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serverAppConfigs/old/scripts/validate-vllm.sh
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#!/usr/bin/env bash
set -euo pipefail
HOST="127.0.0.1"
PORT=8001
MODEL="frank-default-small"
# Different prompts for each test to avoid prefix caching
PROMPT1="Explain the difference between supervised, unsupervised, and reinforcement learning in machine learning. For each type, provide a concrete real-world example, describe the training process, and discuss the advantages and limitations."
PROMPT2="Describe the architectural differences between RISC-V and x86 instruction set architectures. Include a discussion of register files, addressing modes, and instruction encoding. Compare their performance for embedded systems and server workloads."
PROMPT3="Analyze the economic impact of blockchain technology on supply chain management. Discuss the key benefits of transparency, immutability, and smart contracts. Compare implementation challenges of Bitcoin, Ethereum, and Hyperledger for enterprise use cases."
PROMPT4="Explain the principles of evolutionary algorithms in artificial intelligence. Describe how genetic algorithms, genetic programming, and evolutionary strategies differ in their approach to problem solving. Compare their performance on optimization problems and neural network architecture search."
echo "=== Validating vLLM on ${HOST}:${PORT} ==="
# Test health endpoint
echo "Health check..."
if ! curl -sf "http://${HOST}:${PORT}/health" > /dev/null 2>&1; then
echo "FAIL: Health check failed"
exit 1
fi
# Test N streams sequentially (1, 2, 3, 4)
for NUM_STREAMS in 1 2 3 4; do
echo ""
echo "--- Testing ${NUM_STREAMS} stream(s) ---"
TMPDIR=$(mktemp -d)
START=$(date +%s%N)
for i in $(seq 1 $NUM_STREAMS); do
case $(( (i - 1) % 4 + 1 )) in
1) PROMPT="${PROMPT1}" ;;
2) PROMPT="${PROMPT2}" ;;
3) PROMPT="${PROMPT3}" ;;
4) PROMPT="${PROMPT4}" ;;
esac
curl -s -X POST "http://${HOST}:${PORT}/v1/chat/completions" \
-H "Content-Type: application/json" \
-d "{
\"model\": \"${MODEL}\",
\"messages\": [
{\"role\": \"user\", \"content\": \"${PROMPT}\"}
],
\"max_tokens\": 256
}" > "$TMPDIR/$i.json" &
done
wait
END=$(date +%s%N)
ELAPSED_MS=$(( (END - START) / 1000000 ))
# Calculate speed from the first stream's response
PROMPT_TOKENS=$(python3 -c "import json; print(json.load(open('$TMPDIR/1.json'))['usage']['prompt_tokens'])")
COMPLETION_TOKENS=$(python3 -c "import json; print(json.load(open('$TMPDIR/1.json'))['usage']['completion_tokens'])")
# Calculate speeds
PROMPT_SPEED=$(python3 -c "print(f'{${PROMPT_TOKENS}/${ELAPSED_MS}*1000:.2f}')")
COMPLETION_SPEED=$(python3 -c "print(f'{${COMPLETION_TOKENS}/${ELAPSED_MS}*1000:.2f}')")
echo " Elapsed: ${ELAPSED_MS}ms"
echo " Prompt tokens: ${PROMPT_TOKENS}"
echo " Prompt speed: ${PROMPT_SPEED} tok/s"
echo " Completion tokens: ${COMPLETION_TOKENS}"
echo " Completion speed: ${COMPLETION_SPEED} tok/s"
# Save results
echo "${NUM_STREAMS},${PROMPT_SPEED},${COMPLETION_SPEED},${ELAPSED_MS}" > "/tmp/vllm-${NUM_STREAMS}.csv"
# Clean up temp files
rm -rf "$TMPDIR"
done
echo ""
echo "=== Results Summary ==="
for n in 1 2 3 4; do
if [ -f "/tmp/vllm-${n}.csv" ]; then
IFS=',' read -r streams p_speed c_speed elapsed < "/tmp/vllm-${n}.csv"
echo " ${n} stream(s): ${p_speed} tok/s (prompt), ${c_speed} tok/s (completion) - ${elapsed}ms"
fi
done
# Check if single stream speed is >= 5 tok/s
SINGLE_SPEED=$(head -1 /tmp/vllm-1.csv | cut -d',' -f2)
python3 -c "import sys; sys.exit(0 if float('${SINGLE_SPEED}') >= 5 else 1)"
echo ""
echo "PASS: Validation successful"