The reality is a fragmented landscape of compilers, system libraries, endianness variations, word sizes (32-bit vs. 64-bit), operating system APIs (POSIX vs. Windows vs. z/OS), and hardware accelerators (GPUs, TPUs, FPGAs). A program that compiles flawlessly on an x86 Ubuntu machine may crash, produce corrupted output, or fail to compile entirely on an ARM-based macOS, a PowerPC AIX server, or a constrained embedded RTOS.
1. Introduction: The Challenge of Heterogeneity In the idealised world of software development, code is written once and runs everywhere—on any operating system, processor architecture, cloud platform, or device form factor. This promise, often associated with Java’s "Write Once, Run Anywhere" (WORA) or the portability layers of C/C++, is notoriously difficult to achieve in practice. portability analyzer
In a world where hardware evolves, operating systems rise and fall, and customers demand seamless experiences across devices, portability is not merely a technical virtue—it is a business imperative. And the portability analyzer is the compass that guides developers through the ever-shifting landscape of platforms. The reality is a fragmented landscape of compilers,