Release 6.32.00 - 2024-05-28
Release Notes
The release notes for this release can be found here. Highlights:
- RDataFrame - zero-code-change experience when moving from processing a TTree to processing an RNTuple, as well as a greatly improved Distributed RDataFrame: ROOT is ready to run at your favourite Analysis Facility – it even allows you to profit from an interactive experience backed by a distributed system using your current batch system (e.g. HTCondor, like the lxplus+lxbatch combination at CERN): try it now!
- RooFit - The new vectorizing CPU evaluation backend is the default for likelihood minimization, now up to 10x faster on a single CPU core!
- PyROOT - the interop engine of PyROOT, cppyy, was upgraded to its latest version, blurring the boundaries between Python and C++ in ROOT better than ever, e.g. the conversion of NumPy arrays to vectors, implicit conversion from nested Python tuples to nested initializer lists, and improved overload resolution.
- RNTuple – The RNTuple on-disk format was updated to release candidate 2, in preparation of the binary format first production freeze. The RNTuple API come with a major refactoring, improving consistency across different parts and improving overall robustness. Moreover:
- Merging of RNTuple data with hadd is now supported.
- A new RNTupleParallel writer class creates RNTuple data in highly concurrent settings.
- A new RNTupleInspector utility class provides information about the on-disk metadata of an RNTuple.
- Cling - Speaking of interpreters, the new PyROOT is glorified by a new LLVM version, LLVM 16, that comes with numerous advantages, among which a better support for C++ 20 as well as better and faster generated code.
- Graphics - The ROOT release 6.32 brings a lot of impressive enhancements to the Web Graphics package, surpassing the features and capabilities of version 6.30. This update provides users with a secure and more robust Web Graphics. Try it with the command
root –web! - REve - Lightweight rendering of any shape on the scale of hundred thousand of instances. The box, hexagon, and cone shape are showcased in the eve7 examples. The rendering of transparent objects is greatly improved.
All that comes with a greatly improved stability: more than 250 items in the ROOT trackers have been addressed for this release. Excellent news for experiments planning to include this release in their production software stacks!
Binary distributions
Instead of manually downloading this binary, please explore first whether your package manager already provides this version. This way, you will automatically keep up-to-date with the latest stable versions with no manual maintenance on your side.
Source distribution
| Platform | Files | Size |
|---|---|---|
| source | root_v6.32.00.source.tar.gz | 184M |
Installations in CVMFS
Standalone installations with minimal external dependencies are available at:
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.32.00/arm64-mac145-clang150-opt
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.32.00/x86_64-almalinux8.9-gcc85-opt
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.32.00/x86_64-almalinux9.4-gcc114-opt
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.32.00/x86_64-fedora39-gcc133-opt
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.32.00/x86_64-ubuntu20.04-gcc94-opt
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.32.00/x86_64-ubuntu22.04-gcc114-opt
/cvmfs/sft.cern.ch/lcg/app/releases/ROOT/6.32.00/x86_64-ubuntu24.04-gcc132-opt
Git
The entire ROOT source can be obtained from our public Git repository:
git clone https://github.com/root-project/root.git
The release specific tag can be obtained using:
cd root
git checkout -b v6-32-00 v6-32-00
See instructions to build from source.
Windows
Windows 10/7/… are supported. We offer two packaging types:
- exe: a regular Windows installer package also setting up the required environment variables. With uninstall via “Control Panel” / “Add or Remove Programs”. Simply download and start. You can double-click ROOT to run it; ROOT files get registered with Windows.
- tar: unpack e.g. with 7zip. Start ROOT in a Microsoft Visual Studio Prompt (in Start / Programs / Microsoft Visual Studio / Tools). If you installed ROOT to
C:\rootthen callC:\root\bin\thisroot.batbefore using ROOT to set up required environment variables. Call insteadthisroot.ps1if you run from apowershell(the default terminal in Visual Studio Code).
Important installation notes
- You must download the binary built with the exact same version of Visual Studio (and Python) than the one installed on your system.
- Don’t forget to select the component “Desktop development with C++” when running the Visual Studio Installer.
- Do not untar in a directory with a name containing blank characters.
- Take the release version if performance matters.
- If you want to debug your code you need the ROOT debug build (you cannot mix release / debug builds due to a Microsoft restriction).