@@ -960,6 +960,8 @@ def __init__(self, **inputs):
960960 self ._use_cuda ()
961961
962962 def _num_threads_update (self ):
963+ if self .inputs .use_cuda and gpu_count ()> 0 :
964+ self .inputs .num_threads = 1
963965 self ._num_threads = self .inputs .num_threads
964966 if not isdefined (self .inputs .num_threads ):
965967 if "OMP_NUM_THREADS" in self .inputs .environ :
@@ -969,12 +971,13 @@ def _num_threads_update(self):
969971
970972 def _use_cuda (self ):
971973 if self .inputs .use_cuda and gpu_count ()> 0 :
974+ self .inputs .num_threads = 1
972975 # eddy_cuda usually link to eddy_cudaX.X but some versions miss the symlink
973976 # anyway in newer fsl versions eddy automatically use cuda on cuda-capable systems
974977 self ._cmd = "eddy_cuda" if which ("eddy_cuda" ) else "eddy"
975978 else :
976979 # older fsl versions has cuda_openmp, newer versions has eddy_cpu
977- _cmd = "eddy_openmp" if which ("eddy_openmp" ) else "eddy_cpu"
980+ self . _cmd = "eddy_openmp" if which ("eddy_openmp" ) else "eddy_cpu"
978981
979982 def _run_interface (self , runtime ):
980983 # If selected command is missing, use generic 'eddy'
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