From 325372233d1f15d8ee417b2da2cae1fe23e2ed6d Mon Sep 17 00:00:00 2001
From: Karishma Chadha <kchadha@media.mit.edu>
Date: Wed, 16 Jan 2019 10:09:19 -0500
Subject: [PATCH 1/2] Improve the performance of the timer utilitiy so that it
 does not garbage collect multiple times per frame.

---
 src/engine/block-utility.js | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/engine/block-utility.js b/src/engine/block-utility.js
index 5aa79f72..15079dbc 100644
--- a/src/engine/block-utility.js
+++ b/src/engine/block-utility.js
@@ -21,6 +21,10 @@ class BlockUtility {
          * @type {?Thread}
          */
         this.thread = thread;
+
+        this._nowObj = {
+            now: () => this.runtime.currentMSecs
+        };
     }
 
     /**
@@ -46,9 +50,7 @@ class BlockUtility {
      */
     get nowObj () {
         if (this.runtime) {
-            return {
-                now: () => this.runtime.currentMSecs
-            };
+            return this._nowObj;
         }
         return null;
     }

From 7588f08f3bfd9364baa126c5f87561bae6c3a2ca Mon Sep 17 00:00:00 2001
From: Karishma Chadha <kchadha@media.mit.edu>
Date: Wed, 23 Jan 2019 11:33:36 -0500
Subject: [PATCH 2/2] Use sequencer runtime directly instead of doing an extra
 lookup

---
 src/engine/block-utility.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/engine/block-utility.js b/src/engine/block-utility.js
index 15079dbc..f09d6eec 100644
--- a/src/engine/block-utility.js
+++ b/src/engine/block-utility.js
@@ -23,7 +23,7 @@ class BlockUtility {
         this.thread = thread;
 
         this._nowObj = {
-            now: () => this.runtime.currentMSecs
+            now: () => this.sequencer.runtime.currentMSecs
         };
     }