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Given the required /proc filename, it is trivial to parse the kernel data, and then output the information. Some code which obtains the total and peak virtual and resident memory for a process is: static int main_loop(char *pidstatus) { char *line; char *vmsize; char *vmpeak; char *vmrss; char *vmhwm; size_t len; FILE *f; vmsize = NULL; vmpeak = NULL; vmrss = NULL; vmhwm = NULL; line = malloc(128)
A list of articles on computer science and optimization, with a focus on parallel computing.
Optimize your Software It is a simple step to speed up your software. No source code changes are required. Lockless MPI seemlessly replaces your system MPI implementation, and you reap the performance benefits. Lockless MPI Released Version 1.2 of the Lockless MPI has just been released. It is optimized for modern 64bit multicore systems, and supports programs running on Linux. There are bindings
Spinlocks and Read-Write Locks Most parallel programming in some way will involve the use of locking at the lowest levels. Locks are primitives that provide mutual exclusion that allow data structures to remain in consistent states. Without locking, multiple threads of execution may simultaneously modify a data structure. Without a carefully thought out (and usually complex) lock-free algorithm, t
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