Measure 021: BFS 190 to 90 ms over HTTP against C's 9.1, short of C; Pure's forms by hand beat C only packed, narrow and read ahead (123)

1 files changed, 3 insertions, 0 deletions

diff --git a/research/experiments/038-past-c/2026-10-05-all-tpcc-after-4.jsonl b/research/experiments/038-past-c/2026-10-05-all-tpcc-after-4.jsonl
new file mode 100644
index 0000000..b083f6a
--- /dev/null
+++ b/research/experiments/038-past-c/2026-10-05-all-tpcc-after-4.jsonl
@@ -0,0 +1,3 @@
+{"step": "load", "directory": "/dev/shm", "warehouses": 1, "rows": 568758, "generate_s": 0.56, "pure_load_s": 0.62, "sqlite_load_s": 1.64, "sqlite_page_size": 4096, "pure_resident_mib": 38.5, "sqlite_file_mib": 13.8}
+{"step": "run", "system": "pure", "warehouses": 1, "terminals": 64, "transactions_per_second": 41759, "new_orders_per_minute": 1117498, "undone_new_orders": 3567, "errors": 0, "new_order": {"done": 376068, "failed": 0, "p50_us": 1472, "p99_us": 4352}, "payment": {"done": 358853, "failed": 0, "p50_us": 1472, "p99_us": 4352}, "order_status": {"done": 33549, "failed": 0, "p50_us": 272, "p99_us": 1600}, "delivery": {"done": 33440, "failed": 0, "p50_us": 1472, "p99_us": 4352}, "stock_level": {"done": 33266, "failed": 0, "p50_us": 304, "p99_us": 1728}, "server_threads": "3", "cpu_us_per_transaction": 45.5, "core_shares": {"pure-owner": 0.87, "pure-checkpoint": 0.01}, "resident_mib": 440.8, "written_bytes_per_transaction": 0.0, "device_bytes_per_transaction": null, "consistency_failures": []}
+{"step": "end", "pure_resident_mib": 440.8, "pure_state_mib": 223.4, "pure_store_mib": 230.7, "sqlite_files_mib": 13.8, "grouped_sqlite_files_mib": 0.0, "pure_counts": {"bursts": 25938, "burst_events": 764874, "checkpoints": 37}}