Print UCX infoΒΆ
This tool prints various information about UCX library:
Version and build configuration
Configuration settings and help for every variable.
Sizes of various data structures
Transport information: devices and capabilities. The tool resides in src/tools/info.
Full options list:
$ ucx_info -h
Usage: ucx_info [options]
Options are:
-v Version
-d Devices
-c Configuration
-a Show also hidden configuration
-b Build configuration
-y Type information
-f Fully decorated output
-t <name> Print information for a specific transport
Sample output:
# Transport: rc
#
# mlx5_0:1
# speed: 6502.32 MB/sec
# capabilities:
# put_short: <= 92
# put_bcopy: <= 8192
# put_zcopy: <= 1073741824
# get_bcopy: <= 8192
# get_zcopy: <= 1073741824
# am_short: <= 91
# am_bcopy: <= 8191
# am_zcopy: <= 8191
# am header: <= 127
# atomic_add: 32, 64 bit
# atomic_fadd: 32, 64 bit
# atomic_swap: 32, 64 bit
# atomic_cswap: 32, 64 bit
# error handling: none
#
# mlx4_0:1
# speed: 6502.32 MB/sec
# capabilities:
# put_short: <= 88
# put_bcopy: <= 8192
# put_zcopy: <= 1073741824
# get_bcopy: <= 8192
# get_zcopy: <= 1073741824
# am_short: <= 87
# am_bcopy: <= 8191
# am_zcopy: <= 8191
# am header: <= 127
# atomic_add: 64 bit
# atomic_fadd: 64 bit
# atomic_swap: 64 bit
# atomic_cswap: 64 bit
# error handling: none
#
# mlx4_0:2
# speed: 6502.32 MB/sec
# capabilities:
# put_short: <= 88
# put_bcopy: <= 8192
# put_zcopy: <= 1073741824
# get_bcopy: <= 8192
# get_zcopy: <= 1073741824
# am_short: <= 87
# am_bcopy: <= 8191
# am_zcopy: <= 8191
# am header: <= 127
# atomic_add: 64 bit
# atomic_fadd: 64 bit
# atomic_swap: 64 bit
# atomic_cswap: 64 bit
# error handling: none
#