The Flight Data Recorder continually logs memory races in a multithreaded execution, enabling the deterministic replay invaluable for debugging concurrency errors, yet adds only modest hardware to a multicore chip. In experiments, recording incurred less than 2 percent runtime overhead.
Index Terms:
multicore, multithreading, determinism, shared-memory race recording, cache coherence
Citation:
Min Xu, Rastislav Bod?, Mark D. Hill, "A Hardware Memory Race Recorder for Deterministic Replay," IEEE Micro, vol. 27, no. 1, pp. 48-55, Jan./Feb. 2007, doi:10.1109/MM.2007.2