Update validation script to test parallel streams (4 concurrent requests)

This commit is contained in:
Frank
2026-08-08 00:30:08 -07:00
parent 9971bdef0f
commit 0f97dcf449
+70 -78
View File
@@ -1,93 +1,85 @@
#!/usr/bin/env bash
# End-to-end validation test for vLLM Qwen3.6-35B-A3B-FP8 on dankserver
# Sends a chat completion request and measures prompt processing speed
# End-to-end validation test for vLLM Qwen3.6-35B-A3B-FP8
# Tests single stream and 4 parallel streams
set -euo pipefail
PORT="${PORT:-8000}"
HOST="${HOST:-127.0.0.1}"
URL="http://${HOST}:${PORT}"
MIN_SPEED="${MIN_SPEED:-5.0}"
MAX_TOKENS="${MAX_TOKENS:-256}"
HOST="${1:-127.0.0.1}"
PORT="${2:-8001}"
NUM_STREAMS=4
echo "=== vLLM Validation Test ==="
echo "Target: ${URL}"
echo "Min prompt speed: ${MIN_SPEED} tok/s"
echo ""
echo "=== Validating vLLM on ${HOST}:${PORT} ==="
# Wait for server to be ready
echo "Waiting for server..."
for i in $(seq 1 300); do
if curl -sf "${URL}/health" > /dev/null 2>&1; then
echo "Server ready after $((i * 2))s"
break
fi
if [ "$i" -eq 300 ]; then
echo "FAIL: Server did not become ready in 600s"
# 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
sleep 2
done
# Send chat completion and measure prompt processing speed
echo ""
echo "--- Sending validation prompt ---"
RESPONSE=$(curl -s -X POST "${URL}/v1/chat/completions" \
# Single stream test
echo "Single stream test..."
START=$(date +%s%N)
RESPONSE=$(curl -s -X POST "http://${HOST}:${PORT}/v1/chat/completions" \
-H "Content-Type: application/json" \
-d "{
\"model\": \"frank-default-large\",
\"messages\": [
{\"role\": \"user\", \"content\": \"Explain the difference between supervised learning and unsupervised learning in two sentences.\"}
-d '{
"model": "Qwen/Qwen3.6-35B-A3B-FP8",
"messages": [
{"role": "user", "content": "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. Then compare them across three dimensions: data requirements, interpretability of results, and computational cost. Finally, describe a hybrid scenario where combining two of these approaches would outperform using either alone."}
],
\"max_tokens\": ${MAX_TOKENS}
}")
"max_tokens": 256
}')
END=$(date +%s%N)
ELAPSED_MS=$(( (END - START) / 1000000 ))
PROMPT_TOKENS=$(echo "$RESPONSE" | python3 -c "import sys,json; print(json.load(sys.stdin)['usage']['prompt_tokens'])")
COMPLETION_TOKENS=$(echo "$RESPONSE" | python3 -c "import sys,json; print(json.load(sys.stdin)['usage']['completion_tokens'])")
SINGLE_SPEED=$(python3 -c "print(f'{${PROMPT_TOKENS}/${ELAPSED_MS}*1000:.2f}')")
echo "Single stream: ${SINGLE_SPEED} tok/s (prompt)"
echo "Response received."
echo ""
# Parallel streams test
echo "Parallel streams test (${NUM_STREAMS} streams)..."
START=$(date +%s%N)
TMPDIR=$(mktemp -d)
for i in $(seq 1 $NUM_STREAMS); do
curl -s -X POST "http://${HOST}:${PORT}/v1/chat/completions" \
-H "Content-Type: application/json" \
-d '{
"model": "Qwen/Qwen3.6-35B-A3B-FP8",
"messages": [
{"role": "user", "content": "Explain the difference between supervised, unsupervised, and reinforcement learning in machine learning. For each type, provide a concrete real-world example, describe the training process, and discuss the advantages and limitations. Then compare them across three dimensions: data requirements, interpretability of results, and computational cost. Finally, describe a hybrid scenario where combining two of these approaches would outperform using either alone."}
],
"max_tokens": 256
}' > "$TMPDIR/$i.json" &
done
wait
END=$(date +%s%N)
ELAPSED_MS=$(( (END - START) / 1000000 ))
# Parse timing from response
echo "$RESPONSE" | python3 -c "
import sys, json
# Aggregate results from all streams
TOTAL_PROMPT=0
TOTAL_COMPLETION=0
for i in $(seq 1 $NUM_STREAMS); do
PT=$(python3 -c "import json; print(json.load(open('$TMPDIR/$i.json'))['usage']['prompt_tokens'])")
CT=$(python3 -c "import json; print(json.load(open('$TMPDIR/$i.json'))['usage']['completion_tokens'])")
TOTAL_PROMPT=$((TOTAL_PROMPT + PT))
TOTAL_COMPLETION=$((TOTAL_COMPLETION + CT))
done
rm -rf "$TMPDIR"
data = json.load(sys.stdin)
# Check for errors
if 'error' in data:
print(f'ERROR: {data[\"error\"]}')
sys.exit(1)
# Extract usage info
usage = data.get('usage', {})
prompt_tokens = usage.get('prompt_tokens', 0)
completion_tokens = usage.get('completion_tokens', 0)
print(f'Prompt tokens: {prompt_tokens}')
print(f'Completion tokens: {completion_tokens}')
# Extract timing details
prompt_details = usage.get('prompt_details', {})
if prompt_details:
prompt_time = prompt_details.get('total_time', 0)
speed = prompt_tokens / prompt_time if prompt_time > 0 else 0
print(f'Prompt time: {prompt_time:.4f}s')
print(f'Prompt speed: {speed:.1f} tok/s')
if speed < float('${MIN_SPEED}'):
print(f'FAIL: Speed {speed:.1f} tok/s < {\"${MIN_SPEED}\"} tok/s')
sys.exit(1)
else:
print(f'PASS: Speed {speed:.1f} tok/s >= {\"${MIN_SPEED}\"} tok/s')
else:
# Fallback: use total_time from usage
total_time = usage.get('total_time', 0)
if total_time > 0 and prompt_tokens > 0:
speed = prompt_tokens / total_time
print(f'Total time: {total_time:.4f}s')
print(f'Est. prompt speed: {speed:.1f} tok/s')
print('PASS (response received)')
else:
print('No timing details available')
print('PASS (response received)')
"
PARALLEL_SPEED=$(python3 -c "print(f'{${TOTAL_PROMPT}/${ELAPSED_MS}*1000:.2f}')")
echo ""
echo "=== Validation complete ==="
echo "=== Results ==="
echo "Single stream prompt speed: ${SINGLE_SPEED} tok/s"
echo "Parallel streams prompt speed: ${PARALLEL_SPEED} tok/s (${NUM_STREAMS} streams, ${TOTAL_PROMPT} total prompt tokens)"
echo "Parallel completion speed: $(python3 -c "print(f'{${TOTAL_COMPLETION}/${ELAPSED_MS}*1000:.2f}')") tok/s"
echo "Total parallel time: ${ELAPSED_MS}ms"
echo ""
# Fail if parallel speed < 5 tok/s
if python3 -c "import sys; sys.exit(0 if ${TOTAL_PROMPT}/${ELAPSED_MS}*1000 >= 5 else 1)"; then
echo "PASS: Validation successful"
echo "$PARALLEL_SPEED" > /tmp/vllm_prompt_speed.txt
else
echo "FAIL: Parallel prompt speed ${PARALLEL_SPEED} tok/s is below 5 tok/s threshold"
exit 1
fi