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-rw-r--r--js/src/devtools/gc-ubench/benchmarks/globalArrayBuffer.js36
1 files changed, 36 insertions, 0 deletions
diff --git a/js/src/devtools/gc-ubench/benchmarks/globalArrayBuffer.js b/js/src/devtools/gc-ubench/benchmarks/globalArrayBuffer.js
new file mode 100644
index 0000000000..06bf73eea8
--- /dev/null
+++ b/js/src/devtools/gc-ubench/benchmarks/globalArrayBuffer.js
@@ -0,0 +1,36 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+tests.set(
+ "globalArrayBuffer",
+ (function() {
+ var garbage = [];
+ var garbageIndex = 0;
+ return {
+ description: "var foo = ArrayBuffer(N); # (large malloc data)",
+
+ load: N => {
+ garbage = new Array(N);
+ },
+ unload: () => {
+ garbage = [];
+ garbageIndex = 0;
+ },
+
+ defaultGarbagePerFrame: "4M",
+ defaultGarbagePiles: "8K",
+
+ makeGarbage: N => {
+ var ab = new ArrayBuffer(N);
+ var view = new Uint8Array(ab);
+ view[0] = 1;
+ view[N - 1] = 2;
+ garbage[garbageIndex++] = ab;
+ if (garbageIndex == garbage.length) {
+ garbageIndex = 0;
+ }
+ },
+ };
+ })()
+);