Options, methods or issues launching a Kernel instance

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30
votes
2answers
985 views

What information is sent to Wolfram Research when loading or working with Mathematica?

Recently I am told that information unknown to the user is sent to Wolfram Servers. Is there any truth behind it ? I was told that more than just an IP address of the user is sent to them and that ...
17
votes
1answer
1k 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 ...
12
votes
2answers
627 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")? ...
9
votes
2answers
301 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 ...
9
votes
2answers
548 views

Connecting to Raspberry Pi's Wolfram Language kernel from a PC's Mathematica front end

Recently I bought a Raspberry Pi and I installed the Wolfram Language on it. Comparing WL 10.0's commands with Mathematica 9.0.1.0's commands, I found 328 additional commands and variables. I ...
9
votes
1answer
355 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 ...
8
votes
2answers
729 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: ...
7
votes
1answer
384 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 ...
7
votes
2answers
2k 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 ...
7
votes
1answer
285 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
2answers
167 views

Simple question about startup options

This is probably fairly straightforward, but I wasn't able to find it right away. I'd like for Mathematica to display on startup the latest notebook I was working on, and nothing else. No additional ...
6
votes
0answers
333 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 ...
5
votes
3answers
260 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 ...
5
votes
1answer
42 views

Changing MathKernel process priority on the startup

In the built-in Documentation there is an example how it is possible to change the priority of the MathKernel process using NetLink: ...
4
votes
1answer
180 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 ...
4
votes
1answer
53 views

what's the meaning of “-mathlink” as part of Arg for LinkLaunch?

LinkLaunch["MathKernel -mathlink"] LinkLaunch["MathKernel"] The both code line above can launch a MathKernel. What's the difference of them? what's the meaning of ...
4
votes
1answer
264 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
0answers
187 views

What's the kernel launch command syntax?

I want to configure a remote kernel, but the box it'll run on doesn't have a fixed hostname or IP address. I can however get its IP address by running a shell script. (For the moment I'm only worrying ...
3
votes
0answers
142 views

Launching Remote Kernels takes a lot of time

I recently played around with establishing a remote kernel setup without using mathematica grid. To do this I use the LaunchKernels[] command and ...
2
votes
2answers
505 views

Difference between sub MathKernel and MathKernel

When I try to run Mathematica processes in parallel on a Linux based server, I see that my server allows 7 MathKernels and 28 sub MathKernels. I was wondering what the difference is and how I can take ...
2
votes
1answer
123 views

Copy a variable to a specific kernel in Mathematica [closed]

I would like to copy some parameter from the main Kernel of Mathematica to the parallel kernels available. So I'm running now a command like: ...
2
votes
0answers
264 views

Remote kernel shuts down after several seconds

I have Mathematica 9 installed on two Windows Server 2008 R2 machines. Now i want to try using one of them as a frontend with local kernels and the other one for remote kernels. OpenSSH 6.5 for ...
2
votes
0answers
458 views

mathematica startup time

I have Mathematica 7 and 8 installed on my laptop. Mathematica 7 starts quite fast, but Mathematica 8 is extremely slow to start. In the Option Inspector I canceled the "welcome screen" option at ...
1
vote
0answers
56 views

What does this Java error mean? Why is it raised?

I want to launch some kernels on a cluster that uses SGE. The server's operating system is Linux Cent-OS. According to Mathematica documentation, I've added these commands inside my code: ...
1
vote
0answers
52 views

Multiple scripts run using same kernel

I have an external program that calls Mathematica scripts upon certain events. Each script requires a large Mathematica library to load (takes a while). Is there some way to run an initial script ...
1
vote
0answers
54 views

Running MathKernel from Emacs brings cursor to end of line

When I start MathKernel from the Emacs shell, there are always extra spaces inserted so the cursor goes to the far right side of ...
0
votes
1answer
158 views

How to change the MATHEMATICA_USERBASE directory

I’ve found, from reading the help on MathKernel in the help system and in a number of questions here, that to make that change in Windows at least one apparently needs to enter “MathKernel … options” ...
0
votes
2answers
445 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), ...
0
votes
0answers
118 views

How to resolve Start up error 502?

My Mathematica is not launching properly (I run it on Ubuntu 12.04 LTS). Here is the screenshot of the error message. I've tried the following suggestions : ...
0
votes
0answers
188 views

Cluster integration: Problem connecting to Sun Grid Engine

I'm trying to launch some kernels in a cluster engine running Sun Grid Engine using Cluster integration. But I'm getting the error "Cannot find components required for SGE". ...
0
votes
0answers
45 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.
-4
votes
1answer
164 views

How to use all the kernels efficiently

We build a project with Java and Mathematica technologies. For this project we have written a bunch of functions in Mathematica and integrated some functions in one ...