diff --git a/runs/multinode.sh b/runs/multinode.sh
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+++ b/runs/multinode.sh
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+#!/bin/bash
+
+# Multi-node training script for distributed training across multiple servers.
+# Usage example for 2 nodes:
+# Node 0: MASTER_ADDR=10.0.0.1 NODE_RANK=0 NNODES=2 bash runs/multinode.sh
+# Node 1: MASTER_ADDR=10.0.0.1 NODE_RANK=1 NNODES=2 bash runs/multinode.sh
+
+export OMP_NUM_THREADS=1
+export NANOCHAT_BASE_DIR="$HOME/.cache/nanochat"
+mkdir -p $NANOCHAT_BASE_DIR
+
+# -----------------------------------------------------------------------------
+# NCCL Configuration (Critical for multi-node)
+# Force NCCL to use the correct network interface
+export NCCL_SOCKET_IFNAME=bond0
+# Optional: Enable debug logging to diagnose connection issues
+# export NCCL_DEBUG=INFO
+
+# -----------------------------------------------------------------------------
+# Multi-node Configuration
+MASTER_ADDR="${MASTER_ADDR:-localhost}"
+MASTER_PORT="${MASTER_PORT:-9321}"
+NNODES="${NNODES:-2}"
+NODE_RANK="${NODE_RANK:-0}"
+GPUS_PER_NODE="${GPUS_PER_NODE:-8}"
+
+# Function to handle kill signals
+cleanup() {
+    echo "Stopping script... Killing child processes."
+    # Kill the background dataset download if it exists
+    if [ -n "$DATASET_DOWNLOAD_PID" ]; then
+        kill $DATASET_DOWNLOAD_PID 2>/dev/null
+    fi
+    # Kill torchrun and other python processes started by this shell
+    pkill -P $$ 
+    exit 1
+}
+trap cleanup SIGINT SIGTERM
+
+echo "Starting node $NODE_RANK of $NNODES connected to $MASTER_ADDR:$MASTER_PORT using $GPUS_PER_NODE GPUs."
+
+# -----------------------------------------------------------------------------
+# Setup
+command -v uv &> /dev/null || curl -LsSf https://astral.sh/uv/install.sh | sh
+[ -d ".venv" ] || uv venv
+uv sync --extra gpu
+source .venv/bin/activate
+
+if [ -z "$WANDB_RUN" ]; then
+    WANDB_RUN=dummy
+fi
+
+# -----------------------------------------------------------------------------
+# Data Preparation (Runs on all nodes to ensure local data availability)
+# If using a shared filesystem, you might want to wrap this in: if [ "$NODE_RANK" == "0" ]; then ... fi
+
+if [ "$NODE_RANK" == "0" ]; then
+    python -m nanochat.report reset
+fi
+
+# Download initial data
+python -m nanochat.dataset -n 8
+
+# Download rest in background
+echo "[$(date)] Starting background dataset download..."
+python -m nanochat.dataset -n 370 &
+DATASET_DOWNLOAD_PID=$!
+echo "[$(date)] Dataset download PID: $DATASET_DOWNLOAD_PID"
+
+# Train tokenizer (might be redundant on workers but ensures consistency)
+python -m scripts.tok_train
+python -m scripts.tok_eval
+
+echo "[$(date)] Checking download status before waiting..."
+if kill -0 $DATASET_DOWNLOAD_PID 2>/dev/null; then
+    echo "Process $DATASET_DOWNLOAD_PID is still active."
+    echo "Parquet files found so far: $(ls $NANOCHAT_BASE_DIR/base_data/*.parquet 2>/dev/null | wc -l)"
+else
+    echo "Process $DATASET_DOWNLOAD_PID has already finished."
+fi
+
+echo "Waiting for dataset download..."
+wait $DATASET_DOWNLOAD_PID
+echo "[$(date)] Dataset download completed/verified."
+
+# -----------------------------------------------------------------------------
+# Distributed Training
+# Using pre-defined distributed args instead of --standalone
+
+torchrun \
+    --nproc_per_node=$GPUS_PER_NODE \
+    --nnodes=$NNODES \
+    --node_rank=$NODE_RANK \
+    --master_addr=$MASTER_ADDR \
+    --master_port=$MASTER_PORT \
+    -m scripts.base_train -- \
+    --depth=26 \
+    --target-param-data-ratio=8.5 \
+    --device-batch-size=16 \
+    --fp8 \
+    --run=$WANDB_RUN
+
+# -----------------------------------------------------------------------------
+# Evaluation
+# Run eval on all nodes (distributed eval) or just master depending on implementation.
+# Typically eval is lightweight enough for just master or distributed parallel.
+# Assuming distributed eval support in base_eval:
+
+torchrun \
+    --nproc_per_node=$GPUS_PER_NODE \
+    --nnodes=$NNODES \
+    --node_rank=$NODE_RANK \
+    --master_addr=$MASTER_ADDR \
+    --master_port=$MASTER_PORT \
+    -m scripts.base_eval -- \
+    --device-batch-size=16
+
+# -----------------------------------------------------------------------------
+# SFT
+# SFT also benefits from distributed training
+
+curl -L -o $NANOCHAT_BASE_DIR/identity_conversations.jsonl https://karpathy-public.s3.us-west-2.amazonaws.com/identity_conversations.jsonl
+
+torchrun \
+    --nproc_per_node=$GPUS_PER_NODE \
+    --nnodes=$NNODES \
+    --node_rank=$NODE_RANK \
+    --master_addr=$MASTER_ADDR \
+    --master_port=$MASTER_PORT \
+    -m scripts.chat_sft -- \
+    --device-batch-size=16 \
+    --run=$WANDB_RUN
+
+torchrun \
+    --nproc_per_node=$GPUS_PER_NODE \
+    --nnodes=$NNODES \
+    --node_rank=$NODE_RANK \
+    --master_addr=$MASTER_ADDR \
+    --master_port=$MASTER_PORT \
+    -m scripts.chat_eval -- -i sft
+
+# -----------------------------------------------------------------------------
+# Report (Only Master)
+if [ "$NODE_RANK" == "0" ]; then
+    python -m nanochat.report generate
+fi