Abstract
The current multi-core architectures have become popular due to performance, and efficient processing of
multiple tasks simultaneously. Today’s the parallel algorithms are focusing on multi-core systems. The
design of parallel algorithm and performance measurement is the major issue on multi-core environment. If
one wishes to execute a single application faster, then the application must be divided into subtask or
threads to deliver desired result. Numerical problems, especially the solution of linear system of equation
have many applications in science and engineering. This paper describes and analyzes the parallel
algorithms for computing the solution of dense system of linear equations, and to approximately compute
the value of π using OpenMP interface. The performances (speedup) of parallel algorithms on multi-core
system have been presented. The experimental results on a multi-core processor show that the proposed
parallel algorithms achieves good performance (speedup) compared to the sequential
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