Add logs in occupy_gpu_ids, and funcs in hardware_utils for debugging

python/fedml/computing/scheduler/comm_utils/hardware_utils.py

@@ -11,6 +11,29 @@
 GPU_CARD_UTILS = [NvidiaGPUtil, QualcommNPUtil]
 
 
+# This function is just for debugging, can be removed at later point
+def get_gpu_list_and_realtime_gpu_available_ids() -> (List[dict], List[int]):
+    gpu_list = HardwareUtil.get_gpus()
+    gpu_count = len(gpu_list)
+    realtime_available_gpu_ids = HardwareUtil.get_available_gpu_ids(order='memory', limit=gpu_count, max_load=0.01,
+                                                            max_memory=0.01)
+    return gpu_list, realtime_available_gpu_ids
+
+# This function is just for debugging, can be removed at later point
+def trim_unavailable_gpu_ids(gpu_ids) -> List[int]:
+    # Trim the gpu ids based on the realtime available gpu id list.
+    available_gpu_ids = [int(gpu_id) for gpu_id in gpu_ids]
+    gpu_list, realtime_available_gpu_ids = get_gpu_list_and_realtime_gpu_available_ids()
+    unavailable_gpu_ids = list()
+
+    for gpu_id in available_gpu_ids:
+        if gpu_id not in realtime_available_gpu_ids:
+            unavailable_gpu_ids.append(gpu_id)
+
+    trimmed_gpu_ids = list(set(available_gpu_ids) - set(unavailable_gpu_ids))
+    return trimmed_gpu_ids.copy()
+
+
 class HardwareUtil(metaclass=Singleton):
     __gpu_util: Optional[GPUCardUtil] = None
 
@@ -60,6 +83,8 @@ def get_docker_gpu_ids_by_container_name(container_name: str, docker_client: Doc
 if __name__ == "__main__":
     gpus = HardwareUtil.get_gpus()
     get_available_gpu_cards = HardwareUtil.get_available_gpu_ids(limit=len(gpus))
+    trimmed_gpu_ids = trim_unavailable_gpu_ids(get_available_gpu_cards)
+    print(trimmed_gpu_ids)
     device_mapping = HardwareUtil.get_docker_gpu_device_mapping(get_available_gpu_cards, len(get_available_gpu_cards))
     print(gpus)
     print(get_available_gpu_cards)

python/fedml/computing/scheduler/comm_utils/job_utils.py

@@ -86,6 +86,8 @@ def occupy_gpu_ids(self, run_id, request_gpu_num, device_id, inner_id=None,
                     # Get the available GPU list, FEDML_GLOBAL_DEVICE_AVAILABLE_GPU_IDS_TAG-${device_id}
                     available_gpu_ids = ComputeCacheManager.get_instance().get_gpu_cache().get_device_available_gpu_ids(
                         device_id)
+                    logging.info(
+                        f"Available GPU Ids fetched from cache: {available_gpu_ids}")
 
                     logging.info(f"Check worker({device_id})'s realtime gpu availability in DB"
                                  f" for run {run_id}: {available_gpu_ids}")
@@ -94,8 +96,11 @@ def occupy_gpu_ids(self, run_id, request_gpu_num, device_id, inner_id=None,
                     if available_gpu_ids is None:
                         # Get realtime GPU availability list from the system
                         available_gpu_ids = JobRunnerUtils.get_realtime_gpu_available_ids().copy()
+                        logging.info(f"Cache not set yet, fetching realtime available GPU Ids: {available_gpu_ids}")
                     else:
                         available_gpu_ids = JobRunnerUtils.trim_unavailable_gpu_ids(available_gpu_ids)
+                        logging.info(
+                            f"Trimmed available GPU Ids: {available_gpu_ids}")
 
                     # Get the matched gpu ids string by the request gpu num
                     cuda_visible_gpu_ids_str, matched_gpu_num = JobRunnerUtils.request_gpu_ids(request_gpu_num,
@@ -119,6 +124,8 @@ def occupy_gpu_ids(self, run_id, request_gpu_num, device_id, inner_id=None,
 
                     ComputeCacheManager.get_instance().get_gpu_cache().set_device_available_gpu_ids(
                         device_id, available_gpu_ids)
+
+                    logging.info(f"Updated cache with following available gpu ids: {available_gpu_ids}")
 
                     # For a single run, could be scale up. So if existed such a key, should extend, not replace
                     existed_gpu_nums = ComputeCacheManager.get_instance().get_gpu_cache().get_device_run_num_gpus(