1 1. This version of the Portals LND is intended to work on the Cray XT3 using
2 Cray Portals as a network transport.
4 2. To enable the building of the Portals LND (ptllnd.ko) configure with the
6 ./configure --with-portals=<path-to-portals-headers>
8 3. The following configuration options are supported
11 The total number of message descritprs
14 The maximum number of conncurent peers. Peers attemting
15 to connect beyond the maximum will not be allowd.
18 The number of hash table slots for the peers. This number
19 should scale with concurrent_peers.
22 Set to non-zero to enable message (not RDMA) checksums for
23 outgoing packets. Incoming packets will always be checksumed
24 if necssary, independnt of this value.
27 The amount of time a request can linger in a peers active
28 queue, before the peer is considered dead. Units: seconds.
31 The portal ID to use for the ptllnd traffic.
34 The number of pages in a RX Buffer.
37 The maximum total number of concurrent sends that are
38 outstanding at any given instant.
41 The maximum number of concurrent sends that are
42 outstanding to a single piere at any given instant.
45 The maximum immedate message size. This MUST be
46 the same on all nodes in a cluster. A peer connecting
47 with a diffrent max_msg_size will be rejected.