Hello, how do you run your program ? e.g. ./a.out <m> <base> <r> which values for m, base and r ? there is no check on boundaries, and depending on the input parameters, cat[count][ cursor[count]++ ] indexes can be out of bound imho, this is not mpich related at all Best regards, Gilles On 2014/02/13 0:22, Soheil Hooshdaran wrote:

Hello. I have a memory allocation problem (using malloc). I can't figure out its cause. Could you help me please?