BeeOnRope

BeeOnRope has asked 330 questions and find answers to 306 problems.

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Performance Matters

BeeOnRope questions

Are all side-effects of executor tasks visible after invokeAll?
Can a std::function typedef be used to help define a lambda?
Can consecutive truncating integer divisions be replaced with a multiplication?
Long latency instruction
Are .NET WSE client stubs thread-safe?
Loading and storing long doubles in x86-64
Is it an ODR violation to have inconsistent noexcept in declaration?
What's the equivalent of vbroadcastsd for xmm registers?
x86 non-mov instruction that has a write-only destination and runs on any port on Intel?
Is there a way to determine that SMM interrupt has occured?

BeeOnRope answers

Difference between memory fetch with and without offset on Intel
Using POSIX thread library in x86_64 assembler (yasm) takes more execution time
x86-64 page table Global bit
Long latency instruction
What is the point of MESI on Intel 64 and IA-32
Java BitSet, subset vs intersection
What happens when a core write in its L1 cache while another core is having the same line in its L1 too?
Can value of RDX in main be depended upon when linking assembly app against glibc
C++ function name too long for perf
Design options for references into a thread safe cache when evicting older entries