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git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@12402 f3b2605a-c512-4ea7-a41b-209d697bcdaa

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sjplimp 2014-09-04 16:09:39 +00:00
parent d143c88dff
commit 9b4e8563d1
2 changed files with 20 additions and 6 deletions
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13
doc/Section_accelerate.html
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@ -520,10 +520,16 @@ LAMMPS.
<P>(a) Build the GPU library
</P>
<P>The GPU library is in lammps/lib/gpu. Select a Makefile.machine (in
lib/gpu) appropriate for your system.
lib/gpu) appropriate for your system. You should pay special
attention to 3 settings in this makefile.
</P>
<P>Before building the library, you can set its precision by editing the
CUDA_PREC setting in Makefile.machine, as follows:
<UL><LI>CUDA_HOME = needs to be where NVIDIA Cuda software is installed on your system
<LI>CUDA_ARCH = needs to be appropriate to your GPUs
<LI>CUDA_PREC = precision (double, mixed, single) you desire
</UL>
<P>See lib/gpu/Makefile.linux.double for examples of the ARCH settings
for different GPU choices, e.g. Fermi vs Kepler. It also lists the
possible precision settings:
</P>
<PRE>CUDA_PREC = -D_SINGLE_SINGLE # Single precision for all calculations
CUDA_PREC = -D_DOUBLE_DOUBLE # Double precision for all calculations
@ -745,6 +751,7 @@ the library is built.
N = 3 for positions in double precision
N = 4 for positions and velocities in double precision
<I>arch=M</I> to set GPU compute capability
M = 35 for Kepler GPUs
M = 20 for CC2.0 (GF100/110, e.g. C2050,GTX580,GTX470) (default)
M = 21 for CC2.1 (GF104/114, e.g. GTX560, GTX460, GTX450)
M = 13 for CC1.3 (GF200, e.g. C1060, GTX285)

13
doc/Section_accelerate.txt
View File

@ -513,10 +513,16 @@ LAMMPS.
(a) Build the GPU library
The GPU library is in lammps/lib/gpu. Select a Makefile.machine (in
lib/gpu) appropriate for your system.
lib/gpu) appropriate for your system. You should pay special
attention to 3 settings in this makefile.
Before building the library, you can set its precision by editing the
CUDA_PREC setting in Makefile.machine, as follows:
CUDA_HOME = needs to be where NVIDIA Cuda software is installed on your system
CUDA_ARCH = needs to be appropriate to your GPUs
CUDA_PREC = precision (double, mixed, single) you desire :ul
See lib/gpu/Makefile.linux.double for examples of the ARCH settings
for different GPU choices, e.g. Fermi vs Kepler. It also lists the
possible precision settings:
CUDA_PREC = -D_SINGLE_SINGLE # Single precision for all calculations
CUDA_PREC = -D_DOUBLE_DOUBLE # Double precision for all calculations
@ -738,6 +744,7 @@ the library is built.
N = 3 for positions in double precision
N = 4 for positions and velocities in double precision
{arch=M} to set GPU compute capability
M = 35 for Kepler GPUs
M = 20 for CC2.0 (GF100/110, e.g. C2050,GTX580,GTX470) (default)
M = 21 for CC2.1 (GF104/114, e.g. GTX560, GTX460, GTX450)
M = 13 for CC1.3 (GF200, e.g. C1060, GTX285)