cache horde worker list

Author: Concedo

index.html

@@ -7398,6 +7398,12 @@
 			onDoneCallback([]);
 			return;
 		}
+		if(cached_worker_list!=null && cached_worker_list.length>1 && performance.now() < stale_cached_worker_time)
+		{
+			console.log("Reuse cached worker list");
+			onDoneCallback(cached_worker_list);
+			return;
+		}
 		multifetch(worker_endpoints,(resArr,errArr)=>{
 
 			if(resArr && resArr.length>0)
@@ -7420,6 +7426,8 @@
 					}
 				}
 
+				cached_worker_list = wdata;
+				stale_cached_worker_time = performance.now() + 30000; //cache worker list for 30s
 				if (onDoneCallback != null) {
 					onDoneCallback(wdata);
 				}
@@ -8949,7 +8957,9 @@
 	}
 
 	var cached_model_list = null;
+	var cached_worker_list = null;
 	var stale_cached_model_time = performance.now();
+	var stale_cached_worker_time = performance.now();
 	function fetch_models(onDoneCallback)
 	{
 		if(localflag)
@@ -8984,7 +8994,7 @@
 				}
 
 				cached_model_list = mdls;
-				stale_cached_model_time = performance.now() + 30000; //cache model list for 1m
+				stale_cached_model_time = performance.now() + 30000; //cache model list for 30s
 				onDoneCallback(mdls);
 			}
 			else