2,004 questions
16
votes
1
answer
2k
views
Why does this simple and small Java code runs 30x faster in all Graal JVMs but not on any Oracle JVMs?
I'm not compiling anything to native, in other words, I'm not using native-image from GraalVM. I'm just running the same Java class (same Java bytecode) with GraalVM and then running the same Java ...
- 187
16
votes
3
answers
867
views
C++ implementation of a simple map slower than equivalent implementation in Java: Code/Benchmark Issue?
The goal of this research is to explore the performance differences between JIT (just-in-time compilation) and AOT (ahead-of-time compilation) strategies and to understand their respective advantages ...
- 258
1
vote
1
answer
27
views
jax and flax not playing nicely with each other
I want to implement a neural network with multiple LSTM gates stacked one after the other.I set the hidden states to 0, as suggested here. When I try to run the code, I get
JaxTransformError: Jax ...
- 61
0
votes
1
answer
112
views
With .NET 9 escape analysis, are struct and class now equal?
From a memory allocation point of view structs (in most cases) get allocated on the stack and classes get allocated on the heap. Each having their own tradeoffs. And struct vs class is always included ...
- 440
1
vote
1
answer
66
views
Spooky behaviour of JAX
This is a follow-up to my previous question. I am implementing a Parameterized Quantum Circuit as a Quantum Neural Network, where the optimization loop is jitted. Although there's no error, everything ...
- 331
0
votes
1
answer
82
views
Strange interaction between reshaping and type casting in Numba
I have noticed that when I pass a 2d array of 0s and 1s into a Numba njit function, reshape it, and then cast it to np.int32 or numba.int32, the resulting array when printed is different.
Here is ...
- 3
1
vote
0
answers
59
views
Cannot run Swift code on my windows system due to JIT session error
I'm getting a JIT session error when I'm running my swift program in vscode. How do I run this without the error?
My terminal
[Running] swift "d:\Metropolia\Swift_new\demo.swift"
JIT session ...
1
vote
1
answer
113
views
JIT: partial or with static argnums? Non hashable input, but hashable partial
I am a bit lost on what exactly going on and what option to choose. Let's go trough an example:
import jax
from functools import partial
from typing import List
def dummy(a: int, b: List[str]):
...
1
vote
0
answers
106
views
multiprocessing and shared memory
I am trying to get the basics of multiprocessing in python. I have a quite complex routine that takes a large array (c.a 1Gb) and a double as inputs and returns a double. The large array is not going ...
- 31
0
votes
0
answers
50
views
cannot upload combined torch.nn.Module and torch.jit model to MLFlow due to missing __getstate__ method
I have a neural network model that has been provided to me as a torch.jit._script.RecursiveScriptModule, saved using torch.jit.script(torch_model).save(), so I don't have access to the underlying code ...
- 21
0
votes
0
answers
29
views
Making the JIT compiler eliminate bounds checking with 'arraygleton' classes in C# 8 and earlier
In my project most of the classes (and especially the kind that contains a lot of data) are of the form:
public class Polygon
{
////////// Static //////////
public static readonly Polygon[] ...
0
votes
1
answer
131
views
Angular Errors during JIT compilation when upgrading to Angular 15 to Angular 18
I have just been upgrading a project form Angular 15 to Angular 18 and ran into a bunch of JIT errors when running my unit tests as follows
Errors during JIT compilation of template for _CdkTable: ...
- 541
1
vote
1
answer
113
views
Code to handle arbitrary number of for loops in Python/Numba
I have a function compiled under the 'njit' framework in Numba. It looks like this:
import numpy as np
from numba import njit, types, prange
from numba.typed import List
@njit(cache=CACHE_FLAG)
def ...
1
vote
2
answers
498
views
Migration from Node 14 to Node 18 - The injectable 'PlatformNavigation' needs to be compiled using the JIT compiler, but '@angular/compiler'
Recently I updated Node 14 to Node 18.20.4. I changed templates and related components so when I executed ng serve there were no errors in terminal console. However, when I execute npm run start or ...
- 21
0
votes
0
answers
37
views
How can we instruct local .NET runtime to JIT the same way as in a core dump from production?
I have two dumps from production and both of them JIT the method System.ComponentModel.Composition.Hosting.CompositionLock.LockComposition from the System.ComponentModel.Composition.dll assembly like ...
- 62.4k