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e4cbb5e30d
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feat(hw/rtl): implement full Top-K CAM search pipeline with serial result output
- add TOPK_K, FIFO_DEPTH, RESULT_SERIAL parameters to cam_params
- add candidate_fifo: synchronous ready/valid FIFO for (row, score) candidates
- add topk_tracker: tracks top-K candidates with clear/ready handshake
- add result_serializer: serializes packed Top-K array into rank-ordered stream
- refactor match_engine_pipeline from 4-state to 8-state Top-K pipeline
- extend cam_top with serial Top-K interface (result_rank/row/score/last)
- add backward-compatible top1_index/top1_score aliases from rank-0 beat
- add comprehensive tests for all new modules
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2026-05-19 22:43:21 +08:00 |
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706d148a0b
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feat(hw): add CAM top-level synthesis infrastructure and fix RTL synthesis compatibility
- Add hw/syn/Makefile with hier/flat/full synth targets and artifact mirroring
- Add synth_cam_top_hier.ys for hierarchy-preserving resource estimation on Xilinx 7-series
- Add synth_cam_top_flat.ys for flattened Xilinx 7-series synthesis
- Add cam-synth just target for convenient invocation
- Guard runtime assertions (NUM_ROWS/LANES checks, noise seed checks, NOISE_BITS checks)
behind SYNTHESIS guard in cam_core_banked, cam_read_noise, cam_write_noise, and noise_mask_grouped
- Fix shadowed 'return' variable in random128 xorshift128 function
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2026-05-18 15:40:04 +08:00 |
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