027's stage 4 closed: 106 opcodes now 95, 7 state kinds 6, 6 input kinds and the frame and pointing 3 kinds and their bindings, a view's type a record field's, the fixed limits the format's and the list engine's widths alone; core 22,398 lines to 22,766, serve.c 5,086 to 5,058, aup's compile.c 5,923 to 5,720; TPC-C in RAM (W=1, 64 terminals, 20 s, in turns with stage 3's end, three each) 45,893 transactions a second to 46,063 (+0.37%), new-order p99 3,712 to 3,456 us; the bank's queries (stage 3's on its aup's module, five each in turns) field -1.23% to in_credit +1.15% (the noisy three within their 1-3% spread); CHECKPOINT's direction row through stage 4, its nesting as it is now

1 files changed, 3 insertions, 0 deletions

diff --git a/research/experiments/040-against-c/2026-10-19-tpcc-s42-3.jsonl b/research/experiments/040-against-c/2026-10-19-tpcc-s42-3.jsonl
new file mode 100644
index 0000000..ae105c7
--- /dev/null
+++ b/research/experiments/040-against-c/2026-10-19-tpcc-s42-3.jsonl
@@ -0,0 +1,3 @@
+{"step": "load", "directory": "/dev/shm", "warehouses": 1, "rows": 568758, "generate_s": 0.56, "pure_load_s": 0.63, "sqlite_load_s": 1.55, "sqlite_page_size": 4096, "pure_resident_mib": 40.4, "sqlite_file_mib": 13.8}
+{"step": "run", "system": "pure", "warehouses": 1, "terminals": 64, "transactions_per_second": 46063, "new_orders_per_minute": 1232343, "undone_new_orders": 3961, "errors": 0, "new_order": {"done": 414753, "failed": 0, "p50_us": 1408, "p99_us": 3456}, "payment": {"done": 395995, "failed": 0, "p50_us": 1344, "p99_us": 3328}, "order_status": {"done": 36961, "failed": 0, "p50_us": 256, "p99_us": 1152}, "delivery": {"done": 36876, "failed": 0, "p50_us": 1344, "p99_us": 3328}, "stock_level": {"done": 36703, "failed": 0, "p50_us": 288, "p99_us": 1280}, "server_threads": "3", "cpu_us_per_transaction": 42.5, "core_shares": {"pure-owner": 0.89, "pure-checkpoint": 0.01}, "resident_mib": 483.1, "written_bytes_per_transaction": 0.0, "device_bytes_per_transaction": null, "consistency_failures": []}
+{"step": "end", "pure_resident_mib": 483.1, "pure_state_mib": 244.1, "pure_store_mib": 254.7, "sqlite_files_mib": 13.8, "grouped_sqlite_files_mib": 0.0, "pure_counts": {"bursts": 28334, "burst_events": 843747, "checkpoints": 41}}