diff --git a/src/core/AnimatedCallFunc.js b/src/core/AnimatedCallFunc.js
index 176197dc0de..44f2d65b49b 100644
--- a/src/core/AnimatedCallFunc.js
+++ b/src/core/AnimatedCallFunc.js
@@ -1,9 +1,10 @@
-import AnimatedNode from './AnimatedNode';
+import AnimatedNode, { getCallID, setCallID } from './AnimatedNode';
 import { adapt } from './AnimatedBlock';
 import { val } from '../val';
 import invariant from 'fbjs/lib/invariant';
 
 class AnimatedCallFunc extends AnimatedNode {
+  _previousCallID;
   _what;
   _args;
   _params;
@@ -39,8 +40,11 @@ class AnimatedCallFunc extends AnimatedNode {
   }
 
   beginContext() {
+    this._previousCallID = getCallID();
+    setCallID(getCallID() + '/' + this.__nodeID);
+
     this._params.forEach((param, index) => {
-      param.beginContext(this._args[index]);
+      param.beginContext(this._args[index], this._previousCallID);
     });
   }
 
@@ -48,6 +52,7 @@ class AnimatedCallFunc extends AnimatedNode {
     this._params.forEach((param, index) => {
       param.endContext();
     });
+    setCallID(this._previousCallID);
   }
 
   __onEvaluate() {
diff --git a/src/core/AnimatedNode.js b/src/core/AnimatedNode.js
index 34165ac8b20..2d9e041ed89 100644
--- a/src/core/AnimatedNode.js
+++ b/src/core/AnimatedNode.js
@@ -5,6 +5,16 @@ const UPDATED_NODES = [];
 
 let loopID = 1;
 let propUpdatesEnqueued = null;
+let nodeCount = 0;
+let callID = "";
+
+export function getCallID() {
+  return callID;
+}
+
+export function setCallID(nextCallID) {
+  callID = nextCallID;
+}
 
 function sanitizeConfig(config) {
   if (Platform.OS === 'web') {
@@ -52,9 +62,13 @@ function runPropUpdates() {
   loopID += 1;
 }
 
-let nodeCount = 0;
-
 export default class AnimatedNode {
+
+  __nodeID;
+  __lastLoopID = { "": -1 };
+  __memoizedValue = { "": null };
+  __children = [];
+
   constructor(nodeConfig, inputNodes) {
     this.__nodeID = ++nodeCount;
     this.__nodeConfig = sanitizeConfig(nodeConfig);
@@ -91,26 +105,23 @@ export default class AnimatedNode {
     this.__nativeTearDown();
   }
 
-  __lastLoopID = 0;
-  __memoizedValue = null;
-
-  __children = [];
-
   __getValue() {
-    if (this.__lastLoopID < loopID) {
-      this.__lastLoopID = loopID;
-      return (this.__memoizedValue = this.__onEvaluate());
+    if (!(callID in this.__lastLoopID) || this.__lastLoopID[callID] < loopID) {
+      this.__lastLoopID[callID] = loopID;
+      const result = this.__onEvaluate();
+      this.__memoizedValue[callID] = result;
+      return result;
     }
-    return this.__memoizedValue;
+    return this.__memoizedValue[callID];
   }
 
   __forceUpdateCache(newValue) {
-    this.__memoizedValue = newValue;
+    this.__memoizedValue[callID] = newValue;
     this.__markUpdated();
   }
 
   __dangerouslyRescheduleEvaluate() {
-    this.__lastLoopID = 0;
+    this.__lastLoopID[callID] = -1;
     this.__markUpdated();
   }
 
diff --git a/src/core/AnimatedParam.js b/src/core/AnimatedParam.js
index c1dd9ffea24..c5a898b2045 100644
--- a/src/core/AnimatedParam.js
+++ b/src/core/AnimatedParam.js
@@ -1,17 +1,19 @@
 import invariant from 'fbjs/lib/invariant';
-import AnimatedNode from './AnimatedNode';
+import AnimatedNode, { getCallID, setCallID } from './AnimatedNode';
 import AnimatedClock from './AnimatedClock';
 import { val } from '../val';
 
 export class AnimatedParam extends AnimatedNode {
   argsStack = [];
-
+  _prevCallID;
+  
   constructor() {
     super({ type: 'param' }, []);
     this.__attach();
   }
 
-  beginContext(ref) {
+  beginContext(ref, prevCallID) {
+    this._prevCallID = prevCallID;
     this.argsStack.push(ref);
   }
 
@@ -28,15 +30,22 @@ export class AnimatedParam extends AnimatedNode {
   setValue(value) {
     const top = this._getTopNode();
     if (top.setValue) {
+      const callID = getCallID();
+      setCallID(this._prevCallID);
       top.setValue(value);
+      setCallID(callID);
     } else {
       throw new Error(`param: setValue(${value}) failed because the top element has no known method for updating it's current value.`)
     }
   }
   
   __onEvaluate() {
+    const callID = getCallID();
+    setCallID(this._prevCallID);
     const top = this._getTopNode();
-    return val(top);
+    const value = val(top);
+    setCallID(callID);
+    return value;
   }
 
   start() {
@@ -59,11 +68,15 @@ export class AnimatedParam extends AnimatedNode {
 
   isRunning() {
     const node = this._getTopNode();
+
+    if (node instanceof AnimatedParam) {
+      return node.isRunning()
+    }
     invariant(
-      node instanceof AnimatedClock || node instanceof AnimatedParam,
+      node instanceof AnimatedClock,
       `param: top node should be of type AnimatedClock but got ${node}`
     );
-    return node.isRunning()
+    return node.isStarted();
   }
 }
 
diff --git a/src/core/AnimatedValue.js b/src/core/AnimatedValue.js
index e4da2bd3c26..877e92433c3 100644
--- a/src/core/AnimatedValue.js
+++ b/src/core/AnimatedValue.js
@@ -23,7 +23,7 @@ export default class AnimatedValue extends InternalAnimatedValue {
   }
   
   toString() {
-    return `AnimatedValue, id: ${super.__nodeID}`;
+    return `AnimatedValue, id: ${this.__nodeID}`;
   }
 
   interpolate(config) {