Topics tagged io

Topic	Replies	Views	Activity
Share RNTupleReader field addresses across multiple files ROOT io , tree , root	6	142	July 3, 2026
Ignore fields when reading an RNTuple ROOT io , tree , root	4	111	June 25, 2026
Quiet writing failure when applying schema evolution while slow cloning ROOT io , tree , root	10	200	October 31, 2025
Schema Evolution: Renaming a `std::map` Member Variable ROOT io , tree	4	131	October 21, 2025
Manual schema evolution with I/O rules and branches containing vector<T> ROOT io	4	127	August 15, 2025
Appending an object of vector<double> to an existing TBranch Newbie io , root	3	183	February 7, 2024
Writing Streamer for I/O of a custom class ROOT io , root	14	575	December 21, 2023
Use RDataFrame with nested vectors (like vector<vector<float>>) without creating additional dictionaries Newbie io , tree , rdataframe	3	458	December 1, 2023
Saving TTree as class member leads to I/O error ROOT io , tree	5	355	October 18, 2023
Manual schema evolution when adding a data member leads to a crash when reading an old file ROOT io	4	286	August 22, 2023
Error reading std::vectors of custom classes interactively with the ROOT console ROOT io , cmake , cling	13	1013	December 16, 2022
Automatic Schema Evolution and moving a member from a Base class to a Derived class ROOT io	2	361	August 11, 2022
[ACAT-2021] ROOT Files Improved with Extreme Compression: use of software patents? ROOT io	4	555	December 3, 2021
Root Crashes When Using Ofstream Newbie io , root	4	612	October 27, 2021
Snapshot of RVec<RVec<T>> produces broken ROOT file ROOT io , tree , rdataframe	14	1410	April 13, 2021
Long time to close ROOT file with O(500k) histograms ROOT io , hist	3	624	March 31, 2021
Corrupted uid in TRefArray::fUIDs[0] after adding object already referenced from another process ROOT io	2	578	March 15, 2021
Serious degradation of I/O performance from 6.20/04 to 6.22/06 ROOT io , tree	13	1040	February 22, 2021
Std::bitset streamer: endianness issue? ROOT io	4	956	September 25, 2020
XML parsing for I/O Newbie io	1	720	September 20, 2020
ReadStreamerInfo illegal uid with newer ROOT versions ROOT io	1	1018	August 20, 2020
ROOT objects can no longer be pickled for shelve ROOT io , python , bug	6	721	April 30, 2020
Segmentation violation while writing histogram ROOT io , hist	4	1738	February 3, 2020
Segfaults when using RooAbsData.Tree Storange and handling multiple TFiles Roofit and RooStats io , python , roofit	4	1191	December 10, 2019
Hadd performance question followup ROOT io	13	1132	October 24, 2019
TFile::Write() vs. Flush() -- which makes file more usable? ROOT io	1	1038	July 26, 2019
Segfault when reading nonexistent histogram from TFile ROOT io	5	609	February 24, 2019
How to Rename a Class in Output with Backwards Compatibility ROOT io	4	1157	February 20, 2019
Parallel canvas generation and saving ROOT io , graphics	5	1048	February 9, 2019
June in-person ROOT I/O Workshop (June 20th, 2018) News io , tree	0	751	March 22, 2018