Simulator zh CN

模拟器中包含一系列的驱逐策略和数据分发生成器。这将帮助我们了解各个驱逐策略是否适合使用场景。

使用方法

在配置完所需要的 配置之后，在IDE中运行模拟器。或者也可以选择在命令行中使用:

# Single run, displays ascii table by default
gradlew simulator:run -q -PjvmArgs=<optional>

# Multiple runs, writes a combined report, and renders a chart
gradlew simulator:simulate -q \
  --maximumSize=<comma separated list; supports _ numeric literal> \
  --theme=<light, dark> \
  --jvmArgs=<optional> \
  --title=<optional>

# In both, additional configuration may be supplied as system properties
  -Dcaffeine.simulator.files.paths.0=multi3.trace.gz

命令。支持以下几种追踪格式：

仓库	位置	仓库	位置
AdaptSize	author's simulator	Address (UCSD)	git repository
ARC	author's homepage	Cache2k	git repository
CameLab	project's homepage	Cloud Physics	git repository, lirs2 drive
Corda	git repository	Gradle	git repository
Kaggle	project's homepage	LIRS	git repository
LRB	author's simulator	Scarab	git repository
SNIA	project's homepage	Tragen	project's homepage
Twitter	project's homepage	UMass	project's homepage
WikiBench	project's homepage

采样报告

由于批处理和数据广播的原因，时间指标只有在独立运行各个策略的时候才有比较的价值。

╔══════════════════════╤══════════╤════════════╤════════════╤════════════╤════════════╤═══════════╗
║ Policy               │ Hit Rate │ Hits       │ Misses     │ Requests   │ Evictions  │ Time      ║
╠══════════════════════╪══════════╪════════════╪════════════╪════════════╪════════════╪═══════════╣
║ opt.Clairvoyant      │ 48.09 %  │ 21,019,597 │ 22,685,382 │ 43,704,979 │ 18,685,382 │ 2.301 min ║
╟──────────────────────┼──────────┼────────────┼────────────┼────────────┼────────────┼───────────╢
║ sketch.WindowTinyLfu │ 45.25 %  │ 19,775,085 │ 23,929,894 │ 43,704,979 │ 19,929,894 │ 1.460 min ║
╟──────────────────────┼──────────┼────────────┼────────────┼────────────┼────────────┼───────────╢
║ irr.Lirs             │ 38.14 %  │ 16,668,577 │ 27,036,402 │ 43,704,979 │ 23,036,402 │ 1.319 min ║
╟──────────────────────┼──────────┼────────────┼────────────┼────────────┼────────────┼───────────╢
║ adaptive.Arc         │ 29.60 %  │ 12,938,241 │ 30,766,738 │ 43,704,979 │ 26,766,738 │ 1.249 min ║
╟──────────────────────┼──────────┼────────────┼────────────┼────────────┼────────────┼───────────╢
║ linked.Lru           │ 20.24 %  │  8,847,982 │ 34,856,997 │ 43,704,979 │ 30,856,997 │ 1.218 min ║
╚══════════════════════╧══════════╧════════════╧════════════╧════════════╧════════════╧═══════════╝