Files
psxrecomp/recompiler/include
Matthew Stanley 12934ed2c5 data-shards spike: memoized pure-function replay (capture/verify/replay + cycle-faithful credit)
- runtime/src/data_shards.c + include: read-before-write recorder fed from
  the memory chokepoints; byte-verified replay (kernel-bless pattern);
  recorded-cycle credit in slices through psx_advance_cycles +
  psx_check_interrupts_at; purity poisons (MMIO/DMA/thread-switch/budget);
  .dss persistence under the unified cache dir; TCP data_shards cmd.
- emitter: [data_shards] funcs -> psx_datashard_enter at entry +
  psx_datashard_ret at jr-$ra sites (rolls cg-hash).
- obs: phase_hot set=static keyed on new g_psx_last_fn_entry entry stamp
  (current_func dispatch stamp survives post-IRQ resumption and pooled 55%
  of static samples on kernel 0xF40); TCP starv_ring query for the
  always-on PC-sample ring.
- docs/DATA_SHARDS.md: design, soundness model, gates, FMV exclusion.
2026-07-14 11:08:02 -07:00
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