the Phoronix Test Suite readme is two releases ahead of its own tags

The readme is two releases ahead of the newest tag

Three version states, none of which agree. The newest release tag is 10.8.4, published in July 2022, with the two before it in April and February of the same year. The heading of the file calls the software 10.8.6, two releases further on than anything the release list shows. And the default branch received a push on 20 September 2026, four years after the newest tag. So the release tags stopped in 2022, the documentation kept counting past them, and the source kept moving without a tag. That combination has a practical consequence for anyone trying to work out what they are running: the number printed at the top of the readme is not the number of the artefact they can download, and neither is the number in a tag. Two files at the root try to help, a change log and a release highlights document, and the readme links to neither. Identifying a specific copy means using the branch you checked out.

The framework runs everywhere and the catalogue does not

Two portability claims sit next to each other in the installation section, and the second qualifies the first so precisely that it is easy to miss. The first names five operating systems and six processor architecture families, from the oldest 32-bit x86 through 64-bit x86, ARM in both widths, RISC-V and POWER. The second sentence says that not all of the test profiles and suites are compatible with all architectures. So the framework itself is portable and the library of measurements is not, which is the honest framing and also the practical trap: on an ARM machine or a POWER machine you will find that most of what you wanted to measure does not run, and the file does not tell you which ones do. The same paragraph is candid about operating systems, saying Linux is the most fully featured and well supported and that some non-basic functionality is unavailable elsewhere, rather than claiming parity across five systems.

One dependency, listed down to a version below its own floor

The dependency story is one sentence long and then gets interesting. The only hard requirement is command line support for the language, at version 5.3 or newer, and the file goes out of its way to say that a complete stack with a web server is not needed. For a tool this size that is a real design constraint rather than a boast: the test runner, the downloader, the result parser and the report generator all live inside the process, so there is no database and no daemon to stand up. But the list of package names to look for runs from the oldest naming scheme to the newest, and it includes the command line package for language version 5, which is below the stated floor of 5.3. Nobody is misled by it in practice, since anything that ships version 5 satisfies the floor, but it is the clearest signal in the file that the dependency paragraph was written once and appended to rather than kept in step with the version above it.

Two commercial platforms are described in the first screen

The opening two paragraphs of the file are not only about the open source tool. One collaborative storage platform is introduced as a place with more than six hundred profiles and two hundred suites available by default, where independent users can upload their own results, profiles and suites, and where side-by-side result comparison happens. A second platform is then described as complementary, for driving clients on a timed or per-commit trigger, explicitly designed for enterprise, managing multiple networked systems from one web interface. Then a line offering professional support and custom engineering for all three things. None of that is hidden, and it is the honest architecture of a project that is client, protocol and service at once. But a reader who arrives expecting an independent benchmarking tool is reading a document whose first screen is also a sales page for two hosted products that are built on it.

A hosted-platform cache directory is committed at the root

The top level of the repository is fifteen entries, and one of them is a cache directory with a three letter name that belongs to the collaborative platform rather than to the framework. It sits beside the launcher script, the core framework directory, the documentation directory, and a deploy directory, which means the checkout you get is shaped like a working installation rather than like a clean source tree. The two launcher scripts are also at the root, one a bare name with no file extension and one with the batch extension beside it, which is the conventional way to ship a program that is run by path. Alongside them sit three separate installers, one shell script, one batch file and one with a macOS name, so the installation story is four scripts rather than a documented package. The file explains that the tool can be installed system wide or simply run from an extracted archive, and that is genuinely all you need. What is not in the file is any distribution package name, which is the question most people arriving here are asking. The shortest demonstration of the whole thing is one sub-command and a profile name:

phoronix-test-suite benchmark smallpt

A profile is shell scripts and XML, a suite is one XML file

The whole data model is two sentences, and they are the most useful technical content in the file. A test profile is a single test, and it is made of a set of Bash or shell scripts together with XML files. A test suite is a seamless collection of profiles and other suites, and it is a single XML file. So the unit of measurement is a directory you can read, the unit of grouping is a document, and the relationship between them is a directory reference. Two consequences follow. Because a profile is shell, adding a measurement means writing shell and committing it, which is why the file describes the architecture as extensible rather than pluggable, and why version control integration exists: modules wire the suite into a bisection tool so a regression can be traced to the commit that introduced it. And because results carry the profile that produced them, a comparison is meaningful in a way that a raw number is not, which is the entire argument for the hosted comparison platform.

No package manager route, which is the question people arrive with

Here is the gap between the documentation and its audience. The file gives you the language dependency, four install scripts, and an option to run from an extracted archive, and that is enough to get going. What it does not contain is a single line naming a distribution package, on any of the five operating systems it supports. Meanwhile the surrounding traffic for this tool is almost entirely that question phrased per distribution, on the two most common desktop distributions, on the Arch derivative and on a Linux Mint variant, plus a Windows variant and a question about whether the tool is any good. So the file answers the hard question well, which is how a profile is structured, and does not answer the easy one, which is how to get it. The commands themselves are short enough to state in full: install a profile, run it, or run a whole range with the benchmark sub-command and a profile name.

Editorial conclusion

Use this if you need reproducible measurements on your own hardware rather than a leaderboard number, because the whole design is built around a profile being a small set of shell scripts you can read, edit and version alongside your source, and around results being comparable because the profile that produced them is stored with them. Two things to know before you rely on it. Portability is a property of the framework, not of the catalogue: it runs on five operating systems and six processor architectures, and the file says in the same paragraph that not every profile works on every architecture. And the version numbering does not tell you what you have, since the file's own heading is ahead of the newest tag, so identify your copy by the branch you checked out rather than by a number in the title.

Frequently asked questions

Official sources

1. Official documentation
2. Official README
3. Project repository
4. Release notes