# libcachesim | Juncheng Yang | Knowledge Base | Instagit

a high performance library for building cache simulators

GitHub Stars: 288

Repository: https://github.com/1a1a11a/libcachesim

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## Articles

### [How to Contribute New Eviction Algorithms to libCacheSim: A Developer's Guide](/1a1a11a/libcachesim/contribute-new-eviction-algorithms-libcachesim-project)

Learn how to contribute new eviction algorithms to libCacheSim. Implement the cache_t interface, register your module, and validate with the test harness. A developer's guide for libCacheSim contributions.

- Tags: how-to-guide
- Published: 2026-02-23

### [How to Build a Cache Simulator Using the C++ API of libCacheSim: A Complete Guide](/1a1a11a/libcachesim/build-cache-simulator-cpp-api-libcachesim)

Learn to build a high-performance cache simulator using the libCacheSim C++ API. This guide details using the trace reader, cache object, and request handler for efficient simulation.

- Tags: tutorial
- Published: 2026-02-23

### [How to Consider Object Size Distributions in libCacheSim Simulations: A Complete Guide](/1a1a11a/libcachesim/consider-object-size-distributions-libcachesim-simulations)

Learn how to consider object size distributions in libCacheSim simulations using request_t.obj_size and ignore_obj_size for statistical analysis and byte-aware caching.

- Tags: how-to-guide
- Published: 2026-02-23

### [How to Simulate Fractional Cache Sizes (Percentage of Working Set) in libCacheSim](/1a1a11a/libcachesim/simulate-fractional-cache-sizes-libcachesim)

Learn to simulate fractional cache sizes in libCacheSim. Specify cache capacity as a percentage of your working set for precise memory analysis.

- Tags: how-to-guide
- Published: 2026-02-23

### [How to Interpret libCacheSim Trace Analysis Output to Identify Cache Performance Issues](/1a1a11a/libcachesim/interpret-libcachesim-trace-analysis-output-identify-issues)

Learn to interpret libCacheSim trace analysis output and diagnose cache performance issues. Decode metrics from stat files to pinpoint problems like cold misses and write amplification.

- Tags: how-to-guide
- Published: 2026-02-23

### [Does libCacheSim Support Concurrent or Parallel Trace Processing?](/1a1a11a/libcachesim/libcachesim-support-concurrent-parallel-trace-processing)

Learn how libCacheSim handles concurrent trace processing. Discover its parallel simulation capabilities using GLib's thread pool for efficient performance analysis.

- Tags: how-to-guide
- Published: 2026-02-23

### [How to Compare Different Cache Algorithms Fairly in libCacheSim](/1a1a11a/libcachesim/compare-cache-algorithms-fairly-libcachesim)

Compare cache algorithms fairly in libCacheSim. Run eviction policies side-by-side on the same trace with identical configurations for accurate results.

- Tags: best-practices
- Published: 2026-02-23

### [How to Configure Hashpower and Memory Footprint for libCacheSim Simulations](/1a1a11a/libcachesim/configure-hashpower-memory-footprint-libcachesim)

Optimize libCacheSim simulations by configuring hashpower and memory footprint. Learn how hashpower controls table size, impacting memory usage for your cache simulations.

- Tags: how-to-guide
- Published: 2026-02-23

### [Approximate Miss Ratio Computation Using Sampling in libCacheSim: SHARDS and MINISIM Explained](/1a1a11a/libcachesim/libcachesim-approximate-miss-ratio-computation-sampling)

Discover how libCacheSim computes approximate miss ratios using SHARDS and MINISIM sampling profilers. Estimate miss-ratio curves from trace samples with high accuracy.

- Tags: deep-dive
- Published: 2026-02-23

### [How to Extend libCacheSim to Support New Custom Trace Types: A 4-Step Implementation Guide](/1a1a11a/libcachesim/extend-libcachesim-support-custom-trace-types)

Effortlessly extend libCacheSim for custom trace types. Follow our 4-step implementation guide to define new entries, register mappings, wire dispatchers, and implement interface functions.

- Tags: how-to-guide
- Published: 2026-02-23

### [How to Efficiently Process Very Large Cache Traces (Billions of Requests) with libCacheSim](/1a1a11a/libcachesim/process-large-cache-traces-efficiently-libcachesim)

Efficiently process billions of requests with libCacheSim. Discover how to manage large cache traces using memory mapping, sampling, and thread pools for constant memory and high CPU use.

- Tags: how-to-guide
- Published: 2026-02-23

### [Which Eviction Algorithm Is Best for Your Workload in libCacheSim: S3‑FIFO vs. Sieve vs. LRU](/1a1a11a/libcachesim/which-eviction-algorithm-best-workload-libcachesim)

Discover the best eviction algorithm for your workload in libCacheSim. Compare S3-FIFO, Sieve, and LRU to optimize cache performance and reduce misses.

- Tags: best-practices
- Published: 2026-02-23

### [How to Integrate libCacheSim as a C Library into Existing Applications](/1a1a11a/libcachesim/integrate-libcachesim-c-library-existing-applications)

Easily integrate libCacheSim as a C library into your existing applications. Learn how to initialize, read requests, and compute miss ratios to enhance performance.

- Tags: how-to-guide
- Published: 2026-02-23

### [How to Debug libCacheSim Simulations with GDB: Complete Developer Guide](/1a1a11a/libcachesim/debug-libcachesim-simulations-gdb)

Learn to debug libCacheSim simulations using GDB with our complete developer guide. Our script automates building a debug CMake configuration and launches GDB for source-level debugging.

- Tags: how-to-guide
- Published: 2026-02-23

### [How to Use the Trace Analyzer in libCacheSim for Performance Insights](/1a1a11a/libcachesim/use-trace-analyzer-performance-insights-libcachesim)

Unlock performance insights with libCacheSim's trace analyzer. Build, run with flags, and visualize .dat files using bundled Python scripts.

- Tags: how-to-guide
- Published: 2026-02-23

### [How to Generate Miss Ratio Curves Using the MRC Profiler in libCacheSim](/1a1a11a/libcachesim/generate-miss-ratio-curves-mrc-profiler-libcachesim)

Easily generate miss ratio curves with libCacheSim's MRC profiler. This script automates simulations across cache sizes and plots request and byte miss ratios. Get insights into your cache performance.

- Tags: how-to-guide
- Published: 2026-02-23

### [How to Implement Prefetching Algorithms (OBL, Mithril, PG) in libCacheSim](/1a1a11a/libcachesim/implement-prefetching-algorithms-libcachesim)

Implement OBL, Mithril, and PG prefetching algorithms in libCacheSim. Learn how to attach prefetcher objects and invoke callbacks for predictive fetches in your cache simulation.

- Tags: how-to-guide
- Published: 2026-02-23

### [How to Configure and Use Admission Algorithms (AdaptSize, BloomFilter, Prob, Size) in libCacheSim](/1a1a11a/libcachesim/configure-use-admission-algorithms-libcachesim)

Master libCacheSim admission algorithms like AdaptSize, BloomFilter, Prob, and Size. Learn to configure and use these powerful object filtering tools via CLI or C API for optimized caching.

- Tags: how-to-guide
- Published: 2026-02-23

### [How to Handle Zstandard Compressed Traces Directly in libCacheSim](/1a1a11a/libcachesim/handle-zstd-compressed-traces-directly-libcachesim)

Effortlessly handle Zstandard compressed traces in libCacheSim. Stream decompressed data on-the-fly with the SUPPORT_ZSTD_TRACE flag. No code changes needed.

- Tags: how-to-guide
- Published: 2026-02-23

### [libCacheSim Trace Formats: Complete Guide to CSV, VSCSI, Binary, and OracleGeneral Support](/1a1a11a/libcachesim/what-trace-formats-support-libcachesim)

Explore libCacheSim trace formats like CSV VSCSI binary and OracleGeneral. Understand how to use each format with this comprehensive guide.

- Tags: api-reference
- Published: 2026-02-23

### [How to Set Up a Cache Cluster Using Consistent Hashing in libCacheSim](/1a1a11a/libcachesim/setup-cache-cluster-consistent-hashing-libcachesim)

Learn how to set up a cache cluster with libCacheSim using consistent hashing. Understand virtual node rings, weighted distribution, and dynamic topology changes for efficient caching.

- Tags: how-to-guide
- Published: 2026-02-23

### [How to Build a Multi-Layer Cache Hierarchy Simulator with libCacheSim](/1a1a11a/libcachesim/build-multi-layer-cache-hierarchy-simulator-libcachesim)

Learn to build a multi-layer cache hierarchy simulator with libCacheSim. Explore parallel trace processing and YAML configuration for efficient cache simulation. GitHub repo available.

- Tags: how-to-guide
- Published: 2026-02-23

### [How to Use the Python API for Cache Simulation in libCacheSim: A Complete Guide](/1a1a11a/libcachesim/use-python-api-cache-simulation-libcachesim)

Learn to use the Python API for cache simulation in libCacheSim. Easily analyze miss-ratio curves with lightweight wrappers and parsed output. Get started today.

- Tags: how-to-guide
- Published: 2026-02-23

### [How to Implement a Custom Eviction Algorithm in libCacheSim Using Plugins](/1a1a11a/libcachesim/implement-custom-eviction-algorithm-libcachesim-plugins)

Learn to implement a custom eviction algorithm in libCacheSim using its plugin system. Create new cache replacement policies as shared libraries without core modifications.

- Tags: how-to-guide
- Published: 2026-02-23