International Journal For Multidisciplinary Research

E-ISSN: 2582-2160   •   Impact Factor: 9.24

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Leveraging CPU Features for Computational Efficiency: A Deep Dive into Modern Optimization Techniques

Author(s) Pradeep Kumar
Country United States
Abstract Modern computational workloads demand exceptional performance and efficiency, necessitating the effective utilization of advanced CPU features such as SIMD (Single Instruction Multiple Data), instruction-level parallelism (ILP), and branch prediction. This paper explores optimization techniques that address inefficiencies at the algorithmic, architectural, and system levels, enabling software to align with hardware capabilities.
Key techniques include resolving data dependencies, enhancing memory locality, utilizing compiler intrinsics,applying tail call optimizations, and employing strategies like loop unrolling, blocking, vectorization, and function inlining. Tail call optimization and breaking dependency chains are analyzed to improve parallelism and reduce processing overhead. Both manual and compiler-driven approaches are evaluated, providing insights into their trade-offs and synergies. Experimental results from benchmarks, such as matrix multiplication and particle simulations, demonstrate significant gains, with up to a 3x increase in instructions per cycle (IPC) and a 40% reduction in execution time. These findings highlight the critical role of optimizing software for architectural features like cache hierarchies, pipelining, and vector widths.
This study provides techniques to maximize CPU efficiency, bridging the gap between hardware potential and software performance. Future directions include extending these methodologies to hybrid architectures like GPUs and integrating machine learning models for dynamic runtime optimization.
Keywords Computational Efficiency, CPU Optimization, SIMD, Instruction-Level Parallelism, Loop Transformations, Compiler Intrinsics
Field Engineering
Published In Volume 3, Issue 4, July-August 2021
Published On 2021-07-08
DOI https://doi.org/10.36948/ijfmr.2021.v03i04.37540
Short DOI https://doi.org/g85snd
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E-ISSN 2582-2160
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