Topics tagged io

Topic	Replies	Views	Activity
Share RNTupleReader field addresses across multiple files ROOT io , tree , root	6	134	July 3, 2026
Ignore fields when reading an RNTuple ROOT io , tree , root	4	102	June 25, 2026
Quiet writing failure when applying schema evolution while slow cloning ROOT io , tree , root	10	172	October 31, 2025
Schema Evolution: Renaming a `std::map` Member Variable ROOT io , tree	4	113	October 21, 2025
Manual schema evolution with I/O rules and branches containing vector<T> ROOT io	4	114	August 15, 2025
Appending an object of vector<double> to an existing TBranch Newbie io , root	3	172	February 7, 2024
Writing Streamer for I/O of a custom class ROOT io , root	14	561	December 21, 2023
Use RDataFrame with nested vectors (like vector<vector<float>>) without creating additional dictionaries Newbie io , tree , rdataframe	3	446	December 1, 2023
Saving TTree as class member leads to I/O error ROOT io , tree	5	352	October 18, 2023
Manual schema evolution when adding a data member leads to a crash when reading an old file ROOT io	4	279	August 22, 2023
Error reading std::vectors of custom classes interactively with the ROOT console ROOT io , cmake , cling	13	983	December 16, 2022
Automatic Schema Evolution and moving a member from a Base class to a Derived class ROOT io	2	356	August 11, 2022
[ACAT-2021] ROOT Files Improved with Extreme Compression: use of software patents? ROOT io	4	553	December 3, 2021
Root Crashes When Using Ofstream Newbie io , root	4	605	October 27, 2021
Snapshot of RVec<RVec<T>> produces broken ROOT file ROOT io , tree , rdataframe	14	1400	April 13, 2021
Long time to close ROOT file with O(500k) histograms ROOT io , hist	3	618	March 31, 2021
Corrupted uid in TRefArray::fUIDs[0] after adding object already referenced from another process ROOT io	2	573	March 15, 2021
Serious degradation of I/O performance from 6.20/04 to 6.22/06 ROOT io , tree	13	1011	February 22, 2021
Std::bitset streamer: endianness issue? ROOT io	4	941	September 25, 2020
XML parsing for I/O Newbie io	1	719	September 20, 2020
ReadStreamerInfo illegal uid with newer ROOT versions ROOT io	1	1011	August 20, 2020
ROOT objects can no longer be pickled for shelve ROOT io , python , bug	6	712	April 30, 2020
Segmentation violation while writing histogram ROOT io , hist	4	1726	February 3, 2020
Segfaults when using RooAbsData.Tree Storange and handling multiple TFiles Roofit and RooStats io , python , roofit	4	1183	December 10, 2019
Hadd performance question followup ROOT io	13	1121	October 24, 2019
TFile::Write() vs. Flush() -- which makes file more usable? ROOT io	1	1020	July 26, 2019
Segfault when reading nonexistent histogram from TFile ROOT io	5	608	February 24, 2019
How to Rename a Class in Output with Backwards Compatibility ROOT io	4	1145	February 20, 2019
Parallel canvas generation and saving ROOT io , graphics	5	1044	February 9, 2019
June in-person ROOT I/O Workshop (June 20th, 2018) News io , tree	0	746	March 22, 2018