Initial project setup: J-lens implementation for nanoGPT

- Core J-lens computation (batched per-layer, per-token gradient method)
- Project README with background and experiment plan
- Sync script for meru Docker container deployment
- Upstream nanoGPT model code copied to src/

Architecture: Computes d(log_p(token))/d(residual_stream) averaged
over corpus contexts, replicating Anthropic's Jacobian Lens technique.

1 files changed, 33 insertions, 0 deletions

diff --git a/sync_and_run.sh b/sync_and_run.sh
new file mode 100755
index 0000000..b716f32
--- /dev/null
+++ b/sync_and_run.sh
@@ -0,0 +1,33 @@
+#!/bin/bash
+# Sync code from voidlaptop to meru's jspace container and run commands
+# Usage: ./sync_and_run.sh [command or "shell"]
+
+set -e
+
+MACHINE="meru"
+CONTAINER="jspace-nanogpt"
+REMOTE_CODE="/mnt/appdata/jspace/code"
+LOCAL_PROJECT="$HOME/projects/jspace-nanogpt"
+
+echo "=== Syncing code to $MACHINE ==="
+rsync -avz --delete \
+    --exclude='upstream-nanogpt' \
+    --exclude='.git' \
+    --exclude='__pycache__' \
+    --exclude='*.pyc' \
+    --exclude='outputs/*' \
+    --exclude='data/*' \
+    "${LOCAL_PROJECT}/" \
+    "${MACHINE}:${REMOTE_CODE}/"
+
+if [ "$1" = "shell" ]; then
+    echo "=== Opening shell in container ==="
+    ssh -t "$MACHINE" "docker exec -it $CONTAINER bash"
+elif [ -n "$1" ]; then
+    echo "=== Running: $@ ==="
+    ssh "$MACHINE" "docker exec $CONTAINER bash -c 'cd /workspace/code && $*'"
+else
+    echo "=== Synced. No command specified. ==="
+    echo "Usage: $0 shell          # interactive bash"
+    echo "       $0 'command ...'  # run a command"
+fi