Set egress mode
Dr Richard Peters, JLR's chief medical officer, said firms had "a part to play" in supporting people with health conditions in work, adding: "It's the right thing to do because if we have a healthier staff, then we have a more productive workforce."
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Claude Code entered plan mode and designed a 17-step implementation across 4 files. No code was written yet, just the architecture: \count registers for the board, signed integers for pieces, token lists for moves, a test suite to validate correctness. 19 API calls.
Memory that is prefetched with xdcbt is toxic. If it is written by another core before being flushed from L1 then two cores have different views of memory and there is no guarantee their views will ever converge. The Xbox 360 cache lines were 128 bytes and my copy routine’s prefetching went right to the end of the source memory, meaning that xdcbt was applied to some cache lines whose latter portions were part of adjacent data structures. Typically this was heap metadata – at least that’s where we saw the crashes. The incoherent core saw stale data (despite careful use of locks), and crashed, but the crash dump wrote out the actual contents of RAM so that we couldn’t see what happened.