BeeOnRope

BeeOnRope has asked 291 questions and find answers to 278 problems.

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Performance Matters

BeeOnRope questions

Using the perf events from perf list programatically
Define an assert which is effective even if NDEBUG is defined
Efficiently dividing unsigned value by a power of two, rounding up
What's up with gcc's handling of alloca?
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

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