162306a36Sopenharmony_ciPartial implementation of various ring layouts, useful to tune virtio design. 262306a36Sopenharmony_ciUses shared memory heavily. 362306a36Sopenharmony_ci 462306a36Sopenharmony_ciTypical use: 562306a36Sopenharmony_ci 662306a36Sopenharmony_ci# sh run-on-all.sh perf stat -r 10 --log-fd 1 -- ./ring 7