Concurrent IO is not supported in 2.1.0 or 2.1.1. It would be best to write your own native code to read concurrently.
On 2/21/2011 1:58 AM, zhang chao wrote: > Is there any optimization to IO in x10-2.1.1 version? > > If there is, could you provide us some user samples of concurrent reading of > big files > > If there is not , we think we find some problems maybe bugs in the upgrade > of release 2.1.0 to 2.1.1 . we had tried to read large file concurrently in > x10 release 2.1.0 while the same x10 program runs with low performance in > release 2.1.1 and even can not get running result. > ------------------------------------------------------------------------------ > The ultimate all-in-one performance toolkit: Intel(R) Parallel Studio XE: > Pinpoint memory and threading errors before they happen. > Find and fix more than 250 security defects in the development cycle. > Locate bottlenecks in serial and parallel code that limit performance. > http://p.sf.net/sfu/intel-dev2devfeb > _______________________________________________ > X10-users mailing list > X10-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/x10-users > > > ------------------------------------------------------------------------------ The ultimate all-in-one performance toolkit: Intel(R) Parallel Studio XE: Pinpoint memory and threading errors before they happen. Find and fix more than 250 security defects in the development cycle. Locate bottlenecks in serial and parallel code that limit performance. http://p.sf.net/sfu/intel-dev2devfeb _______________________________________________ X10-users mailing list X10-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/x10-users