DTHREADS works by exploding multithreaded applications into multiple processes, with private, copy-on-write mappings to shared memory... Experimental results show that DTHREADS substantially outperforms a state-of-the-art deterministic runtime system, and for a majority of the benchmarks evaluated here, matches and occasionally exceeds the performance of pthreads.
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Paper link (2011): https://people.cs.umass.edu/~emery/pubs/dthreads-sosp11.pdf
Never heard of this, I’m really interested in digging into this paper. Thank you both for the tip!