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refactor(cam): remove read noise from noise architecture (Phase 2)

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- Make cam_read_noise a pass-through module, removing all noise injection logic
- Switch write noise to use noise_mask_bernoulli instead of noise_mask_grouped
- Add state machine to cam_write_noise for mask generation timing
- Remove noise_mask_grouped.sv (no longer needed)
- Remove read noise parameters from cam_noisy and cam_top
- Update simulation and benchmark code to reflect read noise removal
- Sync documentation to reflect Phase 2 architecture
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SikongJueluo
2026-05-26 23:02:22 +08:00
parent e5d13917b2
commit 8b4d4c1b57
29 changed files with 277 additions and 863 deletions
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@@ -76,11 +76,11 @@ cam-test MODULE TESTCASE:
# Run CAM retrieval benchmark without hardware noise
cam-test-retrieval-no-noise:
just remote "make -C hw/sim clean && make -C hw/sim test-benchmark-retrieval TOPK_K=5 WRITE_NOISE_EN=0 READ_NOISE_EN=0"
just remote "make -C hw/sim clean && make -C hw/sim test-benchmark-retrieval TOPK_K=5 WRITE_NOISE_EN=0"
# Run CAM retrieval benchmark with read noise enabled
# Run CAM retrieval benchmark with write noise enabled (Phase 2: read noise removed)
cam-test-retrieval-read-noise:
just remote "make -C hw/sim clean && make -C hw/sim test-benchmark-retrieval TOPK_K=5 WRITE_NOISE_EN=0 READ_NOISE_EN=1 READ_NOISE_RATE_NUM=1 READ_NOISE_RATE_DEN=100 READ_NOISE_BITS=8"
just remote "make -C hw/sim clean && make -C hw/sim test-benchmark-retrieval TOPK_K=5 WRITE_NOISE_EN=1 WRITE_NOISE_RATE_NUM=1 WRITE_NOISE_RATE_DEN=100"
# Prepare CIFAR10 hash artifact for CAM retrieval smoke benchmark
cam-prepare-retrieval-cifar10 ROWS="512" QUERIES="128":
@@ -92,8 +92,8 @@ cam-prepare-retrieval-cifar100 ROWS="512" QUERIES="128":
# Run CAM retrieval benchmark on a prepared artifact without hardware noise
cam-test-retrieval-artifact DATASET_PATH NUM_ROWS="4096":
just remote "make -C hw/sim clean && make -C hw/sim test-benchmark-retrieval TOPK_K=5 NUM_ROWS={{NUM_ROWS}} WRITE_NOISE_EN=0 READ_NOISE_EN=0 CAM_RETRIEVAL_DATASET={{ DATASET_PATH }}"
just remote "make -C hw/sim clean && make -C hw/sim test-benchmark-retrieval TOPK_K=5 NUM_ROWS={{NUM_ROWS}} WRITE_NOISE_EN=0 CAM_RETRIEVAL_DATASET={{ DATASET_PATH }}"
# Run CAM retrieval benchmark on a prepared artifact with read noise enabled
# Run CAM retrieval benchmark on a prepared artifact with write noise enabled (Phase 2: read noise removed)
cam-test-retrieval-artifact-read-noise DATASET_PATH NUM_ROWS="4096":
just remote "make -C hw/sim clean && make -C hw/sim test-benchmark-retrieval TOPK_K=5 NUM_ROWS={{NUM_ROWS}} WRITE_NOISE_EN=0 READ_NOISE_EN=1 READ_NOISE_RATE_NUM=1 READ_NOISE_RATE_DEN=100 READ_NOISE_BITS=8 CAM_RETRIEVAL_DATASET={{ DATASET_PATH }}"
just remote "make -C hw/sim clean && make -C hw/sim test-benchmark-retrieval TOPK_K=5 NUM_ROWS={{NUM_ROWS}} WRITE_NOISE_EN=1 WRITE_NOISE_RATE_NUM=1 WRITE_NOISE_RATE_DEN=100 CAM_RETRIEVAL_DATASET={{ DATASET_PATH }}"