PrimoCache Preloader Script

PrimoCache keeps track of use frequency for all data blocks in underlying slow disks. And when system is idle, PrimoCache will store high frequently used data blocks to level-2 (L2) cache. Later if a data block requested by system or applications can be found in L2 cache, PrimoCache will directly read L2 cache to get this data block.

However, building up the L2 cache can be a slow process, taking days or even weeks. Another limitation is that PrimoCache only caches files when they are read. Which means it won’t enhance the access speed for files that are rarely used or never opened before.

While PrimoCache is a powerful tool for improving disk read speeds, its method of incrementally populating the L2 cache over time means it might not immediately cache the files that you are working on or using right now. To combat this we need to

PrimoCache typically populates its L2 cache incrementally over time, which can take days or weeks, and it might not prioritize the files you need the most.

Introducing the PrimoCache Preloader Script

Based by RobF’s post on the Romex Software Forum, this script preloads the files into PrimoCache by systematically reading files from a specified directory, thereby ensuring their addition to PrimoCache’s cache in a more immediate and targeted manner.

This script directly reads files from a specified directory, which should prompt PrimoCache to add these files to its cache.

Key Features of the Script:

  • Immediate Caching: By preloading files, the script ensures that PrimoCache’s L2 cache is immediately populated with the data you deem most critical, bypassing the software’s slower, incremental caching process.
  • Data Integrity: Designed with safety in mind, the script performs read-only operations, meaning it accesses files without modifying or deleting them, thus preserving the integrity of your data.
  • Customizable Performance: Through the use of multithreading, the script allows for concurrent reading of multiple files, enhancing the preloading process’s efficiency. Users can adjust the number of threads based on their system’s capabilities, offering flexibility to optimize performance without overloading system resources.

How to Use the Script

The script is straightforward to use, requiring just Python 3.x and command-line execution. Users specify the starting directory and the file pattern (e.g., *.* for all files), and the script handles the rest, systematically reading the files and facilitating their caching by PrimoCache.

A Step-by-Step Guide:

  1. Prepare Your Environment: Ensure Python 3.x is installed on your system.
  2. Download the Script: Obtain the PrimoCache Multithreaded Preloader Script and place it in a convenient location.
  3. Execute the Script: Open your command line, navigate to the script’s location, and run it with the appropriate arguments for your target directory and file pattern.

Benefits for Users

The immediate benefit of using the PrimoCache Multithreaded Preloader Script is the dramatic reduction in load times for the files you access most frequently. This can be a game-changer for applications that rely on rapid data access, from speeding up game load times to reducing latency in professional video editing suites and enhancing productivity in data-intensive computing tasks.


The PrimoCache Multithreaded Preloader Script represents a significant step forward in customizing how caching solutions like PrimoCache can be tailored to meet individual user needs. By ensuring that critical files are cached promptly and efficiently, the script empowers users to take full control of their system’s performance, unlocking new levels of speed and responsiveness. Whether you’re a gamer looking to eliminate load times, a professional requiring quick access to large files, or anyone in between, this script offers a powerful tool for optimizing your computing experience.


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