1 files changed, 21 insertions, 0 deletions
diff --git a/src/deterministic.js b/src/deterministic.js
new file mode 100644
index 00000000..4e9508f3
--- /dev/null
+++ b/src/deterministic.js
@@ -0,0 +1,21 @@
+
+var MAGIC = 0;
+Math.random = function() {
+  MAGIC = Math.pow(MAGIC + 1.8912, 3) % 1;
+  return MAGIC;
+};
+var TIME = 10000;
+Date.now = function() {
+  return TIME++;
+};
+if (typeof performance === 'object') performance.now = Date.now;
+
+function hashMemory(id) {
+  var ret = 0;
+  var len = Math.max(DYNAMICTOP, STATICTOP);
+  for (var i = 0; i < len; i++) {
+    ret = (ret*17 + HEAPU8[i])|0;
+  }
+  printErr(id + ':' + ret);
+}
+