Why is your Python ... your Python code Python may not be the fastest language around, but it is often fast enough. And Python is ideal when programmer time matters more than CPU time.

Israeli researchers have developed a new software "platform" to turn easily readable Python instructions into low-level machine code and execute it in RAM without going through the CPU.

because it only allows one thread to execute Python code at a time. Figure 2 illustrates the problem with the GIL in an application with two threads that run on a CPU with two cores. Figure 2: ...