Use this tag for questions about llvmlite, a lightweight LLVM python binding for writing JIT compilers
Questions tagged [llvmlite]
59 questions
18
votes
6 answers
llvmlite failed to install. Error building llvmlite
I have a problem with installing llvmlite, which is need for installing Numba.
I searched for answers to my problem, but nothing is working.
The command I used to install numba and llvmlite:
pip install numba
pip install llvmlite
enter code…

Ded Helper
- 209
- 1
- 2
- 8
12
votes
6 answers
RuntimeError: failed executing, please point LLVM_CONFIG to the path for llvm-config
Trying to install llvmlite via pip by running
pip install llvmlite
constantly gives me this error:
RuntimeError: failed executing, please point LLVM_CONFIG to the path for llvm-config
error: command…

Stefan Falk
- 23,898
- 50
- 191
- 378
6
votes
1 answer
Failed to install llvm-lite with a Dockerfile
The scenario below is blocking me to have progressed in dockerize my Flask App, anybody has any clue about it? some important info below.
I already see about setting the LLVM_CONFIG file to the right path but which path and how to do that during the…

Gustavo Castanheira
- 93
- 5
6
votes
1 answer
Assertion failure in LLVM with LLVMlite
(This happened while doing the fix I found here: LLVM IR: expose variables to GDB?)
I am trying to compile some code written in a custom programming language. It is compiled to LLVM IR, and then compiled to an ELF by clang. However, I was trying to…

NoOneIsHere
- 1,054
- 16
- 28
5
votes
4 answers
Link C in llvmlite
Im writing an compiler in Python, using llvmlite to generate intermediate LLVM IR. Lexer and parser are finished, now im doing code generation. The compiler will be dynamic and weakly typed, so i will need to do somethings at runtime, like…

Batata
- 133
- 2
- 10
4
votes
2 answers
install librosa on raspberry pi 4, error with the wheel of llvmlite
Im working on raspberry pi 4, with Python3 and I want to install librosa. (pip3 install librosa)
Previously I installed llvm version 7.0.1
Following the Compatibility I install llvmlite https://pypi.org/project/llvmlite/
$…

Simon
- 43
- 1
- 3
4
votes
0 answers
Installing librosa on a Raspberry Pi 3
I've tried installing librosa on my Raspberry Pi 3 Model B. I have referred to other links regarding this issue as well including this and this but the errors still kept coming.
As of now, I'm stuck with:
libllvmlite.so: cannot open shared object…

djoeymoncada
- 41
- 2
4
votes
0 answers
install llvm ->llvmlite->llvmpy->numba on centos, error on install llvmlite
I notice that LLVM 3.3 is deprecated and start to install llvm 3.8.1->llvmlite->llvmpy->numba
I download and compile llvm 3.8.1 source (I am not sure whether I should download other packages like clang)
and simply cmake. (I didn't find…

Wei Li
- 41
- 4
3
votes
0 answers
How does numba code supposedly count to 1 billion in far less time than 1 billion clock cycles?
I tried to count up, from any input number, by 1 billion using numba, to see how much slower it is than C code. I accidentally found that it takes (on my setup with Python 3.8) around 80 microseconds, not seconds. As you can see below, I tried to…

Larry Panozzo
- 191
- 2
- 7
3
votes
1 answer
Installing numba and llvmlite Python on Windows 10 fail
Installing numba and llvmlite Python on Windows 10 failure
I have tried to install Python numba on Windows 10 using
pip install numba
with partial success, but a failure installing llvmlite
Requirement already satisfied: numpy>=1.15 in…

Paul A. Bristow
- 51
- 2
- 3
3
votes
1 answer
ImportError: No module named 'llvmlite.llvmpy.ee'
I need to use Numba on a cluster running on Centos 7.
However, the IT team could not install llvm 4.0 (no builder for Centos 7), so they installed llvm 3.9.
After, I successfully installed llvmlite 0.16.0 and Numba 0.17 using pip.
Unfortunately,…

FiReTiTi
- 5,597
- 12
- 30
- 58
2
votes
0 answers
python setup.py bdist_wheel did not run successfully - when installing magenta
I am facing an issue while installing the "magenta" package in my python 3.9.12 architecture while using the command pip install magenta.
It retrieves an error when getting to the point
Building wheels for collected packages: llvmlite
Created…

ricmhl
- 21
- 1
2
votes
0 answers
How to implement code optimization using LLVM of c++ code in python code?
I want to implement code optimization for c++ code, I am implementing an API using python which receives optimized code and does some transformation to be input for a deep learning model.
My question:
How to implement code optimization using LLVM of…

Frank
- 21
- 1
2
votes
1 answer
How do I obtain / compute values like FLT_MAX and FLT_EPSILON with LLVM?
If my code is generating LLVM SSA for a platform that is possibly different than the one on which it is currently running, how do I obtain values like FLT_MAX or FLT_EPSILON (or the same for doubles, or any other floating point width)?
I'm guessing…

trbabb
- 1,894
- 18
- 35
2
votes
0 answers
signed/unsigned int type in llvmlite
I am trying to use llvmlite, this is what llvmlite documentation say about IntType:
class llvmlite.ir.IntType(bits)
The type of integers. The Python integer bits specifies the bitwidth of the integers having this type.
width
The width in bits.
Is…

int main
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