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fix: check first offset in readVariableOffsetsArrayComposite - #543

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wemeetagain merged 1 commit into
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te/fix_readVariableOffsetsArrayComposite
Aug 17, 2026
Merged

fix: check first offset in readVariableOffsetsArrayComposite#543
wemeetagain merged 1 commit into
masterfrom
te/fix_readVariableOffsetsArrayComposite

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@twoeths

@twoeths twoeths commented Aug 14, 2026

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Motivation

  • we don't want to allocate too much memory if someone feed an invalid first offset in array composite ssz bytes

Description

  • bound check it against the size for 1st offset
  • we already check it from the 2nd offset

@twoeths
twoeths requested a review from a team as a code owner August 14, 2026 10:55
@github-actions github-actions Bot added the ssz label Aug 14, 2026
@twoeths
twoeths force-pushed the te/fix_readVariableOffsetsArrayComposite branch from a853019 to 134dcba Compare August 14, 2026 10:56
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Performance Report

🚀🚀 Significant benchmark improvement detected

Benchmark suite Current: 96060f1 Previous: a2d3d65 Ratio
hash 200092 times using batchHash4HashObjectInputs 47.405 ms/op 147.43 ms/op 0.32
batch hash 16 x 64 Uint8Array 31250 times - as-sha256 116.46 ms/op 381.48 ms/op 0.31
cachePermanentRootStruct with cache 90.000 ns/op 452.00 ns/op 0.20
Container {a,b,vec} - as tree x100000 372.15 us/op 1.2152 ms/op 0.31
Container {a,vec,b} - as tree x100000 384.05 us/op 1.2145 ms/op 0.32
UintBigint16 x 100000 serialize 915.71 us/op 3.1908 ms/op 0.29
Full benchmark results
Benchmark suite Current: 96060f1 Previous: a2d3d65 Ratio
digestTwoHashObjects 50023 times 22.680 ms/op 38.571 ms/op 0.59
digest2Bytes32 50023 times 25.180 ms/op 42.428 ms/op 0.59
digest 50023 times 24.640 ms/op 41.750 ms/op 0.59
input length 32 526.00 ns/op 919.00 ns/op 0.57
input length 64 615.00 ns/op 1.0420 us/op 0.59
input length 128 1.0880 us/op 1.7750 us/op 0.61
input length 256 1.6310 us/op 2.6250 us/op 0.62
input length 512 2.8660 us/op 4.3670 us/op 0.66
input length 1024 5.1480 us/op 8.4410 us/op 0.61
digest 1000000 times 398.06 ms/op 648.81 ms/op 0.61
hashObjectToByteArray 50023 times 677.05 us/op 980.66 us/op 0.69
byteArrayToHashObject 50023 times 860.11 us/op 1.0874 ms/op 0.79
digest64 200092 times 103.92 ms/op 166.05 ms/op 0.63
hash 200092 times using batchHash4UintArray64s 60.441 ms/op 174.57 ms/op 0.35
digest64HashObjects 200092 times 90.718 ms/op 155.13 ms/op 0.58
hash 200092 times using batchHash4HashObjectInputs 47.405 ms/op 147.43 ms/op 0.32
getGindicesAtDepth 1.9860 us/op 3.1580 us/op 0.63
iterateAtDepth 3.6160 us/op 5.8970 us/op 0.61
getGindexBits 199.00 ns/op 354.00 ns/op 0.56
gindexIterator 503.00 ns/op 779.00 ns/op 0.65
HashComputationLevel.push then loop 25.143 ms/op 27.736 ms/op 0.91
HashComputation[] push then loop 47.817 ms/op 41.548 ms/op 1.15
hash 2 32 bytes Uint8Array 500000 times - hashtree 89.302 ms/op 146.18 ms/op 0.61
batch hash 16 x 64 Uint8Array 31250 times - hashtree 26.204 ms/op 24.648 ms/op 1.06
hashTwoObjects 500000 times - hashtree 105.61 ms/op 167.32 ms/op 0.63
executeHashComputations - hashtree 6.3972 ms/op 8.4536 ms/op 0.76
hash 2 32 bytes Uint8Array 500000 times - as-sha256 237.98 ms/op 393.51 ms/op 0.60
batch hash 16 x 64 Uint8Array 31250 times - as-sha256 116.46 ms/op 381.48 ms/op 0.31
hashTwoObjects 500000 times - as-sha256 236.05 ms/op 405.29 ms/op 0.58
executeHashComputations - as-sha256 11.638 ms/op 32.205 ms/op 0.36
hash 2 32 bytes Uint8Array 500000 times - noble 723.03 ms/op 1.0548 s/op 0.69
batch hash 16 x 64 Uint8Array 31250 times - noble 726.66 ms/op 1.0283 s/op 0.71
hashTwoObjects 500000 times - noble 1.3396 s/op 1.6681 s/op 0.80
executeHashComputations - noble 18.548 ms/op 31.309 ms/op 0.59
getHashComputations 1.4478 ms/op 2.2850 ms/op 0.63
executeHashComputations 6.9306 ms/op 7.7961 ms/op 0.89
get root 8.2373 ms/op 13.819 ms/op 0.60
getNodeH() x7812.5 avg hindex 9.8840 us/op 12.670 us/op 0.78
getNodeH() x7812.5 index 0 3.1510 us/op 4.6880 us/op 0.67
getNodeH() x7812.5 index 7 3.1460 us/op 4.6830 us/op 0.67
getNodeH() x7812.5 index 7 with key array 3.1450 us/op 4.6820 us/op 0.67
new LeafNode() x7812.5 163.72 us/op 259.29 us/op 0.63
getHashComputations 250000 nodes 7.4853 ms/op 10.250 ms/op 0.73
batchHash 250000 nodes 50.330 ms/op 66.148 ms/op 0.76
get root 250000 nodes 59.984 ms/op 96.122 ms/op 0.62
getHashComputations 500000 nodes 15.119 ms/op 20.219 ms/op 0.75
batchHash 500000 nodes 125.76 ms/op 155.64 ms/op 0.81
get root 500000 nodes 129.73 ms/op 190.17 ms/op 0.68
getHashComputations 1000000 nodes 28.656 ms/op 40.751 ms/op 0.70
batchHash 1000000 nodes 227.71 ms/op 264.30 ms/op 0.86
get root 1000000 nodes 236.19 ms/op 380.08 ms/op 0.62
multiproof - depth 15, 1 requested leaves 4.3530 us/op 6.4240 us/op 0.68
tree offset multiproof - depth 15, 1 requested leaves 9.7700 us/op 15.704 us/op 0.62
compact multiproof - depth 15, 1 requested leaves 2.1290 us/op 2.3380 us/op 0.91
multiproof - depth 15, 2 requested leaves 6.6190 us/op 9.5530 us/op 0.69
tree offset multiproof - depth 15, 2 requested leaves 12.020 us/op 18.601 us/op 0.65
compact multiproof - depth 15, 2 requested leaves 2.0880 us/op 2.3600 us/op 0.88
multiproof - depth 15, 3 requested leaves 9.2770 us/op 13.720 us/op 0.68
tree offset multiproof - depth 15, 3 requested leaves 15.508 us/op 24.062 us/op 0.64
compact multiproof - depth 15, 3 requested leaves 2.3520 us/op 2.6610 us/op 0.88
multiproof - depth 15, 4 requested leaves 12.494 us/op 18.338 us/op 0.68
tree offset multiproof - depth 15, 4 requested leaves 19.218 us/op 29.613 us/op 0.65
compact multiproof - depth 15, 4 requested leaves 2.7950 us/op 3.1220 us/op 0.90
packedRootsBytesToLeafNodes bytes 4000 offset 0 3.0590 us/op 4.5910 us/op 0.67
packedRootsBytesToLeafNodes bytes 4000 offset 1 3.0250 us/op 4.6040 us/op 0.66
packedRootsBytesToLeafNodes bytes 4000 offset 2 3.0080 us/op 4.6010 us/op 0.65
packedRootsBytesToLeafNodes bytes 4000 offset 3 3.1040 us/op 4.6010 us/op 0.67
subtreeFillToContents depth 40 count 250000 12.142 ms/op 16.755 ms/op 0.72
setRoot - gindexBitstring 15.140 ms/op 18.953 ms/op 0.80
setRoot - gindex 12.955 ms/op 19.946 ms/op 0.65
getRoot - gindexBitstring 1.3938 ms/op 1.9699 ms/op 0.71
getRoot - gindex 1.7037 ms/op 2.5234 ms/op 0.68
getHashObject then setHashObject 15.527 ms/op 20.097 ms/op 0.77
setNodeWithFn 12.791 ms/op 18.041 ms/op 0.71
getNodeAtDepth depth 0 x100000 155.19 us/op 214.72 us/op 0.72
setNodeAtDepth depth 0 x100000 1.0925 ms/op 1.8373 ms/op 0.59
getNodesAtDepth depth 0 x100000 205.92 us/op 280.56 us/op 0.73
setNodesAtDepth depth 0 x100000 420.01 us/op 691.44 us/op 0.61
getNodeAtDepth depth 1 x100000 215.08 us/op 280.57 us/op 0.77
setNodeAtDepth depth 1 x100000 4.1321 ms/op 6.9002 ms/op 0.60
getNodesAtDepth depth 1 x100000 293.19 us/op 406.22 us/op 0.72
setNodesAtDepth depth 1 x100000 3.7357 ms/op 5.5627 ms/op 0.67
getNodeAtDepth depth 2 x100000 492.65 us/op 622.39 us/op 0.79
setNodeAtDepth depth 2 x100000 7.9939 ms/op 13.706 ms/op 0.58
getNodesAtDepth depth 2 x100000 8.9583 ms/op 18.397 ms/op 0.49
setNodesAtDepth depth 2 x100000 11.955 ms/op 19.683 ms/op 0.61
tree.getNodesAtDepth - gindexes 4.1084 ms/op 10.203 ms/op 0.40
tree.getNodesAtDepth - push all nodes 629.61 us/op 1.0550 ms/op 0.60
tree.getNodesAtDepth - navigation 119.42 us/op 154.35 us/op 0.77
tree.setNodesAtDepth - indexes 384.12 us/op 596.91 us/op 0.64
set at depth 8 402.00 ns/op 656.00 ns/op 0.61
set at depth 16 613.00 ns/op 954.00 ns/op 0.64
set at depth 32 1.0850 us/op 1.5950 us/op 0.68
iterateNodesAtDepth 8 256 8.3870 us/op 12.116 us/op 0.69
getNodesAtDepth 8 256 2.4000 us/op 3.1210 us/op 0.77
iterateNodesAtDepth 16 65536 2.6717 ms/op 3.7546 ms/op 0.71
getNodesAtDepth 16 65536 713.41 us/op 957.17 us/op 0.75
iterateNodesAtDepth 32 250000 10.165 ms/op 14.092 ms/op 0.72
getNodesAtDepth 32 250000 2.7067 ms/op 3.6073 ms/op 0.75
iterateNodesAtDepth 40 250000 10.156 ms/op 14.045 ms/op 0.72
getNodesAtDepth 40 250000 2.6804 ms/op 3.6265 ms/op 0.74
250000 validators root getter 59.882 ms/op 98.683 ms/op 0.61
250000 validators batchHash() 43.845 ms/op 68.863 ms/op 0.64
250000 validators hashComputations 4.8827 ms/op 12.776 ms/op 0.38
bitlist bytes to struct (120,90) 183.00 ns/op 362.00 ns/op 0.51
bitlist bytes to tree (120,90) 1.1620 us/op 1.7520 us/op 0.66
bitlist bytes to struct (2048,2048) 462.00 ns/op 692.00 ns/op 0.67
bitlist bytes to tree (2048,2048) 3.2490 us/op 2.9600 us/op 1.10
ByteListType - deserialize 7.3534 ms/op 6.7969 ms/op 1.08
BasicListType - deserialize 5.6732 ms/op 7.1811 ms/op 0.79
ByteListType - serialize 8.9146 ms/op 7.5392 ms/op 1.18
BasicListType - serialize 9.3323 ms/op 12.589 ms/op 0.74
BasicListType - tree_convertToStruct 14.583 ms/op 21.439 ms/op 0.68
List[uint8, 68719476736] len 300000 ViewDU.getAll() + iterate 2.3326 ms/op 4.2467 ms/op 0.55
List[uint8, 68719476736] len 300000 ViewDU.get(i) 1.9809 ms/op 3.6861 ms/op 0.54
Array.push len 300000 empty Array - number 2.7717 ms/op 4.0894 ms/op 0.68
Array.set len 300000 from new Array - number 764.65 us/op 1.1830 ms/op 0.65
Array.set len 300000 - number 2.8107 ms/op 4.2505 ms/op 0.66
Uint8Array.set len 300000 174.08 us/op 266.78 us/op 0.65
Uint32Array.set len 300000 398.21 us/op 764.95 us/op 0.52
Container({a: uint8, b: uint8}) getViewDU x300000 41.439 ms/op 36.154 ms/op 1.15
ContainerNodeStruct({a: uint8, b: uint8}) getViewDU x300000 7.1006 ms/op 9.1507 ms/op 0.78
List(Container) len 300000 ViewDU.getAllReadonly() + iterate 72.297 ms/op 90.075 ms/op 0.80
List(Container) len 300000 ViewDU.getAllReadonlyValues() + iterate 238.70 ms/op 271.55 ms/op 0.88
List(Container) len 300000 ViewDU.get(i) 8.2100 ms/op 9.1868 ms/op 0.89
List(Container) len 300000 ViewDU.getReadonly(i) 8.1674 ms/op 10.007 ms/op 0.82
List(ContainerNodeStruct) len 300000 ViewDU.getAllReadonly() + iterate 11.680 ms/op 15.168 ms/op 0.77
List(ContainerNodeStruct) len 300000 ViewDU.getAllReadonlyValues() + iterate 2.0476 ms/op 3.9382 ms/op 0.52
List(ContainerNodeStruct) len 300000 ViewDU.get(i) 7.8576 ms/op 7.4088 ms/op 1.06
List(ContainerNodeStruct) len 300000 ViewDU.getReadonly(i) 7.8233 ms/op 7.4852 ms/op 1.05
Array.push len 300000 empty Array - object 2.8721 ms/op 4.2544 ms/op 0.68
Array.set len 300000 from new Array - object 777.88 us/op 1.2357 ms/op 0.63
Array.set len 300000 - object 2.9907 ms/op 4.3160 ms/op 0.69
cachePermanentRootStruct no cache 1.5790 us/op 2.6030 us/op 0.61
cachePermanentRootStruct with cache 90.000 ns/op 452.00 ns/op 0.20
epochParticipation len 250000 rws 7813 1.7213 ms/op 2.5801 ms/op 0.67
Deneb BeaconBlock.hashTreeRoot(), numTransaction=200 2.7434 ms/op 4.1860 ms/op 0.66
BeaconState ViewDU batchHashTreeRoot vc=200000 mod=100000 165.42 ms/op 212.68 ms/op 0.78
BeaconState ViewDU batchHashTreeRoot - commit step vc=200000 mod=100000 149.68 ms/op 167.85 ms/op 0.89
BeaconState ViewDU batchHashTreeRoot - hash step vc=200000 mod=100000 27.005 ms/op 37.827 ms/op 0.71
BeaconState ViewDU hashTreeRoot() vc=200000 mod=100000 418.46 ms/op 647.40 ms/op 0.65
BeaconState ViewDU hashTreeRoot - commit step vc=200000 mod=100000 32.338 ms/op 59.268 ms/op 0.55
BeaconState ViewDU hashTreeRoot - validator tree creation vc=100000 mod=100000 165.85 ms/op 239.83 ms/op 0.69
deserialize Attestation - tree 1.9510 us/op 3.0760 us/op 0.63
deserialize Attestation - struct 1.0580 us/op 1.6260 us/op 0.65
deserialize Attestation - struct (reuse bytes) 742.00 ns/op 1.1530 us/op 0.64
deserialize SignedAggregateAndProof - tree 2.7600 us/op 4.1700 us/op 0.66
deserialize SignedAggregateAndProof - struct 2.0370 us/op 2.7410 us/op 0.74
deserialize SignedAggregateAndProof - struct (reuse bytes) 979.00 ns/op 1.5230 us/op 0.64
deserialize SyncCommitteeMessage - tree 793.00 ns/op 1.1660 us/op 0.68
deserialize SyncCommitteeMessage - struct 715.00 ns/op 985.00 ns/op 0.73
deserialize SyncCommitteeMessage - struct (reuse bytes) 463.00 ns/op 601.00 ns/op 0.77
deserialize SignedContributionAndProof - tree 1.5910 us/op 2.4930 us/op 0.64
deserialize SignedContributionAndProof - struct 1.4800 us/op 2.2570 us/op 0.66
deserialize SignedContributionAndProof - struct (reuse bytes) 584.00 ns/op 992.00 ns/op 0.59
deserialize SignedBeaconBlock - tree 156.20 us/op 270.38 us/op 0.58
deserialize SignedBeaconBlock - struct 81.537 us/op 133.42 us/op 0.61
deserialize SignedBeaconBlock - struct (reuse bytes) 41.609 us/op 64.814 us/op 0.64
BeaconState vc 300000 - deserialize tree 206.61 ms/op 326.98 ms/op 0.63
BeaconState vc 300000 - serialize tree 94.838 ms/op 97.352 ms/op 0.97
BeaconState.historicalRoots vc 300000 - deserialize tree 497.00 ns/op 650.00 ns/op 0.76
BeaconState.historicalRoots vc 300000 - serialize tree 410.00 ns/op 563.00 ns/op 0.73
BeaconState.validators vc 300000 - deserialize tree 174.36 ms/op 295.07 ms/op 0.59
BeaconState.validators vc 300000 - serialize tree 32.789 ms/op 50.379 ms/op 0.65
BeaconState.balances vc 300000 - deserialize tree 5.9508 ms/op 7.9337 ms/op 0.75
BeaconState.balances vc 300000 - serialize tree 4.3701 ms/op 11.101 ms/op 0.39
BeaconState.previousEpochParticipation vc 300000 - deserialize tree 515.14 us/op 682.23 us/op 0.76
BeaconState.previousEpochParticipation vc 300000 - serialize tree 612.24 us/op 599.98 us/op 1.02
BeaconState.currentEpochParticipation vc 300000 - deserialize tree 464.83 us/op 682.53 us/op 0.68
BeaconState.currentEpochParticipation vc 300000 - serialize tree 588.54 us/op 647.88 us/op 0.91
BeaconState.inactivityScores vc 300000 - deserialize tree 5.6586 ms/op 7.9904 ms/op 0.71
BeaconState.inactivityScores vc 300000 - serialize tree 4.1947 ms/op 8.9604 ms/op 0.47
hashTreeRoot Attestation - struct 4.7850 us/op 7.7850 us/op 0.61
hashTreeRoot Attestation - tree 4.5730 us/op 7.1690 us/op 0.64
hashTreeRoot SignedAggregateAndProof - struct 6.9600 us/op 11.219 us/op 0.62
hashTreeRoot SignedAggregateAndProof - tree 6.7950 us/op 10.813 us/op 0.63
hashTreeRoot SyncCommitteeMessage - struct 1.6060 us/op 2.6740 us/op 0.60
hashTreeRoot SyncCommitteeMessage - tree 1.7240 us/op 2.6190 us/op 0.66
hashTreeRoot SignedContributionAndProof - struct 4.2780 us/op 6.7750 us/op 0.63
hashTreeRoot SignedContributionAndProof - tree 4.7130 us/op 7.4250 us/op 0.63
hashTreeRoot SignedBeaconBlock - struct 431.14 us/op 690.65 us/op 0.62
hashTreeRoot SignedBeaconBlock - tree 398.67 us/op 658.53 us/op 0.61
hashTreeRoot Validator - struct 2.5680 us/op 3.4400 us/op 0.75
hashTreeRoot Validator - tree 3.3880 us/op 5.3320 us/op 0.64
BeaconState vc 300000 - hashTreeRoot tree 1.1602 s/op 1.8122 s/op 0.64
BeaconState vc 300000 - batchHashTreeRoot tree 2.7882 s/op 3.4889 s/op 0.80
BeaconState.historicalRoots vc 300000 - hashTreeRoot tree 539.00 ns/op 772.00 ns/op 0.70
BeaconState.validators vc 300000 - hashTreeRoot tree 1.1339 s/op 1.8239 s/op 0.62
BeaconState.balances vc 300000 - hashTreeRoot tree 17.313 ms/op 28.489 ms/op 0.61
BeaconState.previousEpochParticipation vc 300000 - hashTreeRoot tree 2.1904 ms/op 3.4580 ms/op 0.63
BeaconState.currentEpochParticipation vc 300000 - hashTreeRoot tree 2.1641 ms/op 3.4547 ms/op 0.63
BeaconState.inactivityScores vc 300000 - hashTreeRoot tree 17.680 ms/op 28.045 ms/op 0.63
hash64 x18 3.7370 us/op 6.3560 us/op 0.59
hashTwoObjects x18 3.8730 us/op 6.3790 us/op 0.61
hash64 x1740 348.83 us/op 593.79 us/op 0.59
hashTwoObjects x1740 357.49 us/op 592.84 us/op 0.60
hash64 x2700000 552.56 ms/op 941.13 ms/op 0.59
hashTwoObjects x2700000 553.61 ms/op 922.08 ms/op 0.60
get_exitEpoch - ContainerType 91.000 ns/op 174.00 ns/op 0.52
get_exitEpoch - ContainerNodeStructType 92.000 ns/op 178.00 ns/op 0.52
set_exitEpoch - ContainerType 101.00 ns/op 203.00 ns/op 0.50
set_exitEpoch - ContainerNodeStructType 98.000 ns/op 179.00 ns/op 0.55
get_pubkey - ContainerType 587.00 ns/op 842.00 ns/op 0.70
get_pubkey - ContainerNodeStructType 95.000 ns/op 167.00 ns/op 0.57
hashTreeRoot - ContainerType 185.00 ns/op 294.00 ns/op 0.63
hashTreeRoot - ContainerNodeStructType 176.00 ns/op 289.00 ns/op 0.61
createProof - ContainerType 2.1450 us/op 3.0400 us/op 0.71
createProof - ContainerNodeStructType 13.334 us/op 17.780 us/op 0.75
serialize - ContainerType 1.0350 us/op 1.4730 us/op 0.70
serialize - ContainerNodeStructType 620.00 ns/op 1.0100 us/op 0.61
set_exitEpoch_and_hashTreeRoot - ContainerType 1.5130 us/op 2.0830 us/op 0.73
set_exitEpoch_and_hashTreeRoot - ContainerNodeStructType 3.9140 us/op 5.9120 us/op 0.66
doBatchHashTreeRootValidators 2.7150 us/op 3.2000 us/op 0.85
ContainerNodeStructViewDU hashTreeRoot 14.242 us/op 20.935 us/op 0.68
Array - for of 2.5810 us/op 10.668 us/op 0.24
Array - for(;;) 2.1100 us/op 9.3350 us/op 0.23
basicListValue.readonlyValuesArray() 2.0226 ms/op 3.9211 ms/op 0.52
basicListValue.readonlyValuesArray() + loop all 2.8362 ms/op 6.3654 ms/op 0.45
compositeListValue.readonlyValuesArray() 7.2170 ms/op 10.751 ms/op 0.67
compositeListValue.readonlyValuesArray() + loop all 11.054 ms/op 10.763 ms/op 1.03
Number64UintType - get balances list 2.1124 ms/op 2.7800 ms/op 0.76
Number64UintType - set balances list 7.3214 ms/op 10.194 ms/op 0.72
Number64UintType - get and increase 10 then set 23.205 ms/op 30.944 ms/op 0.75
Number64UintType - increase 10 using applyDelta 9.5228 ms/op 16.604 ms/op 0.57
Number64UintType - increase 10 using applyDeltaInBatch 9.4568 ms/op 16.546 ms/op 0.57
tree_newTreeFromUint64Deltas 9.0828 ms/op 13.806 ms/op 0.66
unsafeUint8ArrayToTree 13.756 ms/op 20.486 ms/op 0.67
bitLength(50) 118.00 ns/op 184.00 ns/op 0.64
bitLengthStr(50) 123.00 ns/op 187.00 ns/op 0.66
bitLength(8000) 106.00 ns/op 182.00 ns/op 0.58
bitLengthStr(8000) 141.00 ns/op 232.00 ns/op 0.61
bitLength(250000) 105.00 ns/op 182.00 ns/op 0.58
bitLengthStr(250000) 176.00 ns/op 266.00 ns/op 0.66
merkleize 32 chunks 6.6510 us/op 11.160 us/op 0.60
merkleizeBlocksBytes 32 chunks 2.5480 us/op 2.7240 us/op 0.94
merkleizeBlockArray 32 chunks 3.8660 us/op 5.0060 us/op 0.77
merkleize 128 chunks 26.201 us/op 43.863 us/op 0.60
merkleizeBlocksBytes 128 chunks 7.0600 us/op 6.7490 us/op 1.05
merkleizeBlockArray 128 chunks 12.273 us/op 14.430 us/op 0.85
merkleize 512 chunks 105.45 us/op 175.83 us/op 0.60
merkleizeBlocksBytes 512 chunks 24.942 us/op 21.557 us/op 1.16
merkleizeBlockArray 512 chunks 43.870 us/op 49.774 us/op 0.88
merkleize 1024 chunks 211.79 us/op 356.44 us/op 0.59
merkleizeBlocksBytes 1024 chunks 48.653 us/op 40.871 us/op 1.19
merkleizeBlockArray 1024 chunks 93.259 us/op 96.496 us/op 0.97
floor - Math.floor (53) 0.30057 ns/op 0.35012 ns/op 0.86
floor - << 0 (53) 0.30070 ns/op 0.35011 ns/op 0.86
floor - Math.floor (512) 0.30069 ns/op 0.35012 ns/op 0.86
floor - << 0 (512) 0.30052 ns/op 0.35030 ns/op 0.86
fnIf(0) 1.2011 ns/op 1.5017 ns/op 0.80
fnSwitch(0) 2.1623 ns/op 2.4886 ns/op 0.87
fnObj(0) 0.30050 ns/op 0.35018 ns/op 0.86
fnArr(0) 0.30073 ns/op 0.34998 ns/op 0.86
fnIf(4) 2.1815 ns/op 2.1781 ns/op 1.00
fnSwitch(4) 2.1845 ns/op 2.1765 ns/op 1.00
fnObj(4) 0.34093 ns/op 0.34999 ns/op 0.97
fnArr(4) 0.34049 ns/op 0.35002 ns/op 0.97
fnIf(9) 2.9032 ns/op 3.1111 ns/op 0.93
fnSwitch(9) 2.1847 ns/op 2.1793 ns/op 1.00
fnObj(9) 0.30054 ns/op 0.35012 ns/op 0.86
fnArr(9) 0.30044 ns/op 0.35006 ns/op 0.86
Container {a,b,vec} - as struct x100000 29.920 us/op 34.831 us/op 0.86
Container {a,b,vec} - as tree x100000 372.15 us/op 1.2152 ms/op 0.31
Container {a,vec,b} - as struct x100000 71.671 us/op 77.222 us/op 0.93
Container {a,vec,b} - as tree x100000 384.05 us/op 1.2145 ms/op 0.32
get 2 props x1000000 - rawObject 240.40 us/op 311.26 us/op 0.77
get 2 props x1000000 - proxy 56.921 ms/op 78.955 ms/op 0.72
get 2 props x1000000 - customObj 240.40 us/op 311.33 us/op 0.77
Simple object binary -> struct 238.00 ns/op 445.00 ns/op 0.53
Simple object binary -> tree_backed 540.00 ns/op 954.00 ns/op 0.57
Simple object struct -> tree_backed 961.00 ns/op 1.4960 us/op 0.64
Simple object tree_backed -> struct 784.00 ns/op 1.2570 us/op 0.62
Simple object struct -> binary 448.00 ns/op 772.00 ns/op 0.58
Simple object tree_backed -> binary 747.00 ns/op 1.0470 us/op 0.71
aggregationBits binary -> struct 192.00 ns/op 379.00 ns/op 0.51
aggregationBits binary -> tree_backed 1.3000 us/op 1.8950 us/op 0.69
aggregationBits struct -> tree_backed 1.5230 us/op 2.3990 us/op 0.63
aggregationBits tree_backed -> struct 555.00 ns/op 921.00 ns/op 0.60
aggregationBits struct -> binary 391.00 ns/op 714.00 ns/op 0.55
aggregationBits tree_backed -> binary 462.00 ns/op 741.00 ns/op 0.62
List(uint8) 100000 binary -> struct 473.57 us/op 711.87 us/op 0.67
List(uint8) 100000 binary -> tree_backed 158.00 us/op 229.31 us/op 0.69
List(uint8) 100000 struct -> tree_backed 975.83 us/op 1.4957 ms/op 0.65
List(uint8) 100000 tree_backed -> struct 558.61 us/op 832.45 us/op 0.67
List(uint8) 100000 struct -> binary 908.17 us/op 1.3531 ms/op 0.67
List(uint8) 100000 tree_backed -> binary 148.16 us/op 261.83 us/op 0.57
List(uint64Number) 100000 binary -> struct 798.91 us/op 1.0609 ms/op 0.75
List(uint64Number) 100000 binary -> tree_backed 1.4042 ms/op 1.9409 ms/op 0.72
List(uint64Number) 100000 struct -> tree_backed 2.4108 ms/op 3.6972 ms/op 0.65
List(uint64Number) 100000 tree_backed -> struct 1.5863 ms/op 2.2761 ms/op 0.70
List(uint64Number) 100000 struct -> binary 1.6701 ms/op 2.2608 ms/op 0.74
List(uint64Number) 100000 tree_backed -> binary 1.3557 ms/op 961.71 us/op 1.41
List(Uint64Bigint) 100000 binary -> struct 1.1919 ms/op 1.5911 ms/op 0.75
List(Uint64Bigint) 100000 binary -> tree_backed 1.4372 ms/op 1.9500 ms/op 0.74
List(Uint64Bigint) 100000 struct -> tree_backed 2.3685 ms/op 3.5255 ms/op 0.67
List(Uint64Bigint) 100000 tree_backed -> struct 2.0237 ms/op 3.2551 ms/op 0.62
List(Uint64Bigint) 100000 struct -> binary 1.4310 ms/op 2.0645 ms/op 0.69
List(Uint64Bigint) 100000 tree_backed -> binary 1.3190 ms/op 937.57 us/op 1.41
Vector(Root) 100000 binary -> struct 8.8446 ms/op 11.923 ms/op 0.74
Vector(Root) 100000 binary -> tree_backed 12.893 ms/op 17.559 ms/op 0.73
Vector(Root) 100000 struct -> tree_backed 14.362 ms/op 20.084 ms/op 0.72
Vector(Root) 100000 tree_backed -> struct 16.328 ms/op 15.454 ms/op 1.06
Vector(Root) 100000 struct -> binary 3.5243 ms/op 5.5020 ms/op 0.64
Vector(Root) 100000 tree_backed -> binary 5.2104 ms/op 5.3952 ms/op 0.97
List(Validator) 100000 binary -> struct 46.156 ms/op 67.299 ms/op 0.69
List(Validator) 100000 binary -> tree_backed 157.74 ms/op 197.41 ms/op 0.80
List(Validator) 100000 struct -> tree_backed 166.04 ms/op 224.06 ms/op 0.74
List(Validator) 100000 tree_backed -> struct 88.543 ms/op 145.33 ms/op 0.61
List(Validator) 100000 struct -> binary 25.020 ms/op 42.871 ms/op 0.58
List(Validator) 100000 tree_backed -> binary 33.999 ms/op 77.546 ms/op 0.44
List(Validator-NS) 100000 binary -> struct 44.750 ms/op 66.656 ms/op 0.67
List(Validator-NS) 100000 binary -> tree_backed 55.067 ms/op 100.46 ms/op 0.55
List(Validator-NS) 100000 struct -> tree_backed 82.928 ms/op 126.41 ms/op 0.66
List(Validator-NS) 100000 tree_backed -> struct 82.865 ms/op 90.256 ms/op 0.92
List(Validator-NS) 100000 struct -> binary 8.7201 ms/op 11.233 ms/op 0.78
List(Validator-NS) 100000 tree_backed -> binary 12.122 ms/op 22.403 ms/op 0.54
get epochStatuses - MutableVector 91.190 us/op 126.19 us/op 0.72
get epochStatuses - ViewDU 137.19 us/op 207.20 us/op 0.66
set epochStatuses - ListTreeView 1.4650 ms/op 1.8818 ms/op 0.78
set epochStatuses - ListTreeView - set() 403.96 us/op 495.01 us/op 0.82
set epochStatuses - ListTreeView - commit() 538.45 us/op 802.72 us/op 0.67
bitstring 350.46 ns/op 456.90 ns/op 0.77
bit mask 5.0403 ns/op 7.2173 ns/op 0.70
struct - increase slot to 1000000 274.59 us/op 350.13 us/op 0.78
UintNumberType - increase slot to 1000000 14.745 ms/op 27.131 ms/op 0.54
UintBigintType - increase slot to 1000000 99.250 ms/op 164.44 ms/op 0.60
UintBigint8 x 100000 tree_deserialize 3.6265 ms/op 5.1160 ms/op 0.71
UintBigint8 x 100000 tree_serialize 917.88 us/op 1.2315 ms/op 0.75
UintBigint16 x 100000 tree_deserialize 3.9272 ms/op 5.1206 ms/op 0.77
UintBigint16 x 100000 tree_serialize 1.1497 ms/op 640.62 us/op 1.79
UintBigint32 x 100000 tree_deserialize 3.0803 ms/op 4.2658 ms/op 0.72
UintBigint32 x 100000 tree_serialize 1.1955 ms/op 1.3363 ms/op 0.89
UintBigint64 x 100000 tree_deserialize 3.6347 ms/op 5.0786 ms/op 0.72
UintBigint64 x 100000 tree_serialize 1.4282 ms/op 1.4705 ms/op 0.97
UintBigint8 x 100000 value_deserialize 368.30 us/op 404.70 us/op 0.91
UintBigint8 x 100000 value_serialize 467.92 us/op 382.87 us/op 1.22
UintBigint16 x 100000 value_deserialize 386.71 us/op 466.89 us/op 0.83
UintBigint16 x 100000 value_serialize 468.63 us/op 372.96 us/op 1.26
UintBigint32 x 100000 value_deserialize 412.80 us/op 466.87 us/op 0.88
UintBigint32 x 100000 value_serialize 470.30 us/op 420.65 us/op 1.12
UintBigint64 x 100000 value_deserialize 396.45 us/op 529.13 us/op 0.75
UintBigint64 x 100000 value_serialize 560.48 us/op 560.71 us/op 1.00
UintBigint8 x 100000 deserialize 1.6609 ms/op 1.9547 ms/op 0.85
UintBigint8 x 100000 serialize 1.0046 ms/op 1.5883 ms/op 0.63
UintBigint16 x 100000 deserialize 1.5696 ms/op 2.0593 ms/op 0.76
UintBigint16 x 100000 serialize 915.71 us/op 3.1908 ms/op 0.29
UintBigint32 x 100000 deserialize 1.6878 ms/op 1.9335 ms/op 0.87
UintBigint32 x 100000 serialize 1.6113 ms/op 2.9584 ms/op 0.54
UintBigint64 x 100000 deserialize 1.5851 ms/op 1.9438 ms/op 0.82
UintBigint64 x 100000 serialize 816.40 us/op 1.2405 ms/op 0.66
UintBigint128 x 100000 deserialize 1.8194 ms/op 2.2284 ms/op 0.82
UintBigint128 x 100000 serialize 6.5407 ms/op 12.854 ms/op 0.51
UintBigint256 x 100000 deserialize 2.6912 ms/op 3.0918 ms/op 0.87
UintBigint256 x 100000 serialize 20.884 ms/op 38.538 ms/op 0.54
Slice from Uint8Array x25000 721.64 us/op 971.96 us/op 0.74
Slice from ArrayBuffer x25000 8.4873 ms/op 11.503 ms/op 0.74
Slice from ArrayBuffer x25000 + new Uint8Array 11.863 ms/op 17.728 ms/op 0.67
Copy Uint8Array 100000 iterate 730.15 us/op 882.77 us/op 0.83
Copy Uint8Array 100000 slice 185.88 us/op 199.54 us/op 0.93
Copy Uint8Array 100000 Uint8Array.prototype.slice.call 119.92 us/op 78.781 us/op 1.52
Copy Buffer 100000 Uint8Array.prototype.slice.call 117.26 us/op 76.688 us/op 1.53
Copy Uint8Array 100000 slice + set 269.44 us/op 154.02 us/op 1.75
Copy Uint8Array 100000 subarray + set 117.45 us/op 75.378 us/op 1.56
Copy Uint8Array 100000 slice arrayBuffer 117.26 us/op 75.833 us/op 1.55
Uint64 deserialize 100000 - iterate Uint8Array 827.88 us/op 1.3277 ms/op 0.62
Uint64 deserialize 100000 - by Uint32A 829.82 us/op 1.3477 ms/op 0.62
Uint64 deserialize 100000 - by DataView.getUint32 x2 895.23 us/op 1.4955 ms/op 0.60
Uint64 deserialize 100000 - by DataView.getBigUint64 2.6572 ms/op 3.8719 ms/op 0.69
Uint64 deserialize 100000 - by byte 10.735 ms/op 15.829 ms/op 0.68

by benchmarkbot/action

nflaig
nflaig approved these changes Aug 14, 2026
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seems good to me, @wemeetagain should probably give this a review

@wemeetagain
wemeetagain merged commit 2b876ad into master Aug 17, 2026
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@wemeetagain
wemeetagain deleted the te/fix_readVariableOffsetsArrayComposite branch August 17, 2026 19:11
@github-actions github-actions Bot mentioned this pull request Aug 18, 2026
Merged
wemeetagain pushed a commit that referenced this pull request Aug 18, 2026
@github-actions
chore: release master (#544)
5681f33 
🤖 I have created a release *beep* *boop*
---


<details><summary>as-sha256: 1.2.5</summary>

##
[1.2.5](as-sha256-v1.2.4...as-sha256-v1.2.5)
(2026-08-18)


### Miscellaneous

* reduce test workflow critical path
([#539](#539))
([dcc065d](dcc065d))
</details>

<details><summary>persistent-merkle-tree: 1.3.1</summary>

##
[1.3.1](persistent-merkle-tree-v1.3.0...persistent-merkle-tree-v1.3.1)
(2026-08-18)


### Dependencies

* The following workspace dependencies were updated
  * dependencies
    * @chainsafe/as-sha256 bumped to 1.2.5
</details>

<details><summary>ssz: 1.6.3</summary>

##
[1.6.3](ssz-v1.6.2...ssz-v1.6.3)
(2026-08-18)


### Bug Fixes

* check first offset in readVariableOffsetsArrayComposite
([#543](#543))
([2b876ad](2b876ad))


### Miscellaneous

* reduce test workflow critical path
([#539](#539))
([dcc065d](dcc065d))


### Dependencies

* The following workspace dependencies were updated
  * dependencies
    * @chainsafe/as-sha256 bumped to 1.2.5
    * @chainsafe/persistent-merkle-tree bumped to 1.3.1
</details>

---
This PR was generated with [Release
Please](https://github.com/googleapis/release-please). See
[documentation](https://github.com/googleapis/release-please#release-please).

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
@nflaig nflaig mentioned this pull request Aug 21, 2026
Merged
wemeetagain pushed a commit to ChainSafe/lodestar that referenced this pull request Aug 21, 2026
@nflaig
deps: bump ssz to 1.6.3 (#9890)
da8dfea 
- this release includes  ChainSafe/ssz#543
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@nflaig nflaig nflaig approved these changes

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@twoeths @wemeetagain @nflaig