for benchmarking, use concurrent requests

lib/backend.py

@@ -280,41 +280,52 @@ class Backend:
                     return float(f.readline())
             except FileNotFoundError:
                 pass
+
+            log.debug("Initial run to trigger model loading...")
+            payload = self.benchmark_handler.make_benchmark_payload()
+            await self.__call_api(handler=self.benchmark_handler, payload=payload)
+
             max_throughput = 0
-            last_throughput = 0
             sum_throughput = 0
-            for run in range(self.benchmark_handler.benchmark_runs + 1):
+            concurrent_requests = 10 if self.allow_parallel_requests else 1
+
+            for run in range(1, self.benchmark_handler.benchmark_runs + 1):
                 start = time.time()
-                payload = self.benchmark_handler.make_benchmark_payload()
+                tasks = []
-                res = await self.__call_api(
+                total_workload = 0
-                    handler=self.benchmark_handler, payload=payload
+
-                )
+                for _ in range(concurrent_requests):
-                data = await res.json()
+                    payload = self.benchmark_handler.make_benchmark_payload()
-                time_elapsed = time.time() - start
+                    total_workload += payload.count_workload()
-                # first run triggers one-time loading of the model which is very slow, so we skip counting it
+                    tasks.append(
-                if run == 0:
+                        self.__call_api(handler=self.benchmark_handler, payload=payload)
-                    continue
-                else:
-                    workload = payload.count_workload()
-                    last_throughput = workload / time_elapsed
-                    sum_throughput += last_throughput
-                    max_throughput = max(max_throughput, last_throughput)
-                    log.debug(
-                        "\n".join(
-                            [
-                                "#" * 60,
-                                f"Run: {run}, workload: {workload} time_elapsed: {time_elapsed}, throughput: {last_throughput}",
-                                "",
-                                f"response: {data}",
-                                "#" * 60,
-                            ]
-                        )
                     )
+
+                responses = await gather(*tasks)
+                time_elapsed = time.time() - start
+
+                throughput = total_workload / time_elapsed
+                sum_throughput += throughput
+                max_throughput = max(max_throughput, throughput)
+
+                # Log results for debugging
+                log.debug(
+                    "\n".join(
+                        [
+                            "#" * 60,
+                            f"Run: {run}, concurrent_requests: {concurrent_requests}",
+                            f"Total workload: {total_workload}, time_elapsed: {time_elapsed}s",
+                            f"Throughput: {throughput} workload/s",
+                            f"Successful responses: {len([r for r in responses if r.status == 200])}",
+                            "#" * 60,
+                        ]
+                    )
+                )
+
             average_throughput = sum_throughput / self.benchmark_handler.benchmark_runs
             log.debug(
                 f"benchmark result: avg {average_throughput} workload per second, max {max_throughput}"
             )
-            # save max_throughput so we don't have to run benchmark again on restart of cold instances
             with open(BENCHMARK_INDICATOR_FILE, "w") as f:
                 f.write(str(max_throughput))
             return max_throughput

lib/test_utils.py

@@ -10,6 +10,7 @@ from collections import Counter
 from dataclasses import dataclass, field, asdict
 from urllib.parse import urljoin
 from utils.endpoint_util import Endpoint
+from utils.ssl import get_cert_file_path
 import requests
 
 from lib.data_types import AuthData, ApiPayload
@@ -120,9 +121,11 @@ class ClientState:
         self.url = worker_address
         url = urljoin(worker_address, self.worker_endpoint)
         self.status = ClientStatus.Generating
+
         response = requests.post(
             url,
             json=req_data,
+            verify=get_cert_file_path(),
         )
         if response.status_code != 200:
             self.infer_error.append(

utils/endpoint_util.py

@@ -30,7 +30,12 @@ class Endpoint:
         Returns:
             Endpoint API key if successful, None otherwise
         """
-        vast_console_url = "https://console.vast.ai/api/v0/endptjobs/"
+        endpoints = {
+            "alpha": "alpha",
+            "candidate": "candidate",
+            "prod": "console",
+        }
+        vast_console_url = f"https://{endpoints[instance]}.vast.ai/api/v0/endptjobs/"
         headers = {"Authorization": f"Bearer {account_api_key}"}
 
         try:

utils/ssl.py

@@ -0,0 +1,15 @@
+import tempfile
+from functools import cache
+
+import requests
+
+
+@cache
+def get_cert_file_path():
+    cert_url = "https://console.vast.ai/static/jvastai_root.cer"
+    response = requests.get(cert_url)
+    response.raise_for_status()
+    # Use a temporary file that is not deleted on close
+    with tempfile.NamedTemporaryFile(delete=False, suffix=".cer", mode="wb") as f:
+        f.write(response.content)
+        return f.name

workers/comfyui/client.py

@@ -5,6 +5,7 @@ import requests
 
 from lib.test_utils import print_truncate_res
 from utils.endpoint_util import Endpoint
+from utils.ssl import get_cert_file_path
 
 """
 NOTE: this client example uses a custom comfy workflow compatible with SD3 only
@@ -51,6 +52,7 @@ def call_default_workflow(
     response = requests.post(
         url,
         json=req_data,
+        verify=get_cert_file_path(),
     )
     response.raise_for_status()
     print_truncate_res(str(response.json()))
@@ -141,6 +143,7 @@ def call_custom_workflow_for_sd3(
     response = requests.post(
         url,
         json=req_data,
+        verify=get_cert_file_path(),
     )
     response.raise_for_status()
     print_truncate_res(str(response.json()))

workers/openai/client.py

@@ -6,6 +6,7 @@ from urllib.parse import urljoin
 from typing import Dict, Any, Optional, Iterator, Union, List
 import requests
 from utils.endpoint_util import Endpoint
+from utils.ssl import get_cert_file_path
 from .data_types.client import CompletionConfig, ChatCompletionConfig
 
 logging.basicConfig(
@@ -90,9 +91,13 @@ class APIClient:
 
         # Make the request using the specified method
         if method.upper() == "POST":
-            response = requests.post(url, json=req_data, stream=stream)
+            response = requests.post(
+                url, json=req_data, stream=stream, verify=get_cert_file_path()
+            )
         elif method.upper() == "GET":
-            response = requests.get(url, params=req_data, stream=stream)
+            response = requests.get(
+                url, params=req_data, stream=stream, verify=get_cert_file_path()
+            )
         else:
             raise ValueError(f"Unsupported HTTP method: {method}")
 

workers/tgi/client.py

@@ -4,6 +4,7 @@ import json
 from urllib.parse import urljoin
 import requests
 from utils.endpoint_util import Endpoint
+from utils.ssl import get_cert_file_path
 
 logging.basicConfig(
     level=logging.DEBUG,
@@ -42,7 +43,11 @@ def call_generate(endpoint_group_name: str, api_key: str, server_url: str) -> No
     req_data = dict(payload=payload, auth_data=auth_data)
     url = urljoin(url, WORKER_ENDPOINT)
     print(f"url: {url}")
-    response = requests.post(url, json=req_data)
+    response = requests.post(
+        url,
+        json=req_data,
+        verify=get_cert_file_path(),
+    )
     response.raise_for_status()
     res = response.json()
     print(res)