Now look - I want to make a test/debug engine, that will optimize the performance of each machine I make tests on - my idea is to run as many similar processes as possible in the tasklist of the OS. That would be the same as creating multiple child processes of a single script. The results will be - flooding the RAM, decrees CPU performance, that kind of stuff, but in the end I should have stats about how each machine performed in different disciplines - db querying (insert/select), file manipulations, etc.
I was thinking to create child script (that I want executed more than once) and additional socket script, that should connect to the child script through HTTP and execute it. In the end the child script would send a message to the socket that would close it. The nice thing about sockets is that they shouldn't wait the previous socket to close, before next is opened, so what I would do is similar to opening, for example, 500 browser windows and load one same page.
You can use sockets in nonblocking mode. I hope I got what you want to achieve.
See socket_set_nonblock()
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