hpc/ior

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IOR and mdtest

Stars: 487
Forks: 200
Open beginner issues: 0
Indexed issues: 46
Avg merge: 1d 21h
Merged PRs (30d): 2

Dominant language: C
License: No license data
Last GitHub push: Sep 9, 2026
Latest indexed: Sep 20, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

Open All

46 open issues indexed

IOR summary shows -nan values when MaxTimeDuration is reached before all iterations are completed. Open

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

hpc/ior#542 · Opened Aug 31, 2026
GPU Direct Storage abstraction and AMD hipFile support Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

hpc/ior#541 · Opened Jul 6, 2026
I’m testing GPFS (Spectrum Scale) with IOR. What are the optimal parameters to maximize aggregate throughput? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

hpc/ior#538 · Opened May 27, 2026
Add task to processor mapping to output Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

hpc/ior#534 · Opened Mar 5, 2026
IOPS mismatch with [Max|Min|Mean](OPS) Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

hpc/ior#532 · Opened Feb 10, 2026
Build of 4.0.0 fails with GCC 15 Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

hpc/ior#530 · Opened Sep 16, 2025
why "ERROR: block size must be a multiple of access size" Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

hpc/ior#520 · 1 comment · Opened May 2, 2025
Why does the performance of Tree creation and removal decrease after adding parameter -u ? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

hpc/ior#513 · 3 comments · Opened Mar 12, 2025
mdtest: Add summaryFormat:JSON and output file: summaryFile support in the commnd line Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

hpc/ior#509 · Opened Feb 11, 2025
Syntax Error with IOR Benchmarks Parameters Open

documentation Great First Contribution

Difficulty 3/5 1-2 days Newbie friendliness 35/100

hpc/ior#499 · 1 comment · Opened Sep 18, 2024
Excessive file fragmentation on parallel file creation Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

hpc/ior#496 · 2 comments · Opened Aug 15, 2024
[macOS 14.5]ld: unknown options: --enable-new-dtags -rpath=check/lib64 --enable-new-dtags -rpath=check/lib64 Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

hpc/ior#494 · 1 comment · Opened Jun 21, 2024
Build issues for GPU Direct Storage (GDS) enabled IOR Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

hpc/ior#486 · 2 comments · Opened May 6, 2024
Summary OPs wrong calculation Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

hpc/ior#478 · Opened Feb 21, 2024
[suggestion] multiple output-formats Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

hpc/ior#476 · 2 comments · 1 reaction · Opened Feb 14, 2024
cryptic error message when file is missing Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

hpc/ior#470 · 1 comment · Opened Oct 16, 2023
numTasks - bug still in the documentation Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

hpc/ior#468 · Opened Aug 29, 2023
aio reads broken? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

hpc/ior#461 · 4 comments · Opened May 14, 2023
configure: error: --with-lustre was given, <lustre/lustre_user.h> not found Open

Difficulty 4/5 3-5 days Newbie friendliness 28/100

hpc/ior#460 · 2 comments · Opened Apr 25, 2023
IOR HDF5 backend no longer works Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

hpc/ior#456 · 4 comments · Opened Feb 28, 2023
There is no need to install lib/libaiori.a without corresponding headers Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

hpc/ior#454 · Opened Jan 20, 2023
HDF5 API: Unable to delete file when using HDF5 1.12.1 Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

hpc/ior#443 · Opened Nov 18, 2022
make s3 aiori that uses the official s3 c api Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

hpc/ior#442 · 8 comments · Opened Nov 3, 2022
[suggestion] Cleanup and install headers Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

hpc/ior#432 · 1 comment · Opened Aug 15, 2022
IOR miscalculates bandwidth when time drift is large Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

hpc/ior#431 · 1 comment · Opened Aug 8, 2022
Cannot build with backends other than default ones Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

hpc/ior#421 · 2 comments · Opened Jun 6, 2022
[suggestion] dynamically-loaded backend Open

enhancement Great First Contribution

Difficulty 5/5 Over a week Newbie friendliness 35/100

hpc/ior#397 · 3 comments · Opened Nov 14, 2021
Configure fails on Mac OS 11.3 (Big Sur) Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

hpc/ior#383 · 8 comments · Opened Jul 29, 2021
support explicitly placing files on specific Lustre OSTs Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

hpc/ior#371 · Opened May 14, 2021
ior-3.3 lustre support doesn't work with newer lustres Open

backport bug

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

hpc/ior#353 · 2 comments · 1 reaction · Opened Mar 27, 2021
posix aiori reports bogus errors on EOF for version 3.3.0 Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

hpc/ior#346 · 1 comment · Opened Mar 15, 2021
Support GPU direct as memory endpoint Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

hpc/ior#284 · 23 comments · Opened Nov 30, 2020
mdtest options not documented in man page Open

documentation

Difficulty 3/5 1-2 days Newbie friendliness 55/100

hpc/ior#277 · Opened Nov 24, 2020
-q quitOnError option is now --warningAsErrors user guide is outdated Open

documentation

Difficulty 1/5 Under an hour Newbie friendliness 52/100

hpc/ior#256 · 2 comments · Opened Sep 9, 2020
Install page should probably tell you how to get the code Open

documentation

hpc/ior#216 · 1 assignee · Opened Mar 3, 2020
add regression test for read verification after write Open

enhancement

Difficulty 3/5 Half a day Newbie friendliness 35/100

hpc/ior#193 · Opened Oct 16, 2019
Read/write distribution and file size distribution Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

hpc/ior#191 · 17 comments · Opened Oct 15, 2019
documentation should be made consistent Open

documentation enhancement

hpc/ior#152 · 1 assignee · Opened May 16, 2019
documentation for mdtest Open

documentation

Difficulty 2/5 1-3 hours Newbie friendliness 30/100

hpc/ior#138 · 3 comments · Opened Mar 25, 2019
Configuring ior with --with-gpfs=/usr/lpp/mmfs does not succeed Open

hpc/ior#131 · 6 comments · 1 assignee · Opened Jan 28, 2019
mdtest output is not configurable Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

hpc/ior#126 · 1 comment · 1 reaction · Opened Jan 10, 2019
'hintsFile' should be close enough! Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

hpc/ior#85 · 5 comments · Opened Sep 19, 2018
bibtex entry Open

nearly-complete

hpc/ior#65 · 4 comments · 1 assignee · Opened Jul 24, 2018
automate the release process Open

bug

hpc/ior#59 · 7 comments · 1 assignee · Opened Jun 28, 2018
create documentation for mmap aiori Open

documentation

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

hpc/ior#53 · Opened May 11, 2018
Works on Windows? Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

hpc/ior#41 · 1 comment · Opened Mar 15, 2018

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