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-tpcc-after-6.jsonl b/research/experiments/038-past-c/2026-10-05-tpcc-after-6.jsonl
new file mode 100644
index 0000000..e37a293
--- /dev/null
+++ b/research/experiments/038-past-c/2026-10-05-tpcc-after-6.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": 1.57, "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": 43069, "new_orders_per_minute": 1152293, "undone_new_orders": 3690, "errors": 0, "new_order": {"done": 387789, "failed": 0, "p50_us": 1472, "p99_us": 3712}, "payment": {"done": 370205, "failed": 0, "p50_us": 1472, "p99_us": 3712}, "order_status": {"done": 34545, "failed": 0, "p50_us": 272, "p99_us": 1344}, "delivery": {"done": 34526, "failed": 0, "p50_us": 1472, "p99_us": 3584}, "stock_level": {"done": 34308, "failed": 0, "p50_us": 304, "p99_us": 1472}, "server_threads": "3", "cpu_us_per_transaction": 45.5, "core_shares": {"pure-owner": 0.9, "pure-checkpoint": 0.01}, "resident_mib": 452.3, "written_bytes_per_transaction": 0.0, "device_bytes_per_transaction": null, "consistency_failures": []}
+{"step": "end", "pure_resident_mib": 452.3, "pure_state_mib": 229.7, "pure_store_mib": 238.7, "sqlite_files_mib": 13.8, "grouped_sqlite_files_mib": 0.0, "pure_counts": {"bursts": 26728, "burst_events": 788914, "checkpoints": 38}}