vuule
commented
4 years ago Got a minimal repro (AFAICT):
num_rows = 513
df = cudf.DataFrame({'a':[None]*num_rows}, dtype='int32')
df['a'][0] = 1024*1024*1024
df['a'][num_rows-1] = 1
df.to_orc('temp.orc')
new_df = cudf.read_orc('temp.orc')
assert_eq(df, new_df)If the first element is smaller than 2^30, no repro. If there are no more than 512 elements, no repro. Location of the 2^30 value does not change the outcome (output is different, but incorrect). Value at index 512 does not affect the output at all.
Describe the bug There seems to be a data corruption while reading an int column from
cudf.read_orc.Steps/Code to reproduce bug parquet file(compressed to zip for github attachment reasons) : temp-int32.zip
Expected behavior The values should be preserved correctly.
Environment overview (please complete the following information)
Environment details Please run and paste the output of the
cudf/print_env.shscript here, to gather any other relevant environment detailsClick here to see environment details
**git*** commit a4838a0bc8c304404097e296bb3cba3c0123ae42 (HEAD -> orc_fuzz_tests) Author: galipremsagar
Date: Tue Oct 20 17:16:38 2020 -0500
Fix issues in orc fuzz test
**git submodules***
***OS Information***
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=20.04
DISTRIB_CODENAME=focal
DISTRIB_DESCRIPTION="Ubuntu 20.04.1 LTS"
NAME="Ubuntu"
VERSION="20.04.1 LTS (Focal Fossa)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 20.04.1 LTS"
VERSION_ID="20.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=focal
UBUNTU_CODENAME=focal
Linux pgali-HP-Z8-G4-Workstation 5.4.0-51-generic #56-Ubuntu SMP Mon Oct 5 14:28:49 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
***GPU Information***
Tue Oct 20 20:11:29 2020
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 450.80.02 Driver Version: 450.80.02 CUDA Version: 11.0 |
|-------------------------------+----------------------+----------------------+
| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
| | | MIG M. |
|===============================+======================+======================|
| 0 Quadro RTX 8000 Off | 00000000:22:00.0 Off | Off |
| 34% 53C P2 62W / 260W | 5998MiB / 48601MiB | 0% Default |
| | | N/A |
+-------------------------------+----------------------+----------------------+
| 1 Quadro RTX 8000 Off | 00000000:2D:00.0 On | Off |
| 33% 39C P8 24W / 260W | 627MiB / 48592MiB | 12% Default |
| | | N/A |
+-------------------------------+----------------------+----------------------+
+-----------------------------------------------------------------------------+
| Processes: |
| GPU GI CI PID Type Process name GPU Memory |
| ID ID Usage |
|=============================================================================|
| 0 N/A N/A 997 G /usr/lib/xorg/Xorg 4MiB |
| 0 N/A N/A 2706 G /usr/lib/xorg/Xorg 4MiB |
| 0 N/A N/A 7488 C .../envs/cudf_dev/bin/python 1495MiB |
| 0 N/A N/A 27459 C python 541MiB |
| 0 N/A N/A 28303 C python 521MiB |
| 0 N/A N/A 30834 C python 523MiB |
| 0 N/A N/A 33751 C python 547MiB |
| 0 N/A N/A 41385 C python 805MiB |
| 0 N/A N/A 43601 C python 521MiB |
| 0 N/A N/A 46609 C python 1031MiB |
| 1 N/A N/A 997 G /usr/lib/xorg/Xorg 39MiB |
| 1 N/A N/A 2706 G /usr/lib/xorg/Xorg 262MiB |
| 1 N/A N/A 2831 G /usr/bin/gnome-shell 260MiB |
| 1 N/A N/A 16807 G ...AAAAAAAAA= --shared-files 51MiB |
+-----------------------------------------------------------------------------+
***CPU***
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
Address sizes: 46 bits physical, 48 bits virtual
CPU(s): 12
On-line CPU(s) list: 0-11
Thread(s) per core: 2
Core(s) per socket: 6
Socket(s): 1
NUMA node(s): 1
Vendor ID: GenuineIntel
CPU family: 6
Model: 85
Model name: Intel(R) Xeon(R) Gold 6128 CPU @ 3.40GHz
Stepping: 4
CPU MHz: 1200.269
CPU max MHz: 3700.0000
CPU min MHz: 1200.0000
BogoMIPS: 6800.00
Virtualization: VT-x
L1d cache: 192 KiB
L1i cache: 192 KiB
L2 cache: 6 MiB
L3 cache: 19.3 MiB
NUMA node0 CPU(s): 0-11
Vulnerability Itlb multihit: KVM: Vulnerable
Vulnerability L1tf: Mitigation; PTE Inversion
Vulnerability Mds: Mitigation; Clear CPU buffers; SMT vulnerable
Vulnerability Meltdown: Mitigation; PTI
Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp
Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization
Vulnerability Spectre v2: Mitigation; Full generic retpoline, IBPB conditional, IBRS_FW, STIBP conditional, RSB filling
Vulnerability Srbds: Not affected
Vulnerability Tsx async abort: Mitigation; Clear CPU buffers; SMT vulnerable
Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb cat_l3 cdp_l3 invpcid_single pti intel_ppin ssbd mba ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm mpx rdt_a avx512f avx512dq rdseed adx smap clflushopt clwb intel_pt avx512cd avx512bw avx512vl xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts hwp hwp_act_window hwp_epp hwp_pkg_req pku ospke md_clear flush_l1d
***CMake***
/home/pgali/anaconda3/envs/cudf_dev/bin/cmake
cmake version 3.18.2
CMake suite maintained and supported by Kitware (kitware.com/cmake).
***g++***
/usr/bin/g++
g++ (Ubuntu 9.3.0-17ubuntu1~20.04) 9.3.0
Copyright (C) 2019 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
***nvcc***
/usr/local/cuda/bin/nvcc
nvcc: NVIDIA (R) Cuda compiler driver
Copyright (c) 2005-2020 NVIDIA Corporation
Built on Wed_Jul_22_19:09:09_PDT_2020
Cuda compilation tools, release 11.0, V11.0.221
Build cuda_11.0_bu.TC445_37.28845127_0
***Python***
/home/pgali/anaconda3/envs/cudf_dev/bin/python
Python 3.7.8
***Environment Variables***
PATH : /home/pgali/anaconda3/envs/cudf_dev/bin:/home/pgali/anaconda3/condabin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/usr/local/cuda/bin
LD_LIBRARY_PATH : :/usr/local/cuda/lib64:/usr/local/cuda/extras/CUPTI/lib64
NUMBAPRO_NVVM :
NUMBAPRO_LIBDEVICE :
CONDA_PREFIX : /home/pgali/anaconda3/envs/cudf_dev
PYTHON_PATH :
***conda packages***
/home/pgali/anaconda3/condabin/conda
# packages in environment at /home/pgali/anaconda3/envs/cudf_dev:
#
# Name Version Build Channel
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Additional context Surfaced while running fuzz tests: #6001