Hi, I have access to Cray with many cores. It takes about 100 secs to solve in a single core. If I require to solve it sequentially, it will take a lot of time. Ok I can ask the admins, but in case you have an idea, pls. let me know.
Best Regards, Venkatesh On Fri, Dec 18, 2015 at 2:32 PM, Timothée Nicolas < timothee.nico...@gmail.com> wrote: > You need to be more specific, what kind of machine do you have ? If you > have very few cores, it will not help much to launch them all at the same > time, but at least you can make the thing automatic using the loop as I > told you. Your computer will solve the first problem and then automatically > go to the second etc etc. How much time does it take do perform your task > on one set of matrices A and B ? > > If you are on a cluster with many many cores, then you can probably launch > your task in parallel, but I don't know how to do this exactly. But if it's > a cluster, you can ask the administrators. > > Best > > Timothee > > > > 2015-12-18 17:40 GMT+09:00 venkatesh g <venkateshg...@gmail.com>: > >> Hi Timothee, >> >> Yes I have A_0001.bin ... A_1000.bin and B_0001.bin... B1000.bin. Yes is >> it possible to submit at same time ? >> >> Venkatesh >> >> On Fri, Dec 18, 2015 at 1:28 PM, Timothée Nicolas < >> timothee.nico...@gmail.com> wrote: >> >>> Hi, >>> >>> Can you be a bit more specific ? You have 1000 different files for A and >>> B ? Like, you have A_0001.bin, A_0002.bin, ... A_1000.bin and B_0001.bin, >>> B_0002.bin, ... B_1000.bin ? >>> >>> In that case it's a bash problem and not a petsc problem, you just need >>> to make a loop on an integer i, use something like >>> >>> printf -v i2 "%04d" ${i} >>> >>> so that i2 is written as 0001, 0002, ... 1000, and not as 1, 2, ... , >>> 1000, concatenate i2 with 'A_' or 'B_' and put that in your launch string. >>> I expect it should work, you can put variables as petsc arguments. >>> >>> But what do you mean with multiple cores ? You want to do it in parallel >>> at the same time ? Then I don't know how to do it. >>> >>> Best >>> >>> Timothee >>> >>> >>> >>> 2015-12-18 16:46 GMT+09:00 venkatesh g <venkateshg...@gmail.com>: >>> >>>> Hi all, >>>> I am using Petsc and Slepc to solve my eigenvalue problem. >>>> >>>> I have 1000 A and B matrices saved as binary files. So I use in my >>>> script : >>>> >>>> *aprun -n 1 -N 1 ./ex7 -f1 A -f2 B -st_type sinvert -eps_target 0.01 * >>>> >>>> This is for one A and one B. So, how to do it for each A and B in >>>> multiple cores ? >>>> >>>> Pls. let me know. >>>> >>>> Thank you >>>> Venkatesh >>>> >>>> >>>> >>> >>> >> >