993a1994 tests: add a CNv4 JIT test (moneromooo-monero)
736f2579 crypto: plug CNv4 JIT into cn_slow_hash (moneromooo-monero)
2e9b988a crypto: clear cache after generating random program (moneromooo-monero)
683c3d13 performance_tests: add tests for new Cryptonight variants (moneromooo-monero)