PerformanceTests/JetStream2/ARES-6/Air/benchmark.js

/*
 * Copyright (C) 2016 Apple Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 * 1. Redistributions of source code must retain the above copyright
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 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
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 */
"use strict";

class Benchmark {
    constructor()
    {
        this._verbose = false;
        
        this._payloads = [
            {generate: createPayloadGbemuExecuteIteration, earlyHash: 632653144, lateHash: 372715518},
            {generate: createPayloadImagingGaussianBlurGaussianBlur, earlyHash: 3677819581, lateHash: 1252116304},
            {generate: createPayloadTypescriptScanIdentifier, earlyHash: 1914852601, lateHash: 837339551},
            {generate: createPayloadAirJSACLj8C, earlyHash: 1373599940, lateHash: 3981283600}
        ];
    }
    
    runIteration()
    {
        for (let payload of this._payloads) {
            // Sadly about 17% of our time is in generate. I don't think that's really avoidable,
            // and I don't mind testing VMs' ability to run such "data definition" code quickly. I
            // would not have expected it to be so slow from first principles!
            let code = payload.generate();
            
            if (this._verbose) {
                print("Before allocateStack:");
                print(code);
            }
            
            let hash = code.hash();
            if (hash != payload.earlyHash)
                throw new Error(`Wrong early hash for ${payload.generate.name}: ${hash}`);
            
            allocateStack(code);
            
            if (this._verbose) {
                print("After allocateStack:");
                print(code);
            }

            hash = code.hash();
            if (hash != payload.lateHash)
                throw new Error(`Wrong late hash for ${payload.generate.name}: ${hash}`);
        }
    }
}