[mvapich-discuss] build with cudatoolkit(9.1) question

[Arnold, Mark]

Hi Morin,

This will require a small patch, copied below, which should fix your issue. Note that this should only be affecting the standard MVAPICH version not our GDR version. This will be fixed in upcoming versions of MVAPICH as well.

-Mark

diff --git a/src/mpid/ch3/channels/mrail/src/cuda/Makefile.mk b/src/mpid/ch3/channels/mrail/src/cuda/Makefile.mk
index 875f6f440f..1c1a17a103 100644
--- a/src/mpid/ch3/channels/mrail/src/cuda/Makefile.mk
+++ b/src/mpid/ch3/channels/mrail/src/cuda/Makefile.mk
@@ -13,7 +13,8 @@
 ##     -maxrregcount values

 NVCC = nvcc
-NVCFLAGS = -cuda -arch sm_20 -maxrregcount 32
+NVCFLAGS = -cuda
+
 SUFFIXES += .cu .cpp
 .cu.cpp:
        $(NVCC) $(NVCFLAGS) $(INCLUDES) $(CPPFLAGS) --output-file $@ $<
________________________________
From: mvapich-discuss-bounces at cse.ohio-state.edu on behalf of Morin, Monique Marlene [morin at lanl.gov]
Sent: Thursday, January 25, 2018 12:38 PM
To: mvapich-discuss at cse.ohio-state.edu
Subject: [mvapich-discuss] build with cudatoolkit(9.1) question


Hello,


Trying to compile MVAPICH2 (version 2.2) with cudatoolkit (version 9.1).


Getting the following error:


nvcc fatal   : Value 'sm_20' is not defined for option 'gpu-architecture'

Wondering if there is a flag to set for MVAPICH configure process that will pass updated/correct value(s) to cudatoolkit?

Thanks,

Morin


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