igneum/sim/horizon/network/results.md

propagation.py results, 2026-10-06T20:06:05Z, Mac, under with-lock run, seed 7

A. Run A replay: star, 41 miners through one hub, measured per-minute production, join spread 360 s

star bps=10.0 k=124 nodes=41 degree=8 link=40.0 hop=0.0 hub=(6.0,2.0) join=360.0 seconds=1500.0 seed=7 produced 14013 (9.34/s) merged 14011 red share 0.0% chain 3834 mergeset mean 3.7 max 15 tips 4.3 reorg max 3 p99 2 hub wait 0.00s util 0.14 d90 0.32s star bps=10.0 k=124 nodes=41 degree=8 link=40.0 hop=0.0 hub=(0.0,0.0) join=360.0 seconds=1500.0 seed=7 produced 13812 (9.21/s) merged 13811 red share 0.0% chain 3901 mergeset mean 3.5 max 14 tips 4.1 reorg max 4 p99 2 hub wait 0.00s util 0.00 d90 0.31s star bps=10.0 k=124 nodes=41 degree=8 link=40.0 hop=0.0 hub=(6.0,2.0) join=0.0 seconds=1500.0 seed=7 produced 13833 (9.22/s) merged 13833 red share 0.0% chain 3737 mergeset mean 3.7 max 19 tips 4.5 reorg max 3 p99 2 hub wait 0.01s util 0.14 d90 0.33s

B. Star against mesh at 10 bps, constant rate, 600 s, link 40 ms

star bps=10.0 k=124 nodes=41 degree=8 link=40.0 hop=0.0 hub=(0.0,0.0) join=0.0 seconds=600.0 seed=7 produced 5906 (9.84/s) merged 5901 red share 0.0% chain 1802 mergeset mean 3.3 max 9 tips 3.3 reorg max 3 p99 2 hub wait 0.00s util 0.00 d90 0.30s star bps=10.0 k=124 nodes=41 degree=8 link=40.0 hop=0.0 hub=(6.0,2.0) join=0.0 seconds=600.0 seed=7 produced 5973 (9.96/s) merged 5970 red share 0.0% chain 1741 mergeset mean 3.4 max 12 tips 3.5 reorg max 3 p99 2 hub wait 0.00s util 0.13 d90 0.32s mesh bps=10.0 k=124 nodes=42 degree=8 link=40.0 hop=0.0 hub=(0.0,0.0) join=0.0 seconds=600.0 seed=7 produced 6038 (10.06/s) merged 6034 red share 0.0% chain 2298 mergeset mean 2.6 max 9 tips 2.6 reorg max 2 p99 2 hub wait 0.00s util 0.00 d90 0.24s mesh bps=10.0 k=124 nodes=42 degree=4 link=40.0 hop=0.0 hub=(0.0,0.0) join=0.0 seconds=600.0 seed=7 produced 6003 (10.01/s) merged 6001 red share 0.0% chain 2048 mergeset mean 2.9 max 9 tips 2.9 reorg max 2 p99 2 hub wait 0.00s util 0.00 d90 0.32s mesh bps=10.0 k=124 nodes=42 degree=8 link=150.0 hop=0.0 hub=(0.0,0.0) join=0.0 seconds=600.0 seed=7 produced 6090 (10.15/s) merged 6085 red share 0.0% chain 1066 mergeset mean 5.7 max 15 tips 5.3 reorg max 4 p99 3 hub wait 0.00s util 0.00 d90 0.84s

C. Star at 10 bps with a genesis burst (26 blocks/s for 5 min) and the measured hub cost

star bps=10.0 k=124 nodes=41 degree=8 link=40.0 hop=0.0 hub=(6.0,2.0) join=0.0 seconds=600.0 seed=7 produced 10840 (18.07/s) merged 10836 red share 0.0% chain 1995 mergeset mean 5.4 max 17 tips 5.9 reorg max 3 p99 2 hub wait 0.01s util 0.33 d90 0.33s mesh bps=10.0 k=124 nodes=42 degree=8 link=40.0 hop=0.0 hub=(0.0,0.0) join=0.0 seconds=600.0 seed=7 produced 10727 (17.88/s) merged 10724 red share 0.0% chain 2824 mergeset mean 3.8 max 11 tips 3.9 reorg max 3 p99 2 hub wait 0.00s util 0.00 d90 0.24s

D. The grid: mesh of degree 8, 42 nodes, ideal links, hop delay median 50 to 1,000 ms

bps	k	hop delay median ms	red share	mergeset mean / max	tips mean	reorg max / p99 (miner 0)	delay to 90% of nodes s	blocks/s
1	18	50	0.0%	1.1 / 2	1.1	1 / 1	0.09	1.0
1	18	100	0.0%	1.2 / 3	1.2	1 / 1	0.18	1.0
1	18	300	0.0%	1.4 / 5	1.4	1 / 1	0.55	1.0
1	18	1000	0.0%	2.3 / 7	2.4	2 / 2	1.82	1.0
10	124	50	0.0%	1.7 / 6	1.7	2 / 1	0.09	10.0
10	124	100	0.0%	2.3 / 7	2.3	2 / 2	0.18	10.1
10	124	300	0.0%	4.2 / 12	4.1	3 / 2	0.55	9.7
10	124	1000	0.0%	9.2 / 22	8.1	4 / 3	1.82	9.9
32	362	50	0.0%	2.9 / 9	2.9	3 / 2	0.09	32.1
32	362	100	0.0%	4.4 / 14	4.3	3 / 2	0.18	31.7
32	362	300	0.0%	9.2 / 26	8.0	5 / 3	0.55	32.1
32	362	1000	0.0%	18.8 / 42	14.4	6 / 5	1.82	31.6
100	1074	50	0.0%	6.0 / 17	5.6	4 / 3	0.09	100.4
100	1074	100	0.0%	9.4 / 22	8.2	4 / 3	0.18	99.1
100	1074	300	0.0%	18.5 / 40	14.2	6 / 5	0.55	101.4
100	1074	1000	0.0%	31.1 / 104	25.3	8 / 8	1.82	100.5
DONE 20:08:58