Modify Solaris Studio Complier notes about using xarch
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README
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README
@ -10,7 +10,7 @@ Copyright (c) 2004-2007 The Regents of the University of California.
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All rights reserved.
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Copyright (c) 2006-2010 Cisco Systems, Inc. All rights reserved.
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Copyright (c) 2006-2011 Mellanox Technologies. All rights reserved.
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Copyright (c) 2006-2010 Oracle and/or its affiliates. All rights reserved.
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Copyright (c) 2006-2012 Oracle and/or its affiliates. All rights reserved.
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Copyright (c) 2007 Myricom, Inc. All rights reserved.
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Copyright (c) 2008 IBM Corporation. All rights reserved.
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Copyright (c) 2010 Oak Ridge National Labs. All rights reserved.
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@ -224,11 +224,11 @@ Compiler Notes
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example, such configurations may require additional compiler /
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linker flags to make Open MPI build properly.
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- Open MPI does not support the Sparc v8 CPU target, which is the
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default on Sun Solaris. The v8plus (32 bit) or v9 (64 bit)
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targets must be used to build Open MPI on Solaris. This can be
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done by including a flag in CFLAGS, CXXFLAGS, FFLAGS, and FCFLAGS,
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-xarch=v8plus for the Sun compilers, -mcpu=v9 for GCC.
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- Open MPI does not support the Sparc v8 CPU target. However,
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as of Solaris Studio 12.1, and later compilers, one should not
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specify -xarch=v8plus or -xarch=v9. The use of the options
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-m32 and -m64 for producing 32 and 64 bit targets, respectively,
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are now preferred by the Solaris Studio compilers.
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- At least some versions of the Intel 8.1 compiler seg fault while
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compiling certain Open MPI source code files. As such, it is not
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