• feature: add option --enable-dag-cache to allow an extra DAG for different epoch cached in GPU memory, useful for ETH+ZIL mining and mining on NiceHash.
• 功能: 新增--enable-cache-dag选项，可额外在GPU显存中缓存另一个epoch的DAG文件，可用于ETH+ZIL挖矿以及在NiceHash挖矿的DAG快速切换