Make large-scale mathematical computations and image calculations, optimized for high performance.
Questions tagged [accelerate]
74 questions
12
votes
1 answer
How to smooth interpolation of a float array into a bigger array?
I'm stuck with interpolation in Swift. Can anyone help me with that?
I want to interpolate the float array (say [0, 0, 100, 25, 0, 0, 0, 25, 0, 0, 0]) into another array with some given size (for example 128). I found an article (Use Linear…

aibek
- 161
- 8
3
votes
1 answer
Having problems running numpy - error about ‘buggy accelerate backend’? (python, vs code, OS X)
Very new python learner here.
Trying to build my first project, but having so many issues with numpy. When I try to run the programme, it comes back with this error:
RuntimeError: Polyfit sanity test emitted a warning, most likely due to using a…

Lorne Ashley
- 83
- 1
- 7
3
votes
1 answer
Accelerate a pandas operation involving several dataframes
Hello everyone
For a school project, I am stuck with the duration of an operation with Pandas Dataframe.
I have one dataframe df which shape is (250 000 000, 200). This dataframe contains values of variable describing the behaviours of sensors on a…

laurent Bimont
- 57
- 7
3
votes
0 answers
Overriding Conda Package Installation with Pip
I'm trying to build the necessary dependencies to run some deep learning code and am running into issues with the c foreign function interface (cffi) installation. I need conda's accelerate package, however the package is built on top of an old…

dangus poochie
- 93
- 9
3
votes
0 answers
Problems upsampling data using accelerate
After I downsample a vector with a constant decimating factor, I want to upsample the vector back to the original sample rate (after performing some analyses). However, I am struggling with the upsampling.
For the downsampling I apply vDSP_desamp…

Gerard
- 349
- 2
- 16
2
votes
1 answer
ImportError: Using `low_cpu_mem_usage=True` or a `device_map` requires Accelerate: `pip install accelerate`
Using HuggingFace Transformer I am trying to create a pipeline, by running below code (code is running on a SageMaker Jupyter Lab):
pipeline = transformers.pipeline(
"text-generation",
model="meta-llama/Llama-2-7b-chat-hf",
…

Mohammad Sadoughi
- 410
- 5
- 11
2
votes
2 answers
AttributeError: 'AcceleratorState' object has no attribute 'distributed_type'
import transformers
from datasets import load_dataset
import tensorflow as tf
tokenizer = transformers.AutoTokenizer.from_pretrained('roberta-base')
df = load_dataset('csv', data_files={'train':'FinalDatasetTrain.csv',…

Amr Samer
- 21
- 1
2
votes
2 answers
ImportError: Using the `Trainer` with `PyTorch` requires `accelerate`
I wrote a code to train a NER model before few months and it was working well. However, the same code now gives me this error:
ImportError: Using the `Trainer` with `PyTorch` requires `accelerate`: Run `pip install --upgrade accelerate`
I tried to…

Reem
- 107
- 1
- 7
2
votes
1 answer
Swift, array, image processing. Is using array.map() the fastest way to process all data in an array?
I have an array with many millions of elements (7201 x 7201 data points) where I am converting the data to a greyscale image.
var imagePixels = heights.map { terrainToColorScale($0.height, gradient: .Linear) }
let _ = writeImageToFile(imagePixels,…

KieranC
- 57
- 6
2
votes
0 answers
vDSP Biquad Remove Transient Signals Swift
I am using Apple's Accelerate Framework, vDSP biquad function https://developer.apple.com/documentation/accelerate/1450838-vdsp_biquad?language=objc#parameters in order to emulate pythons sosfilt function. I have done all the filtering but notice I…

hackmachina27
- 21
- 2
2
votes
0 answers
Using Swift Generics to Call a Non-Generic Library
I'm trying to write a generic Swift wrapper for some of the vector operations in the Accelerate vDSP framework and I'm running into a problem calling the functions in a generic way.
My vector struct looks like:
public struct Vector {
let array:…

jkanji
- 21
- 1
2
votes
1 answer
How to use linear interpolation from Accelerate
I am trying to linearly interpolate new values from a data set using Apple's Accelerate framework. I've used this piece of documentation for implementing my code, but I am facing issues when I try to interpolate a set of values that are under 1,…

Pondorasti
- 607
- 6
- 14
2
votes
1 answer
Matlab: Faster finding of 1D linear interpolation nodes and weights for each element in ND matrix
In a problem I'm working on now, I compute some values in a matrix x and I then for each element in x need to find the index of the closest element below in a monotonically increasing vector X as well as the relative proximity of the x elements to…

Fredrik P
- 682
- 1
- 8
- 21
2
votes
1 answer
Accelerate - Lower the threshold for contrast stretching
I am using Swift and Accelerate and am trying to color-correct an image using the vImageContrastStretch method available in Accelerate's vImage module.
When I try to stretch the histograms I get a result which does do exactly what I want, but it is…

IgorR
- 75
- 10
2
votes
1 answer
KeyError: dtype('int32') for Anaconda Accelerate library
I'm trying to learn how to use anaconda's accelerate library. As per https://docs.anaconda.com/accelerate/cublas.html, the amin() method "finds the index of the first largest element in array x. Same as np.argmax(x)".
Here is my code:
import…

Sioy
- 23
- 5