$ valgrind --skin=helgrind parrot t.pasm [ ... ] ==26713== Possible data race reading variable at 0x4141F8B0 ==26713== at 0x80CDCCE: runops_slow_core (src/runops_cores.c:115)
That one is obviously ok (different threads are reading the ops image).
But there are a lot of other possible races mainly in interpreter destruction, which I didn't look at yet.
leo
