diff --git a/cli_evaluate.py b/cli_evaluate.py
index fc41a25..82e39d3 100755
--- a/cli_evaluate.py
+++ b/cli_evaluate.py
@@ -69,7 +69,7 @@
 parser.add_argument(
     "--use-gpu",
     type=lambda x: x.lower() in ("yes", "true", "t", "1"),
-    default=False,
+    default=True,
     help="whether to evaluate on a GPU device",
 )
 
diff --git a/doc/bootstrap.md b/doc/bootstrap.md
index 1a106b5..c1578c5 100644
--- a/doc/bootstrap.md
+++ b/doc/bootstrap.md
@@ -3,7 +3,7 @@
  - Form a team of three or four students
  - Configure the Science [VPN](https://wiki.cncz.science.ru.nl/Vpn) and connect to it
  - Make a [fork](./clone.md#forking-the-repository-on-scienceru-gitlab) of the repository on Science Gitlab to one of your team member's science account, and add the other team members
- - Log in to the [compute clusters](cluster.md) machine `slurm22.science.ru.nl`
+ - Log in to the [compute clusters](cluster.md) machine `cn84.science.ru.nl`
  - Set up an [ssh private/public key pair](clone.md#setting-up-an-ssh-key-in-order-to-clone-your-copy-of-the-repo) to access this cloned repository from the science cluster
  - [Clone](clone.md#cloning) your private Gitlab repository to the cluster
  - [Set up](clone.md#setting-up-links-and-virtual-environments-in-the-cluster) the environment on the cluster
diff --git a/doc/clone.md b/doc/clone.md
index 772d00e..8b02e90 100644
--- a/doc/clone.md
+++ b/doc/clone.md
@@ -63,7 +63,7 @@ You can repeat this process of adding an ssh-key for each computer from which yo
 
 ### Cloning
 
-Now, if you want to clone this repo to the cluster, log on to the cluster node `slurm22` (through VPN or via `lilo`).  If you want to clone to a local computer, open a local shell.  
+Now, if you want to clone this repo to the cluster, log on to the cluster node `cn84` (through VPN or via `lilo`).  If you want to clone to a local computer, open a local shell.  
 
 You can copy the exact URL for cloning by clicking the _Clone_ button on your own repository:
 
diff --git a/doc/cluster.md b/doc/cluster.md
index 5f5039d..4438005 100644
--- a/doc/cluster.md
+++ b/doc/cluster.md
@@ -2,7 +2,7 @@
 
 The data science group has a small compute cluster for educational use.  We are going to use this for the Speaker Recognition Challenge of the course [MLiP 2023](https://brightspace.ru.nl/d2l/home/333310).  
 
-The cluster consists of two _compute nodes_, lovingly named `cn47` and `cn48`, and a so-called _head node_, `slurm22`.  All these machines live in the domain `science.ru.nl`, so the head node's fully qualified name is `slurm22.science.ru.nl`.  
+The cluster consists of two _compute nodes_, lovingly named `cn47` and `cn48`, and a so-called _head node_, `cn84`.  All these machines live in the domain `science.ru.nl`, so the head node's fully qualified name is `cn84.science.ru.nl`.  
 
 Both compute nodes have the following specifications:
  - 8 Nvidia RTX 2080 Ti GPUs, with 11 GB memory
@@ -20,19 +20,19 @@ You need a [science account](https://wiki.cncz.science.ru.nl/Nieuwe_studenten#.5
 
 These nodes are not directly accessible from the internet, in on order to reach these machines you need to either
  - use the science.ru [VPN](https://wiki.cncz.science.ru.nl/Vpn)
-   - you have direct access to `slurm22`, this is somewhat easier with copying through `scp` and `rsync`, remote editing, etc.
+   - you have direct access to `cn84`, this is somewhat easier with copying through `scp` and `rsync`, remote editing, etc.
    - ```
-     local+vpn$ ssh $SCIENCE_USERNAME@slurm22.science.ru.nl
+     local+vpn$ ssh $SCIENCE_USERNAME@cn84.science.ru.nl
      ```
  - login through the machine `lilo.science.ru.nl`
    - The preferred way is to use the `ProxyJump` option of ssh:
         ```
-        local$ ssh -J $SCIENCE_USERNAME@lilo.science.ru.nl $SCIENCE_USERNAME@slurm22.science.ru.nl
+        local$ ssh -J $SCIENCE_USERNAME@lilo.science.ru.nl $SCIENCE_USERNAME@cn84.science.ru.nl
         ```
    - Alternatively, you can login in two steps. In case you have to transport files, please be reminded only your (small) home filesystem `~` is available on `lilo`. 
      ```
        local$ ssh $SCIENCE_USERNAME@lilo.science.ru.nl
-       lilo7$ ssh slurm22
+       lilo7$ ssh cn84
      ```
 
 Either way, you will be working through a secure-shell connection, so you must have a `ssh` client on your local laptop/computer.  
@@ -71,7 +71,7 @@ It is possible to ask for an interactive shell to one of the compute nodes.  Thi
 srun --pty --partition csedu --gres gpu:1 /bin/bash
 hostname ## we're on cn47 or cn48
 nvidia-smi ## it appears there is 1 GPU available in this machine
-exit ## make the slot available again, exit to slurm22 again
+exit ## make the slot available again, exit to cn84 again
 ```
 In general, we would advice not to use the interactive shell option, as described here, with a GPU and all, unless you need to just do a quick check in a situation where a GPU is required.  
 
diff --git a/doc/honour-code.md b/doc/honour-code.md
index 44bb8f4..aa3fcc5 100644
--- a/doc/honour-code.md
+++ b/doc/honour-code.md
@@ -29,11 +29,10 @@ We want every group to be able to use GPU resources provided in the CSEDU comput
   * If you have evidence that you need to train for longer than 12 hours, be fair, and restrict your usage afterwards.
   * If you train for longer than 12 hours, make sure that you can argue why this was necessary.
 * Use sharded data loading (as implemented in [TinyVoxcelebDataModule](../skeleton/data/tiny_voxceleb.py)), rather than individual file access, wherever you can, to prevent high i/o loads on the network file system.
-* Do not run any long-running foreground tasks on the `slurm22` head node.
-  * The `slurm22` node should only be used to schedule SLURM jobs
-  * An example of short-running foreground tasks with are OK to run on `slurm22`: manipulation of file-system with `rsync` or `cp`, using `git`, using `srun` or `sbatch`.
+* Do not run any long-running foreground tasks on the `cn84` head node.
+  * The `cn84` node should only be used to schedule SLURM jobs
+  * An example of short-running foreground tasks with are OK to run on `cn84`: manipulation of file-system with `nano`, `rsync` or `cp`, using `git`, using `tmux`, using `srun` or `sbatch`.
   * Example of tasks with which should be submitted as a job: offline data augmentation, compiling a large software project.
-  * Do not connect to `slurm22` with remote-development features in IDE's like Visual Studio Code and Pycharm.
 * Whenever you're using the cluster, use your judgement to make sure that everyone can have access.
 
 ## Other rules related to proper evaluation
diff --git a/scripts/download_data.sh b/scripts/download_data.sh
index 8f1c0c6..e5bad27 100755
--- a/scripts/download_data.sh
+++ b/scripts/download_data.sh
@@ -16,7 +16,7 @@ mkdir -p "$DATA_FOLDER"
 
 # rsync data from cluster to the local data folder
 USERNAME=your_username
-rsync -P "$SCIENCE_USERNAME"@slurm22.science.ru.nl:/ceph/csedu-scratch/course/IMC030_MLIP/data/data.zip "$DATA_FOLDER"/data.zip
+rsync -P "$SCIENCE_USERNAME"@cn84.science.ru.nl:/ceph/csedu-scratch/course/IMC030_MLIP/data/data.zip "$DATA_FOLDER"/data.zip
 
 # now you can unzip, by doing:
 # unzip "$DATA_FOLDER"/data.zip $DATA_FOLDER
diff --git a/scripts/download_remote_logs.sh b/scripts/download_remote_logs.sh
index 64ec61b..a234e39 100755
--- a/scripts/download_remote_logs.sh
+++ b/scripts/download_remote_logs.sh
@@ -15,4 +15,4 @@ fi
 mkdir -p "$DATA_FOLDER"
 
 # rsync remote logs
-rsync -azP "$SCIENCE_USERNAME"@slurm22.science.ru.nl:/ceph/csedu-scratch/course/IMC030_MLIP/users/"$SCIENCE_USERNAME"/ "$DATA_FOLDER"
\ No newline at end of file
+rsync -azP "$SCIENCE_USERNAME"@cn84.science.ru.nl:/ceph/csedu-scratch/course/IMC030_MLIP/users/"$SCIENCE_USERNAME"/ "$DATA_FOLDER"
\ No newline at end of file
diff --git a/scripts/prepare_cluster.sh b/scripts/prepare_cluster.sh
index e905031..a28dcb0 100755
--- a/scripts/prepare_cluster.sh
+++ b/scripts/prepare_cluster.sh
@@ -1,6 +1,11 @@
 #! /usr/bin/env bash
 set -e
 
+# only run this script on cn84
+if [[ "$HOSTNAME" != "cn84" ]]; then
+  echo "prepare_cluster.sh should only be run on cn84"
+fi
+
 # set variable to path where this script is
 SCRIPT_DIR="$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
 cd "$SCRIPT_DIR" || exit 1
@@ -12,68 +17,38 @@ mkdir -p "$CEPH_USER_DIR"/slurm
 chmod 700 "$CEPH_USER_DIR" # only you can access
 ln -sfn "$CEPH_USER_DIR" "$SCRIPT_DIR"/../logs
 
-# place `~/.cache`, and optionally `~/.local`, in the ceph user directory in order to
-# save disk space in $HOME folder
-function setup_link {
-  dest_path=$1
-  link_path=$2
-
-  if [ -L "${link_path}" ] ; then
-    # link_path exists as a link
-    if [ -e "${link_path}" ] ; then
-      # and works
-      echo "link at $link_path is already setup"
-    else
-      # but is broken
-      echo "link $link_path is broken... Does $dest_path exists?"
-      return 1
-    fi
-  elif [ -e "${link_path}" ] ; then
-    # link_path exists, but is not a link
-    mkdir -p "$dest_path"
-    echo "moving all data in $link_path to $dest_path"
-    mv "$link_path"/* "$dest_path"/
-    rmdir "$link_path"
-    ln -s "$dest_path" "$link_path"
-    echo "created link $link_path to $dest_path"
-  else
-    # link_path does not exist
-    mkdir -p "$dest_path"
-    ln -s "$dest_path" "$link_path"
-
-    echo "created link $link_path to $dest_path"
-  fi
-
-  return 0
-}
-
-# .local is probably not necessary
-# setup_link "$CEPH_USER_DIR"/.local ~/.local
-setup_link "$CEPH_USER_DIR"/.cache ~/.cache
-
 # make a symlink to the data in order to directly access it from the root of the project
 ln -sfn /ceph/csedu-scratch/course/IMC030_MLIP/data "$SCRIPT_DIR"/../data
 
+# if .cache or .local is a symlink, remove it
+# this is temporary for students of MLIP 2023
+if [[ -L "$HOME/.cache" ]]; then
+  rm "$HOME"/.cache
+fi
+if [[ -L "$HOME/.local" ]]; then
+  rm "$HOME"/.cache
+fi
+
+# make sure pip doesn't cache results
+if ! grep -q "export PIP_NO_CACHE_DIR=" ~/.profile ; then
+{
+echo ""
+echo "### disable pip caching downloads"
+echo "export PIP_NO_CACHE_DIR=off"
+} >> ~/.profile
+fi
+
 # set up a virtual environment located at
 # /scratch/$USER/virtual_environments/tiny-voxceleb-venv
 # and make a symlink to the virtual environment
 # at the root directory of this project called "venv"
-# uncommented this if you need the venv on the head node (but no space on slurm22)
-# echo "### SETTING UP VIRTUAL ENVIRONMENT ON SLURM22 ###"
+# uncomment this if you need a virtual environment on cn84
 # ./setup_virtual_environment.sh
 
 # make sure that there's also a virtual environment
 # on the GPU nodes
 echo "### SETTING UP VIRTUAL ENVIRONMENT ON CN47 ###"
-ssh cn47 "
-  source .profile
-  cd $PWD;
-  ./setup_virtual_environment.sh
-"
+srun -p csedu-prio -A cseduimc030 -q csedu-small -w cn47 ./setup_virtual_environment.sh
 
 echo "### SETTING UP VIRTUAL ENVIRONMENT ON CN48 ###"
-ssh cn48 "
-  source .profile
-  cd $PWD;
-  ./setup_virtual_environment.sh
-"
+srun -p csedu-prio -A cseduimc030 -q csedu-small -w cn48 ./setup_virtual_environment.sh
diff --git a/scripts/setup_virtual_environment.sh b/scripts/setup_virtual_environment.sh
index 40551af..116eecc 100755
--- a/scripts/setup_virtual_environment.sh
+++ b/scripts/setup_virtual_environment.sh
@@ -12,10 +12,12 @@ PROJECT_DIR="$(dirname "$SCRIPT_DIR")"
 # We make sure a valid directory to store virtual environments exists
 # under the path /scratch/YOUR_USERNAME/virtual_environments
 #
-# If you call this script on your local computer (e.g, hostname != slurm22, cn47 or cn48)
+# If you call this script on your local computer (e.g, hostname != cn84, cn47 or cn48)
 # the virtual environment will just be created in the root directory of this project.
-
-if [[ "$HOSTNAME" != "slurm"* && "$HOSTNAME" != "cn"* ]]; then
+if [[  "$HOSTNAME" == "slurm"* ]]; then
+  echo "don't run this script on slurm22"
+  return 1 2> /dev/null || exit 1
+elif [[ "$HOSTNAME" != "cn"* ]]; then
   VENV_DIR=$PROJECT_DIR/venv
 else
   VENV_DIR=/scratch/$USER/virtual_environments/tiny-voxceleb-venv
@@ -35,5 +37,6 @@ fi
 
 # install the dependencies
 source "$VENV_DIR"/bin/activate
-python3 -m pip install --upgrade pip
-python3 -m pip install -r "$PROJECT_DIR"/requirements.txt
+PIP_NO_CACHE_DIR=off python3 -m pip install --upgrade pip
+PIP_NO_CACHE_DIR=off python3 -m pip install wheel
+PIP_NO_CACHE_DIR=off python3 -m pip install -r "$PROJECT_DIR"/requirements.txt
diff --git a/skeleton/evaluation/evaluation.py b/skeleton/evaluation/evaluation.py
index 4733750..53797c1 100644
--- a/skeleton/evaluation/evaluation.py
+++ b/skeleton/evaluation/evaluation.py
@@ -83,7 +83,7 @@ def load_evaluation_pairs(file_path: pathlib.Path):
 # implementation of evalauting a trial list with cosine-distance
 
 
-def evaluate_speaker_trails(
+def evaluate_speaker_trials(
     trials: List[EvaluationPair],
     embeddings: List[EmbeddingSample],
     skip_eer: bool = False,