BeeOnRope

BeeOnRope has asked 285 questions and find answers to 278 problems.

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Performance Matters

BeeOnRope questions

Does clflush also remove TLB entries?
Pattern to initialize base class in derived class constructor (or factory)
Running operations in parallel while preserving in-order, incremental output
Is it allowed to overload operator+ for a standard library type and a built-in type?
Repeatedly calling a function with a non-type template parameter
Renaming columns based on csv filename in pandas
Counting elements "less than x" in an array
Setting root-only permissions on /dev files and build binary
Instantiating a template function in all M * N combinations
Conditional definition of elements in an X Macro

BeeOnRope answers

Intel FMA Instructions Offer Zero Performance Advantage
Is there a standard constant *nix benchmark, and if not, how to make a `bogobench`?
Deadlock caused by creating a new thread during class initialization
Why are there too many demand rfo offcore responses /offcore requests?
Least intrusive compile barrier for Java on x86
Is this memory barrier implemented correctly?
I want to pack the bits based on arbitrary mask
Branch prediction overhead of perfectly predicted branch
Thread synchronization with mixed C and C++
How does std::atomic ensure atomicity