c65c190b71
- 实现EPUB阅读器搜索功能及选中注释功能 - 优化CFI模块，修复代码审查发现的11个问题 - 实现大书远距目录跳转与后台补全优化方案 - 优化设置面板与章节运行时联动 - 重构及大量改进优化
65 lines
1.9 KiB
Swift
65 lines
1.9 KiB
Swift
import Foundation
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public struct RDEPUBTextPerformanceSample: Equatable {
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public var chapterHref: String
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public var renderDuration: TimeInterval
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public var paginateDuration: TimeInterval
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public var pageCount: Int
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public var attributedStringLength: Int
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public var cacheHit: Bool
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public init(
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chapterHref: String,
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renderDuration: TimeInterval,
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paginateDuration: TimeInterval,
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pageCount: Int,
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attributedStringLength: Int,
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cacheHit: Bool
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) {
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self.chapterHref = chapterHref
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self.renderDuration = renderDuration
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self.paginateDuration = paginateDuration
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self.pageCount = pageCount
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self.attributedStringLength = attributedStringLength
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self.cacheHit = cacheHit
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}
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}
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public final class RDEPUBTextPerformanceSampler {
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public private(set) var samples: [RDEPUBTextPerformanceSample] = []
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public var totalBuildDuration: TimeInterval = 0
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public init() {}
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public func record(_ sample: RDEPUBTextPerformanceSample) {
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samples.append(sample)
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#if DEBUG
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print("[PERF] \(sample.chapterHref): render=\(formatMS(sample.renderDuration)) paginate=\(formatMS(sample.paginateDuration)) pages=\(sample.pageCount) cache=\(sample.cacheHit ? "HIT" : "MISS")")
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#endif
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}
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public func summary() -> String {
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let totalRender = samples.reduce(0) { $0 + $1.renderDuration }
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let totalPaginate = samples.reduce(0) { $0 + $1.paginateDuration }
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let hitCount = samples.filter(\.cacheHit).count
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return "[PERF] chapters=\(samples.count) render=\(formatMS(totalRender)) paginate=\(formatMS(totalPaginate)) total=\(formatMS(totalBuildDuration)) cacheHits=\(hitCount)/\(samples.count)"
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}
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public func reset() {
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samples.removeAll()
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totalBuildDuration = 0
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}
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private func formatMS(_ duration: TimeInterval) -> String {
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String(format: "%.0fms", duration * 1000)
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}
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}
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