Artifact 0375766879ff75e6d042295c34f9eb7ca9980be7c20bc089d348dfc61c5a14e0:
Same-path predecessors sourced from check-in manifest walk, offered ahead of chronological window candidates (fossil's mlink analog per §6.2).
fossil-scm-clone: zit=108143984B fossil=72245248B ratio=1.4969 [Step-4 packed store (measured this run), accounting EXACT (header64 + zlib + delta + config == 108,143,984): zlib 8369 frames / 82,268,624 B (76.1%, avg 9830 B); delta 59130 frames / 25,875,208 B (23.9%, avg 437 B); config 1 frame / 88 B; raw 0. Artifact-type split: checkin/manifest 20848 / 23,816,728 B (22.0%), other-artifact 6929 / 4,706,432 B (4.4%), file-blob 39722 / 79,620,672 B (73.6%). Header+padding overhead 3,710,123 B (3.4%).] | sqlite: zit=174352688B fossil=147709952B ratio=1.1804 [Step-4 packed store (measured this run), accounting EXACT (header64 + zlib + delta + config == 174,352,688): zlib 9248 frames / 113,074,896 B (64.9%, avg 12226 B); delta 121746 frames / 61,277,640 B (35.1%, avg 503 B); config 1 frame / 88 B; raw 0. Artifact-type split: checkin/manifest 36515 / 65,427,440 B (37.5%), other-artifact 4775 / 5,462,856 B (3.1%), file-blob 89704 / 103,462,240 B (59.3%). Header+padding overhead 7,211,093 B (4.1%).] vs baseline: fossil-scm-clone: zit=117528088B fossil=72245248B ratio=1.627 [raw=0B/0f; zlib=92073728B/9647f (78.3%); delta=25454120B/57852f (21.7%); config=176B/2f. Header+padding overhead 3711845B (3.2%). Artifact-type: checkin/manifest 26721968B/20848, other 4835264B/6929, file-blob 85970616B/39722. Accounting exact.] | sqlite: zit=207344544B fossil=147709952B ratio=1.404 [raw=0B/0f; zlib=140422768B/10847f (67.7%); delta=66921536B/120147f (32.3%); config=176B/2f. Header+padding overhead 7212808B (3.5%). Artifact-type: checkin/manifest 81006048B/36515, other 5531960B/4775, file-blob 120806296B/89704. Accounting exact.] by dmestas on 2026-07-18 15:09:17.
C feat(§6.2):\ssame-path\scandidates\sin\spack\svia\smanifest\swalk\n\nSame-path\spredecessors\ssourced\sfrom\scheck-in\smanifest\swalk,\soffered\sahead\sof\schronological\swindow\scandidates\s(fossil's\smlink\sanalog\sper\s§6.2).\n\nfossil-scm-clone:\szit=108143984B\sfossil=72245248B\sratio=1.4969\s[Step-4\spacked\sstore\s(measured\sthis\srun),\saccounting\sEXACT\s(header64\s+\szlib\s+\sdelta\s+\sconfig\s==\s108,143,984):\szlib\s8369\sframes\s/\s82,268,624\sB\s(76.1%,\savg\s9830\sB);\sdelta\s59130\sframes\s/\s25,875,208\sB\s(23.9%,\savg\s437\sB);\sconfig\s1\sframe\s/\s88\sB;\sraw\s0.\sArtifact-type\ssplit:\scheckin/manifest\s20848\s/\s23,816,728\sB\s(22.0%),\sother-artifact\s6929\s/\s4,706,432\sB\s(4.4%),\sfile-blob\s39722\s/\s79,620,672\sB\s(73.6%).\sHeader+padding\soverhead\s3,710,123\sB\s(3.4%).]\s|\ssqlite:\szit=174352688B\sfossil=147709952B\sratio=1.1804\s[Step-4\spacked\sstore\s(measured\sthis\srun),\saccounting\sEXACT\s(header64\s+\szlib\s+\sdelta\s+\sconfig\s==\s174,352,688):\szlib\s9248\sframes\s/\s113,074,896\sB\s(64.9%,\savg\s12226\sB);\sdelta\s121746\sframes\s/\s61,277,640\sB\s(35.1%,\savg\s503\sB);\sconfig\s1\sframe\s/\s88\sB;\sraw\s0.\sArtifact-type\ssplit:\scheckin/manifest\s36515\s/\s65,427,440\sB\s(37.5%),\sother-artifact\s4775\s/\s5,462,856\sB\s(3.1%),\sfile-blob\s89704\s/\s103,462,240\sB\s(59.3%).\sHeader+padding\soverhead\s7,211,093\sB\s(4.1%).]\nvs\sbaseline:\nfossil-scm-clone:\szit=117528088B\sfossil=72245248B\sratio=1.627\s[raw=0B/0f;\szlib=92073728B/9647f\s(78.3%);\sdelta=25454120B/57852f\s(21.7%);\sconfig=176B/2f.\sHeader+padding\soverhead\s3711845B\s(3.2%).\sArtifact-type:\scheckin/manifest\s26721968B/20848,\sother\s4835264B/6929,\sfile-blob\s85970616B/39722.\sAccounting\sexact.]\s|\ssqlite:\szit=207344544B\sfossil=147709952B\sratio=1.404\s[raw=0B/0f;\szlib=140422768B/10847f\s(67.7%);\sdelta=66921536B/120147f\s(32.3%);\sconfig=176B/2f.\sHeader+padding\soverhead\s7212808B\s(3.5%).\sArtifact-type:\scheckin/manifest\s81006048B/36515,\sother\s5531960B/4775,\sfile-blob\s120806296B/89704.\sAccounting\sexact.] D 2026-07-18T15:09:17.004 F .fossil-settings/ignore-glob 48212e9febe6d74143ee9ac63664d0385fbd2cb43e9877c4c7d86f1faf726292 F README.md 62e1f936cc2ea0e33d717539bdffd6126a639843069bd6256359f2b15cb06232 F build.zig dff8fc88604665ad095e12d3199ca9730fc71c46371e994f040ad8454110c808 F build.zig.zon d5d4d8f8c01f55e69078eabf2ee65f7c1756bdbb2f71738ac5de9de99e69aff1 F docs/plans/bench/baseline-unstamped-run.json 4a5542be70d7b5e6366238b7e4c8d133aff6fd59ae4c40c0984323ea298c1eee F docs/plans/bench/step2-pickbase-unstamped-run.json 9f4a2f2ff8ca74da80649d5c9d9532e84dde59438b459ad7cf492b6d8f27fc46 F docs/plans/bench/step3-pack-redeltify-unstamped-run.json 3b2c6fca9de70acd5c9f670f0066fff13b196da23a9bdb2ae6e9ad2c36010a83 F docs/plans/bench/step4-samepath-unstamped-run.json 121bdee18b7e5b1b23cd58a05c333b621d3622eb9c2552e9104447e034630cfc F docs/rfcs/draft-fossil-artifact-format-00.txt a6d542a5effeb41d0ea1e916058ccdc0a5819787f167ef1ebad7814f5680e7ad F docs/rfcs/draft-fossil-delta-format-00.txt 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src/repoimage.zig 7d2dc2f3c145e10e2d9ba6997705fd61a0cc0aedde8e171c253163d1279ccdd5 F src/repository.zig 7f925277bf1a3d0cd892e0dc386b2cad6d16f95545cffc30d1422b15e1a7c9d1 F src/repository_test.zig 8cc334f64023d8e58532d721ca75faf2880e6067716b4fbdfa596c26d35fca87 F src/repostate.zig 49044cc9ea2079abd8aaf7fa94da515ca74be80dd7938fe0c840f840dff0355c F src/repostate_test.zig 0333453b73d0c1fdb9e74dccbbdb46d969e66cd1c037acb06d0882b1008c8b3e F src/repoview.zig ec2958e1e8fd955c761d240ab80c3b3f62e3473991713c25ed5a603df984e403 F src/rfc_vectors/artifact_a1_1_sha1_manifest.txt 82d8fc78b3fbf85efe80cb05e79db40c910bf0551e55b728c6f9c2ca7a42ddb6 F src/rfc_vectors/artifact_a1_2_sha3_technote.txt 832e850f83aab2e2a754aa97591109f7f05fb41e4126c7e71c88a59d6d17e55d F src/rfc_vectors/artifact_a3_rcard_manifest.txt 47e412ef211f095e93275fadf527909e581eef42357d8437fc7e299bfc3e62a7 F src/rfc_vectors/sync_a1_round1_reply.txt 638813029b10f81303b88859279afb17095d7c779c993f4267870909acabbeb9 F src/rfc_vectors/sync_a1_round2_file_cards.txt 4fa397741f7521cc4181d5d6b04dc143187f57602384eaa688552115ecda27c2 F src/rfc_vectors/sync_a1_round2_reply.txt af956808190c79b37a384041690c36b78845b471d6c6c01d1cced6e3ee92e6b1 F src/rfc_vectors/sync_a2_reply.txt aa130a127cde210f793c7842960083c765e0ffc7b673374fabc8f0edfe03d763 F src/root.zig 6f8922cfe4746eaaf4bc83fb10bb698a43e39746fb070dc8a0cc9fc6e161b83c F src/serve.zig baa76b81f5cc21322e85f3d390b533c828c969f6d10580b5e8aa1f339202d945 F src/sim/faulty_file.zig 8e8a0325d0e987d1dd306588f910af5302e6456561eefae92c73c424fc1a9c94 F src/sim/gen.zig 0e237af570a73bc78e9a717a8ea59867611deb2348287765826ea4ff1942528b F src/sim/net.zig 8fb057012ce0a33f67c928cd696bc2761fea8ba4012b2daa33871b2ba5dfe772 F src/sim/oracle.zig 04b81d9472a0529d9e9d030779304c3d6c930f4db20b800ae3f9cbc5c178969a F src/sim/storage_sweep.zig 5472d632347079fb5c7e7ae300b46c6e8202b91202b1c51b181dd3c7bab8a306 F src/sim/sync_gen.zig 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4652b2ab7f43ccd8af5ca6ef7604f8e7cd28353450b1ec90d206b881308f8b5f F src/update.zig c9eae1aecd395c4ef25d82421e4b0bacf1c68b20de48f17bba8b2c9498b663c3 F src/update_test.zig fc38086e2fd03bdeafdad0331f347895ab57df9c53060965ceadb5f794e7b8cb F src/warmread_benchmark.zig 9421986d49deff3f720e491fb6d1c7162dc9322f4e67dd14198820c3992dc02a P efaf2d3ae18b0b76e1c23502ba2bed506694c30c43695b68cbe0dc0dcdec4cef R 7853c24c99f3d7bd7cec48af1473aa58 U dmestas Z 8156e066d11500fec6ae7d77efdabe06