We have one query on vbuf_lock in mvapich2 Here for uDAPL code (located inside src/mpid/ch3/channels/mrail/src/udapl) do not maintain any protection like “vbuf_lock” where as similar code for IB (located in src/mpid/ch3/channels/mrail/src/gen2) we have used vbuf_lock protection.
Does any one know against what in Gen2 we are trying to protect free_vbuf_head ? Why do not we need such protection in udapl code? Thanks, Polk
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