Tulane University Laboratory for Software Design Department of Computer Science · School of Science & Engineering
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Sapha

As multi-core processors became common, heterogeneity among cores on a single chip created a need to assign application threads to cores so that a thread’s resource needs match resource availability at its core. Sapha designed, implemented, and evaluated automatic thread-to-core assignment techniques for heterogeneous multi-core processors to improve their utilization without requiring hand-built representative input sets.

This project concluded during the lab’s time at Iowa State University.

Publications

  • TOCE '12 · Frances: A Tool For Understanding Computer Architecture and Assembly Language
  • Sondag PhD Thesis · Phase-based tuning: better utilized performance asymmetric multicores
  • CGO '11 · Phase-based Tuning for Better Utilization of Performance-Asymmetric Multicore Processors
  • CCSC '11 · Frances-A: A Tool for Architecture Level Program Visualization
  • SIGCSE '10 · Frances: A Tool For Understanding Code Generation
  • RTSS '10 · A More Precise Abstract Domain For Multi-level Caches for Tighter WCET Analysis
  • CCSC '10 · Connecting high-level programming constructs to assembly language using Frances: tutorial presentation
  • Sondag MS Thesis · Phase-based tuning for better utilized performance-asymmetric multicores
  • IW-MSE '09 · Phase-guided Thread-to-core Assignment for Improved Utilization of Performance-Asymmetric Multi-Core Processors
  • PLOS '07 · Predictive Thread-to-Core Assignment on a Heterogeneous Multi-core Processor

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Laboratory for Software Design
Department of Computer Science · School of Science & Engineering · Tulane University

We work on programming languages and software engineering, with a focus on making software and AI more reliable.

Contact

201 Lindy Claiborne Boggs Center
6823 St. Charles Avenue
New Orleans, LA 70118

Phone: (504) 865-5764

hrajan@tulane.edu

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© 2026 Hridesh Rajan. All rights reserved.
Research supported in part by the US National Science Foundation.