Measure 018 stage 2: a graph search in one event, the pairs, and runs to compare across machines (033)

34 files changed, 511 insertions, 0 deletions

diff --git a/research/experiments/033-computing/2026-10-04-bfs-100000-1000000.jsonl b/research/experiments/033-computing/2026-10-04-bfs-100000-1000000.jsonl
new file mode 100644
index 0000000..bab1f31
--- /dev/null
+++ b/research/experiments/033-computing/2026-10-04-bfs-100000-1000000.jsonl
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diff --git a/research/experiments/033-computing/2026-10-04-counts.jsonl b/research/experiments/033-computing/2026-10-04-counts.jsonl
new file mode 100644
index 0000000..3ff9d93
--- /dev/null
+++ b/research/experiments/033-computing/2026-10-04-counts.jsonl
@@ -0,0 +1,4 @@
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diff --git a/research/experiments/033-computing/2026-10-04-load.txt b/research/experiments/033-computing/2026-10-04-load.txt
new file mode 100644
index 0000000..e5986ee
--- /dev/null
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diff --git a/research/experiments/033-computing/2026-10-04-pi.jsonl b/research/experiments/033-computing/2026-10-04-pi.jsonl
new file mode 100644
index 0000000..d8dd4cb
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diff --git a/research/experiments/033-computing/2026-10-04-queries-after-1.jsonl b/research/experiments/033-computing/2026-10-04-queries-after-1.jsonl
new file mode 100644
index 0000000..fb1ea3a
--- /dev/null
+++ b/research/experiments/033-computing/2026-10-04-queries-after-1.jsonl
@@ -0,0 +1,4 @@
+{"query": "per_branch", "rows": 10, "accounts": 100000, "pure_median_ms": 5.28, "pure_fastest_ms": 5.18, "sqlite_median_ms": 45.24, "sqlite_fastest_ms": 45.15, "sqlite_indexed_median_ms": 14.1, "sqlite_indexed_fastest_ms": 14.05}
+{"query": "in_credit", "rows": 1, "accounts": 100000, "pure_median_ms": 0.85, "pure_fastest_ms": 0.82, "sqlite_median_ms": 5.9, "sqlite_fastest_ms": 5.87, "sqlite_indexed_median_ms": 0.16, "sqlite_indexed_fastest_ms": 0.16}
+{"query": "large", "rows": 212, "accounts": 100000, "pure_median_ms": 0.42, "pure_fastest_ms": 0.4, "sqlite_median_ms": 1.48, "sqlite_fastest_ms": 1.47, "sqlite_indexed_median_ms": 1.48, "sqlite_indexed_fastest_ms": 1.47}
+{"query": "ranks", "rows": 404, "accounts": 100000, "pure_median_ms": 6.84, "pure_fastest_ms": 6.77, "sqlite_median_ms": 2833.31, "sqlite_fastest_ms": 2831.44, "sqlite_indexed_median_ms": 7.54, "sqlite_indexed_fastest_ms": 7.5}
diff --git a/research/experiments/033-computing/2026-10-04-queries-after-2.jsonl b/research/experiments/033-computing/2026-10-04-queries-after-2.jsonl
new file mode 100644
index 0000000..c35d15e
--- /dev/null
+++ b/research/experiments/033-computing/2026-10-04-queries-after-2.jsonl
@@ -0,0 +1,4 @@
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diff --git a/research/experiments/033-computing/2026-10-04-queries-after-3.jsonl b/research/experiments/033-computing/2026-10-04-queries-after-3.jsonl
new file mode 100644
index 0000000..ad55a8c
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+++ b/research/experiments/033-computing/2026-10-04-queries-after-3.jsonl
@@ -0,0 +1,4 @@
+{"query": "per_branch", "rows": 10, "accounts": 100000, "pure_median_ms": 5.28, "pure_fastest_ms": 5.19, "sqlite_median_ms": 44.91, "sqlite_fastest_ms": 44.78, "sqlite_indexed_median_ms": 14.09, "sqlite_indexed_fastest_ms": 14.07}
+{"query": "in_credit", "rows": 1, "accounts": 100000, "pure_median_ms": 0.83, "pure_fastest_ms": 0.81, "sqlite_median_ms": 5.88, "sqlite_fastest_ms": 5.87, "sqlite_indexed_median_ms": 0.16, "sqlite_indexed_fastest_ms": 0.16}
+{"query": "large", "rows": 212, "accounts": 100000, "pure_median_ms": 0.39, "pure_fastest_ms": 0.37, "sqlite_median_ms": 1.47, "sqlite_fastest_ms": 1.47, "sqlite_indexed_median_ms": 1.47, "sqlite_indexed_fastest_ms": 1.47}
+{"query": "ranks", "rows": 404, "accounts": 100000, "pure_median_ms": 6.9, "pure_fastest_ms": 6.7, "sqlite_median_ms": 2831.02, "sqlite_fastest_ms": 2829.23, "sqlite_indexed_median_ms": 7.52, "sqlite_indexed_fastest_ms": 7.49}
diff --git a/research/experiments/033-computing/2026-10-04-queries-after-4.jsonl b/research/experiments/033-computing/2026-10-04-queries-after-4.jsonl
new file mode 100644
index 0000000..ed1e9ff
--- /dev/null
+++ b/research/experiments/033-computing/2026-10-04-queries-after-4.jsonl
@@ -0,0 +1,4 @@
+{"query": "per_branch", "rows": 10, "accounts": 100000, "pure_median_ms": 5.22, "pure_fastest_ms": 5.16, "sqlite_median_ms": 45.28, "sqlite_fastest_ms": 45.11, "sqlite_indexed_median_ms": 14.06, "sqlite_indexed_fastest_ms": 14.03}
+{"query": "in_credit", "rows": 1, "accounts": 100000, "pure_median_ms": 0.85, "pure_fastest_ms": 0.81, "sqlite_median_ms": 5.87, "sqlite_fastest_ms": 5.86, "sqlite_indexed_median_ms": 0.16, "sqlite_indexed_fastest_ms": 0.16}
+{"query": "large", "rows": 212, "accounts": 100000, "pure_median_ms": 0.38, "pure_fastest_ms": 0.37, "sqlite_median_ms": 1.47, "sqlite_fastest_ms": 1.47, "sqlite_indexed_median_ms": 1.48, "sqlite_indexed_fastest_ms": 1.47}
+{"query": "ranks", "rows": 404, "accounts": 100000, "pure_median_ms": 6.78, "pure_fastest_ms": 6.73, "sqlite_median_ms": 2835.98, "sqlite_fastest_ms": 2831.48, "sqlite_indexed_median_ms": 7.53, "sqlite_indexed_fastest_ms": 7.5}
diff --git a/research/experiments/033-computing/2026-10-04-queries-after-5.jsonl b/research/experiments/033-computing/2026-10-04-queries-after-5.jsonl
new file mode 100644
index 0000000..62d766b
--- /dev/null
+++ b/research/experiments/033-computing/2026-10-04-queries-after-5.jsonl
@@ -0,0 +1,4 @@
+{"query": "per_branch", "rows": 10, "accounts": 100000, "pure_median_ms": 5.2, "pure_fastest_ms": 5.14, "sqlite_median_ms": 45.36, "sqlite_fastest_ms": 45.16, "sqlite_indexed_median_ms": 14.08, "sqlite_indexed_fastest_ms": 14.03}
+{"query": "in_credit", "rows": 1, "accounts": 100000, "pure_median_ms": 0.93, "pure_fastest_ms": 0.81, "sqlite_median_ms": 5.9, "sqlite_fastest_ms": 5.87, "sqlite_indexed_median_ms": 0.16, "sqlite_indexed_fastest_ms": 0.16}
+{"query": "large", "rows": 212, "accounts": 100000, "pure_median_ms": 0.44, "pure_fastest_ms": 0.38, "sqlite_median_ms": 1.48, "sqlite_fastest_ms": 1.47, "sqlite_indexed_median_ms": 1.47, "sqlite_indexed_fastest_ms": 1.47}
+{"query": "ranks", "rows": 404, "accounts": 100000, "pure_median_ms": 6.67, "pure_fastest_ms": 6.63, "sqlite_median_ms": 2834.43, "sqlite_fastest_ms": 2831.99, "sqlite_indexed_median_ms": 7.62, "sqlite_indexed_fastest_ms": 7.5}
diff --git a/research/experiments/033-computing/2026-10-04-queries-after-6.jsonl b/research/experiments/033-computing/2026-10-04-queries-after-6.jsonl
new file mode 100644
index 0000000..9b149c3
--- /dev/null
+++ b/research/experiments/033-computing/2026-10-04-queries-after-6.jsonl
@@ -0,0 +1,4 @@
+{"query": "per_branch", "rows": 10, "accounts": 100000, "pure_median_ms": 5.36, "pure_fastest_ms": 5.14, "sqlite_median_ms": 45.28, "sqlite_fastest_ms": 45.13, "sqlite_indexed_median_ms": 14.2, "sqlite_indexed_fastest_ms": 14.11}
+{"query": "in_credit", "rows": 1, "accounts": 100000, "pure_median_ms": 0.89, "pure_fastest_ms": 0.81, "sqlite_median_ms": 5.89, "sqlite_fastest_ms": 5.87, "sqlite_indexed_median_ms": 0.16, "sqlite_indexed_fastest_ms": 0.16}
+{"query": "large", "rows": 212, "accounts": 100000, "pure_median_ms": 0.38, "pure_fastest_ms": 0.37, "sqlite_median_ms": 1.48, "sqlite_fastest_ms": 1.47, "sqlite_indexed_median_ms": 1.48, "sqlite_indexed_fastest_ms": 1.47}
+{"query": "ranks", "rows": 404, "accounts": 100000, "pure_median_ms": 6.77, "pure_fastest_ms": 6.69, "sqlite_median_ms": 2835.72, "sqlite_fastest_ms": 2832.42, "sqlite_indexed_median_ms": 7.56, "sqlite_indexed_fastest_ms": 7.5}
diff --git a/research/experiments/033-computing/2026-10-04-queries-before-1.jsonl b/research/experiments/033-computing/2026-10-04-queries-before-1.jsonl
new file mode 100644
index 0000000..5c7318d
--- /dev/null
+++ b/research/experiments/033-computing/2026-10-04-queries-before-1.jsonl
@@ -0,0 +1,4 @@
+{"query": "per_branch", "rows": 10, "accounts": 100000, "pure_median_ms": 5.25, "pure_fastest_ms": 5.17, "sqlite_median_ms": 45.28, "sqlite_fastest_ms": 45.09, "sqlite_indexed_median_ms": 14.01, "sqlite_indexed_fastest_ms": 13.99}
+{"query": "in_credit", "rows": 1, "accounts": 100000, "pure_median_ms": 0.86, "pure_fastest_ms": 0.81, "sqlite_median_ms": 5.87, "sqlite_fastest_ms": 5.86, "sqlite_indexed_median_ms": 0.16, "sqlite_indexed_fastest_ms": 0.16}
+{"query": "large", "rows": 212, "accounts": 100000, "pure_median_ms": 0.37, "pure_fastest_ms": 0.36, "sqlite_median_ms": 1.48, "sqlite_fastest_ms": 1.47, "sqlite_indexed_median_ms": 1.47, "sqlite_indexed_fastest_ms": 1.47}
+{"query": "ranks", "rows": 404, "accounts": 100000, "pure_median_ms": 7.31, "pure_fastest_ms": 6.65, "sqlite_median_ms": 2834.47, "sqlite_fastest_ms": 2830.59, "sqlite_indexed_median_ms": 7.55, "sqlite_indexed_fastest_ms": 7.51}
diff --git a/research/experiments/033-computing/2026-10-04-queries-before-2.jsonl b/research/experiments/033-computing/2026-10-04-queries-before-2.jsonl
new file mode 100644
index 0000000..b82a301
--- /dev/null
+++ b/research/experiments/033-computing/2026-10-04-queries-before-2.jsonl
@@ -0,0 +1,4 @@
+{"query": "per_branch", "rows": 10, "accounts": 100000, "pure_median_ms": 5.26, "pure_fastest_ms": 5.21, "sqlite_median_ms": 45.2, "sqlite_fastest_ms": 45.07, "sqlite_indexed_median_ms": 14.01, "sqlite_indexed_fastest_ms": 13.99}
+{"query": "in_credit", "rows": 1, "accounts": 100000, "pure_median_ms": 0.88, "pure_fastest_ms": 0.81, "sqlite_median_ms": 5.94, "sqlite_fastest_ms": 5.87, "sqlite_indexed_median_ms": 0.16, "sqlite_indexed_fastest_ms": 0.16}
+{"query": "large", "rows": 212, "accounts": 100000, "pure_median_ms": 0.38, "pure_fastest_ms": 0.37, "sqlite_median_ms": 1.48, "sqlite_fastest_ms": 1.47, "sqlite_indexed_median_ms": 1.48, "sqlite_indexed_fastest_ms": 1.47}
+{"query": "ranks", "rows": 404, "accounts": 100000, "pure_median_ms": 6.73, "pure_fastest_ms": 6.67, "sqlite_median_ms": 2833.21, "sqlite_fastest_ms": 2832.37, "sqlite_indexed_median_ms": 7.59, "sqlite_indexed_fastest_ms": 7.52}
diff --git a/research/experiments/033-computing/2026-10-04-queries-before-3.jsonl b/research/experiments/033-computing/2026-10-04-queries-before-3.jsonl
new file mode 100644
index 0000000..aa78a08
--- /dev/null
+++ b/research/experiments/033-computing/2026-10-04-queries-before-3.jsonl
@@ -0,0 +1,4 @@
+{"query": "per_branch", "rows": 10, "accounts": 100000, "pure_median_ms": 5.22, "pure_fastest_ms": 5.19, "sqlite_median_ms": 44.86, "sqlite_fastest_ms": 44.79, "sqlite_indexed_median_ms": 14.02, "sqlite_indexed_fastest_ms": 13.98}
+{"query": "in_credit", "rows": 1, "accounts": 100000, "pure_median_ms": 0.85, "pure_fastest_ms": 0.81, "sqlite_median_ms": 5.87, "sqlite_fastest_ms": 5.86, "sqlite_indexed_median_ms": 0.16, "sqlite_indexed_fastest_ms": 0.16}
+{"query": "large", "rows": 212, "accounts": 100000, "pure_median_ms": 0.39, "pure_fastest_ms": 0.36, "sqlite_median_ms": 1.47, "sqlite_fastest_ms": 1.47, "sqlite_indexed_median_ms": 1.47, "sqlite_indexed_fastest_ms": 1.47}
+{"query": "ranks", "rows": 404, "accounts": 100000, "pure_median_ms": 6.73, "pure_fastest_ms": 6.67, "sqlite_median_ms": 2833.09, "sqlite_fastest_ms": 2829.5, "sqlite_indexed_median_ms": 7.53, "sqlite_indexed_fastest_ms": 7.49}
diff --git a/research/experiments/033-computing/2026-10-04-queries-before-4.jsonl b/research/experiments/033-computing/2026-10-04-queries-before-4.jsonl
new file mode 100644
index 0000000..434b550
--- /dev/null
+++ b/research/experiments/033-computing/2026-10-04-queries-before-4.jsonl
@@ -0,0 +1,4 @@
+{"query": "per_branch", "rows": 10, "accounts": 100000, "pure_median_ms": 5.24, "pure_fastest_ms": 5.16, "sqlite_median_ms": 44.92, "sqlite_fastest_ms": 44.83, "sqlite_indexed_median_ms": 13.98, "sqlite_indexed_fastest_ms": 13.95}
+{"query": "in_credit", "rows": 1, "accounts": 100000, "pure_median_ms": 0.86, "pure_fastest_ms": 0.82, "sqlite_median_ms": 5.88, "sqlite_fastest_ms": 5.86, "sqlite_indexed_median_ms": 0.16, "sqlite_indexed_fastest_ms": 0.16}
+{"query": "large", "rows": 212, "accounts": 100000, "pure_median_ms": 0.39, "pure_fastest_ms": 0.37, "sqlite_median_ms": 1.48, "sqlite_fastest_ms": 1.47, "sqlite_indexed_median_ms": 1.49, "sqlite_indexed_fastest_ms": 1.47}
+{"query": "ranks", "rows": 404, "accounts": 100000, "pure_median_ms": 6.75, "pure_fastest_ms": 6.63, "sqlite_median_ms": 2836.09, "sqlite_fastest_ms": 2830.65, "sqlite_indexed_median_ms": 7.56, "sqlite_indexed_fastest_ms": 7.49}
diff --git a/research/experiments/033-computing/2026-10-04-queries-before-5.jsonl b/research/experiments/033-computing/2026-10-04-queries-before-5.jsonl
new file mode 100644
index 0000000..66096e9
--- /dev/null
+++ b/research/experiments/033-computing/2026-10-04-queries-before-5.jsonl
@@ -0,0 +1,4 @@
+{"query": "per_branch", "rows": 10, "accounts": 100000, "pure_median_ms": 5.25, "pure_fastest_ms": 5.17, "sqlite_median_ms": 46.37, "sqlite_fastest_ms": 46.18, "sqlite_indexed_median_ms": 14.72, "sqlite_indexed_fastest_ms": 14.67}
+{"query": "in_credit", "rows": 1, "accounts": 100000, "pure_median_ms": 0.84, "pure_fastest_ms": 0.81, "sqlite_median_ms": 5.91, "sqlite_fastest_ms": 5.89, "sqlite_indexed_median_ms": 0.16, "sqlite_indexed_fastest_ms": 0.16}
+{"query": "large", "rows": 212, "accounts": 100000, "pure_median_ms": 0.4, "pure_fastest_ms": 0.37, "sqlite_median_ms": 1.49, "sqlite_fastest_ms": 1.48, "sqlite_indexed_median_ms": 1.49, "sqlite_indexed_fastest_ms": 1.48}
+{"query": "ranks", "rows": 404, "accounts": 100000, "pure_median_ms": 6.71, "pure_fastest_ms": 6.68, "sqlite_median_ms": 2855.96, "sqlite_fastest_ms": 2850.03, "sqlite_indexed_median_ms": 7.61, "sqlite_indexed_fastest_ms": 7.54}
diff --git a/research/experiments/033-computing/2026-10-04-queries-before-6.jsonl b/research/experiments/033-computing/2026-10-04-queries-before-6.jsonl
new file mode 100644
index 0000000..74b7077
--- /dev/null
+++ b/research/experiments/033-computing/2026-10-04-queries-before-6.jsonl
@@ -0,0 +1,4 @@
+{"query": "per_branch", "rows": 10, "accounts": 100000, "pure_median_ms": 5.45, "pure_fastest_ms": 5.17, "sqlite_median_ms": 45.28, "sqlite_fastest_ms": 44.74, "sqlite_indexed_median_ms": 14.12, "sqlite_indexed_fastest_ms": 14.1}
+{"query": "in_credit", "rows": 1, "accounts": 100000, "pure_median_ms": 0.89, "pure_fastest_ms": 0.81, "sqlite_median_ms": 5.89, "sqlite_fastest_ms": 5.86, "sqlite_indexed_median_ms": 0.16, "sqlite_indexed_fastest_ms": 0.16}
+{"query": "large", "rows": 212, "accounts": 100000, "pure_median_ms": 0.38, "pure_fastest_ms": 0.36, "sqlite_median_ms": 1.47, "sqlite_fastest_ms": 1.47, "sqlite_indexed_median_ms": 1.48, "sqlite_indexed_fastest_ms": 1.47}
+{"query": "ranks", "rows": 404, "accounts": 100000, "pure_median_ms": 6.82, "pure_fastest_ms": 6.69, "sqlite_median_ms": 2837.35, "sqlite_fastest_ms": 2833.45, "sqlite_indexed_median_ms": 7.58, "sqlite_indexed_fastest_ms": 7.49}
diff --git a/research/experiments/033-computing/2026-10-04-tpcc-after-1.jsonl b/research/experiments/033-computing/2026-10-04-tpcc-after-1.jsonl
new file mode 100644
index 0000000..e37727d
--- /dev/null
+++ b/research/experiments/033-computing/2026-10-04-tpcc-after-1.jsonl
@@ -0,0 +1,3 @@
+{"step": "load", "directory": "/dev/shm", "warehouses": 1, "rows": 568758, "generate_s": 0.56, "pure_load_s": 0.73, "sqlite_load_s": 1.57, "sqlite_page_size": 4096, "pure_resident_mib": 38.3, "sqlite_file_mib": 13.8}
+{"step": "run", "system": "pure", "warehouses": 1, "terminals": 64, "transactions_per_second": 42566, "new_orders_per_minute": 1138958, "undone_new_orders": 3633, "errors": 0, "new_order": {"done": 383286, "failed": 0, "p50_us": 1536, "p99_us": 3584}, "payment": {"done": 365831, "failed": 0, "p50_us": 1472, "p99_us": 3584}, "order_status": {"done": 34175, "failed": 0, "p50_us": 256, "p99_us": 1152}, "delivery": {"done": 34116, "failed": 0, "p50_us": 1472, "p99_us": 3584}, "stock_level": {"done": 33916, "failed": 0, "p50_us": 288, "p99_us": 1280}, "server_threads": "3", "cpu_us_per_transaction": 44.4, "core_shares": {"pure-owner": 0.9, "pure-checkpoint": 0.01}, "resident_mib": 445.8, "written_bytes_per_transaction": 0.0, "device_bytes_per_transaction": null, "consistency_failures": []}
+{"step": "end", "pure_resident_mib": 445.8, "pure_state_mib": 227.3, "pure_store_mib": 230.7, "sqlite_files_mib": 13.8, "grouped_sqlite_files_mib": 0.0, "pure_counts": {"bursts": 25482, "burst_events": 779680, "checkpoints": 38}}
diff --git a/research/experiments/033-computing/2026-10-04-tpcc-after-2.jsonl b/research/experiments/033-computing/2026-10-04-tpcc-after-2.jsonl
new file mode 100644
index 0000000..98539ef
--- /dev/null
+++ b/research/experiments/033-computing/2026-10-04-tpcc-after-2.jsonl
@@ -0,0 +1,3 @@
+{"step": "load", "directory": "/dev/shm", "warehouses": 1, "rows": 568758, "generate_s": 0.56, "pure_load_s": 0.73, "sqlite_load_s": 1.57, "sqlite_page_size": 4096, "pure_resident_mib": 39.0, "sqlite_file_mib": 13.8}
+{"step": "run", "system": "pure", "warehouses": 1, "terminals": 64, "transactions_per_second": 42974, "new_orders_per_minute": 1149738, "undone_new_orders": 3678, "errors": 0, "new_order": {"done": 386927, "failed": 0, "p50_us": 1536, "p99_us": 3200}, "payment": {"done": 369394, "failed": 0, "p50_us": 1472, "p99_us": 3200}, "order_status": {"done": 34484, "failed": 0, "p50_us": 256, "p99_us": 1024}, "delivery": {"done": 34427, "failed": 0, "p50_us": 1472, "p99_us": 3200}, "stock_level": {"done": 34251, "failed": 0, "p50_us": 288, "p99_us": 1088}, "server_threads": "3", "cpu_us_per_transaction": 44.8, "core_shares": {"pure-owner": 0.91, "pure-checkpoint": 0.01}, "resident_mib": 450.7, "written_bytes_per_transaction": 0.0, "device_bytes_per_transaction": null, "consistency_failures": []}
+{"step": "end", "pure_resident_mib": 450.7, "pure_state_mib": 229.2, "pure_store_mib": 238.7, "sqlite_files_mib": 13.8, "grouped_sqlite_files_mib": 0.0, "pure_counts": {"bursts": 25774, "burst_events": 787155, "checkpoints": 38}}
diff --git a/research/experiments/033-computing/2026-10-04-tpcc-after-3.jsonl b/research/experiments/033-computing/2026-10-04-tpcc-after-3.jsonl
new file mode 100644
index 0000000..24d6e6e
--- /dev/null
+++ b/research/experiments/033-computing/2026-10-04-tpcc-after-3.jsonl
@@ -0,0 +1,3 @@
+{"step": "load", "directory": "/dev/shm", "warehouses": 1, "rows": 568758, "generate_s": 0.56, "pure_load_s": 0.74, "sqlite_load_s": 1.59, "sqlite_page_size": 4096, "pure_resident_mib": 39.0, "sqlite_file_mib": 13.8}
+{"step": "run", "system": "pure", "warehouses": 1, "terminals": 64, "transactions_per_second": 42788, "new_orders_per_minute": 1144782, "undone_new_orders": 3660, "errors": 0, "new_order": {"done": 385258, "failed": 0, "p50_us": 1536, "p99_us": 3584}, "payment": {"done": 367830, "failed": 0, "p50_us": 1472, "p99_us": 3456}, "order_status": {"done": 34327, "failed": 0, "p50_us": 256, "p99_us": 1152}, "delivery": {"done": 34269, "failed": 0, "p50_us": 1472, "p99_us": 3456}, "stock_level": {"done": 34090, "failed": 0, "p50_us": 288, "p99_us": 1152}, "server_threads": "3", "cpu_us_per_transaction": 44.0, "core_shares": {"pure-owner": 0.91, "pure-checkpoint": 0.01}, "resident_mib": 448.9, "written_bytes_per_transaction": 0.0, "device_bytes_per_transaction": null, "consistency_failures": []}
+{"step": "end", "pure_resident_mib": 448.9, "pure_state_mib": 228.3, "pure_store_mib": 238.7, "sqlite_files_mib": 13.8, "grouped_sqlite_files_mib": 0.0, "pure_counts": {"bursts": 25826, "burst_events": 783755, "checkpoints": 38}}
diff --git a/research/experiments/033-computing/2026-10-04-tpcc-after-4.jsonl b/research/experiments/033-computing/2026-10-04-tpcc-after-4.jsonl
new file mode 100644
index 0000000..1de2fd7
--- /dev/null
+++ b/research/experiments/033-computing/2026-10-04-tpcc-after-4.jsonl
@@ -0,0 +1,3 @@
+{"step": "load", "directory": "/dev/shm", "warehouses": 1, "rows": 568758, "generate_s": 0.56, "pure_load_s": 0.73, "sqlite_load_s": 1.61, "sqlite_page_size": 4096, "pure_resident_mib": 38.3, "sqlite_file_mib": 13.8}
+{"step": "run", "system": "pure", "warehouses": 1, "terminals": 64, "transactions_per_second": 42171, "new_orders_per_minute": 1128494, "undone_new_orders": 3606, "errors": 0, "new_order": {"done": 379771, "failed": 0, "p50_us": 1536, "p99_us": 3840}, "payment": {"done": 362393, "failed": 0, "p50_us": 1472, "p99_us": 3840}, "order_status": {"done": 33861, "failed": 0, "p50_us": 256, "p99_us": 1152}, "delivery": {"done": 33794, "failed": 0, "p50_us": 1472, "p99_us": 3840}, "stock_level": {"done": 33596, "failed": 0, "p50_us": 288, "p99_us": 1344}, "server_threads": "3", "cpu_us_per_transaction": 44.9, "core_shares": {"pure-owner": 0.9, "pure-checkpoint": 0.01}, "resident_mib": 443.2, "written_bytes_per_transaction": 0.0, "device_bytes_per_transaction": null, "consistency_failures": []}
+{"step": "end", "pure_resident_mib": 443.2, "pure_state_mib": 225.4, "pure_store_mib": 230.7, "sqlite_files_mib": 13.8, "grouped_sqlite_files_mib": 0.0, "pure_counts": {"bursts": 25588, "burst_events": 772438, "checkpoints": 38}}
diff --git a/research/experiments/033-computing/2026-10-04-tpcc-after-5.jsonl b/research/experiments/033-computing/2026-10-04-tpcc-after-5.jsonl
new file mode 100644
index 0000000..50c0153
--- /dev/null
+++ b/research/experiments/033-computing/2026-10-04-tpcc-after-5.jsonl
@@ -0,0 +1,3 @@
+{"step": "load", "directory": "/dev/shm", "warehouses": 1, "rows": 568758, "generate_s": 0.56, "pure_load_s": 0.73, "sqlite_load_s": 1.55, "sqlite_page_size": 4096, "pure_resident_mib": 39.0, "sqlite_file_mib": 13.8}
+{"step": "run", "system": "pure", "warehouses": 1, "terminals": 64, "transactions_per_second": 41855, "new_orders_per_minute": 1120166, "undone_new_orders": 3574, "errors": 0, "new_order": {"done": 377003, "failed": 0, "p50_us": 1536, "p99_us": 3840}, "payment": {"done": 359738, "failed": 0, "p50_us": 1472, "p99_us": 3968}, "order_status": {"done": 33609, "failed": 0, "p50_us": 256, "p99_us": 1344}, "delivery": {"done": 33528, "failed": 0, "p50_us": 1536, "p99_us": 3840}, "stock_level": {"done": 33321, "failed": 0, "p50_us": 288, "p99_us": 1344}, "server_threads": "3", "cpu_us_per_transaction": 45.1, "core_shares": {"pure-owner": 0.9, "pure-checkpoint": 0.01}, "resident_mib": 440.5, "written_bytes_per_transaction": 0.0, "device_bytes_per_transaction": null, "consistency_failures": []}
+{"step": "end", "pure_resident_mib": 440.5, "pure_state_mib": 223.9, "pure_store_mib": 230.7, "sqlite_files_mib": 13.8, "grouped_sqlite_files_mib": 0.0, "pure_counts": {"bursts": 25542, "burst_events": 766718, "checkpoints": 37}}
diff --git a/research/experiments/033-computing/2026-10-04-tpcc-after-6.jsonl b/research/experiments/033-computing/2026-10-04-tpcc-after-6.jsonl
new file mode 100644
index 0000000..690ffd0
--- /dev/null
+++ b/research/experiments/033-computing/2026-10-04-tpcc-after-6.jsonl
@@ -0,0 +1,3 @@
+{"step": "load", "directory": "/dev/shm", "warehouses": 1, "rows": 568758, "generate_s": 0.56, "pure_load_s": 0.75, "sqlite_load_s": 1.56, "sqlite_page_size": 4096, "pure_resident_mib": 38.3, "sqlite_file_mib": 13.8}
+{"step": "run", "system": "pure", "warehouses": 1, "terminals": 64, "transactions_per_second": 41800, "new_orders_per_minute": 1118709, "undone_new_orders": 3582, "errors": 0, "new_order": {"done": 376506, "failed": 0, "p50_us": 1536, "p99_us": 3968}, "payment": {"done": 359209, "failed": 0, "p50_us": 1472, "p99_us": 3968}, "order_status": {"done": 33555, "failed": 0, "p50_us": 272, "p99_us": 1344}, "delivery": {"done": 33485, "failed": 0, "p50_us": 1472, "p99_us": 3840}, "stock_level": {"done": 33291, "failed": 0, "p50_us": 304, "p99_us": 1536}, "server_threads": "3", "cpu_us_per_transaction": 45.0, "core_shares": {"pure-owner": 0.9, "pure-checkpoint": 0.01}, "resident_mib": 440.1, "written_bytes_per_transaction": 0.0, "device_bytes_per_transaction": null, "consistency_failures": []}
+{"step": "end", "pure_resident_mib": 440.1, "pure_state_mib": 223.7, "pure_store_mib": 230.7, "sqlite_files_mib": 13.8, "grouped_sqlite_files_mib": 0.0, "pure_counts": {"bursts": 25646, "burst_events": 765702, "checkpoints": 37}}
diff --git a/research/experiments/033-computing/2026-10-04-tpcc-before-1.jsonl b/research/experiments/033-computing/2026-10-04-tpcc-before-1.jsonl
new file mode 100644
index 0000000..6a1e9da
--- /dev/null
+++ b/research/experiments/033-computing/2026-10-04-tpcc-before-1.jsonl
@@ -0,0 +1,3 @@
+{"step": "load", "directory": "/dev/shm", "warehouses": 1, "rows": 568758, "generate_s": 0.56, "pure_load_s": 0.75, "sqlite_load_s": 1.57, "sqlite_page_size": 4096, "pure_resident_mib": 39.0, "sqlite_file_mib": 13.8}
+{"step": "run", "system": "pure", "warehouses": 1, "terminals": 64, "transactions_per_second": 43239, "new_orders_per_minute": 1157086, "undone_new_orders": 3694, "errors": 0, "new_order": {"done": 389391, "failed": 0, "p50_us": 1472, "p99_us": 3968}, "payment": {"done": 371590, "failed": 0, "p50_us": 1472, "p99_us": 3968}, "order_status": {"done": 34708, "failed": 0, "p50_us": 272, "p99_us": 1344}, "delivery": {"done": 34629, "failed": 0, "p50_us": 1472, "p99_us": 3840}, "stock_level": {"done": 34465, "failed": 0, "p50_us": 304, "p99_us": 1536}, "server_threads": "3", "cpu_us_per_transaction": 44.2, "core_shares": {"pure-owner": 0.9, "pure-checkpoint": 0.01}, "resident_mib": 453.6, "written_bytes_per_transaction": 0.0, "device_bytes_per_transaction": null, "consistency_failures": []}
+{"step": "end", "pure_resident_mib": 453.6, "pure_state_mib": 230.6, "pure_store_mib": 238.7, "sqlite_files_mib": 13.8, "grouped_sqlite_files_mib": 0.0, "pure_counts": {"bursts": 26588, "burst_events": 792001, "checkpoints": 38}}
diff --git a/research/experiments/033-computing/2026-10-04-tpcc-before-2.jsonl b/research/experiments/033-computing/2026-10-04-tpcc-before-2.jsonl
new file mode 100644
index 0000000..64d5c59
--- /dev/null
+++ b/research/experiments/033-computing/2026-10-04-tpcc-before-2.jsonl
@@ -0,0 +1,3 @@
+{"step": "load", "directory": "/dev/shm", "warehouses": 1, "rows": 568758, "generate_s": 0.56, "pure_load_s": 0.72, "sqlite_load_s": 1.58, "sqlite_page_size": 4096, "pure_resident_mib": 38.3, "sqlite_file_mib": 13.8}
+{"step": "run", "system": "pure", "warehouses": 1, "terminals": 64, "transactions_per_second": 42977, "new_orders_per_minute": 1149805, "undone_new_orders": 3682, "errors": 0, "new_order": {"done": 386989, "failed": 0, "p50_us": 1472, "p99_us": 3584}, "payment": {"done": 369458, "failed": 0, "p50_us": 1472, "p99_us": 3584}, "order_status": {"done": 34494, "failed": 0, "p50_us": 256, "p99_us": 1216}, "delivery": {"done": 34448, "failed": 0, "p50_us": 1472, "p99_us": 3456}, "stock_level": {"done": 34242, "failed": 0, "p50_us": 304, "p99_us": 1280}, "server_threads": "3", "cpu_us_per_transaction": 45.0, "core_shares": {"pure-owner": 0.9, "pure-checkpoint": 0.01}, "resident_mib": 450.5, "written_bytes_per_transaction": 0.0, "device_bytes_per_transaction": null, "consistency_failures": []}
+{"step": "end", "pure_resident_mib": 450.5, "pure_state_mib": 229.3, "pure_store_mib": 238.7, "sqlite_files_mib": 13.8, "grouped_sqlite_files_mib": 0.0, "pure_counts": {"bursts": 26174, "burst_events": 787259, "checkpoints": 38}}
diff --git a/research/experiments/033-computing/2026-10-04-tpcc-before-3.jsonl b/research/experiments/033-computing/2026-10-04-tpcc-before-3.jsonl
new file mode 100644
index 0000000..5a24819
--- /dev/null
+++ b/research/experiments/033-computing/2026-10-04-tpcc-before-3.jsonl
@@ -0,0 +1,3 @@
+{"step": "load", "directory": "/dev/shm", "warehouses": 1, "rows": 568758, "generate_s": 0.56, "pure_load_s": 0.73, "sqlite_load_s": 1.57, "sqlite_page_size": 4096, "pure_resident_mib": 38.3, "sqlite_file_mib": 13.8}
+{"step": "run", "system": "pure", "warehouses": 1, "terminals": 64, "transactions_per_second": 43325, "new_orders_per_minute": 1159094, "undone_new_orders": 3706, "errors": 0, "new_order": {"done": 390071, "failed": 0, "p50_us": 1472, "p99_us": 3584}, "payment": {"done": 372433, "failed": 0, "p50_us": 1472, "p99_us": 3584}, "order_status": {"done": 34750, "failed": 0, "p50_us": 256, "p99_us": 1152}, "delivery": {"done": 34711, "failed": 0, "p50_us": 1472, "p99_us": 3584}, "stock_level": {"done": 34532, "failed": 0, "p50_us": 288, "p99_us": 1216}, "server_threads": "3", "cpu_us_per_transaction": 44.3, "core_shares": {"pure-owner": 0.9, "pure-checkpoint": 0.01}, "resident_mib": 453.8, "written_bytes_per_transaction": 0.0, "device_bytes_per_transaction": null, "consistency_failures": []}
+{"step": "end", "pure_resident_mib": 453.8, "pure_state_mib": 230.9, "pure_store_mib": 238.7, "sqlite_files_mib": 13.8, "grouped_sqlite_files_mib": 0.0, "pure_counts": {"bursts": 26169, "burst_events": 793593, "checkpoints": 38}}
diff --git a/research/experiments/033-computing/2026-10-04-tpcc-before-4.jsonl b/research/experiments/033-computing/2026-10-04-tpcc-before-4.jsonl
new file mode 100644
index 0000000..0f56786
--- /dev/null
+++ b/research/experiments/033-computing/2026-10-04-tpcc-before-4.jsonl
@@ -0,0 +1,3 @@
+{"step": "load", "directory": "/dev/shm", "warehouses": 1, "rows": 568758, "generate_s": 0.56, "pure_load_s": 0.74, "sqlite_load_s": 1.57, "sqlite_page_size": 4096, "pure_resident_mib": 38.3, "sqlite_file_mib": 13.8}
+{"step": "run", "system": "pure", "warehouses": 1, "terminals": 64, "transactions_per_second": 42851, "new_orders_per_minute": 1146425, "undone_new_orders": 3672, "errors": 0, "new_order": {"done": 385815, "failed": 0, "p50_us": 1472, "p99_us": 3840}, "payment": {"done": 368369, "failed": 0, "p50_us": 1472, "p99_us": 3840}, "order_status": {"done": 34372, "failed": 0, "p50_us": 256, "p99_us": 1344}, "delivery": {"done": 34330, "failed": 0, "p50_us": 1472, "p99_us": 3840}, "stock_level": {"done": 34143, "failed": 0, "p50_us": 288, "p99_us": 1472}, "server_threads": "3", "cpu_us_per_transaction": 44.1, "core_shares": {"pure-owner": 0.9, "pure-checkpoint": 0.01}, "resident_mib": 449.3, "written_bytes_per_transaction": 0.0, "device_bytes_per_transaction": null, "consistency_failures": []}
+{"step": "end", "pure_resident_mib": 449.3, "pure_state_mib": 228.7, "pure_store_mib": 238.7, "sqlite_files_mib": 13.8, "grouped_sqlite_files_mib": 0.0, "pure_counts": {"bursts": 26308, "burst_events": 784917, "checkpoints": 38}}
diff --git a/research/experiments/033-computing/2026-10-04-tpcc-before-5.jsonl b/research/experiments/033-computing/2026-10-04-tpcc-before-5.jsonl
new file mode 100644
index 0000000..308896a
--- /dev/null
+++ b/research/experiments/033-computing/2026-10-04-tpcc-before-5.jsonl
@@ -0,0 +1,3 @@
+{"step": "load", "directory": "/dev/shm", "warehouses": 1, "rows": 568758, "generate_s": 0.56, "pure_load_s": 0.73, "sqlite_load_s": 1.6, "sqlite_page_size": 4096, "pure_resident_mib": 39.0, "sqlite_file_mib": 13.8}
+{"step": "run", "system": "pure", "warehouses": 1, "terminals": 64, "transactions_per_second": 42807, "new_orders_per_minute": 1145115, "undone_new_orders": 3665, "errors": 0, "new_order": {"done": 385372, "failed": 0, "p50_us": 1472, "p99_us": 3968}, "payment": {"done": 368000, "failed": 0, "p50_us": 1472, "p99_us": 3968}, "order_status": {"done": 34336, "failed": 0, "p50_us": 272, "p99_us": 1344}, "delivery": {"done": 34321, "failed": 0, "p50_us": 1472, "p99_us": 3968}, "stock_level": {"done": 34109, "failed": 0, "p50_us": 304, "p99_us": 1344}, "server_threads": "3", "cpu_us_per_transaction": 44.7, "core_shares": {"pure-owner": 0.9, "pure-checkpoint": 0.01}, "resident_mib": 450.0, "written_bytes_per_transaction": 0.0, "device_bytes_per_transaction": null, "consistency_failures": []}
+{"step": "end", "pure_resident_mib": 450.0, "pure_state_mib": 228.4, "pure_store_mib": 238.7, "sqlite_files_mib": 13.8, "grouped_sqlite_files_mib": 0.0, "pure_counts": {"bursts": 26497, "burst_events": 784111, "checkpoints": 38}}
diff --git a/research/experiments/033-computing/2026-10-04-tpcc-before-6.jsonl b/research/experiments/033-computing/2026-10-04-tpcc-before-6.jsonl
new file mode 100644
index 0000000..a3ad968
--- /dev/null
+++ b/research/experiments/033-computing/2026-10-04-tpcc-before-6.jsonl
@@ -0,0 +1,3 @@
+{"step": "load", "directory": "/dev/shm", "warehouses": 1, "rows": 568758, "generate_s": 0.56, "pure_load_s": 0.72, "sqlite_load_s": 1.57, "sqlite_page_size": 4096, "pure_resident_mib": 39.0, "sqlite_file_mib": 13.8}
+{"step": "run", "system": "pure", "warehouses": 1, "terminals": 64, "transactions_per_second": 43579, "new_orders_per_minute": 1166369, "undone_new_orders": 3734, "errors": 0, "new_order": {"done": 392525, "failed": 0, "p50_us": 1472, "p99_us": 3456}, "payment": {"done": 374493, "failed": 0, "p50_us": 1472, "p99_us": 3328}, "order_status": {"done": 34950, "failed": 0, "p50_us": 256, "p99_us": 1088}, "delivery": {"done": 34879, "failed": 0, "p50_us": 1472, "p99_us": 3200}, "stock_level": {"done": 34737, "failed": 0, "p50_us": 288, "p99_us": 1216}, "server_threads": "3", "cpu_us_per_transaction": 44.2, "core_shares": {"pure-owner": 0.91, "pure-checkpoint": 0.01}, "resident_mib": 457.8, "written_bytes_per_transaction": 0.0, "device_bytes_per_transaction": null, "consistency_failures": []}
+{"step": "end", "pure_resident_mib": 457.8, "pure_state_mib": 232.2, "pure_store_mib": 238.7, "sqlite_files_mib": 13.8, "grouped_sqlite_files_mib": 0.0, "pure_counts": {"bursts": 26554, "burst_events": 798222, "checkpoints": 39}}
diff --git a/research/experiments/033-computing/bfs.c b/research/experiments/033-computing/bfs.c
new file mode 100644
index 0000000..0c2c518
--- /dev/null
+++ b/research/experiments/033-computing/bfs.c
@@ -0,0 +1,57 @@
+/* The C baseline of research 118: a breadth first search over the graph
+ * bfs.py writes (u32le nodes, u32le edges, then u32le from and to of each,
+ * sorted), adjacency as offsets into one array, from each start given.
+ * bfs GRAPH FROM TO [FROM TO ...]: per search a JSON line, hops, reached
+ * and the median of ROUNDS runs in microseconds. */
+#define _POSIX_C_SOURCE 200809L
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+static double now_us(void) {
+    struct timespec t;
+    clock_gettime(CLOCK_MONOTONIC, &t);
+    return t.tv_sec * 1e6 + t.tv_nsec / 1e3;
+}
+
+static int compare(const void *a, const void *b) {
+    double x = *(const double *)a, y = *(const double *)b;
+    return (x > y) - (x < y);
+}
+
+int main(int argc, char **argv) {
+    FILE *f = fopen(argv[1], "rb");
+    uint32_t n, m;
+    if (!f || fread(&n, 4, 1, f) != 1 || fread(&m, 4, 1, f) != 1) return 1;
+    uint32_t *from = malloc(4ull * m), *to = malloc(4ull * m), *start = calloc(n + 1, 4);
+    for (uint32_t k = 0; k < m; ++k)
+        if (fread(&from[k], 4, 1, f) != 1 || fread(&to[k], 4, 1, f) != 1) return 1;
+    fclose(f);
+    for (uint32_t k = 0; k < m; ++k) ++start[from[k] + 1];
+    for (uint32_t v = 0; v < n; ++v) start[v + 1] += start[v];
+    int32_t *depth = malloc(4ull * n);
+    uint32_t *queue = malloc(4ull * n);
+    for (int a = 2; a + 1 < argc; a += 2) {
+        uint32_t s = (uint32_t)atoi(argv[a]), t = (uint32_t)atoi(argv[a + 1]);
+        double runs[21];
+        uint32_t reached = 0;
+        for (int r = 0; r < 21; ++r) {
+            double began = now_us();
+            for (uint32_t v = 0; v < n; ++v) depth[v] = -1;
+            uint32_t head = 0, tail = 0;
+            queue[tail++] = s;
+            depth[s] = 0;
+            while (head < tail) {
+                uint32_t v = queue[head++];
+                for (uint32_t k = start[v]; k < start[v + 1]; ++k)
+                    if (depth[to[k]] < 0) { depth[to[k]] = depth[v] + 1; queue[tail++] = to[k]; }
+            }
+            runs[r] = now_us() - began;
+            reached = tail;
+        }
+        qsort(runs, 21, sizeof(*runs), compare);
+        printf("{\"system\":\"c\",\"from\":%u,\"to\":%u,\"hops\":%d,\"reached\":%u,\"us\":%.1f}\n", s, t, depth[t], reached, runs[10]);
+    }
+    return 0;
+}
diff --git a/research/experiments/033-computing/bfs.py b/research/experiments/033-computing/bfs.py
new file mode 100755
index 0000000..8df19a8
--- /dev/null
+++ b/research/experiments/033-computing/bfs.py
@@ -0,0 +1,113 @@
+#!/usr/bin/env python3
+"""A breadth first search in one event (docs/design/018 stage 2, research
+118). A random graph of NODES nodes and EDGES edges (from and to uniform,
+no loops, each pair once; seed 118) goes into graph.aup on pure-serve
+(store in RAM, cores 0-2) as rows; then SEARCHES searches from random
+nodes, each one event (POST /inputs/route), timed by the client (the
+request on a kept connection; the event is nearly all of it), ROUNDS
+times each. The same searches run in C (bfs.c, adjacency as offsets) and
+in CPython (lists and a deque). All three must find the same hops and
+reach the same nodes.
+
+bfs.py PURE_SERVE AUP NODES EDGES SEARCHES ROUNDS   a JSON line per search and system, then medians
+"""
+import collections
+import http.client
+import json
+import random
+import shutil
+import statistics
+import struct
+import subprocess
+import sys
+import tempfile
+import time
+from pathlib import Path
+
+HERE = Path(__file__).resolve().parent
+
+
+def main():
+    serve, aup = Path(sys.argv[1]).resolve(), Path(sys.argv[2]).resolve()
+    nodes, edges_wanted, searches, rounds = (int(a) for a in sys.argv[3:7])
+    rng = random.Random(118)
+    pairs = set()
+    while len(pairs) < edges_wanted:
+        a, b = rng.randrange(nodes), rng.randrange(nodes)
+        if a != b:
+            pairs.add((a, b))
+    edges = sorted(pairs)
+    out = [[] for _ in range(nodes)]
+    for a, b in edges:
+        out[a].append(b)
+    queries = [(rng.randrange(nodes), rng.randrange(nodes)) for _ in range(searches)]
+    work = Path(tempfile.mkdtemp(prefix='pure-033-', dir='/dev/shm'))
+    try:
+        with open(work / 'graph.bin', 'wb') as f:
+            f.write(struct.pack('<II', nodes, len(edges)))
+            for a, b in edges:
+                f.write(struct.pack('<II', a, b))
+        subprocess.run(['cc', '-O2', '-o', str(work / 'bfs'), str(HERE / 'bfs.c')], check=True)
+        c_runs = subprocess.run(['taskset', '-c', '1', str(work / 'bfs'), str(work / 'graph.bin')] +
+                                [str(v) for q in queries for v in q], capture_output=True, text=True, check=True).stdout
+        found = {}
+        for line in c_runs.splitlines():
+            r = json.loads(line)
+            found[(r['from'], r['to'])] = (r['hops'], r['reached'])
+            print(json.dumps(r), flush=True)
+        times = {'c': [json.loads(line)['us'] for line in c_runs.splitlines()], 'python': [], 'pure': []}
+        for s, t in queries:
+            runs = []
+            for _ in range(rounds):
+                began = time.perf_counter()
+                depth = {s: 0}
+                queue = collections.deque([s])
+                while queue:
+                    v = queue.popleft()
+                    for w in out[v]:
+                        if w not in depth:
+                            depth[w] = depth[v] + 1
+                            queue.append(w)
+                runs.append((time.perf_counter() - began) * 1e6)
+            assert (depth.get(t, -1), len(depth)) == found[(s, t)], (s, t)
+            times['python'].append(statistics.median(runs))
+            print(json.dumps({'system': 'python', 'from': s, 'to': t, 'us': round(statistics.median(runs), 1)}), flush=True)
+        subprocess.run([str(aup), 'build', str(HERE / 'graph.aup'), '-o', str(work / 'graph.pmod')], check=True)
+        host = subprocess.Popen(['taskset', '-c', '0-2', str(serve), '--module', str(work / 'graph.pmod'), '--store',
+                                 str(work / 'store'), '--port', '0'], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+        port = json.loads(host.stdout.readline())['port']
+        connection = http.client.HTTPConnection('127.0.0.1', port, timeout=600)
+
+        def request(method, path, body=b''):
+            connection.request(method, path, body, {'Content-Length': str(len(body))})
+            answer = connection.getresponse()
+            data = answer.read()
+            assert answer.status == 200, (path, answer.status, answer.getheader('X-Pure-Error'), data[:200])
+            return data
+
+        request('POST', f'/inputs/size?nodes={nodes}')
+        for k in range(0, len(edges), 80000):
+            request('POST', '/inputs/load', b''.join(struct.pack('<dd', a * 1048576 + b, b) for a, b in edges[k:k + 80000]))
+        for s, t in queries:
+            runs = []
+            for _ in range(rounds):
+                began = time.perf_counter()
+                request('POST', f'/inputs/route?from={s}&to={t}')
+                runs.append((time.perf_counter() - began) * 1e6)
+            got = (int(request('GET', '/views/far')), int(request('GET', '/views/found')))
+            assert got == found[(s, t)], (s, t, got, found[(s, t)])
+            times['pure'].append(statistics.median(runs))
+            print(json.dumps({'system': 'pure', 'from': s, 'to': t, 'hops': got[0], 'reached': got[1],
+                              'us': round(statistics.median(runs), 1)}), flush=True)
+        host.terminate()
+        host.communicate(timeout=60)
+        medians = {k: round(statistics.median(v), 1) for k, v in times.items()}
+        print(json.dumps({'nodes': nodes, 'edges': len(edges), 'median_us': medians,
+                          'pure_over_c': round(medians['pure'] / medians['c'], 1),
+                          'pure_over_python': round(medians['pure'] / medians['python'], 2)}), flush=True)
+    finally:
+        shutil.rmtree(work)
+
+
+if __name__ == '__main__':
+    main()
diff --git a/research/experiments/033-computing/graph.aup b/research/experiments/033-computing/graph.aup
new file mode 100644
index 0000000..a19d96d
--- /dev/null
+++ b/research/experiments/033-computing/graph.aup
@@ -0,0 +1,56 @@
+# The graph of research 118 (docs/design/018 stage 2): edges keyed by
+# from * 1048576 + to, loaded in bulk as rows; a breadth first search in
+# one event, its queue and what it has seen the event's own lists.
+record Edge {
+  link = 0
+  to = 0
+}
+record Seen {
+  node = 0
+  depth = 0
+}
+record Step {
+  node = 0
+}
+state edges: list of Edge by link
+state nodes = 0
+state hops = -1
+state reached = 0
+input size = message {
+  nodes: u32
+}
+input load = message {
+  rows: list of Edge
+}
+input route = message {
+  from: u32
+  to: u32
+}
+on size {
+  nodes = size.nodes
+}
+on load {
+  for r in load.rows {
+    edges.add(Edge { ..r })
+  }
+}
+on route {
+  let seen: list of Seen by node
+  let queue: list of Step
+  queue.append(Step { node: route.from })
+  seen.add(Seen { node: route.from })
+  for i in 0 .. nodes {
+    if i >= queue.count { break }
+    let q = queue.first + i
+    for e in edges[q.node * 1048576 .. q.node * 1048576 + 1048576] {
+      if !seen.has(e.to) {
+        seen.add(Seen { node: e.to, depth: seen[q.node].depth + 1 })
+        queue.append(Step { node: e.to })
+      }
+    }
+  }
+  hops = if seen.has(route.to) { seen[route.to].depth } else { -1 }
+  reached = seen.count
+}
+view far = hops
+view found = reached
diff --git a/research/experiments/033-computing/pairs.py b/research/experiments/033-computing/pairs.py
new file mode 100644
index 0000000..edadcec
--- /dev/null
+++ b/research/experiments/033-computing/pairs.py
@@ -0,0 +1,45 @@
+#!/usr/bin/env python3
+"""The pairs of runs.sh pairs as a table (research 118): each round's TPC-C
+(transactions a second, CPU a transaction, the owner's core share) before
+and after, the medians and the bank queries' median times.
+
+pairs.py DATE   from DATE-tpcc-*.jsonl and DATE-queries-*.jsonl beside it
+"""
+import json
+import statistics
+import sys
+from pathlib import Path
+
+HERE = Path(__file__).resolve().parent
+day = sys.argv[1]
+
+
+def tpcc(version, round_):
+    for line in (HERE / f'{day}-tpcc-{version}-{round_}.jsonl').read_text().splitlines():
+        r = json.loads(line)
+        if r.get('step') == 'run' and r.get('system') == 'pure':
+            owner = max((share for name, share in r['core_shares'].items() if 'owner' in name), default=None) \
+                if isinstance(r['core_shares'], dict) else None
+            return r['transactions_per_second'], r['cpu_us_per_transaction'], owner
+
+
+def queries(version, round_):
+    return {r['query']: r['pure_median_ms'] for r in map(json.loads, (HERE / f'{day}-queries-{version}-{round_}.jsonl')
+                                                        .read_text().splitlines()) if 'query' in r}
+
+
+rounds = sorted({int(p.stem.rsplit('-', 1)[1]) for p in HERE.glob(f'{day}-tpcc-before-*.jsonl')})
+rows = {'before': [], 'after': []}
+for round_ in rounds:
+    b, a = tpcc('before', round_), tpcc('after', round_)
+    rows['before'].append(b), rows['after'].append(a)
+    print(json.dumps({'round': round_, 'tps': [b[0], a[0]], 'change': round((a[0] / b[0] - 1) * 100, 1),
+                      'cpu_us': [b[1], a[1]], 'owner_share': [b[2], a[2]]}))
+med = {v: statistics.median(t for t, _, _ in rows[v]) for v in rows}
+cpu = {v: statistics.median(c for _, c, _ in rows[v]) for v in rows}
+names = queries('before', rounds[0]).keys()
+q = {v: {n: statistics.median(queries(v, r)[n] for r in rounds) for n in names} for v in rows}
+print(json.dumps({'tps_median': [med['before'], med['after']], 'change': round((med['after'] / med['before'] - 1) * 100, 1),
+                  'cpu_us_median': [cpu['before'], cpu['after']],
+                  'queries_median_ms': {n: [q['before'][n], q['after'][n],
+                                            round((q['after'][n] / q['before'][n] - 1) * 100, 1)] for n in names}}))
diff --git a/research/experiments/033-computing/record.py b/research/experiments/033-computing/record.py
new file mode 100755
index 0000000..7450fa6
--- /dev/null
+++ b/research/experiments/033-computing/record.py
@@ -0,0 +1,30 @@
+#!/usr/bin/env python3
+"""The pure-runs of aup's checks of docs/design/018 (transients and
+computing: the examples routes.aup and numbers.aup against their models),
+each recorded by 029's recorded-pure-run, so two machines' records compare
+run by run (029's compare.py).
+
+record.py AUP_ROOT PURE_ROOT OUT.jsonl   the checks' report on stdout"""
+import importlib.util
+import json
+import os
+import subprocess
+import sys
+import tempfile
+from pathlib import Path
+
+aup_root, pure_root, out = (Path(a).resolve() for a in sys.argv[1:4])
+subprocess.run(['make', '-s', '-C', str(pure_root), 'build/pure-run'], check=True)
+subprocess.run(['make', '-s', '-C', str(aup_root), 'build/aup'], check=True)
+out.unlink(missing_ok=True)
+os.environ['PURE_RUN'] = str(pure_root / 'build' / 'pure-run')
+os.environ['PURE_RUN_LOG'] = str(out)
+recorded = pure_root / 'research' / 'experiments' / '029-across-machines' / 'recorded-pure-run'
+spec = importlib.util.spec_from_file_location('check', aup_root / 'tests' / 'check.py')
+check = importlib.util.module_from_spec(spec)
+spec.loader.exec_module(check)
+with tempfile.TemporaryDirectory(prefix='aup-check-') as directory:
+    work = Path(directory)
+    report = {'transients': check.transients(aup_root / 'build' / 'aup', recorded, work),
+              'computing': check.computing(aup_root / 'build' / 'aup', recorded, work)}
+print(json.dumps(report))
diff --git a/research/experiments/033-computing/runs.sh b/research/experiments/033-computing/runs.sh
new file mode 100755
index 0000000..ead9848
--- /dev/null
+++ b/research/experiments/033-computing/runs.sh
@@ -0,0 +1,48 @@
+#!/bin/sh
+# The runs of research 118 (docs/design/018's stage 2), from the repository's
+# root, in steps, each under research/guard.py:
+#   runs.sh build NAME COMMIT   pure-serve of COMMIT, with its pure-crypto.so,
+#                               in ~/.cache/pure-033/NAME
+#   runs.sh pairs FIRST LAST    a host of one app, the builds before (850f783,
+#                               stage 2's criteria's parent) and after in
+#                               turns, as 026 ran them: TPC-C in RAM (W=1,
+#                               64 terminals, 20 s) and the bank's queries
+#   runs.sh counts              the bank queries' instructions before and
+#                               after (025's count.py)
+#   runs.sh bfs NODES EDGES SEARCHES ROUNDS   bfs.py on the after build
+set -e
+out=research/experiments/033-computing
+builds=$HOME/.cache/pure-033
+day=$(date +%F)
+case "$1" in
+build)
+    rm -rf "$builds/src-$2"
+    git worktree add -f -q --detach "$builds/src-$2" "$3"
+    make -s -C "$builds/src-$2" build/pure-serve build/pure-crypto.so
+    mkdir -p "$builds/$2"
+    cp "$builds/src-$2/build/pure-serve" "$builds/src-$2/build/pure-crypto.so" "$builds/$2/"
+    git worktree remove --force "$builds/src-$2" ;;
+pairs)
+    for round in $(seq "$2" "$3"); do
+        first=before second=after
+        if [ $((round % 2)) = 0 ]; then first=after second=before; fi
+        for version in $first $second; do
+            until awk '{ exit !($1 < 1.5) }' /proc/loadavg; do sleep 10; done
+            echo "$round $version $(uptime)" >> "$out/$day-load.txt"
+            python3 research/guard.py -- python3 benchmarks/tpcc/run.py --serve "$builds/$version/pure-serve" --warehouses 1 \
+                --check 0 --terminals 64 --sqlite-threads '' --sqlite-group '' --seconds 20 \
+                > "$out/$day-tpcc-$version-$round.jsonl"
+            python3 research/guard.py -- python3 benchmarks/bank/queries.py --serve "$builds/$version/pure-serve" \
+                > "$out/$day-queries-$version-$round.jsonl"
+        done
+    done ;;
+counts)
+    python3 research/guard.py -- python3 research/experiments/025-i64-cost/count.py "$builds/before/pure-serve" \
+        "$builds/after/pure-serve" "$builds/before/pure-serve" "$builds/after/pure-serve" > "$out/$day-counts.jsonl" ;;
+bfs)
+    until awk '{ exit !($1 < 1.5) }' /proc/loadavg; do sleep 10; done
+    python3 research/guard.py --most 2048 -- python3 $out/bfs.py "$builds/after/pure-serve" ../aup/build/aup "$2" "$3" "$4" "$5" \
+        > "$out/$day-bfs-$2-$3.jsonl" ;;
+*) echo "runs.sh build NAME COMMIT | pairs FIRST LAST | counts | bfs NODES EDGES SEARCHES ROUNDS" >&2
+    exit 2 ;;
+esac