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feat(retrieval): add CAM retrieval benchmark with topk scoring and read noise support

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- Add cocotb benchmark infrastructure under hw/sim/benchmarks/retrieval/ with Makefile
- Implement test_retrieval_benchmark.py supporting configurable topk-k, read/write noise
- Add cluster-based synthetic dataset generator with configurable bit-flip rates
- Add reference model functions: match_topk, match_topk_from_scores, score_rows_with_read_noise
- Add .justfile shortcuts: cam-test-retrieval-no-noise, cam-test-retrieval-read-noise
- Add TOPK_K to Verilator EXTRA_ARGS via cocotb-common.mk
- Add unit tests for topk sorting logic and stateful read-noise scoring
This commit is contained in:
SikongJueluo
2026-05-22 19:01:43 +08:00
parent 29f4cc91f6
commit e1bed00cc4
8 changed files with 503 additions and 2 deletions
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13
hw/sim/benchmarks/retrieval/Makefile Normal file
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SIM_ROOT := $(abspath ../..)
RTL_ROOT := $(abspath $(SIM_ROOT)/../rtl)
include $(SIM_ROOT)/mk/rtl-sources.mk
TOPLEVEL := cam_top
COCOTB_TEST_MODULES := benchmarks.retrieval.test_retrieval_benchmark
VERILOG_SOURCES := $(RTL_CAM_TOP)
TOPK_K ?= 5
WRITE_NOISE_EN ?= 0
READ_NOISE_EN ?= 0
include $(SIM_ROOT)/mk/cocotb-common.mk