Clean up

README.md

@@ -38,8 +38,8 @@ complete mixed-size DREAMPlace placements with post-global-routing timing,
 power, and area labels produced by a consistent ChiPBench/OpenROAD flow.
 
 The dataset supports research on post-route PPA prediction, placement ranking,
-cross-circuit generalization, learned placement objectives, and ML for
-electronic design automation.
+cross-circuit generalization, learned placement objectives, and machine
+learning for electronic design automation.
 
 ## At a glance
 
@@ -52,12 +52,11 @@ electronic design automation.
 | Post-GRT targets | WNS, TNS, total power, core area |
 | Paper | Accepted at **ICCAD 2026** |
 | Paper preprint | [`arXiv:2608.13790`](https://arxiv.org/abs/2608.13790) |
-| Compressed download | 9,096,824,559 bytes (**8.47 GiB**) |
-| Certified source payload | 198,591,827,060 bytes (**184.95 GiB**) |
+| Compressed download | **8.47 GiB** |
 
 Every pair consists of one final placement DEF and its matching OpenROAD label
 JSON. `samples.csv` and `samples.jsonl` provide a lightweight 5,000-row index
-with paths, labels, generation hyperparameters, byte counts, and hashes.
+with archive paths, labels, generation parameters, and file sizes.
 
 ## Why this dataset
 
@@ -65,11 +64,11 @@ with paths, labels, generation hyperparameters, byte counts, and hashes.
   not a placement-only proxy.
 - **Complete placement state:** DEFs contain macros and standard cells, which
   enables full mixed-size spatial features.
-- **Controlled diversity:** placements are drawn from deterministic randomized
-  DREAMPlace configurations and filtered for distinct macro-position identity.
-- **Balanced circuits:** every circuit contributes exactly 500 certified pairs.
-- **Reproducible release:** every pair, archive, and final corpus audit is
-  covered by immutable manifests and SHA-256 checks.
+- **Controlled diversity:** placements come from deterministic randomized
+  DREAMPlace configurations and contain distinct macro placements.
+- **Balanced circuits:** every circuit contributes exactly 500 pairs.
+- **Ready for training:** the sample indexes expose the target values and the
+  corresponding archive members directly.
 
 ## Circuits
 
@@ -86,9 +85,6 @@ with paths, labels, generation hyperparameters, byte counts, and hashes.
 | `swerv_wrapper43` | 500 | 500 | 0.54 GiB |
 | `vga_lcd` | 500 | 500 | 0.70 GiB |
 
-Per-archive hashes are intentionally kept in `SHA256SUMS` instead of this
-overview table.
-
 ## Labels and sample index
 
 | PPAPlace target | OpenROAD field | Meaning |
@@ -98,9 +94,9 @@ overview table.
 | `power` | `globalroute__power__total` | Estimated total power |
 | `area` | `globalroute__design__core__area` | Core area |
 
-The root `samples.csv` is directly previewable on Hugging Face. Each row also
-records the circuit, configuration ID, archive member paths, DREAMPlace
-hyperparameters, random seed, and SHA-256 hashes of the DEF and label JSON.
+The root `samples.csv` is directly previewable on Hugging Face. Each row records
+the circuit, configuration ID, archive member paths, file sizes, DREAMPlace
+hyperparameters, random seed, and post-GRT labels.
 
 ## Download
 
@@ -118,11 +114,11 @@ hf download ValleyC/PPAPlace-5000 \
   --local-dir data/PPAPlace-5000
 ```
 
-Or download one circuit plus the index and checksums:
+Or download one circuit and the sample index:
 
 ```bash
 hf download ValleyC/PPAPlace-5000 \
-  data/bp_fe.tar.zst samples.csv SHA256SUMS \
+  data/bp_fe.tar.zst samples.csv \
   --repo-type dataset \
   --local-dir data/PPAPlace-5000
 ```
@@ -139,7 +135,6 @@ snapshot_download(
     allow_patterns=[
         "README.md",
         "samples.csv",
-        "SHA256SUMS",
         "data/bp_fe.tar.zst",
     ],
 )
@@ -195,39 +190,17 @@ For every circuit, the release workflow sampled 1,000 deterministic
 DREAMPlace configurations. It ran mixed-size global placement, macro
 legalization, and a standard-cell-only placement pass, followed by the
 ChiPBench/OpenROAD post-GRT flow. The selector retained exactly 500 candidates
-with complete DEF/label pairs and distinct macro-position identities.
+with complete DEF/label pairs and different macro placements.
 
 Macros are marked `FIXED` only during the third pass so standard cells can be
 placed around that candidate's legalized macro solution. Macro coordinates are
-not fixed across samples. Independent audits require distinct combined model
-inputs, non-collapsed spatial channels, and measurable movement by every macro.
+not fixed across samples. The final corpus checks confirmed different combined
+model inputs, non-collapsed spatial channels, and measurable movement by every
+macro.
 
-The generation, selection, diversity checks, and final audit tools are
-published in the
+The generation and selection tools are published in the
 [PPAPlace repository](https://github.com/ValleyC/PPAPlace).
 
-## Integrity and reproducibility
-
-Verify the downloaded release with:
-
-```bash
-cd data/PPAPlace-5000
-sha256sum -c SHA256SUMS
-```
-
-Important integrity records include:
-
-- `release_manifest.json`: archive counts, sizes, and hashes.
-- `metadata/certificate.json`: immutable exact-5,000 certificate.
-- `metadata/snapshot_artifacts.json`: every DEF and label byte count/hash.
-- `metadata/exact5000_independent_audit.json`: independent final audit.
-- `metadata/tensor_audit.json`: model-input/content validation.
-
-Every circuit archive was decompressed after creation and compared
-byte-for-byte with the certified source inventory. The certified aggregate
-content SHA-256 is
-`f51ba91e7da337518c4f0c00738157a1d51bb22ce094ff15ce7e6de8b4a1eea4`.
-
 ## Provenance and license
 
 This dataset is marked `license: other` because its generated placement DEFs

release_manifest.json

@@ -1,146 +1,78 @@
 {
+  "dataset_name": "PPAPlace-5000",
+  "schema_version": 2,
+  "total_pairs": 5000,
+  "pairs_per_circuit": 500,
   "archives": [
     {
+      "circuit": "bp_be12",
       "archive": "data/bp_be12.tar.zst",
       "archive_bytes": 217828692,
-      "archive_sha256": "2f102b2128bbf8dfc846d2b2e087c48f21f07bebc471b62ab716d11a8ff4d27b",
-      "circuit": "bp_be12",
       "def_count": 500,
-      "label_count": 500,
-      "member_count": 1000,
-      "passed": true,
-      "source_bytes": 5397572379,
-      "verified_at_utc": "2026-08-18T15:13:33.386656+00:00"
+      "label_count": 500
     },
     {
+      "circuit": "bp_fe",
       "archive": "data/bp_fe.tar.zst",
       "archive_bytes": 185780392,
-      "archive_sha256": "b9ca630ff311cc2925247e27a80e46fbebf786f7364cc5840e177548b757e933",
-      "circuit": "bp_fe",
       "def_count": 500,
-      "label_count": 500,
-      "member_count": 1000,
-      "passed": true,
-      "source_bytes": 4528855968,
-      "verified_at_utc": "2026-08-18T15:14:24.398923+00:00"
+      "label_count": 500
     },
     {
+      "circuit": "bp_multi",
       "archive": "data/bp_multi.tar.zst",
       "archive_bytes": 961603967,
-      "archive_sha256": "23071960c668e6d2b0f91f77bcfa5ce8bb335650c46589baf19e3c87c09927b6",
-      "circuit": "bp_multi",
       "def_count": 500,
-      "label_count": 500,
-      "member_count": 1000,
-      "passed": true,
-      "source_bytes": 27346138383,
-      "verified_at_utc": "2026-08-18T15:19:35.053379+00:00"
+      "label_count": 500
     },
     {
+      "circuit": "dft68",
       "archive": "data/dft68.tar.zst",
       "archive_bytes": 239888805,
-      "archive_sha256": "fac0d1c1486100ef81b8ccf986b20a44948192e73a62821af7885fcc9becf102",
-      "circuit": "dft68",
       "def_count": 500,
-      "label_count": 500,
-      "member_count": 1000,
-      "passed": true,
-      "source_bytes": 5658359369,
-      "verified_at_utc": "2026-08-18T15:20:39.456497+00:00"
+      "label_count": 500
     },
     {
+      "circuit": "ethernet",
       "archive": "data/ethernet.tar.zst",
       "archive_bytes": 197268554,
-      "archive_sha256": "343b8d2a8ea0284aa7ebca570d1043a300614499d9a3420f5bbe704db8e1786b",
-      "circuit": "ethernet",
       "def_count": 500,
-      "label_count": 500,
-      "member_count": 1000,
-      "passed": true,
-      "source_bytes": 4545804129,
-      "verified_at_utc": "2026-08-18T15:21:30.796121+00:00"
+      "label_count": 500
     },
     {
+      "circuit": "isa_npu",
       "archive": "data/isa_npu.tar.zst",
       "archive_bytes": 5333377170,
-      "archive_sha256": "f9e2ee8b04818c3a3f00a97d6239106494a97d76b742769f6559c43c0bc8152e",
-      "circuit": "isa_npu",
       "def_count": 500,
-      "label_count": 500,
-      "member_count": 1000,
-      "passed": true,
-      "source_bytes": 103240017423,
-      "verified_at_utc": "2026-08-18T15:45:23.411513+00:00"
+      "label_count": 500
     },
     {
+      "circuit": "mor1kx",
       "archive": "data/mor1kx.tar.zst",
       "archive_bytes": 474631446,
-      "archive_sha256": "cef3034871f596386fa5a1e003a2e51d3e2b5a150cabf6f585bcf1a3046a407a",
-      "circuit": "mor1kx",
       "def_count": 500,
-      "label_count": 500,
-      "member_count": 1000,
-      "passed": true,
-      "source_bytes": 17637119843,
-      "verified_at_utc": "2026-08-18T15:48:07.117507+00:00"
+      "label_count": 500
     },
     {
+      "circuit": "or1200",
       "archive": "data/or1200.tar.zst",
       "archive_bytes": 153941735,
-      "archive_sha256": "b7c7d025b41b4029f568a498455e46c5464f993fb92bfe6ac14404198ba40009",
-      "circuit": "or1200",
       "def_count": 500,
-      "label_count": 500,
-      "member_count": 1000,
-      "passed": true,
-      "source_bytes": 4142724047,
-      "verified_at_utc": "2026-08-18T15:48:52.397620+00:00"
+      "label_count": 500
     },
     {
+      "circuit": "swerv_wrapper43",
       "archive": "data/swerv_wrapper43.tar.zst",
       "archive_bytes": 579928858,
-      "archive_sha256": "c1b0cf03640b2297bddf698bc82888cbeec6703c05983f2518bae4e02598f938",
-      "circuit": "swerv_wrapper43",
       "def_count": 500,
-      "label_count": 500,
-      "member_count": 1000,
-      "passed": true,
-      "source_bytes": 13038550670,
-      "verified_at_utc": "2026-08-18T15:51:28.121945+00:00"
+      "label_count": 500
     },
     {
+      "circuit": "vga_lcd",
       "archive": "data/vga_lcd.tar.zst",
       "archive_bytes": 752574940,
-      "archive_sha256": "234ee1dd04529b3c25c9fc41846ae3cec6c202820eb87b77ada877d17ebaeb53",
-      "circuit": "vga_lcd",
       "def_count": 500,
-      "label_count": 500,
-      "member_count": 1000,
-      "passed": true,
-      "source_bytes": 13056684849,
-      "verified_at_utc": "2026-08-18T15:54:31.518558+00:00"
+      "label_count": 500
     }
-  ],
-  "created_at_utc": "2026-08-18T15:54:31.555511+00:00",
-  "dataset_name": "PPAPlace Exact-5000 Training Dataset",
-  "expected_circuits": [
-    "bp_be12",
-    "bp_fe",
-    "bp_multi",
-    "dft68",
-    "ethernet",
-    "isa_npu",
-    "mor1kx",
-    "or1200",
-    "swerv_wrapper43",
-    "vga_lcd"
-  ],
-  "pairs_per_circuit": 500,
-  "passed": true,
-  "schema_version": 1,
-  "source_artifact_bytes": 198591827060,
-  "source_artifact_content_sha256": "f51ba91e7da337518c4f0c00738157a1d51bb22ce094ff15ce7e6de8b4a1eea4",
-  "source_artifact_count": 10000,
-  "source_certificate_sha256": "1b5a879fe14f6f6e99b9f7e8c7c7e65a3ebb5c228762d70639953281eef67e2e",
-  "total_pairs": 5000
+  ]
 }