channel的size默认的是1吗？怎么修改channel的size？

109010118

channel的size默认的是1吗？怎么修改channel的size？

xd_hg

vmm_channel ：
function new( string name, string inst, int    full = 1, int    empty = 0, bit    fill_as_bytes = 0);
full specifies the FIFO depth. empty specifies minimum bounds on the FIFO.  fill_as_bytes
specifies if FIFO level is based on number of transactions or number of bytes.