google_benchmark_visualizer/benchmark.html at main · 10-neon/google_benchmark_visualizer · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Benchmark Visualizer</title>
    <script src="https://cdn.jsdelivr.net/npm/echarts@5.5.0/dist/echarts.min.js"></script>
    <style>
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            margin: 20px;
            background-color: #f4f6f8;
            color: #333;
        }
        h1 {
            color: #1a73e8;
            text-align: center;
            margin-bottom: 20px;
        }
        .file-selector-container {
            margin-bottom: 15px;
            padding: 15px;
            background-color: #fff;
            border-radius: 8px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .file-selector-container label {
            font-weight: bold;
        }
        .file-selector-container input[type="file"] {
            border: 1px solid #ccc;
            padding: 8px;
            border-radius: 4px;
            flex-grow: 1;
        }
        .chart-selectors-container {
            display: flex;
            gap: 20px;
            margin-bottom: 15px;
            padding: 15px;
            background-color: #fff;
            border-radius: 8px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
            align-items: flex-start;
        }
        .chart-selectors-container > div {
            flex: 1;
        }
        .chart-selectors-container label {
            font-weight: bold;
            display: block;
            margin-bottom: 5px;
        }
        .chart-selectors-container select {
            width: 100%;
            padding: 8px;
            border: 1px solid #ccc;
            border-radius: 4px;
            box-sizing: border-box;
        }
        #baselineFilterContainer {
            padding: 10px;
            border: 1px solid #e0e0e0;
            border-radius: 4px;
            background-color: #f9f9f9;
        }
        #baselineFilterContainer p {
            margin-top: 0;
            font-weight: bold;
            margin-bottom: 8px;
        }
        #baselineFilterContainer .filter-controls {
            margin-bottom: 10px;
        }
        #baselineFilterContainer .filter-controls button {
            margin-right: 10px;
            padding: 5px 10px;
            background-color: #e0e0e0;
            border: 1px solid #ccc;
            border-radius: 4px;
            cursor: pointer;
        }
        #baselineFilterContainer .filter-controls button:hover {
            background-color: #d0d0d0;
        }
        #baselineCheckboxContainer {
            max-height: 150px;
            overflow-y: auto;
            border: 1px solid #eee;
            padding: 10px;
            background-color: #fff;
        }
        #baselineCheckboxContainer label {
            display: block;
            margin-bottom: 5px;
            font-size: 0.9em;
            font-weight: normal;
        }
        #baselineCheckboxContainer input[type="checkbox"] {
            margin-right: 8px;
            vertical-align: middle;
        }
        #chartContainer {
            width: 100%;
            height: 600px;
            margin-top: 20px;
            border: 1px solid #ddd;
            background-color: #fff;
            border-radius: 8px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        .echarts-tooltip {
            border-radius: 4px !important;
            box-shadow: 0 2px 8px rgba(0,0,0,0.15) !important;
            padding: 10px !important;
            background-color: rgba(255,255,255,0.95) !important;
            border: 1px solid #eee !important;
        }
    </style>
</head>
<body>
    <h1>Google Benchmark Visualizer</h1>

    <div class="file-selector-container">
        <label for="fileInput">Select Benchmark JSON File:</label>
        <input type="file" id="fileInput" accept=".json">
    </div>

    <div class="chart-selectors-container">
        <div>
            <label for="fixtureSelect">Fixture:</label>
            <select id="fixtureSelect"></select>
        </div>
        <div>
            <label for="aspectSelect">Test Aspect:</label>
            <select id="aspectSelect"></select>
        </div>
        <div id="baselineFilterContainer">
            <p>Overlay Baseline Cases:</p>
            <div class="filter-controls">
                <button id="selectAllBaselinesBtn">Select All</button>
                <button id="deselectAllBaselinesBtn">Deselect All</button>
            </div>
            <div id="baselineCheckboxContainer">
                <!-- Baseline checkboxes will be populated here -->
            </div>
        </div>
    </div>

    <div id="chartContainer"></div>

    <script>
        /**
         * @file benchmark.html
         * @brief Web UI for visualizing Google Benchmark JSON output.
         * Allows selection of fixture and aspect to display a bar chart of CPU time
         * vs. a varying parameter, with optional overlay of baseline cases.
         */

        // Global store for parsed benchmark data
        let globalDataStore = {
            chartData: {},    // { fixture: { aspect: { dataPoints: [{x,y,name}], xValues: Set() } } }
            baselines: {},    // { baselineFullName: { name, fixture, aspect, threads, cpuTimeNs, displayText } }
            fixtureList: [],
            aspectListPerFixture: {}, // { fixtureName: [aspectName1, ...] }
            baselineListForSelector: [] // Array of baseline objects for checkbox list
        };

        const fileInput = document.getElementById('fileInput');
        const fixtureSelect = document.getElementById('fixtureSelect');
        const aspectSelect = document.getElementById('aspectSelect');
        const baselineCheckboxContainer = document.getElementById('baselineCheckboxContainer');
        const selectAllBaselinesBtn = document.getElementById('selectAllBaselinesBtn');
        const deselectAllBaselinesBtn = document.getElementById('deselectAllBaselinesBtn');
        let myChart = null; // ECharts instance

        /**
         * @brief Initializes the ECharts instance.
         */
        function initChart() {
            const chartDom = document.getElementById('chartContainer');
            if (myChart) {
                myChart.dispose();
            }
            myChart = echarts.init(chartDom);
            // Responsive chart
            window.addEventListener('resize', () => myChart && myChart.resize());
        }

        /**
         * @brief Clears the chart and displays a message.
         * @param {string} message - The message to display.
         */
        function clearChartWithMessage(message = "No data to display or file not loaded.") {
            if (!myChart) initChart(); // Ensure chart is initialized before trying to set options
            myChart.clear();
            myChart.setOption({
                title: { text: message, left: 'center', top: 'center', textStyle: { color: '#888' } },
            });
        }

        /**
         * @brief Converts time to nanoseconds based on unit.
         * @param {number} timeValue - The time value.
         * @param {string} timeUnit - The unit of time (e.g., "ns", "us", "ms").
         * @returns {number} Time in nanoseconds.
         * @memberof global
         * @function convertToNanoseconds
         */
        function convertToNanoseconds(timeValue, timeUnit) {
            if (timeUnit === "ns") return timeValue;
            if (timeUnit === "us") return timeValue * 1000;
            if (timeUnit === "ms") return timeValue * 1e6;
            return timeValue; // Assume ns if unit is unknown or not provided
        }

        /**
         * @brief Adds an item to a list if it doesn't already exist.
         * @param {Array} list - The list to add to.
         * @param {*} item - The item to add.
         */
        function addToListIfNotExists(list, item) {
            if (!list.includes(item)) {
                list.push(item);
            }
        }

        /**
         * @brief Parses the raw JSON data from the benchmark file.
         * Populates globalDataStore with structured benchmark information.
         * This includes regular data points and baseline cases.
         * If an aspect only consists of thread-varying baselines,
         * those baselines will be treated as the primary data points for that aspect's chart.
         * @param {Object} jsonData - The raw JSON object from the benchmark file.
         * @memberof global
         * @function parseBenchmarkJson
         */
        function parseBenchmarkJson(jsonData) {
            // Reset global store
            globalDataStore = {
                chartData: {},    // { fixture: { aspect: { dataPoints: [{x,y,name}], xValues: Set() } } }
                baselines: {},    // { baselineFullName: { name, fixture, aspect, threads, cpuTimeNs, displayText } }
                fixtureList: [],
                aspectListPerFixture: {}, // { fixtureName: [aspectName1, ...] }
                baselineListForSelector: [] // Array of baseline objects for checkbox list
            };

            if (!jsonData || !jsonData.benchmarks || !Array.isArray(jsonData.benchmarks)) {
                alert("Invalid benchmark data: 'benchmarks' array not found or invalid.");
                clearChartWithMessage("Invalid benchmark data format in file.");
                return;
            }

            jsonData.benchmarks.forEach(bm => {
                // Ensure essential fields are present and valid before processing
                if (typeof bm.name !== 'string' ||
                    typeof bm.cpu_time !== 'number' || isNaN(parseFloat(bm.cpu_time)) ||
                    typeof bm.time_unit !== 'string') {
                    console.warn("Skipping benchmark with missing or invalid essential fields (name, cpu_time, time_unit):", bm.name || bm);
                    return; // Skip this benchmark entry
                }

                const parts = bm.name.split('/');
                if (parts.length < 2) {
                    console.warn("Skipping benchmark with unexpected name format (less than 2 parts):", bm.name);
                    return;
                }

                const fixture = parts[0];
                const aspect = parts[1];
                const cpuTimeNs = convertToNanoseconds(bm.cpu_time, bm.time_unit);

                // Ensure cpuTimeNs is a valid number after conversion
                if (typeof cpuTimeNs !== 'number' || isNaN(cpuTimeNs)) {
                    console.warn(`Invalid cpuTimeNs (was ${cpuTimeNs}) calculated for benchmark: ${bm.name}. Skipping.`);
                    return; // Skip this benchmark entry
                }

                addToListIfNotExists(globalDataStore.fixtureList, fixture);
                globalDataStore.aspectListPerFixture[fixture] = globalDataStore.aspectListPerFixture[fixture] || [];
                addToListIfNotExists(globalDataStore.aspectListPerFixture[fixture], aspect);

                // Case 1: Baseline - Fixture/Aspect/threads:T
                if (parts.length === 3 && parts[2].startsWith('threads:')) {
                    const threadPart = parts[2].split(':');
                    if (threadPart.length === 2 && !isNaN(parseInt(threadPart[1]))) {
                        const threads = parseInt(threadPart[1]);
                        const baselineKey = bm.name; // Use full name as unique key
                        globalDataStore.baselines[baselineKey] = {
                            name: bm.name,
                            fixture: fixture,
                            aspect: aspect,
                            threads: threads, // Store thread count for baselines
                            cpuTimeNs: cpuTimeNs,
                            displayText: `${bm.name} (${cpuTimeNs.toFixed(0)}ns)`
                        };
                        globalDataStore.baselineListForSelector.push(globalDataStore.baselines[baselineKey]);
                    } else {
                         console.warn("Skipping baseline with malformed threads part:", bm.name);
                    }
                }
                // Case 2: Non-baseline data point (numeric parameter as 3rd part)
                // Fixture/Aspect/XValue  OR  Fixture/Aspect/XValue/threads:T (where XValue is numeric)
                else if (parts.length >= 3 && !isNaN(parseFloat(parts[2]))) {
                    const xValue = parseFloat(parts[2]);

                    globalDataStore.chartData[fixture] = globalDataStore.chartData[fixture] || {};
                    globalDataStore.chartData[fixture][aspect] = globalDataStore.chartData[fixture][aspect] || { dataPoints: [], xValues: new Set() };

                    globalDataStore.chartData[fixture][aspect].dataPoints.push({ x: xValue, y: cpuTimeNs, name: bm.name });
                    globalDataStore.chartData[fixture][aspect].xValues.add(xValue);
                } else {
                    // Other cases, e.g. Fixture/Aspect without a third part, or non-numeric third part not 'threads:N'
                    // These are not directly plotted as primary data unless handled by the post-processing step below for thread-based baselines.
                    // console.warn("Benchmark name not fitting primary data point pattern and not a 'threads:N' baseline:", bm.name);
                }
            });

            // Sort baselines for consistent display in selector
            globalDataStore.baselineListForSelector.sort((a, b) => a.name.localeCompare(b.name));

            // Sort data points for each chart by x-value (for regular data)
            for (const fix in globalDataStore.chartData) {
                for (const asp in globalDataStore.chartData[fix]) {
                    if (globalDataStore.chartData[fix][asp] && globalDataStore.chartData[fix][asp].dataPoints) {
                        globalDataStore.chartData[fix][asp].dataPoints.sort((a, b) => a.x - b.x);
                    }
                }
            }

            // Post-processing: If an aspect has no regular data points but consists solely of thread-based baselines,
            // use these baselines as the chart's data points.
            for (const fixture of globalDataStore.fixtureList) {
                if (globalDataStore.aspectListPerFixture[fixture]) {
                    for (const aspect of globalDataStore.aspectListPerFixture[fixture]) {
                        const hasRegularDataPoints = globalDataStore.chartData[fixture] &&
                                                   globalDataStore.chartData[fixture][aspect] &&
                                                   globalDataStore.chartData[fixture][aspect].dataPoints.length > 0;

                        if (!hasRegularDataPoints) {
                            const relevantBaselinesForAspect = [];
                            let allAreThreadBasedForThisAspect = true;

                            for (const baselineKey in globalDataStore.baselines) {
                                const baseline = globalDataStore.baselines[baselineKey];
                                if (baseline.fixture === fixture && baseline.aspect === aspect) {
                                    if (typeof baseline.threads === 'number') {
                                        relevantBaselinesForAspect.push(baseline);
                                    } else {
                                        // This aspect has at least one baseline that is NOT thread-based,
                                        // so we don't treat this aspect as a thread-progression chart.
                                        allAreThreadBasedForThisAspect = false;
                                        break;
                                    }
                                }
                            }

                            if (relevantBaselinesForAspect.length > 0 && allAreThreadBasedForThisAspect) {
                                // This aspect consists of only thread-based baselines.
                                // Populate chartData for it using these baselines.
                                globalDataStore.chartData[fixture] = globalDataStore.chartData[fixture] || {};
                                const chartAspectData = { dataPoints: [], xValues: new Set() };
                                globalDataStore.chartData[fixture][aspect] = chartAspectData;

                                // Sort these baselines by thread count to ensure X-axis is ordered.
                                relevantBaselinesForAspect.sort((a, b) => a.threads - b.threads);

                                relevantBaselinesForAspect.forEach(b => {
                                    chartAspectData.dataPoints.push({
                                        x: b.threads,       // X-value is the thread count
                                        y: b.cpuTimeNs,     // Y-value is the CPU time
                                        name: b.name        // Full name of the baseline case
                                    });
                                    chartAspectData.xValues.add(b.threads);
                                });
                                // dataPoints are already sorted by 'x' (threads) due to prior sort of relevantBaselinesForAspect.
                            }
                        }
                    }
                }
            }

            // Sort fixture list and aspect lists for dropdowns
            globalDataStore.fixtureList.sort();
            for (const fix in globalDataStore.aspectListPerFixture) {
                globalDataStore.aspectListPerFixture[fix].sort();
            }
        }

        /**
         * @brief Populates the fixture dropdown selector.
         */
        function populateFixtureSelector() {
            fixtureSelect.innerHTML = globalDataStore.fixtureList.map(f => `<option value="${f}">${f}</option>`).join('');
            if (globalDataStore.fixtureList.length > 0) {
                fixtureSelect.value = globalDataStore.fixtureList[0]; // Select first by default
                updateAspectSelector(); // Trigger aspect update for the first fixture
            } else {
                aspectSelect.innerHTML = ''; // Clear aspect if no fixtures
            }
        }

        /**
         * @brief Updates and populates the aspect dropdown based on selected fixture.
         */
        function updateAspectSelector() {
            const selectedFixture = fixtureSelect.value;
            const aspects = globalDataStore.aspectListPerFixture[selectedFixture] || [];
            aspectSelect.innerHTML = aspects.map(a => `<option value="${a}">${a}</option>`).join('');
            if (aspects.length > 0) {
                aspectSelect.value = aspects[0]; // Select first by default
            }
            triggerChartUpdate(); // Update chart when aspect changes (or fixture changes)
        }

        /**
         * @brief Populates the baseline checkboxes.
         */
        function populateBaselineSelector() {
            baselineCheckboxContainer.innerHTML = ''; // Clear previous
            if (globalDataStore.baselineListForSelector.length === 0) {
                baselineCheckboxContainer.innerHTML = '<p style="font-style:italic; color:#777;">No baseline cases found in data.</p>';
                selectAllBaselinesBtn.disabled = true;
                deselectAllBaselinesBtn.disabled = true;
                return;
            }
            selectAllBaselinesBtn.disabled = false;
            deselectAllBaselinesBtn.disabled = false;

            globalDataStore.baselineListForSelector.forEach(baseline => {
                const label = document.createElement('label');
                const checkbox = document.createElement('input');
                checkbox.type = 'checkbox';
                checkbox.value = baseline.name; // Use full name as value
                checkbox.addEventListener('change', triggerChartUpdate);

                label.appendChild(checkbox);
                label.appendChild(document.createTextNode(" " + baseline.displayText));
                baselineCheckboxContainer.appendChild(label);
            });
        }

        /**
         * @brief Handles file selection, parses JSON, and populates UI.
         * @param {Event} event - The file input change event.
         */
        function handleFileSelect(event) {
            const file = event.target.files[0];
            if (file) {
                const reader = new FileReader();
                reader.onload = function(e) {
                    try {
                        const jsonData = JSON.parse(e.target.result);
                        parseBenchmarkJson(jsonData);
                        populateFixtureSelector(); // This will trigger aspect and chart update
                        populateBaselineSelector();
                        // Initial chart render will be triggered by populateFixtureSelector -> updateAspectSelector -> triggerChartUpdate
                    } catch (error) {
                        console.error("Error parsing JSON:", error);
                        alert("Error parsing JSON file. Please check console and file format.");
                        clearChartWithMessage("Error loading or parsing file.");
                    }
                };
                reader.onerror = () => {
                    console.error("Error reading file:", reader.error);
                    alert("Error reading file. Please check console.");
                    clearChartWithMessage("Error reading file.");
                };
                reader.readAsText(file);
            }
        }

        /**
         * @brief Triggers chart rendering based on current selections.
         */
        function triggerChartUpdate() {
            const selectedFixture = fixtureSelect.value;
            const selectedAspect = aspectSelect.value;

            if (!selectedFixture || !selectedAspect) {
                clearChartWithMessage("Please select a Fixture and Aspect.");
                return;
            }

            const selectedBaselineNames = [];
            baselineCheckboxContainer.querySelectorAll('input[type="checkbox"]:checked').forEach(cb => {
                selectedBaselineNames.push(cb.value);
            });

            renderChart(selectedFixture, selectedAspect, selectedBaselineNames);
        }

        /**
         * @brief Renders the chart using ECharts.
         * @param {string} fixtureName - The selected fixture name.
         * @param {string} aspectName - The selected aspect name.
         * @param {Array<string>} selectedBaselineFullNames - Array of full names of selected baseline cases.
         */
        function renderChart(fixtureName, aspectName, selectedBaselineFullNames) {
            if (!myChart) initChart();

            const chartInfo = globalDataStore.chartData[fixtureName] && globalDataStore.chartData[fixtureName][aspectName];

            if (!chartInfo || chartInfo.dataPoints.length === 0) {
                clearChartWithMessage(`No data points found for ${fixtureName} / ${aspectName}.`);
                return;
            }

            const xValuesSorted = Array.from(chartInfo.xValues).sort((a, b) => a - b);
            const seriesBarData = xValuesSorted.map(xVal => {
                const point = chartInfo.dataPoints.find(p => p.x === xVal);
                return point ? point.y : null;
            });

            const markLines = [];
            const legendData = [aspectName];

            selectedBaselineFullNames.forEach(fullName => {
                const baseline = globalDataStore.baselines[fullName];
                if (baseline) {
                    markLines.push({
                        yAxis: baseline.cpuTimeNs,
                        name: baseline.name, // Use the short name for the label on the chart line
                        lineStyle: { type: 'dashed', width: 1.5 },
                        label: {
                            formatter: '{b}', // Shows baseline.name (the short name)
                            position: 'insideEndTop',
                            fontSize: 10
                        },
                        tooltip: { // Custom tooltip for this markline
                            formatter: function() { // Use a function to return the full displayText
                                return baseline.displayText;
                            }
                        }
                    });
                    legendData.push(baseline.displayText); // Add full baseline info to legend
                }
            });

            const option = {
                title: {
                    text: `${fixtureName} - ${aspectName}`,
                    subtext: 'CPU Time (ns) vs. Parameter',
                    left: 'center'
                },
                tooltip: {
                    trigger: 'axis',
                    axisPointer: { type: 'shadow' },
                    formatter: function (params) {
                        let tooltipText = '';
                        if (params && params.length > 0) {
                            const barParam = params.find(p => p.componentSubType === 'bar');
                            if (barParam) {
                                tooltipText += `${barParam.seriesName} (X: ${barParam.name})<br/>${barParam.marker}CPU Time: ${barParam.value.toFixed(0)} ns<br/>`;
                                const dataPoint = chartInfo.dataPoints.find(dp => dp.x == barParam.name && dp.y == barParam.value);
                                if (dataPoint) {
                                     tooltipText += `<span style="font-size:0.9em; color:#777;">(${dataPoint.name})</span><br/>`;
                                }
                            }
                            // Tooltips for marklines are handled by their individual tooltip config
                        }
                        return tooltipText;
                    }
                },
                legend: {
                    data: legendData,
                    type: 'scroll',
                    bottom: 10,
                    textStyle: { fontSize: 10 }
                },
                grid: { left: '3%', right: '4%', bottom: '15%', containLabel: true },
                toolbox: {
                    feature: {
                        saveAsImage: { title: 'Save as Image' },
                        dataZoom: { yAxisIndex: 'none', title: { zoom: 'Area Zoom', back: 'Restore Zoom' } },
                        restore: { title: 'Restore' },
                        dataView: { readOnly: true, title: 'View Data' }
                    }
                },
                xAxis: {
                    type: 'category',
                    data: xValuesSorted,
                    name: 'Parameter Value (Cause of Performance Change)',
                    nameLocation: 'middle',
                    nameGap: 35
                },
                yAxis: {
                    type: 'value',
                    name: 'CPU Time (ns)',
                    nameLocation: 'middle',
                    nameGap: 50, // Increased gap to avoid overlap with ticks if numbers are large
                    axisLabel: { formatter: '{value} ns' }
                },
                series: [{
                    name: aspectName,
                    type: 'bar',
                    data: seriesBarData,
                    barMaxWidth: '60px',
                    emphasis: { focus: 'series' },
                    label: { // Configuration to display value on top of each bar
                        show: true,
                        position: 'top',
                        formatter: function(params) {
                            return params.value.toFixed(0); // Display integer part of nanoseconds
                        },
                        color: '#333',
                        fontSize: 10
                    },
                    markLine: {
                        symbol: ['none', 'none'],
                        silent: false,
                        data: markLines,
                        // Label for markLine is configured within each markLine object now
                        // Tooltip for markLine is also configured within each markLine object
                    }
                }],
                dataZoom: [
                    { type: 'slider', xAxisIndex: 0, filterMode: 'weakFilter', showDataShadow: false, bottom: 60, height: 20 },
                    { type: 'inside', xAxisIndex: 0, filterMode: 'weakFilter' },
                    { type: 'slider', yAxisIndex: 0, filterMode: 'weakFilter', showDataShadow: false, right: 10, width: 20, top: '10%', bottom: '20%' },
                    { type: 'inside', yAxisIndex: 0, filterMode: 'weakFilter' }
                ]
            };
            myChart.setOption(option, true);
        }

        /**
         * @brief Selects all baseline filter checkboxes.
         */
        function selectAllBaselines() {
            baselineCheckboxContainer.querySelectorAll('input[type="checkbox"]').forEach(cb => cb.checked = true);
            triggerChartUpdate();
        }

        /**
         * @brief Deselects all baseline filter checkboxes.
         */
        function deselectAllBaselines() {
            baselineCheckboxContainer.querySelectorAll('input[type="checkbox"]').forEach(cb => cb.checked = false);
            triggerChartUpdate();
        }

        // Event Listeners
        document.addEventListener('DOMContentLoaded', () => {
            initChart(); // Initialize chart on load
            clearChartWithMessage("Please select a benchmark JSON file."); // Initial message
        });
        fileInput.addEventListener('change', handleFileSelect);
        fixtureSelect.addEventListener('change', updateAspectSelector);
        aspectSelect.addEventListener('change', triggerChartUpdate);
        selectAllBaselinesBtn.addEventListener('click', selectAllBaselines);
        deselectAllBaselinesBtn.addEventListener('click', deselectAllBaselines);

    </script>
</body>
</html>