In computer architecture, a branch predictor is a digital circuit that tries to guess which way a branch (e.g. an if-then-else structure) will go before this is known for sure.
Here is a piece of C++ code that shows some very peculiar behavior. For some strange reason, sorting the data …
java c++ performance optimization branch-predictionI can't, for the life of me, remember what exactly our teacher said that day and I'm hoping you would …
if-statement language-agnostic branch-predictionI was testing some code on Visual Studio 2008 and noticed security_cookie. I can understand the point of it, but …
assembly x86 micro-optimization branch-predictionFor the Intel architectures, is there a way to instruct the GCC compiler to generate code that always forces branch …
c++ gcc intel pragma branch-predictionI'm writing some code in Java where, at some point, the flow of the program is determined by whether two …
java performance processing-efficiency microbenchmark branch-predictionAfter reading this post (answer on StackOverflow) (at the optimization section), I was wondering why conditional moves are not vulnerable …
performance assembly optimization cpu-architecture branch-predictionSpecifically, if I have a series of if...else if statements, and I somehow know beforehand the relative probability that …
c++ performance if-statement optimization branch-predictionRelated to this answer: https://stackoverflow.com/a/11227902/4714970 In the above answer, it's mentioned how you can avoid branch prediction …
java performance branch-predictionIs there any portable way of doing branch prediction hints? Consider the following example: if (unlikely_condition) { /* ..A.. */ } else { /* ..B.. */ } …
c++ c optimization c++20 branch-predictionI discovered this popular ~9-year-old SO question and decided to double-check its outcomes. So, I have AMD Ryzen 9 5950X, clang++ 10 …
c++ performance clang cpu-architecture branch-prediction