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--- cluster:223 [2023/09/13 16:27]
hmeij07
+++ cluster:223 [2023/09/18 16:56] (current)
hmeij07
@@ Line 240: / Line 240: @@
 # hmmm, using -suffix gpu it does not jump on gpus, generic non-gpu libthread error
 # same version rocky8/cuda-11.6 works, centos7/cuda-10.2 works, all "make" compiles
-# try "cmake" compile on n33-n36 with newer version of lammps?
+# try "cmake" compile on n33-n36
+# libspace tarball download fails on file hash and
+# yields a  status: [1;"Unsupported protocol"]  error for ML-PACE
+# without ML-SPACE hash fails for opencl-loarder third partty, bad url
+# https://download.lammps.org/thirdparty/opencl-loader-opencl-loadewer-version...tgz
+# then extract in _deps/ dir
+# and added -D GPU_LIBRARY=../lib/gpu/libgpu.a ala QUIP_LIBRARY
+# that works, cmake compile binary jumps on multiple gpus
+[hmeij@n35 sharptail]$ mpirun -n 2 \
+/share/apps/CENTOS7/lammps/25Apr2023/cuda-11.2/cmake/single-single/lmp \
+-suffix gpu -in in.colloid
+[root@greentail52 ~]# ssh n35 gpu-process
+gpu_name, gpu_id, pid, process_name
+Tesla K20m, 0, 9911, /share/apps/CENTOS7/lammps/25Apr2023/cuda-11.2/cmake/single-single/lmp
+Tesla K20m, 1, 9912, /share/apps/CENTOS7/lammps/25Apr2023/cuda-11.2/cmake/single-single/lmp
+# some stats, colloid example
+cpu, 1 gpu
+Total wall time: 0:05:49
+cpus, 2 gpus
+Total wall time: 0:03:58
+cpus, 4 gpus
+Total wall time: 0:02:23
+cpus, 4 gpus
+Total wall time: 0:02:23
+# but the ML-PACE hash  error is different, so no go there
 </code>

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