Hi Dave, Thanks a lot, mate :)
Richard Gomes M: +44(77)9955-6813 http://tinyurl.com/frgomes twitter: frgomes JQuantLib is a library for Quantitative Finance written in Java. http://www.jquantlib.org/ twitter: jquantlib On 09/12/10 17:14, Dave Cunningham wrote: >> Executing this example I've got the following message >> >> X10RT: async 37 is not a CUDA kernel. >> >> If I'm not wrong, this message comes from the kernel function, once this >> message dissapears when I comment out the call to the kernel function. >> >> > I suspect the kernel activity is getting attached to the clock, and the > clock implementation is trying to treat the CUDA place as an ordinary host > place by sending it asyncs without @CUDA. This is a bug, we need to make > sure that clocks can be used in the host application without ending up on > the GPU place. > > > So, could you guys guide me about this? >> >> 1. Am I correct to think that I cannot employ Team when 2 or more GPUs >> belong to the same place? >> >> > You can do this, you just need to make a team with more than one participant > per place, and then each participant gets its own integer id to use when > calling into the collective operations. > > > >> 2. What is the relationship between a finish in the host code and a >> finish in the kernel code? Or maybe this question should be on "clock"s >> instead on "finish"es ? >> > > They ought to just work, but we haven't tested them for a while. Certainly > you cannot do: > > clocked async (gpu) { ... } > > However if you do not do this, the gpu should never end up being 'part' of > the clock, and it should work fine. > > > >> 2. Would you recommend a explicit clock in order to avoid conflict with >> the clock in the kernel function? >> >> > That would be a reasonable workaround, you could also use teams instead of > clocks. > ------------------------------------------------------------------------------ > _______________________________________________ > X10-users mailing list > X10-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/x10-users > ------------------------------------------------------------------------------ Oracle to DB2 Conversion Guide: Learn learn about native support for PL/SQL, new data types, scalar functions, improved concurrency, built-in packages, OCI, SQL*Plus, data movement tools, best practices and more. http://p.sf.net/sfu/oracle-sfdev2dev _______________________________________________ X10-users mailing list X10-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/x10-users
