This test measures host-to-device and device-to-host bandwidth using 50 iterations of hipMemcpy
in each direction.
To build on Crusher or Frontier:
$ source setup_environment.sh
$ make
$ ./bandwidth --help
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Usage: ./bandwidth [OPTIONS]
--loop_count=<value>, -l: Iterations of timed bw loop
<value> should be an integer > 1
(default is 50)
--help, -h: Show help
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