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FallenSigh ce40a6df42 perf(mlkem): stream compress feed (B1) — ~27% fewer Encaps cycles

Decouple the ENC_C1/C2 compress micro-sequence into a streaming
producer/collector instead of feeding one coeff and draining the whole
6-stage comp_decomp pipeline per coeff.

- comp_decomp_sync: ready_o = 1'b1 (fully pipelined, consumer never
  backpressures since ready_i is tied high), so feeders can issue a new
  coeff every cycle.
- mlkem_top ENC_C1/C2: producer feeds one coeff every 2 cycles
  (<=5.5 bit/cyc, under the single-port ct drain of 8 bit/cyc so the bit
  buffer stays bounded); a per-cycle collector appends compressed bits
  and drains one ct byte/cycle.

Verified byte-exact against NIST KAT (Vivado 2019.2 XSIM) for KeyGen,
Encaps (9/9), Decaps (9/9 incl. reject path + DECOMP), hello_world e2e.

K=2 Encaps: ENC_C1 6273->1035, ENC_C2 2945->522, total 27851->20190.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

2026-07-11 02:00:03 +08:00

doc

doc: add ML-KEM IP design report with figures

2026-07-08 04:42:11 +08:00

fpga

update vivado reports

2026-07-08 04:20:27 +08:00

rtl

perf(mlkem): stream compress feed (B1) — ~27% fewer Encaps cycles

2026-07-11 02:00:03 +08:00

sdk

add examples/mlkem_hello