Questions tagged [kernel-startup]

Options, methods or issues launching a Kernel instance

Filter by
Sorted by
Tagged with
77
votes
2answers
19k views

Mathematica 10.0.x freezes in Initializing kernels

Bug caused by paclet update and fixed by paclet update. I updated to Windows 10 and have been running Mathematica fine on it for over a month. For some reason, it has just stopped working. I don't ...
14
votes
1answer
961 views

How to use the Autoload directory?

According to the documentation, packages in $UserBaseDirectory/Autoload will load automatically on startup. I placed an .m file ...
16
votes
2answers
348 views

Different strategies to get a clean Kernel. Quit, Exit, ClearAll, Remove, CleanSlate?

Often new users face problems with lingering definitions that, if unaware, may cause unexpected and frustrating behaviour. There are several answers that illustrate different aspects of the solution, ...
12
votes
1answer
398 views

Handling Kernel start. What is a full initialization stack and what place the Autoload has there?

According to: tutorial/WolframSystemSessions Initialization On startup, the Wolfram Language kernel does the following: Performs license management operations. Runs Wolfram Language ...
6
votes
1answer
541 views

Trial version 10 vs Version 10 Prerelease 13

When I open the new trial version (creation id 5099521; 10.0.30732.17750) I get these error messages and only a partial view of the "About" box I haven't run into any particular problem, except that ...
18
votes
2answers
1k views

Using LaunchKernels to launch kernels with lower priorities

On windows the kernels launched with LaunchKernels are starred with "Below Normal" priority. Is there a way to start them with even lower priority (eg. "Idle")? ...
19
votes
1answer
1k views

Quit the Kernel and start new session automatically

The question is how to quit the kernel, start a new session automatically, and to be able to run such procedure from e.g. Button. This is especially useful when ...
11
votes
2answers
2k views

Remote Kernel - Error = MLECONNECT

Configuring a remote kernel with the Kernel Configuration Basic Options I manage to have a new kernel in the list of the kernel that I can open. However when I start the new kernel I get asked for the ...
12
votes
1answer
1k views

How to run mathematica scripts without initializing the kernel every time

I have written a Mathematica script that is to be run periodically on a Raspberry Pi. The code takes about 3 seconds to execute if I test it in a CLI Mathematica session. However, when I execute the ...
12
votes
3answers
586 views

Seeking strategies to deploy a function securely without a front end

Background I have a fuction, which calculates an analytic solution to a multi-dimentional geometry problem. The function takes a list of real numbers (typically less than a dozen) and outputs a ...
6
votes
1answer
870 views

new kernel for notebook

I know I can create a new kernel for my notebook from the evaluation menu but is there a command for this? I'd really like some of my notebooks to startup their own kernel as the first line of code.
7
votes
3answers
445 views

Can one launch a Player Pro kernel independently of the front end

This question follows on from my earlier one, Seeking strategies to deploy a function securely without a front end. As it pursues a different track to solve the same problem it seemed distinct enough ...
15
votes
2answers
602 views

Detecting kernel initialization

Certain operations do not work during kernel initialization. Code from Kernel/init.m, the Autoload directory, or packages set ...
8
votes
2answers
1k views

Table function with Part[] call misbehaving, but only after initial startup of Mathematica

I am getting errors like: Part::partd: Part specification standardBasis[[1]] is longer than depth of object. with the following Manipulate expression: ...
22
votes
2answers
727 views

Restarting Mathematica automatically

I run a large computation in a loop. At each cycle of the loop I produce large arrays that I save on a disk. At each cycle I would like to Quit Mathematica and ...
9
votes
1answer
894 views

Launch a specific notebook automatically when Mathematica starts

I run Mathematica on an iMac running OS X 10.6.8. I have set the OS's "Launch Items" to include Mathematica so that the application opens when the computer boots. Now I want to go further and ...
10
votes
1answer
123 views

How to ensure that a package is always loaded on startup, even in parallel kernels?

Is there a robust way to ensure that a package is always loaded on startup, even in parallel kernels? Parallel kernels do not read Kernel/init.m.
11
votes
2answers
8k views

Mathematica sporadically crashes on open

Sometimes, when I open Mathematica, while the opening splash screen still says "Initializing Kernel Connections", Windows will tell me that "Wolfram Mathematica 9 has stopped working". This will ...
3
votes
1answer
2k views

Serious Startup Error: Error code 583

I can't start Mathematica 10.2 in Windows 8.1 64 bit, I'm getting this error even after I uninstalled and re-installed. I emailed support a couple fo days ago, but I'm yet to hear from them and I ...
19
votes
2answers
2k views

How to restart computation when kernels die?

When an important process needs to be kept alive, there are monitoring tools to restart them if they die (e.g. god tasks in ruby), in my case I have an overnight scraping task that I need to have done ...
20
votes
1answer
3k views

How often does Mathematica contact its license server?

I know that Mathematica checks the validity of its license every time the program is launched. Say, however, that I have a valid license (which I do) and that I am running some code which takes a ...
8
votes
1answer
550 views

Launching remote slave kernels on HPC causes slow down

I had a post earlier regarding how I can run Mathematica at a HPC cluster (running PBSpro) by having a single MathKernel launch ...
6
votes
1answer
522 views

Using MathKernel without echoing a window

I use M9 under windows 7 on a command prompt as: MathKernel -noprompt -script file.m On execution, there is a like a kernel window opened and then closed immediately. How can I avoid this window and ...
4
votes
1answer
174 views

Mathematica not using all cores available

I am trying to run a ParallelDo loop in Mathematica, that uses NSolve to solve an equation for a number of different input ...
3
votes
1answer
102 views

Autoload a package

I want to aoutoload a package at the beginning of a notebook. I set up my directory as written here How to use the Autoload directory? So, I have these files: ../Work/MyFile.nb ../Work/...
2
votes
2answers
982 views

Launching remote kernels - will it help RAM needs?

Given the exasperating RAM needs of my Mathematica program, I contemplated launching remote kernels to run my Mathematica script. This is a two part question: Part 1 If I launch a remote kernel(s), ...
8
votes
1answer
875 views

Mathematica 10.4.0 hang on startup, killing WolframKernel fixes it

I just upgraded to Mathematica 10.4 (Site Home Use) on Ubuntu 15.10 (x86-64). After entering the activation key and clicking Activate, I got a message "Activation was successful", and then the window ...
3
votes
2answers
1k views

Mathematica not responding to clean start-up

I am currently running Linux (Ubuntu 14.04) and my copy of Mathematica suddenly started misbehaving. I am not sure what I did to invoke this. The splash screen when Mathematica is launched kept ...
2
votes
2answers
565 views

Mathematica 11.3 keeps crashing on initializing Kernel

I have been using a licenced mathematica, provided by my research institute, for a while. Weeks ago it happened to me that at the startup of my mathematica (while initializing Kernel), mathematica ...
0
votes
1answer
1k views

More Information About Solving Mathematica 10.0 Freezing Issue [duplicate]

I am aware now that Mathematica 10.0 is having difficulty with freezing during its startup while displaying the message "Initializing kernels..." The question is answered here: Mathematica 10.0.x ...
0
votes
0answers
189 views

`{Protected, ReadProtected}` System symbols give “Set::write: ”Tag * in *[v_] is Protected" on first try

Run Quit, then Unprotect@AbelianGroup; AbelianGroup[v_] = 0; Protect@AbelianGroup; where instead of ...