![]() ![]() Under the x86 platform linux operating system, as shown above, the stack memory area is generally placed at the high address and the stack extends downward while the heap memory goes at the low address and the heap extends upward, the advantage of doing so is to facilitate that the heap and stack can dynamically share that memory area.ĭoes this mean that all memory object addresses allocated in the heap memory area must be smaller than the memory object addresses allocated in the stack memory area? In C/C++ it does, but in Go this is not necessarily the case because the memory page used by the go heap memory is intertwined with the memory page used by the goroutine’s stack.īoth stack memory and heap memory are legally available memory address spaces for applications. After the concept of virtual memory address for processes evolved in the operating system, the virtual memory address space of an application is divided into a heap memory area (heap in this figure) and a stack memory area (stack in this figure), as shown in the figure below. ![]() The problem to be solved by escape analysisĬ/C++ programmers have a “clear-cut” understanding of heap and stack memory. In this article, we’ll take a look at understanding Go escape analysis together. But if you’re using Go in a performance-sensitive domain, where you want to completely squeeze the performance out of your Go application, then understanding Go escape analysis can be very beneficial. Most Gophers don’t really have to care about Go variable escape analysis, or can even ignore it. ![]()
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