
Developed a SIMD-accelerated string search feature for the IBM/velox repository, focusing on enhancing text-processing performance in C++. The work introduced simdStrstr, a new method that leverages SIMD instructions to compare the first and last characters of the search needle in parallel batches before proceeding to full string comparison. This approach reduces unnecessary comparisons and improves the efficiency of search-heavy queries, particularly in scenarios where early character matches are common. The implementation replaced the traditional std::find in common search patterns, laying a foundation for broader performance optimization in Velox and demonstrating expertise in C++, SIMD, and string algorithms.
November 2024 — IBM/velox: Focused on performance-driven enhancements by delivering a SIMD-accelerated string search feature. Implemented simdStrstr to significantly speed up string searching over the traditional std::find, using SIMD batches to compare the first/last characters before full comparisons. This work lays the groundwork for faster text-processing workloads and improves responsiveness of search-heavy queries across Velox-based deployments.
November 2024 — IBM/velox: Focused on performance-driven enhancements by delivering a SIMD-accelerated string search feature. Implemented simdStrstr to significantly speed up string searching over the traditional std::find, using SIMD batches to compare the first/last characters before full comparisons. This work lays the groundwork for faster text-processing workloads and improves responsiveness of search-heavy queries across Velox-based deployments.

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