Re: [X10-users] x10 execution slow

2009-11-12 Thread Josh Milthorpe
Hi Kshitij, a few things to check: Are you building the X10 runtime from source? If so, have you set the "optimize" flag? (In x10.runtime.17/build.xml ) The same goes for "NO_CHECKS" if your code does a lot of array access - this removes array bounds checks (and others). I wouldn't recommen

Re: [X10-users] x10 execution slow

2009-11-12 Thread Kshitij Mehta
I forgot to mention that we are running this in the Linux environment. On Nov 12, 2009, at 2:03 PM, Kshitij Mehta wrote: > Hello > We are trying to convert a C code to x10 and parallelize it. The C code > (sequential) takes 17 seconds to execute. We have converted the code to x10 > (sequential

[X10-users] x10 execution slow

2009-11-12 Thread Kshitij Mehta
Hello We are trying to convert a C code to x10 and parallelize it. The C code (sequential) takes 17 seconds to execute. We have converted the code to x10 (sequential, no parallel constructs added). The java backend takes ~3 minutes to execute while the C++ backend takes ~30 minutes. Compiling us