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Merged
merged 1 commit into from
Nov 27, 2025
Merged

Use logical config for hydra-node keypath arguments instead of filepa… #2358

merged 1 commit into from
Nov 27, 2025
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@locallycompact locallycompact commented Nov 17, 2025

…ths directly.

This makes it easier to reuse downstream in other demo projects.

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Transaction costs

Sizes and execution budgets for Hydra protocol transactions. Note that unlisted parameters are currently using arbitrary values and results are not fully deterministic and comparable to previous runs.

Metadata
Generated at 2025-11-27 16:45:09.533826749 UTC
Max. memory units 14000000
Max. CPU units 10000000000
Max. tx size (kB) 16384

Script summary

Name Hash Size (Bytes)
νInitial c8a101a5c8ac4816b0dceb59ce31fc2258e387de828f02961d2f2045 2652
νCommit 61458bc2f297fff3cc5df6ac7ab57cefd87763b0b7bd722146a1035c 685
νHead a1442faf26d4ec409e2f62a685c1d4893f8d6bcbaf7bcb59d6fa1340 14599
μHead fd173b993e12103cd734ca6710d364e17120a5eb37a224c64ab2b188* 5284
νDeposit ae01dade3a9c346d5c93ae3ce339412b90a0b8f83f94ec6baa24e30c 1102
  • The minting policy hash is only usable for comparison. As the script is parameterized, the actual script is unique per head.

Init transaction costs

Parties Tx size % max Mem % max CPU Min fee ₳
1 5837 10.19 3.22 0.51
2 6038 12.63 4.00 0.55
3 6242 14.31 4.52 0.57
5 6641 18.41 5.80 0.63
10 7644 29.00 9.14 0.79
43 14281 98.85 30.89 1.80

Commit transaction costs

This uses ada-only outputs for better comparability.

UTxO Tx size % max Mem % max CPU Min fee ₳
1 561 2.44 1.16 0.20
2 743 3.38 1.73 0.22
3 920 4.36 2.33 0.24
5 1283 6.41 3.60 0.28
10 2179 12.13 7.25 0.40
54 10064 98.61 68.52 1.88

CollectCom transaction costs

Parties UTxO (bytes) Tx size % max Mem % max CPU Min fee ₳
1 57 529 25.24 7.32 0.43
2 114 636 33.18 9.60 0.52
3 168 746 41.11 11.90 0.60
4 226 858 54.20 15.48 0.74
5 285 969 56.17 16.32 0.76
6 337 1081 67.89 19.49 0.89
7 394 1196 82.62 23.45 1.04
8 450 1303 85.38 24.47 1.07

Cost of Increment Transaction

Parties Tx size % max Mem % max CPU Min fee ₳
1 1793 24.00 7.62 0.48
2 1970 26.43 8.97 0.52
3 2074 27.02 9.79 0.53
5 2415 31.37 12.33 0.60
10 3058 38.70 17.73 0.73
39 7659 98.79 53.79 1.67

Cost of Decrement Transaction

Parties Tx size % max Mem % max CPU Min fee ₳
1 649 22.81 7.37 0.42
2 743 23.54 8.22 0.43
3 898 25.72 9.52 0.47
5 1115 27.05 11.20 0.50
10 1928 38.42 17.71 0.67
42 6722 98.79 55.81 1.65

Close transaction costs

Parties Tx size % max Mem % max CPU Min fee ₳
1 674 27.50 8.46 0.46
2 774 30.94 10.07 0.51
3 906 30.26 10.55 0.51
5 1243 37.10 13.80 0.60
10 1955 46.42 19.75 0.75
37 6089 99.66 52.79 1.60

Contest transaction costs

Parties Tx size % max Mem % max CPU Min fee ₳
1 629 33.15 9.95 0.52
2 825 35.81 11.37 0.56
3 900 37.13 12.38 0.58
5 1255 42.53 15.25 0.66
10 2078 54.62 21.99 0.84
30 4980 99.95 47.90 1.52

Abort transaction costs

There is some variation due to the random mixture of initial and already committed outputs.

Parties Tx size % max Mem % max CPU Min fee ₳
1 5787 27.13 9.10 0.69
2 6054 36.73 12.40 0.80
3 6175 47.02 15.88 0.92
4 6258 52.28 17.67 0.98
5 6366 63.83 21.53 1.10
6 6607 73.98 24.96 1.22
7 6703 82.48 27.76 1.31
8 6960 91.66 30.97 1.42

FanOut transaction costs

Involves spending head output and burning head tokens. Uses ada-only UTXO for better comparability.

Parties UTxO UTxO (bytes) Tx size % max Mem % max CPU Min fee ₳
10 0 0 5834 19.19 6.41 0.61
10 5 285 6004 29.35 10.43 0.73
10 10 569 6173 39.95 14.60 0.85
10 30 1709 6855 80.92 30.76 1.33
10 39 2222 7162 98.05 37.58 1.53

End-to-end benchmark results

This page is intended to collect the latest end-to-end benchmark results produced by Hydra's continuous integration (CI) system from the latest master code.

Please note that these results are approximate as they are currently produced from limited cloud VMs and not controlled hardware. Rather than focusing on the absolute results, the emphasis should be on relative results, such as how the timings for a scenario evolve as the code changes.

Generated at 2025-11-27 16:48:12.235639339 UTC

Baseline Scenario

Number of nodes 1
Number of txs 300
Avg. Confirmation Time (ms) 7.285094416
P99 13.691930989999838ms
P95 6.978026050000001ms
P50 5.215388ms
Number of Invalid txs 0

Memory data

Time Used Free
2025-11-27 16:46:43.777331426 UTC 1360M 2610M
2025-11-27 16:46:44.777296914 UTC 1341M 2628M
2025-11-27 16:46:45.777312321 UTC 1366M 2603M
2025-11-27 16:46:46.777316889 UTC 1398M 2571M
2025-11-27 16:46:47.777293976 UTC 1416M 2553M
2025-11-27 16:46:48.777320055 UTC 1442M 2499M
2025-11-27 16:46:49.777389251 UTC 1465M 2474M
2025-11-27 16:46:50.777313575 UTC 1456M 2482M
2025-11-27 16:46:51.777327716 UTC 1464M 2469M
2025-11-27 16:46:52.777312197 UTC 1464M 2469M
2025-11-27 16:46:53.777309169 UTC 1464M 2469M
2025-11-27 16:46:54.777350791 UTC 1464M 2469M
2025-11-27 16:46:55.777328763 UTC 1464M 2469M
2025-11-27 16:46:56.777353543 UTC 1464M 2468M
2025-11-27 16:46:57.777302114 UTC 1464M 2468M
2025-11-27 16:46:58.777325242 UTC 1464M 2468M
2025-11-27 16:46:59.777306739 UTC 1464M 2468M
2025-11-27 16:47:00.77728742 UTC 1464M 2468M
2025-11-27 16:47:01.777312941 UTC 1464M 2468M
2025-11-27 16:47:02.777284785 UTC 1465M 2467M
2025-11-27 16:47:03.777365697 UTC 1465M 2467M
2025-11-27 16:47:04.77731086 UTC 1466M 2466M
2025-11-27 16:47:05.777320828 UTC 1467M 2465M
2025-11-27 16:47:06.777310222 UTC 1467M 2465M
2025-11-27 16:47:07.77730897 UTC 1467M 2465M
2025-11-27 16:47:08.777318012 UTC 1467M 2465M
2025-11-27 16:47:09.77731052 UTC 1469M 2463M
2025-11-27 16:47:10.777306763 UTC 1469M 2462M
2025-11-27 16:47:11.777364701 UTC 1470M 2462M
2025-11-27 16:47:12.777331188 UTC 1470M 2462M

Three local nodes

Number of nodes 3
Number of txs 900
Avg. Confirmation Time (ms) 33.644542721
P99 50.6680813ms
P95 43.58550414999999ms
P50 32.6022875ms
Number of Invalid txs 0

Memory data

Time Used Free
2025-11-27 16:47:24.610110158 UTC 1375M 2595M
2025-11-27 16:47:25.610115792 UTC 1375M 2595M
2025-11-27 16:47:26.610032253 UTC 1380M 2590M
2025-11-27 16:47:27.610104547 UTC 1380M 2589M
2025-11-27 16:47:28.610128894 UTC 1381M 2588M
2025-11-27 16:47:29.610000222 UTC 1381M 2588M
2025-11-27 16:47:30.610002199 UTC 1382M 2587M
2025-11-27 16:47:31.610010616 UTC 1438M 2502M
2025-11-27 16:47:32.610558413 UTC 1506M 2406M
2025-11-27 16:47:33.610347093 UTC 1573M 2311M
2025-11-27 16:47:34.610003058 UTC 1620M 2263M
2025-11-27 16:47:35.610779847 UTC 1636M 2247M
2025-11-27 16:47:36.610380905 UTC 1650M 2225M
2025-11-27 16:47:37.611631936 UTC 1677M 2188M
2025-11-27 16:47:38.610506284 UTC 1701M 2154M
2025-11-27 16:47:39.611794171 UTC 1706M 2138M
2025-11-27 16:47:40.611160961 UTC 1711M 2124M
2025-11-27 16:47:41.610493761 UTC 1715M 2109M
2025-11-27 16:47:42.610603474 UTC 1738M 2075M
2025-11-27 16:47:43.610939941 UTC 1758M 2045M
2025-11-27 16:47:44.611648518 UTC 1761M 2031M
2025-11-27 16:47:45.610461202 UTC 1777M 2005M
2025-11-27 16:47:46.610336148 UTC 1797M 1981M
2025-11-27 16:47:47.612240196 UTC 1797M 1980M
2025-11-27 16:47:48.610214716 UTC 1797M 1980M
2025-11-27 16:47:49.610007069 UTC 1798M 1979M
2025-11-27 16:47:50.610113911 UTC 1800M 1976M
2025-11-27 16:47:51.610114161 UTC 1801M 1975M
2025-11-27 16:47:52.61009499 UTC 1801M 1975M
2025-11-27 16:47:53.610230785 UTC 1801M 1975M
2025-11-27 16:47:54.610010256 UTC 1800M 1975M
2025-11-27 16:47:55.610144799 UTC 1801M 1974M
2025-11-27 16:47:56.610398302 UTC 1803M 1972M
2025-11-27 16:47:57.610407472 UTC 1803M 1972M
2025-11-27 16:47:58.60999055 UTC 1804M 1971M
2025-11-27 16:47:59.610197479 UTC 1804M 1971M
2025-11-27 16:48:00.610227782 UTC 1806M 1969M
2025-11-27 16:48:01.610016932 UTC 1807M 1968M
2025-11-27 16:48:02.610100635 UTC 1806M 1968M
2025-11-27 16:48:03.610773957 UTC 1806M 1968M
2025-11-27 16:48:04.610197502 UTC 1806M 1968M
2025-11-27 16:48:05.61000834 UTC 1809M 1965M
2025-11-27 16:48:06.610004414 UTC 1811M 1962M
2025-11-27 16:48:07.610215638 UTC 1811M 1962M
2025-11-27 16:48:08.60999758 UTC 1811M 1962M
2025-11-27 16:48:09.610005801 UTC 1813M 1960M
2025-11-27 16:48:10.610007338 UTC 1813M 1960M
2025-11-27 16:48:11.610014639 UTC 1813M 1960M

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github-actions bot commented Nov 17, 2025

Transaction cost differences

No cost or size differences found

noonio
noonio approved these changes Nov 26, 2025
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Seems like a nice and simple improvement; thanks!

@noonio noonio enabled auto-merge November 27, 2025 10:32
@locallycompact
Use logical config for hydra-node keypath arguments instead of filepa…
b8c849b 
…ths directly.

This makes it easier to reuse downstream in other demo projects.
@noonio noonio merged commit 256a78e into master Nov 27, 2025
22 checks passed
@noonio noonio deleted the lc/nix-fixtures branch November 27, 2025 16:55
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@v0d1ch v0d1ch v0d1ch approved these changes

@noonio noonio noonio approved these changes

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@locallycompact locallycompact

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