Omar SobhandClaude Sonnet 4.6 f487196367 feat(batch27): JEPA ViT bridge, WebDataset shard reading, training loop ...

Gap 2 — rtx-vision ViT bridge (jepa_vision_bridge.rs, 8 tests):
- ViT::forward_features(): patch reps without classification head
- ViT::encode_patch_indices(): shape-correct placeholder for GPU dispatch
- RtxVisionJepaEncoder implementing JepaEncoder (vision-bridge feature)
- From<&ViTConfig> for JepaViTConfig config conversion
- rtx-vision added as optional dep; vision-bridge feature gate

Gap 3 — WebDataset tar-shard reading (jepa_data.rs, +12 tests, 47 total):
- parse_tar_bytes(): pure stdlib tar parser (512-byte block format)
- read_webdataset_shard(): file reader with ShardLoadStats timing
- WebDatasetRecord: key, image_bytes, label, extension
- ShuffleBuffer: fixed-capacity reservoir sampling via LCG PRNG
- JepaDataPipeline::from_filesystem(): validates paths, loads shards, builds pipeline

Gap 5 — Training loop runner (jepa_runner.rs + examples/jepa_train.rs, 15 tests):
- JepaRunConfig with TOML-style key=value parser
- run_jepa_training(): full training loop (JepaTrainerV2, cosine LR, checkpointing)
- JepaCheckpoint::save() writes JSON summary; load() stub
- examples/jepa_train.rs: --config/--size/--steps/--dry-run CLI flags

Co-Authored-By: Claude Sonnet 4.6 <[email protected]>

2026-06-27 15:23:55 +00:00

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src

feat(batch27): JEPA ViT bridge, WebDataset shard reading, training loop

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tests

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Cargo_standalone.toml

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Cargo_test.toml

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Cargo.toml

deps: align all 56 per-crate Cargo.toml files to thiserror v2

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Cargo.toml.backup

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Cargo.toml.test

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coatnet_integration_demo.rs

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coatnet_standalone_test.rs

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regnet_green_test.rs

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regnet_simple_test.rs

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regnet_standalone_test.rs

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