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dtest - Online in the Cloud

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This is the command dtest that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator



dtest - simple uDAPL send/receive and RDMA test


dtest [-P provider] [-b buf size] [-B burst count][-v] [-c] [-p] [-d] [-s]

dtest [-P provider] [-b buf size] [-B burst count][-v] [-c] [-p] [-d] [-h HOSTNAME]


dtest is a simple test used to exercise and verify the uDAPL interfaces. At least two
instantiations of the test must be run. One acts as the server and the other the client.
The server side of the test, once invoked listens for connection requests, until timing
out or killed. Upon receipt of a cd connection request, the connection is established, the
server and client sides exchange information necessary to perform RDMA writes and reads.


use PROVIDER to specify uDAPL interface using /etc/dat.conf (default OpenIB-cma)

use buffer size BUFFER_SIZE for RDMA(default 64)

use busrt count BURST_COUNT for interations (default 10)

-v, verbose output(default off)

-c, use consumer notification events (default off)

-p, use polling (default wait for event)

-d, delay in seconds before close (default off)

-s, run as server (default - run as server)

use HOSTNAME to specify server hostname or IP address (default - none)


dtest -P OpenIB-cma -v -s

Starts a server process with debug verbosity using provider OpenIB-cma.

dtest -P OpenIB-cma -h server1-ib0

Starts a client process, using OpenIB-cma provider to connect to hostname server1-ib0.

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