c5c5b42307
This commit adds a new btl for one-sided and two-sided. This btl uses the uct layer in OpenUCX. This btl makes use of multiple uct contexts and per-thread device pinning to provide good performance when using threads and osc/rdma. This btl has been tested extensively with osc/rdma and passes all MTT tests on aries and IB hardware. For now this new component disables itself but can be enabled by setting the btl_ucx_transports MCA variable with a comma-delimited list of supported memory domains/transport layers. For example: --mca btl_uct_memory_domains ib/mlx5_0. The specific transports used can be selected using --mca btl_uct_transports. The default is to use any available transport. Signed-off-by: Nathan Hjelm <hjelmn@lanl.gov>
48 строки
1.7 KiB
Bash
48 строки
1.7 KiB
Bash
# -*- shell-script -*-
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#
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# Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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# University Research and Technology
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# Corporation. All rights reserved.
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# Copyright (c) 2004-2005 The University of Tennessee and The University
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# of Tennessee Research Foundation. All rights
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# reserved.
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# Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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# University of Stuttgart. All rights reserved.
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# Copyright (c) 2004-2006 The Regents of the University of California.
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# All rights reserved.
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# Copyright (c) 2006 QLogic Corp. All rights reserved.
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# Copyright (c) 2009 Cisco Systems, Inc. All rights reserved.
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# Copyright (c) 2011-2018 Los Alamos National Security, LLC.
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# All rights reserved.
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# $COPYRIGHT$
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#
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# Additional copyrights may follow
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#
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# $HEADER$
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#
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# OPAL_CHECK_UCX(prefix, [action-if-found], [action-if-not-found])
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# --------------------------------------------------------
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# check if UCX support can be found. sets prefix_{CPPFLAGS,
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# LDFLAGS, LIBS} as needed and runs action-if-found if there is
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# support, otherwise executes action-if-not-found
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AC_DEFUN([MCA_opal_btl_uct_CONFIG],[
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AC_CONFIG_FILES([opal/mca/btl/uct/Makefile])
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OMPI_CHECK_UCX([btl_uct],
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[btl_uct_happy="yes"],
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[btl_uct_happy="no"])
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AS_IF([test "$btl_uct_happy" = "yes"],
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[$1
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btl_uct_LIBS = "$btl_uct_LIBS -luct"
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],
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[$2])
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# substitute in the things needed to build ucx
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AC_SUBST([btl_uct_CPPFLAGS])
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AC_SUBST([btl_uct_LDFLAGS])
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AC_SUBST([btl_uct_LIBS])
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])dnl
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