Topics tagged io

Topic	Replies	Views	Activity
Ignore fields when reading an RNTuple ROOT io , tree , root	4	38	June 25, 2026
Quiet writing failure when applying schema evolution while slow cloning ROOT io , tree , root	11	81	November 14, 2025
Schema Evolution: Renaming a `std::map` Member Variable ROOT io , tree	5	79	November 4, 2025
Manual schema evolution with I/O rules and branches containing vector<T> ROOT io	5	93	August 29, 2025
Appending an object of vector<double> to an existing TBranch Newbie io , root	3	139	February 7, 2024
Writing Streamer for I/O of a custom class ROOT io , root	15	468	January 4, 2024
Use RDataFrame with nested vectors (like vector<vector<float>>) without creating additional dictionaries Newbie io , tree , rdataframe	3	412	December 1, 2023
Saving TTree as class member leads to I/O error ROOT io , tree	6	317	November 1, 2023
Manual schema evolution when adding a data member leads to a crash when reading an old file ROOT io	5	246	September 5, 2023
Error reading std::vectors of custom classes interactively with the ROOT console ROOT io , cmake , cling	14	913	December 30, 2022
Automatic Schema Evolution and moving a member from a Base class to a Derived class ROOT io	3	326	August 25, 2022
[ACAT-2021] ROOT Files Improved with Extreme Compression: use of software patents? ROOT io	5	503	December 17, 2021
Root Crashes When Using Ofstream Newbie io , root	4	583	October 27, 2021
Snapshot of RVec<RVec<T>> produces broken ROOT file ROOT io , tree , rdataframe	17	1349	April 20, 2021
Long time to close ROOT file with O(500k) histograms ROOT io , hist	4	589	April 14, 2021
Corrupted uid in TRefArray::fUIDs[0] after adding object already referenced from another process ROOT io	3	557	March 29, 2021
Serious degradation of I/O performance from 6.20/04 to 6.22/06 ROOT io , tree	14	920	March 8, 2021
Std::bitset streamer: endianness issue? ROOT io	5	902	October 9, 2020
XML parsing for I/O Newbie io	1	705	September 20, 2020
ReadStreamerInfo illegal uid with newer ROOT versions ROOT io	2	992	September 3, 2020
ROOT objects can no longer be pickled for shelve ROOT io , python , bug	7	668	May 14, 2020
Segmentation violation while writing histogram ROOT io , hist	5	1682	February 17, 2020
Segfaults when using RooAbsData.Tree Storange and handling multiple TFiles Roofit and RooStats io , python , roofit	5	1145	December 24, 2019
Hadd performance question followup ROOT io	15	1039	October 24, 2019
TFile::Write() vs. Flush() -- which makes file more usable? ROOT io	2	990	August 9, 2019
Segfault when reading nonexistent histogram from TFile ROOT io	6	582	March 10, 2019
How to Rename a Class in Output with Backwards Compatibility ROOT io	5	1115	March 6, 2019
Parallel canvas generation and saving ROOT io , graphics	6	1010	February 23, 2019
June in-person ROOT I/O Workshop (June 20th, 2018) News io , tree	1	733	April 5, 2018
Schema evolution for GenVector class ROOT io	4	553	December 21, 2017