JIT deployment support for conditional chains

dispatch_system/constants.json

@@ -32,6 +32,6 @@
         "alpha": 0.7
     },
     "speculative_deployment": true,
-    "JIT_deployment": true,
+    "JIT_deployment": false,
     "id_size": 20
 }

dispatch_system/dispatch_manager/index.js

@@ -526,7 +526,7 @@ function autoscalar() {
  */
 async function speculative_deployment(req, runtime) {
     if (constants.speculative_deployment && req.headers['x-resource-id'] === undefined) {
-        console.log(functionBranchTree, req.params.id);
+        // console.log(functionBranchTree, req.params.id);
 
         if (functionBranchTree.has(req.params.id)) {
             let branchInfo = functionBranchTree.get(req.params.id)

dispatch_system/dispatch_manager/shared_structures.js

@@ -3,9 +3,11 @@ let db = new Map(), // queue holding request to be dispatched
     functionToResource = new Map(), // a function to resource map. Each map contains a minheap of
                                     // resources associated with the function
     workerNodes = new Map(), // list of worker nodes currently known to the DM
-    functionBranchTree = new Map() // a tree to store function branch predictions
+    functionBranchTree = new Map(), // a tree to store function branch predictions
+    conditionProbabilityExpilict = new Map() // tree holding conditional probabilities for explicit chains
 
 
 module.exports = {
-    db, functionBranchTree, functionToResource, workerNodes, resourceMap
+    db, functionBranchTree, functionToResource, workerNodes, resourceMap,
+    conditionProbabilityExpilict
 }
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