diff --git a/map2map/test.py b/map2map/test.py
index 4319014..54e4b3f 100644
--- a/map2map/test.py
+++ b/map2map/test.py
@@ -48,7 +48,7 @@ def test(args):
 
             loss = criterion(output, target)
 
-            print('sample {} loss: {}'.format(i, loss))
+            print('sample {} loss: {}'.format(i, loss.item()))
 
             if args.norms is not None:
                 norm = test_dataset.norms[0]  # FIXME
diff --git a/map2map/train.py b/map2map/train.py
index a2f58a1..cf03d2e 100644
--- a/map2map/train.py
+++ b/map2map/train.py
@@ -48,7 +48,8 @@ def gpu_worker(local_rank, args):
         norms=args.norms,
         pad_or_crop=args.pad_or_crop,
     )
-    train_sampler = DistributedSampler(train_dataset, shuffle=True)
+    #train_sampler = DistributedSampler(train_dataset, shuffle=True)
+    train_sampler = DistributedSampler(train_dataset)
     train_loader = DataLoader(
         train_dataset,
         batch_size=args.batches,
@@ -65,7 +66,8 @@ def gpu_worker(local_rank, args):
         norms=args.norms,
         pad_or_crop=args.pad_or_crop,
     )
-    val_sampler = DistributedSampler(val_dataset, shuffle=False)
+    #val_sampler = DistributedSampler(val_dataset, shuffle=False)
+    val_sampler = DistributedSampler(val_dataset)
     val_loader = DataLoader(
         val_dataset,
         batch_size=args.batches,
@@ -112,9 +114,9 @@ def gpu_worker(local_rank, args):
 
     if args.rank == 0:
         args.logger = SummaryWriter()
-        hparam = {k: v if isinstance(v, (int, float, str, bool, torch.Tensor))
-                else str(v) for k, v in vars(args).items()}
-        args.logger.add_hparams(hparam_dict=hparam, metric_dict={})
+        #hparam = {k: v if isinstance(v, (int, float, str, bool, torch.Tensor))
+        #        else str(v) for k, v in vars(args).items()}
+        #args.logger.add_hparams(hparam_dict=hparam, metric_dict={})
 
     for epoch in range(args.start_epoch, args.epochs):
         train_sampler.set_epoch(epoch)
@@ -125,7 +127,8 @@ def gpu_worker(local_rank, args):
         scheduler.step(val_loss)
 
         if args.rank == 0:
-            args.logger.close()
+            print(end='', flush=True)
+            args.logger.flush()
 
             state = {
                 'epoch': epoch + 1,
diff --git a/scripts/dis2dis-test.slurm b/scripts/dis2dis-test.slurm
index 65a71fb..597e4ca 100644
--- a/scripts/dis2dis-test.slurm
+++ b/scripts/dis2dis-test.slurm
@@ -15,10 +15,7 @@
 hostname; pwd; date
 
 
-module load gcc openmpi2
-module load cuda/10.1.243_418.87.00 cudnn/v7.6.2-cuda-10.1
-
-source $HOME/anaconda3/bin/activate torch
+module load gcc python3
 
 
 export OMP_NUM_THREADS=$SLURM_CPUS_ON_NODE
@@ -37,7 +34,7 @@ in_files="$files"
 tgt_files="$files"
 
 
-srun m2m.py test \
+m2m.py test \
     --test-in-patterns "$data_root_dir/$in_dir/$test_dirs/$in_files" \
     --test-tgt-patterns "$data_root_dir/$tgt_dir/$test_dirs/$tgt_files" \
     --in-channels 3 --out-channels 3 --norms cosmology.dis \
diff --git a/scripts/dis2dis.slurm b/scripts/dis2dis.slurm
index cc347af..4e98ad9 100644
--- a/scripts/dis2dis.slurm
+++ b/scripts/dis2dis.slurm
@@ -17,10 +17,7 @@
 hostname; pwd; date
 
 
-module load gcc openmpi2
-module load cuda/10.1.243_418.87.00 cudnn/v7.6.2-cuda-10.1
-
-source $HOME/anaconda3/bin/activate torch
+module load gcc python3
 
 
 export MASTER_ADDR=$HOSTNAME
diff --git a/scripts/vel2vel-test.slurm b/scripts/vel2vel-test.slurm
index c6486fb..b3c6305 100644
--- a/scripts/vel2vel-test.slurm
+++ b/scripts/vel2vel-test.slurm
@@ -15,10 +15,7 @@
 hostname; pwd; date
 
 
-module load gcc openmpi2
-module load cuda/10.1.243_418.87.00 cudnn/v7.6.2-cuda-10.1
-
-source $HOME/anaconda3/bin/activate torch
+module load gcc python3
 
 
 export OMP_NUM_THREADS=$SLURM_CPUS_ON_NODE
@@ -37,7 +34,7 @@ in_files="$files"
 tgt_files="$files"
 
 
-srun m2m.py test \
+m2m.py test \
     --test-in-patterns "$data_root_dir/$in_dir/$test_dirs/$in_files" \
     --test-tgt-patterns "$data_root_dir/$tgt_dir/$test_dirs/$tgt_files" \
     --in-channels 3 --out-channels 3 --norms cosmology.vel \
diff --git a/scripts/vel2vel.slurm b/scripts/vel2vel.slurm
index 30cfe0c..9849c5e 100644
--- a/scripts/vel2vel.slurm
+++ b/scripts/vel2vel.slurm
@@ -17,10 +17,7 @@
 hostname; pwd; date
 
 
-module load gcc openmpi2
-module load cuda/10.1.243_418.87.00 cudnn/v7.6.2-cuda-10.1
-
-source $HOME/anaconda3/bin/activate torch
+module load gcc python3
 
 
 export MASTER_ADDR=$HOSTNAME
diff --git a/setup.py b/setup.py
index 7e3647f..d5e6a11 100644
--- a/setup.py
+++ b/setup.py
@@ -5,11 +5,11 @@ setup(
     name='map2map',
     version='0.0',
     description='Neural network emulators to transform field data',
-    author='Yin Li',
+    author='Yin Li et al.',
     author_email='eelregit@gmail.com',
     packages=find_packages(),
     install_requires=[
-        'torch',
+        'torch==1.1',
         'numpy',
         'scipy',
         'tensorboard',