fixing test, making profiling
This commit is contained in:
Michael Freno
239
profiling/__profiles__/memory_profile.lua
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239
profiling/__profiles__/memory_profile.lua
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@@ -0,0 +1,239 @@
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-- Memory Profile
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-- Tests memory usage and GC patterns
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local FlexLove = require("FlexLove")
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local profile = {
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elementCount = 100,
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maxElements = 500,
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minElements = 50,
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root = nil,
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memoryStats = {
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startMemory = 0,
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currentMemory = 0,
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peakMemory = 0,
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gcCount = 0,
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lastGCTime = 0,
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},
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updateTimer = 0,
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createDestroyTimer = 0,
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createDestroyInterval = 2, -- seconds between create/destroy cycles
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}
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function profile.init()
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FlexLove.init({
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width = love.graphics.getWidth(),
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height = love.graphics.getHeight(),
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gcStrategy = "manual", -- Manual GC for testing
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})
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-- Record starting memory
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collectgarbage("collect")
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collectgarbage("collect")
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profile.memoryStats.startMemory = collectgarbage("count") / 1024 -- MB
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profile.memoryStats.peakMemory = profile.memoryStats.startMemory
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profile.buildLayout()
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end
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function profile.buildLayout()
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-- Clear existing root
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if profile.root then
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profile.root = nil
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end
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profile.root = FlexLove.new({
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width = "100%",
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height = "100%",
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backgroundColor = {0.05, 0.05, 0.1, 1},
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flexDirection = "column",
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overflow = "scroll",
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padding = 20,
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gap = 10,
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})
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-- Create elements container
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local elementsContainer = FlexLove.new({
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width = "100%",
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flexDirection = "row",
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flexWrap = "wrap",
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gap = 5,
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marginBottom = 20,
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})
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for i = 1, profile.elementCount do
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local hue = (i / profile.elementCount) * 360
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local color = {
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0.3 + 0.5 * math.sin(hue * math.pi / 180),
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0.3 + 0.5 * math.sin((hue + 120) * math.pi / 180),
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0.3 + 0.5 * math.sin((hue + 240) * math.pi / 180),
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1
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}
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local box = FlexLove.new({
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width = 50,
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height = 50,
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backgroundColor = color,
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borderRadius = 8,
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margin = 2,
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})
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elementsContainer:addChild(box)
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end
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profile.root:addChild(elementsContainer)
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-- Memory stats panel
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local statsPanel = FlexLove.new({
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width = "100%",
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padding = 15,
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backgroundColor = {0.1, 0.1, 0.2, 0.9},
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borderRadius = 8,
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flexDirection = "column",
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gap = 5,
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})
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local currentMem = collectgarbage("count") / 1024
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local memGrowth = currentMem - profile.memoryStats.startMemory
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statsPanel:addChild(FlexLove.new({
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textContent = string.format("Memory Profile | Elements: %d", profile.elementCount),
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fontSize = 18,
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color = {1, 1, 1, 1},
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}))
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statsPanel:addChild(FlexLove.new({
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textContent = string.format("Current: %.2f MB | Peak: %.2f MB", currentMem, profile.memoryStats.peakMemory),
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fontSize = 14,
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color = {0.8, 0.8, 0.8, 1},
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}))
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statsPanel:addChild(FlexLove.new({
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textContent = string.format("Growth: %.2f MB | GC Count: %d", memGrowth, profile.memoryStats.gcCount),
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fontSize = 14,
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color = {0.8, 0.8, 0.8, 1},
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}))
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statsPanel:addChild(FlexLove.new({
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textContent = "Press G to force GC | Press +/- to adjust elements",
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fontSize = 12,
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color = {0.7, 0.7, 0.7, 1},
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}))
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profile.root:addChild(statsPanel)
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end
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function profile.update(dt)
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profile.updateTimer = profile.updateTimer + dt
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profile.createDestroyTimer = profile.createDestroyTimer + dt
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-- Update memory stats every 0.5 seconds
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if profile.updateTimer >= 0.5 then
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profile.updateTimer = 0
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profile.memoryStats.currentMemory = collectgarbage("count") / 1024
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if profile.memoryStats.currentMemory > profile.memoryStats.peakMemory then
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profile.memoryStats.peakMemory = profile.memoryStats.currentMemory
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end
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-- Rebuild to update stats display
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profile.buildLayout()
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end
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-- Automatically create and destroy elements to stress GC
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if profile.createDestroyTimer >= profile.createDestroyInterval then
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profile.createDestroyTimer = 0
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-- Destroy old elements
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profile.root = nil
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-- Create new elements
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profile.buildLayout()
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end
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end
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function profile.draw()
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if profile.root then
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profile.root:draw()
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end
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-- Overlay info
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love.graphics.setColor(1, 1, 1, 1)
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love.graphics.print("Memory Stress Test", 10, love.graphics.getHeight() - 140)
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love.graphics.print(
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string.format("Elements: %d | Range: %d-%d",
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profile.elementCount,
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profile.minElements,
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profile.maxElements
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),
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10,
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love.graphics.getHeight() - 120
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)
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love.graphics.print(
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string.format("Memory: %.2f MB | Peak: %.2f MB",
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collectgarbage("count") / 1024,
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profile.memoryStats.peakMemory
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),
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10,
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love.graphics.getHeight() - 100
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)
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love.graphics.print(
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string.format("GC Count: %d | Strategy: manual",
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profile.memoryStats.gcCount
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),
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10,
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love.graphics.getHeight() - 80
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)
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love.graphics.print("Press G to force garbage collection", 10, love.graphics.getHeight() - 60)
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love.graphics.print("Press + to add 25 elements", 10, love.graphics.getHeight() - 45)
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love.graphics.print("Press - to remove 25 elements", 10, love.graphics.getHeight() - 30)
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end
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function profile.keypressed(key)
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if key == "=" or key == "+" then
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profile.elementCount = math.min(profile.maxElements, profile.elementCount + 25)
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profile.buildLayout()
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elseif key == "-" or key == "_" then
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profile.elementCount = math.max(profile.minElements, profile.elementCount - 25)
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profile.buildLayout()
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elseif key == "g" then
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-- Force garbage collection
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local beforeGC = collectgarbage("count") / 1024
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collectgarbage("collect")
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collectgarbage("collect") -- Run twice for thorough cleanup
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local afterGC = collectgarbage("count") / 1024
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profile.memoryStats.gcCount = profile.memoryStats.gcCount + 1
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profile.memoryStats.lastGCTime = love.timer.getTime()
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print(string.format("Manual GC: %.2f MB -> %.2f MB (freed %.2f MB)",
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beforeGC, afterGC, beforeGC - afterGC))
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profile.buildLayout() -- Update stats display
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end
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end
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function profile.resize(w, h)
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FlexLove.resize(w, h)
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profile.buildLayout()
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end
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function profile.reset()
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profile.elementCount = 100
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collectgarbage("collect")
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collectgarbage("collect")
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profile.memoryStats.startMemory = collectgarbage("count") / 1024
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profile.memoryStats.peakMemory = profile.memoryStats.startMemory
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profile.memoryStats.gcCount = 0
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profile.memoryStats.lastGCTime = 0
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profile.updateTimer = 0
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profile.createDestroyTimer = 0
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profile.buildLayout()
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end
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function profile.cleanup()
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profile.root = nil
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collectgarbage("collect")
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collectgarbage("collect")
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end
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return profile
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