at 9:53 AM, Brock Palen <brockp_at_[hidden]> wrote:
>> Is there a way to import/map memory from a process (data acquisition) such that an MPI program could 'take' or see that memory?
>> We have a need to do data acquisition at the rate of .7TB/s and need todo some shuffles/computation on these data, some of the nodes are directly connected to the device, and some will do processing.
>> Here is the proposed flow:
>> * Data collector nodes runs process collecting data from device
>> * Those nodes somehow pass the data to an MPI job running on these nodes and a number of other nodes (cpu need for filterting is greater than what the 16 data nodes can provide).
>> One thought is to have the data collector processes be threads inside the MPI job running across all nodes, but was curious is there is a way to pass data still in memory (to much to hit disk) to the running MPI filter job.
>> Brock Palen
>> CAEN Advanced Computing
>> XSEDE Campus Champion
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