A virtual machine is an emulation layer between a program and the OS that presents to the application a specialized environment to run in, than the raw environment that the OS provides.

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343 views

What's the relationship between meta-circular interpreters, virtual machines and increased performance?

I've read about meta-circular interpreters on the web (including SICP) and I've looked into the code of some implementations (such as PyPy and Narcissus). I've read quite a bit about two languages ...
4
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3answers
870 views

What is the job of a language virtual machine, and creating one [closed]

Recently I have become incredibly interested in language development. The past few weeks I have written many language front ends (lexer, parser) including a calculator language/expression parser and ...
3
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1answer
300 views

Representing floating-point numbers in bytecode

How do interpreted languages typically go about representing floating-point numbers in their bytecode? For example, suppose I've got a Java program with the line double a = 3.0; What does 3.0 look ...
15
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3answers
1k views

Which are the alternatives to using a stack to represent function call semantics?

We all know and love that function calls are usually implemented using the stack; there are frames, return addresses, parameters, the whole lot. However, the stack is an implementation detail: ...
4
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2answers
1k views

How did the term “hypervisor” come into use?

I've read about the "hypervisor" in hardware virtualization. VMs are not my area, so I can't quite see where the term came from. THe wikipedia article talks about how "the hardware's supervisor ...
41
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11answers
3k views

Are there any reasons not to accept a software deliverable as a virtual machine?

This is a question about logistics, not a technical question. My company has outsourced some embedded software work. Specifically, we have payed a contractor to develop an embedded system for us ...
6
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1answer
1k views

Setting up a development environment in the cloud? [closed]

I'm interested in transitioning my development environment onto the cloud. I currently use VirtualBox with Vagrant to manage separate virtual machines for each individual project. What would be the ...
6
votes
1answer
361 views

Difference between language virtual machine and emulating vm?

I'm having a hard time understanding the difference between an emulation virtual machine and a language vm. I started with the research and implementation of an emulation virtual machine. Primarily ...
5
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2answers
1k views

Which are the fundamental stack manipulation operations?

I'm creating a stack oriented virtual machine, and so I started learning Forth for a general understanding about how it would work. Then I shortlisted the essential stack manipulation operations I ...
2
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1answer
313 views

Is there a way to get the version of Ubuntu that Google uses for development? [closed]

Is there a way to get the version of Ubuntu that Google uses for development? Even better would be a full up VMWare or Virtual Box Virtual Machine image that might include a full complement of ...
14
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3answers
15k views

Why would more CPU cores on virtual machine slow compile times?

[edit#2] If anyone from VMWare can hit me up with a copy of VMWare Fusion, I'd be more than happy to do the same as a VirtualBox vs VMWare comparison. Somehow I suspect the VMWare hypervisor will be ...
3
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2answers
512 views

How to devise instruction set of a stack based machine?

Stack based virtual machines like CLR and JVM has different set of instructions. Is there any theory behind devising the instruction set while creating a virtual machine? e.g. there are JVM ...
42
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6answers
6k views

Why aren't there other programming languages that compile to Python bytecode?

In Java, there are multiple languages that compile to Java bytecode and can run on the JVM -- Clojure, Groovy, and Scala being the main ones I can remember off the top of my head. However, Python ...
5
votes
2answers
432 views

Isolated environment for software stacks

I was sure that I would find this question, but I couldn't. How to create an isolated development environment? It other words, a sandbox, where I can install different combinations of web servers, ...
2
votes
1answer
436 views

Virtual Machines And Unit/Integration Testing Web Application

I am in the process of adding unit testing to a project I am working on at work and a suggestion came up that I should use VMs to populate the database with good data. This was suggested as an ...
3
votes
1answer
273 views

Architectural considerations for a new black box program

I see an emerging trend in "cloud" computing to move work load to a third-party server and get charged pennies for amount of work done in this way. This could be anything from file hosting to user ...
3
votes
5answers
7k views

Best solution to run a Linux sandbox on my Windows machine? [closed]

I'd like to develop some node.js on my windows machine by using a virtual linux server that runs as a program and that I would access through ssh. I'd like this virtual linux instance to access the ...
8
votes
1answer
772 views

What language is the CLR written in?

Just out of curiosity, what language is the CLR written in? I read on the Java Virtual Machine wikipedia entry that it is programmed in C++; is this the same for the CLR? Sorry if this is off-topic, ...
17
votes
7answers
8k views

Java IDE written in pure Java? [closed]

Is there a Java IDE written in Java? I just got my year 9 DET laptop today at school, and there are all sorts of restrictions set in place. Somewhat annoyingly, you cannot run any executable other ...
0
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1answer
278 views

How to deploy a heterogeneous server application to customers?

We have a bigger application server which customers would like to have deployed locally. It consists of an MySQL server database, a REDIS database, multiple Web servers for sub parts, a NGINX reverse ...
4
votes
1answer
481 views

Is there any license restriction to avoid binary translation of CIL to custom bytecode?

Prior to actual question, let me summarize what I'm trying to do. I plan to implement a small, JIT-enabled, register-based VM runtime. Instead of making a proper compiler (which is hard IMO) for a ...
-2
votes
1answer
232 views

Should we embed virtual machines rather than languages

Ok, so I am trying to learn front-end programming. Trying to figure out how javascript is a pain, and various projects (GWT, Coffeescript, Capuccino's objective/j...) are trying to fix this with ...
2
votes
2answers
390 views

What is the best way to maintain software tool chains?

Short Question What is the best way to create, maintain, and distribute software development tool chains? Background I am trying to develop a workflow / process to create an isolated environment in ...
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3answers
1k views

Does it violate the license to use Windows XP Mode with Virtual Box?

I am working on a team developing a client-side application. We work in a Linux environment, but the server we work with can only be run from a Windows environment. As such, each developer is being ...
51
votes
25answers
23k views

Thoughts on Development using Virtual Machines [closed]

I'll be working as a development lead for a startup and I've suggested that we use VMs for development. I'm not talking about each developer having a desktop with VMs for testing/development, I mean ...
3
votes
1answer
950 views

Distributing my Application inside a Debian Virtual Machine Image— How to meet GPL obligations?

I have a Linux application I've developed, and I have created a standalone VMWare Image that people can download to try out the application without needing to install and configure a Linux Server. I ...
5
votes
0answers
761 views

Slow developer machines - approach with vmware good? [duplicate]

we are using slow developer notebooks. They come equipped with vista and 2 gb rams, which slows down everything. Someone decided a good resolution would be to use vmware clients instead of faster pc ...
0
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2answers
249 views

How do you handle the need to have multiple development environments?

How do you deal with different project environments? Every project might require a different database (oracle, IBM db2, mysql & etc), a different server (tomcat, IBM WAS, weblogic & etc) or ...
4
votes
2answers
916 views

What do you think of an interpreter written in Java? [closed]

I am currently working on the implementation of a new programming language, for fun. I realize that most languages never become popular, but I still want the language to have a high-quality ...
16
votes
11answers
7k views

Reasons to Use a VM For Development [duplicate]

Background: I work at a start-up company, where one team uses Virtual Machines to connect to a remote server to do their development, and another team (the team I'm on) uses local IIS/SQL Server ...