BeeOnRope

BeeOnRope has asked 305 questions and find answers to 293 problems.

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Performance Matters

BeeOnRope questions

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
ByteBuffer.putLong ~2x faster with non-native ByteOrder
In modern Linux x86-64 is it safe for userspace to overwrite the GS register?
Does the llvm-bolt instrumentation mode result in less accurate BOLT profiles?

BeeOnRope answers

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
How to maintain a persistent background thread?
Does the llvm-bolt instrumentation mode result in less accurate BOLT profiles?