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add more metrics #245

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add more metrics #245

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03f9ee1
add moree metrics
Yunnglin Dec 16, 2024
4ccc67d
fix lint
Yunnglin Dec 16, 2024
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139 changes: 74 additions & 65 deletions docs/en/user_guides/stress_test/quick_start.md
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Expand Up @@ -63,74 +63,83 @@ Parameter Descriptions:
### Output Results
```text
Benchmarking summary:
+----------------------------------------------+------------------------------------------------+
| key | Value |
+==============================================+================================================+
| Time taken for tests (seconds) | 7.539 |
+----------------------------------------------+------------------------------------------------+
| Number of concurrency | 1 |
+----------------------------------------------+------------------------------------------------+
| Total requests | 15 |
+----------------------------------------------+------------------------------------------------+
| Succeeded requests | 15 |
+----------------------------------------------+------------------------------------------------+
| Failed requests | 0 |
+----------------------------------------------+------------------------------------------------+
| Average QPS | 1.99 |
+----------------------------------------------+------------------------------------------------+
| Average latency | 0.492 |
+----------------------------------------------+------------------------------------------------+
| Average time to first token | 0.026 |
+----------------------------------------------+------------------------------------------------+
| Throughput (average output tokens per second) | 334.006 |
+----------------------------------------------+------------------------------------------------+
| Average time per output token | 0.00299 |
+----------------------------------------------+------------------------------------------------+
| Average package per request | 167.867 |
+----------------------------------------------+------------------------------------------------+
| Average package latency | 0.003 |
+----------------------------------------------+------------------------------------------------+
| Average input tokens per request | 40.133 |
+----------------------------------------------+------------------------------------------------+
| Average output tokens per request | 167.867 |
+----------------------------------------------+------------------------------------------------+
| Expected number of requests | 15 |
+----------------------------------------------+------------------------------------------------+
| Result DB path | ./outputs/qwen2.5_benchmark_20241107_201413.db |
+----------------------------------------------+------------------------------------------------+
+-----------------------------------+-----------------------------------------------------+
| Key | Value |
+===================================+=====================================================+
| Time taken for tests (s) | 10.739 |
+-----------------------------------+-----------------------------------------------------+
| Number of concurrency | 1 |
+-----------------------------------+-----------------------------------------------------+
| Total requests | 15 |
+-----------------------------------+-----------------------------------------------------+
| Succeed requests | 15 |
+-----------------------------------+-----------------------------------------------------+
| Failed requests | 0 |
+-----------------------------------+-----------------------------------------------------+
| Throughput(average tokens/s) | 324.059 |
+-----------------------------------+-----------------------------------------------------+
| Average QPS | 1.397 |
+-----------------------------------+-----------------------------------------------------+
| Average latency (s) | 0.696 |
+-----------------------------------+-----------------------------------------------------+
| Average time to first token (s) | 0.029 |
+-----------------------------------+-----------------------------------------------------+
| Average time per output token (s) | 0.00309 |
+-----------------------------------+-----------------------------------------------------+
| Average input tokens per request | 50.133 |
+-----------------------------------+-----------------------------------------------------+
| Average output tokens per request | 232.0 |
+-----------------------------------+-----------------------------------------------------+
| Average package latency (s) | 0.003 |
+-----------------------------------+-----------------------------------------------------+
| Average package per request | 232.0 |
+-----------------------------------+-----------------------------------------------------+
| Expected number of requests | 15 |
+-----------------------------------+-----------------------------------------------------+
| Result DB path | ./outputs/20241216_194204/qwen2.5/benchmark_data.db |
+-----------------------------------+-----------------------------------------------------+

Percentile results:
+------------+---------------------+---------+
| Percentile | First Chunk Latency | Latency |
+------------+---------------------+---------+
| 10% | 0.0178 | 0.1577 |
| 25% | 0.0183 | 0.2358 |
| 50% | 0.0199 | 0.4311 |
| 66% | 0.0218 | 0.6317 |
| 75% | 0.0429 | 0.7121 |
| 80% | 0.0432 | 0.7957 |
| 90% | 0.0432 | 0.9153 |
| 95% | 0.0433 | 0.9897 |
| 98% | 0.0433 | 0.9897 |
| 99% | 0.0433 | 0.9897 |
+------------+---------------------+---------+
+------------+----------+----------+-------------+--------------+---------------+----------------------+
| Percentile | TTFT (s) | TPOT (s) | Latency (s) | Input tokens | Output tokens | Throughput(tokens/s) |
+------------+----------+----------+-------------+--------------+---------------+----------------------+
| 10% | 0.0202 | 0.0027 | 0.1846 | 41 | 50 | 270.8324 |
| 25% | 0.0209 | 0.0028 | 0.2861 | 44 | 83 | 290.0714 |
| 50% | 0.0233 | 0.0028 | 0.7293 | 49 | 250 | 335.644 |
| 66% | 0.0267 | 0.0029 | 0.9052 | 50 | 308 | 340.2603 |
| 75% | 0.0437 | 0.0029 | 0.9683 | 53 | 325 | 341.947 |
| 80% | 0.0438 | 0.003 | 1.0799 | 58 | 376 | 342.7985 |
| 90% | 0.0439 | 0.0032 | 1.2474 | 62 | 424 | 345.5268 |
| 95% | 0.0463 | 0.0033 | 1.3038 | 66 | 431 | 348.1648 |
| 98% | 0.0463 | 0.0035 | 1.3038 | 66 | 431 | 348.1648 |
| 99% | 0.0463 | 0.0037 | 1.3038 | 66 | 431 | 348.1648 |
+------------+----------+----------+-------------+--------------+---------------+----------------------+
```

### Metric Descriptions

| **Metric** | **Description** | **Value** |
|------------------------------------------|---------------------------------|-----------------|
| Total requests | Total number of requests | 15 |
| Succeeded requests | Number of successful requests | 15 |
| Failed requests | Number of failed requests | 0 |
| Average QPS | Average requests per second | 1.99 |
| Average latency | Average latency for all requests| 0.492 |
| Throughput (average output tokens per second) | Average output tokens per second| 334.006 |
| Average time to first token | Average delay for the first token| 0.026 |
| Average input tokens per request | Average number of input tokens per request | 40.133 |
| Average output tokens per request | Average number of output tokens per request | 167.867 |
| Average time per output token | Average time for each output token | 0.00299 |
| Average package per request | Average number of packages per request | 167.867 |
| Average package latency | Average latency for each package| 0.003 |
| Percentile of time to first token (p10, ..., p99) | Percentiles for the first token latency | |
| Percentile of request latency (p10, ..., p99) | Percentiles for request latency | |
| Metric | Description |
|--------------------------------------|-------------------------------------------------------------------------------------------|
| Time taken for tests (s) | Time used for tests (seconds) |
| Number of concurrency | Number of concurrent requests |
| Total requests | Total number of requests |
| Succeed requests | Number of successful requests |
| Failed requests | Number of failed requests |
| Throughput (average tokens/s) | Throughput (average number of tokens processed per second) |
| Average QPS | Average number of queries per second (Queries Per Second) |
| Average latency (s) | Average latency time (seconds) |
| Average time to first token (s) | Average time to first token (seconds) |
| Average time per output token (s) | Average time per output token (seconds) |
| Average input tokens per request | Average number of input tokens per request |
| Average output tokens per request | Average number of output tokens per request |
| Average package latency (s) | Average package latency time (seconds) |
| Average package per request | Average number of packages per request |
| Expected number of requests | Expected number of requests |
| Result DB path | Result database path |
| **Percentile** | **Data is divided into 100 equal parts, and the nth percentile indicates that n% of the data points are below this value** |
| TTFT (s) | Time to First Token, the time to generate the first token |
| TPOT (s) | Time Per Output Token, the time to generate each output token |
| Latency (s) | Latency time, the time between request and response |
| Input tokens | Number of input tokens |
| Output tokens | Number of output tokens |
| Throughput (tokens/s) | Throughput, the number of tokens processed per second |
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