Move argon2 to first, average, worst scoring.

Since the non-simd version of the test is relatively slow I reduced the iteration/worst
counts to 15/2, repsectively.

Also, I moved all the benchmark files to the argon2 directory to help organize the wasm directory a bit.

JetStreamDriver.js

@@ -1999,27 +1999,29 @@ const testPlans = [
     {
         name: "argon2-wasm",
         files: [
-            "./wasm/argon2-bundle.js",
-            "./wasm/argon2.js",
-            "./wasm/argon2-benchmark.js"
+            "./wasm/argon2/argon2-bundle.js",
+            "./wasm/argon2/argon2.js",
+            "./wasm/argon2/benchmark.js"
         ],
         preload: {
-            argon2WasmBlob: "./wasm/argon2.wasm",
+            argon2WasmBlob: "./wasm/argon2/argon2.wasm",
         },
-        benchmarkClass: WasmLegacyBenchmark,
+        benchmarkClass: WasmEMCCBenchmark,
+        iterations: 15,
+        worstCaseCount: 2,
         testGroup: WasmGroup
     },
     {
         name: "argon2-wasm-simd",
         files: [
-            "./wasm/argon2-bundle.js",
-            "./wasm/argon2.js",
-            "./wasm/argon2-benchmark.js"
+            "./wasm/argon2/argon2-bundle.js",
+            "./wasm/argon2/argon2.js",
+            "./wasm/argon2/benchmark.js"
         ],
         preload: {
-            argon2WasmSimdBlob: "./wasm/argon2-simd.wasm",
+            argon2WasmSimdBlob: "./wasm/argon2/argon2-simd.wasm",
         },
-        benchmarkClass: WasmLegacyBenchmark,
+        benchmarkClass: WasmEMCCBenchmark,
         testGroup: WasmGroup
     },
     // WorkerTests

wasm/argon2/benchmark.js

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2023 Apple Inc. All rights reserved.
+ * Copyright (C) 2023-2024 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -23,22 +23,20 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
  */
 
-async function doRun() {
-    let start = benchmarkTime();
 
-    if (!isInBrowser) {
-        globalThis.argon2WasmSimdBlob = Module.argon2WasmSimdBlob;
-        globalThis.argon2WasmBlob = Module.argon2WasmBlob;
+class Benchmark {
+    firstIteration = true;
+    async runIteration() {
+        if (this.firstIteration) {
+            this.firstIteration = false;
+            if (!isInBrowser) {
+                globalThis.argon2WasmSimdBlob = Module.argon2WasmSimdBlob;
+                globalThis.argon2WasmBlob = Module.argon2WasmBlob;
+            }
+
+            await instantiateArgon2WasmInstance();
+        }
+
+        return await testArgon2HashAndVerify();
     }
-
-    await instantiateArgon2WasmInstance();
-    await testArgon2HashAndVerify();
-    reportCompileTime(benchmarkTime() - start);
-
-    start = benchmarkTime();
-
-    for (let i = 0; i < 5; ++i)
-        await testArgon2HashAndVerify();
-
-    reportRunTime(benchmarkTime() - start)
-}
+};