zat.dev
atproto utils for zig
zat.dev
atproto
sdk
zig
docs: reorder chart and table — fastest to slowest
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
zzstoatzz.io
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devlog/005-three-way-verify.md
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devlog/005-three-way-verify.md
···
43
| SDK | CAR parse | sig verify | MST walk+verify | compute total |
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|-----|----------:|----------:|----------------:|-------------:|
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| zig (zat) | 82.8ms | 0.6ms | 39.3ms | **122.7ms** |
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-
| go (indigo) | 424.7ms | 0.2ms | 9.3ms | **434.2ms** |
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| rust (RustCrypto) | 301.0ms | 0.2ms | 120.9ms | **422.1ms** |
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network time (handle + DID resolution + repo fetch) dominates total wall clock — 8-20 seconds depending on PDS response time. compute is under 500ms for all three.
50
···
43
| SDK | CAR parse | sig verify | MST walk+verify | compute total |
44
|-----|----------:|----------:|----------------:|-------------:|
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| zig (zat) | 82.8ms | 0.6ms | 39.3ms | **122.7ms** |
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| rust (RustCrypto) | 301.0ms | 0.2ms | 120.9ms | **422.1ms** |
47
+
| go (indigo) | 424.7ms | 0.2ms | 9.3ms | **434.2ms** |
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network time (handle + DID resolution + repo fetch) dominates total wall clock — 8-20 seconds depending on PDS response time. compute is under 500ms for all three.
50
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devlog/img/verify-compute.svg
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devlog/img/verify-compute.svg
···
16
<rect x="260.2" y="55" width="47.1" height="38" fill="#c55a11" rx="3"/>
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<text x="283.7" y="78.0" text-anchor="middle" fill="white" font-size="9" font-weight="500">MST</text>
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<text x="317.3" y="79.0" fill="#a0a0a0" font-size="12" font-weight="500">123ms</text>
19
-
<!-- go: CAR 424.7ms + sig 0.2ms + MST walk 9.3ms = 434.2ms -->
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-
<text x="146" y="137.0" text-anchor="end" fill="#c0c0c0" font-size="13">go (indigo)</text>
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-
<rect x="160.0" y="113" width="508.8" height="38" fill="#e8944a" rx="3"/>
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-
<text x="414.4" y="136.0" text-anchor="middle" fill="white" font-size="10" font-weight="500">CAR parse</text>
23
-
<rect x="668.8" y="113" width="1.0" height="38" fill="#ed7d31" rx="3"/>
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-
<rect x="669.8" y="113" width="11.1" height="38" fill="#c55a11" rx="3"/>
25
-
<text x="691.0" y="137.0" fill="#a0a0a0" font-size="12" font-weight="500">434ms</text>
26
<!-- rust: CAR 301.0ms + sig 0.2ms + MST walk 120.9ms = 422.1ms -->
27
-
<text x="146" y="195.0" text-anchor="end" fill="#c0c0c0" font-size="13">rust (RustCrypto)</text>
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-
<rect x="160.0" y="171" width="360.5" height="38" fill="#e8944a" rx="3"/>
29
-
<text x="340.3" y="194.0" text-anchor="middle" fill="white" font-size="10" font-weight="500">CAR parse</text>
30
-
<rect x="520.5" y="171" width="1.0" height="38" fill="#ed7d31" rx="3"/>
31
-
<rect x="521.5" y="171" width="144.8" height="38" fill="#c55a11" rx="3"/>
32
-
<text x="593.9" y="194.0" text-anchor="middle" fill="white" font-size="10" font-weight="500">MST walk</text>
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-
<text x="676.3" y="195.0" fill="#a0a0a0" font-size="12" font-weight="500">422ms</text>
34
<!-- axis labels -->
35
<text x="160.0" y="227" text-anchor="middle" fill="#606060" font-size="10">0</text>
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<text x="264.0" y="227" text-anchor="middle" fill="#606060" font-size="10">87ms</text>
···
16
<rect x="260.2" y="55" width="47.1" height="38" fill="#c55a11" rx="3"/>
17
<text x="283.7" y="78.0" text-anchor="middle" fill="white" font-size="9" font-weight="500">MST</text>
18
<text x="317.3" y="79.0" fill="#a0a0a0" font-size="12" font-weight="500">123ms</text>
19
<!-- rust: CAR 301.0ms + sig 0.2ms + MST walk 120.9ms = 422.1ms -->
20
+
<text x="146" y="137.0" text-anchor="end" fill="#c0c0c0" font-size="13">rust (RustCrypto)</text>
21
+
<rect x="160.0" y="113" width="360.5" height="38" fill="#e8944a" rx="3"/>
22
+
<text x="340.3" y="136.0" text-anchor="middle" fill="white" font-size="10" font-weight="500">CAR parse</text>
23
+
<rect x="520.5" y="113" width="1.0" height="38" fill="#ed7d31" rx="3"/>
24
+
<rect x="521.5" y="113" width="144.8" height="38" fill="#c55a11" rx="3"/>
25
+
<text x="593.9" y="136.0" text-anchor="middle" fill="white" font-size="10" font-weight="500">MST walk</text>
26
+
<text x="676.3" y="137.0" fill="#a0a0a0" font-size="12" font-weight="500">422ms</text>
27
+
<!-- go: CAR 424.7ms + sig 0.2ms + MST walk 9.3ms = 434.2ms -->
28
+
<text x="146" y="195.0" text-anchor="end" fill="#c0c0c0" font-size="13">go (indigo)</text>
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+
<rect x="160.0" y="171" width="508.8" height="38" fill="#e8944a" rx="3"/>
30
+
<text x="414.4" y="194.0" text-anchor="middle" fill="white" font-size="10" font-weight="500">CAR parse</text>
31
+
<rect x="668.8" y="171" width="1.0" height="38" fill="#ed7d31" rx="3"/>
32
+
<rect x="669.8" y="171" width="11.1" height="38" fill="#c55a11" rx="3"/>
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+
<text x="691.0" y="195.0" fill="#a0a0a0" font-size="12" font-weight="500">434ms</text>
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<!-- axis labels -->
35
<text x="160.0" y="227" text-anchor="middle" fill="#606060" font-size="10">0</text>
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<text x="264.0" y="227" text-anchor="middle" fill="#606060" font-size="10">87ms</text>
