If you are looking to run native-performance code in a browser today, you should use: Google Native Client - Black Hat
When a user visited a webpage containing a NaCl application, the browser would download the .nexe file and execute it directly on the CPU. To prevent security risks (such as malware taking over the user's computer), NaCl used a rigorous . This sandbox isolated the plugin from the rest of the operating system, restricting its access to system resources and preventing it from making unsafe system calls. nacl-web-plug-in
Proceedings of the 30th IEEE Symposium on Security and Privacy . You can find the full text through the IEEE Xplore Digital Library Google Scholar If you are looking to run native-performance code
It took three days.
If you're looking for information on alternatives or related technologies, you might want to explore: Proceedings of the 30th IEEE Symposium on Security
A typical HTML snippet that triggered the plugin looked like this:
Initializing Pepper Plugin...