The registers inside the CPU, the machine code instruction set, and the ways in which the instructions interact with the registers and status flags are all intertwined. As you may recall, one of my ...

Today we are very used to running a rich variety of operating systems and programs on our mobile devices, from Office on a Windows laptop to a game on our Android smartphones, we are accustomed to ...

Once we’ve built a computer, the next step is to develop an assembly language and then an assembler that can assemble our programs. In my previous column, we introduced the concept of the big-endian ...

Java compilers take center stage in this second article in the JVM performance optimization series. Eva Andreasson introduces the different breeds of compiler and compares performance results from ...

Machine code is the instructions that a processor understands and can act upon. Writing in machine code allows programmers to do things that might not be possible in a high-level language. High-level ...

Instructions are executed as soon as they are translated. Errors can be quickly spotted - once an error is found, the program stops running and the user is notified ...