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OPAL run records and checkpoints
OPAL (OPtimizer with an Agent in the Loop) is a PyTorch optimizer wrapper that lets a coding agent read training observations and rewrite optimizer and analysis programs during training. This dataset contains the selected release run records and retained model weights.
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Each setting is a single run. These records do not establish variation across seeds. Static runs use the fixed recipe; OPAL runs allow agent changes. The two runs under codex_backend_experimental/ use the experimental Codex backend with gpt-6.1-sol at high effort.
Lower is better for FID, validation loss and FLORES-200 bits per sentence; higher is better for accuracy. Track 3 validation loss is in nats per token. Values below are rounded for display; each result.json retains the recorded precision and timing definitions.
| Example | Run | Role | Metric | Value |
|---|---|---|---|---|
| raev2 | dopt-raev2-b20-opal-499fddb-rs2 | OPAL | FID-50K (EMA) | 3.19 |
| raev2 | dopt-raev2-b20-official-v1 | static | FID-50K (EMA) | 3.39 |
| goldfish amh | dopt-gf-amh-opal-499fddb-official-a2 | OPAL | FLORES-200 bits/sentence | 81.57 |
| goldfish amh | dopt-gf-amh-official-v1 | static | FLORES-200 bits/sentence | 83.48 |
| goldfish swa | dopt-gf-swa-opal-499fddb-official-a2 | OPAL | FLORES-200 bits/sentence | 77.25 |
| goldfish swa | dopt-gf-swa-official-v1 | static | FLORES-200 bits/sentence | 79.37 |
| goldfish kir | dopt-gf-kir-opal-499fddb-official-a2 | OPAL | FLORES-200 bits/sentence | 69.03 |
| goldfish kir | dopt-gf-kir-official-v1 | static | FLORES-200 bits/sentence | 70.81 |
| Track 3 zho hans | t3-o02d-3k-499-rs-p0 | OPAL | validation loss raw | 4.21400 |
| Track 3 zho hans | s3000-f3d-r02 | static | validation loss raw | 4.25703 |
| Track 3 zho hans | t3-o36d-3k-447-p0 | OPAL | validation loss raw | 4.12857 |
| Track 3 zho hans | s3000-f3d-r36 | static | validation loss raw | 4.18447 |
| Track 3 tha thai | t3-o02f-3k-499-rs-p0 | OPAL | validation loss raw | 4.72078 |
| Track 3 tha thai | s3000-f3f-r02 | static | validation loss raw | 4.77445 |
| Track 3 tha thai | t3-o36f-3k-499-p0 | OPAL | validation loss raw | 4.66083 |
| Track 3 tha thai | s3000-f3f-r36 | static | validation loss raw | 4.71995 |
| Track 3 kir cyrl | t3-o02c-3k-499-rs-p0 | OPAL | validation loss raw | 3.94820 |
| Track 3 kir cyrl | s3000-f3c-r02 | static | validation loss raw | 4.00449 |
| Track 3 kir cyrl | t3-o36c-3k-499-p0 | OPAL | validation loss raw | 3.85329 |
| Track 3 kir cyrl | s3000-f3c-r36 | static | validation loss raw | 3.91228 |
| Track 3 fineweb quarter | t3-og-499-rs2-p0 | OPAL | validation loss raw | 3.30782 |
| Track 3 fineweb quarter | f2e-r36-lr1-loss | static | validation loss raw | 3.31039 |
| overfit label10 | op-ofit-499-b | OPAL | test accuracy (%) | 80.00 |
| overfit label10 | op-ofit-499-te2 | OPAL | test accuracy (%) | 80.42 |
| overfit label10 | ssln-s-label10-3e3 | static | test accuracy (%) | 73.53 |
| cifar10 resnet | op-cifar-499-b | OPAL | test accuracy | 0.9456 |
| cifar10 resnet | op-cifar-499-plain | static | test accuracy | 0.9449 |
| gpt small | op-gpt-499-b | OPAL | validation loss | 4.3419 |
| gpt small | op-gpt-499-plain | static | validation loss | 4.4763 |
| diffusion mnist | op-diff-499-b | OPAL | validation loss ema | 0.1623 |
| diffusion mnist | op-diff-499-plain | static | ema validation loss | 0.1696 |
| mnist mlp | mnist-plain | static | test accuracy | 0.9850 |
| mnist mlp | mnist-opal | OPAL | test accuracy | 0.9863 |
| gpt small | op-gpt-sol-b | OPAL | validation loss | 4.3125 |
| diffusion mnist | op-diff-sol-b | OPAL | validation loss ema | 0.1687 |
Track 3 OPAL runs also record Tail-EMA validation losses in secondary_metrics; the table uses raw-weight validation loss for the static/OPAL comparison. The quarter-batch static f2e-r36-lr1-loss ends at 3.31039 in its own retained stdout.
Start with result.json in each run folder. It describes the metric, baseline, command, software revision, hardware, timing scope, agent decisions/cost when recorded, missing artifacts and weight hashes. artifacts/ holds the original per-run metrics, logs, decision observations and messages, generated programs and reports when retained. provenance/ holds relevant saved code/configuration. Available contents vary by run. Each run has SHA256SUMS; the root MANIFEST.json inventories the published files.
Checkpoints contain tensor state dictionaries only. Model and EMA states are retained when present; optimizer, agent and other non-tensor metadata are omitted. Original and published SHA256 values are recorded in each run’s result.json. RAEv2-B weights are from the final epoch-20 checkpoint at step 25020; the reported FID used EMA at step 25000, whose exact snapshot was not separately retained. Goldfish includes the final checkpoint for each listed run. Overfit best.pt is selected by development accuracy: the static checkpoint is from update 40771; the two OPAL checkpoints are from the final update 42120.
Track 3 has records only because no model or Tail-EMA checkpoints were retained. The ordinary small scripts and MNIST MLP likewise have no retained weights. The overfit and two experimental Codex runs include the weights that were saved. Training data are not included.
This release contains selected finished runs. Internal aggregate research reports, deployment orchestration and disposable caches are outside the package. Paths, storage locations, hostnames, infrastructure identifiers and personal identifiers were replaced with neutral placeholders in copies; source bundles were preserved privately. See REDACTION.md for the procedure and REDACTION.json for the audit.
The run records and exported checkpoints in this repository are released under the MIT license. See LICENSE.
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