BeeOnRope

BeeOnRope has asked 309 questions and find answers to 295 problems.

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Performance Matters

BeeOnRope questions

Determine TSC frequency on Linux
Can MSVC with link-time codegen optimize across C and C++?
Is it allowed to assign from an object that has some indeterminate values?
Replace leading whitespace with sed (or similar)
Given a pointer to a structure, can I assign the structure the result of an aggregate-initializer in one line?
Concurrent deletion and field access
Pythonic way to accept a tuple in a JSON argument
Can I ask the kernel to populate (fault in) a range of anonymous pages?
Convention for displaying vector registers
Loading an xmm from GP regs

BeeOnRope answers

Why do align access and non-align access have same performance?
Actual difference between data compression and data deduplication
Acquire/Release VS Sequential Consistency in C++11？
Precise measurements of maximum cycle count with RDTSC
Pythonic way to accept a tuple in a JSON argument
Thread-safe find and remove an object from a Collection
Can I ask the kernel to populate (fault in) a range of anonymous pages?
Will gettimeofday() be slowed due to the fix to the recently announced Intel bug?
Code alignment in one object file is affecting the performance of a function in another object file
Cache friendly offline random read