diff --git a/only_for_me/narval/finetune.py b/only_for_me/narval/finetune.py
index f56db02f..e4bf8580 100644
--- a/only_for_me/narval/finetune.py
+++ b/only_for_me/narval/finetune.py
@@ -2,6 +2,8 @@
 import os
 import shutil
 
+from pytorch_lightning.loggers import WandbLogger
+
 from zoobot.pytorch.training import finetune
 from galaxy_datasets import galaxy_mnist
 from galaxy_datasets.pytorch.galaxy_datamodule import GalaxyDataModule
@@ -19,9 +21,10 @@
     # logging.info(glob.glob(os.path.join(os.environ['SLURM_TMPDIR'], 'walml/finetune/data/galaxy_mnist')))
 
     import torch
+    torch.set_float32_matmul_precision('medium')
     assert torch.cuda.is_available()
 
-    batch_size = 128
+    batch_size = 256
     num_workers= 8
     n_blocks = 1  # EffnetB0 is divided into 7 blocks. set 0 to only fit the head weights. Set 1, 2, etc to finetune deeper. 
     max_epochs = 6  #  6 epochs should get you ~93% accuracy. Set much higher (e.g. 1000) for harder problems, to use Zoobot's default early stopping. \
@@ -36,6 +39,8 @@
     # load a pretrained checkpoint saved here
     # rsync -avz --no-g --no-p /home/walml/repos/zoobot/data/pretrained_models/pytorch/effnetb0_greyscale_224px.ckpt walml@narval.alliancecan.ca:/project/def-bovy/walml/zoobot/data/pretrained_models/pytorch
     checkpoint_loc = '/project/def-bovy/walml/zoobot/data/pretrained_models/pytorch/effnetb0_greyscale_224px.ckpt'
+
+    logger = WandbLogger(name='debug', save_dir='/project/def-bovy/walml/wandb/debug', project='narval', log_model=False, offline=True)
     
     datamodule = GalaxyDataModule(
       label_cols=label_cols,
@@ -49,6 +54,14 @@
       num_classes=num_classes,
       n_blocks=n_blocks
     )
-    trainer = finetune.get_trainer(os.path.join(os.environ['SLURM_TMPDIR'], 'walml/finetune/checkpoints'), accelerator='auto', max_epochs=max_epochs)
+    trainer = finetune.get_trainer(
+        os.path.join(os.environ['SLURM_TMPDIR'], 'walml/finetune/checkpoints'),
+        accelerator='gpu',
+        devices=2,
+        strategy='ddp',
+        precision='16-mixed',
+        max_epochs=max_epochs,
+        logger=logger
+      )
     trainer.fit(model, datamodule)
-    trainer.test(model, datamodule)
+    # trainer.test(model, datamodule)
diff --git a/only_for_me/narval/finetune.sh b/only_for_me/narval/finetune.sh
index e2cc3278..8f076053 100644
--- a/only_for_me/narval/finetune.sh
+++ b/only_for_me/narval/finetune.sh
@@ -1,9 +1,15 @@
 #!/bin/bash
-#SBATCH --mem=16G
+#SBATCH --mem=32G
 #SBATCH --nodes=1
-#SBATCH --ntasks-per-node=8
-#SBATCH --time=0:15:0      
-#SBATCH --gres=gpu:a100:1
+#SBATCH --time=0:10:0  
+#SBATCH --ntasks-per-node=16
+#SBATCH --gres=gpu:a100:2
+
+#### SBATCH --mem=16G
+#### SBATCH --nodes=1
+#### SBATCH --time=0:10:0  
+#### SBATCH --ntasks-per-node=8
+#### SBATCH --gres=gpu:a100:1
 
 #### SBATCH --mail-user=<youremail@gmail.com>
 #### SBATCH --mail-type=ALL
@@ -22,6 +28,10 @@ cp -r /project/def-bovy/walml/data/roots/galaxy_mnist $SLURM_TMPDIR/walml/finetu
 
 ls $SLURM_TMPDIR/walml/finetune/data/galaxy_mnist
 
+pip install --no-index wandb
+
+wandb offline  # only write metadata locally
+
 $PYTHON /project/def-bovy/walml/zoobot/only_for_me/narval/finetune.py
 
 ls $SLURM_TMPDIR/walml/finetune/checkpoints