Intel’s Haswell’s Transactional Memory
Interesting reading over on real world technologies.
One of the earliest implementations of transactional memory was the gated store buffer used in Transmeta’s Crusoe and Efficeon processors. However, this was only used to facilitate speculative optimizations for binary translation, rather than any form of SpMT or exposing it directly to programmers. Azul Systems also implemented hardware TM to accelerate their Java appliances, but this was similarly hidden from outsiders.
