khanwinter.com / CBOR
A fast, safe, and efficient CBOR serialization library for Swift on any platform. swiftpackageindex.com/thecoolwinter/CBOR/1.1.1/documentation/cbor
atproto swift cbor
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CBOR / Benchmarks / comparison-decoding.md
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Comparing results between 'swiftcbor' and 'Current_run'#

Host 'Khans-MacBook-Pro.local' with 10 'arm64' processors with 16 GB memory, running:
Darwin Kernel Version 24.3.0: Thu Jan  2 20:24:16 PST 2025; root:xnu-11215.81.4~3/RELEASE_ARM64_T6000

Decoding#

Array metrics#

Time (total CPU): results within specified thresholds, fold down for details.

Time (total CPU) (ns) * p0 p25 p50 p75 p90 p99 p100 Samples
swiftcbor 22 23 23 23 24 34 59 10000
Current_run 6 7 7 7 7 7 24 10000
Δ -16 -16 -16 -16 -17 -27 -35 0
Improvement % 73 70 70 70 71 79 59 0

Complex Object metrics#

Time (total CPU): results within specified thresholds, fold down for details.

Time (total CPU) (μs) * p0 p25 p50 p75 p90 p99 p100 Samples
swiftcbor 698 700 703 709 723 761 824 1229
Current_run 74 74 75 75 77 83 104 8115
Δ -624 -626 -628 -634 -646 -678 -720 6886
Improvement % 89 89 89 89 89 89 87 6886

Date metrics#

Time (total CPU): results within specified thresholds, fold down for details.

Time (total CPU) (ns) * p0 p25 p50 p75 p90 p99 p100 Samples
swiftcbor 5125 5211 5251 5291 5375 5875 19500 10000
Current_run 959 1042 1083 1084 1125 1250 8749 10000
Δ -4166 -4169 -4168 -4207 -4250 -4625 -10751 0
Improvement % 81 80 79 80 79 79 55 0

Dictionary metrics#

Time (total CPU): results within specified thresholds, fold down for details.

Time (total CPU) (ns) * p0 p25 p50 p75 p90 p99 p100 Samples
swiftcbor 17 17 17 17 18 23 35 10000
Current_run 5 5 5 5 5 6 19 10000
Δ -12 -12 -12 -12 -13 -17 -16 0
Improvement % 71 71 71 71 72 74 46 0

Double metrics#

Time (total CPU): results within specified thresholds, fold down for details.

Time (total CPU) (ns) * p0 p25 p50 p75 p90 p99 p100 Samples
swiftcbor 5166 5251 5295 5335 5419 6087 24041 10000
Current_run 916 1000 1001 1042 1083 1208 19666 10000
Δ -4250 -4251 -4294 -4293 -4336 -4879 -4375 0
Improvement % 82 81 81 80 80 80 18 0

Float metrics#

Time (total CPU): results within specified thresholds, fold down for details.

Time (total CPU) (ns) * p0 p25 p50 p75 p90 p99 p100 Samples
swiftcbor 5166 5251 5295 5335 5375 5959 24875 10000
Current_run 916 1000 1000 1041 1042 1167 8417 10000
Δ -4250 -4251 -4295 -4294 -4333 -4792 -16458 0
Improvement % 82 81 81 80 81 80 66 0

Indeterminate String metrics#

Time (total CPU): results within specified thresholds, fold down for details.

Time (total CPU) (ns) * p0 p25 p50 p75 p90 p99 p100 Samples
swiftcbor 6124 6251 6251 6295 6375 7003 36250 10000
Current_run 1292 1375 1417 1458 1500 1750 8459 10000
Δ -4832 -4876 -4834 -4837 -4875 -5253 -27791 0
Improvement % 79 78 77 77 76 75 77 0

Int metrics#

Time (total CPU): results within specified thresholds, fold down for details.

Time (total CPU) (ns) * p0 p25 p50 p75 p90 p99 p100 Samples
swiftcbor 5083 5211 5211 5251 5335 5919 19542 10000
Current_run 1041 1124 1125 1166 1167 1292 20833 10000
Δ -4042 -4087 -4086 -4085 -4168 -4627 1291 0
Improvement % 80 78 78 78 78 78 -7 0

Int Small metrics#

Time (total CPU): results within specified thresholds, fold down for details.

Time (total CPU) (ns) * p0 p25 p50 p75 p90 p99 p100 Samples
swiftcbor 5082 5167 5211 5211 5291 5711 20708 10000
Current_run 958 1083 1083 1125 1125 1250 16792 10000
Δ -4124 -4084 -4128 -4086 -4166 -4461 -3916 0
Improvement % 81 79 79 78 79 78 19 0

Simple Object metrics#

Time (total CPU): results within specified thresholds, fold down for details.

Time (total CPU) (ns) * p0 p25 p50 p75 p90 p99 p100 Samples
swiftcbor 35 36 36 37 37 43 56 10000
Current_run 8 8 8 8 8 9 21 10000
Δ -27 -28 -28 -29 -29 -34 -35 0
Improvement % 77 78 78 78 78 79 62 0

String metrics#

Time (total CPU): results within specified thresholds, fold down for details.

Time (total CPU) (ns) * p0 p25 p50 p75 p90 p99 p100 Samples
swiftcbor 5293 5419 5459 5459 5503 5959 20499 10000
Current_run 1166 1251 1292 1333 1334 1583 15584 10000
Δ -4127 -4168 -4167 -4126 -4169 -4376 -4915 0
Improvement % 78 77 76 76 76 73 24 0

String Small metrics#

Time (total CPU): results within specified thresholds, fold down for details.

Time (total CPU) (ns) * p0 p25 p50 p75 p90 p99 p100 Samples
swiftcbor 5124 5251 5291 5335 5459 6295 25084 10000
Current_run 1041 1125 1126 1167 1208 1334 9250 10000
Δ -4083 -4126 -4165 -4168 -4251 -4961 -15834 0
Improvement % 80 79 79 78 78 79 63 0