BeeOnRope

BeeOnRope has asked 325 questions and find answers to 303 problems.

Stats

About

Performance Matters

BeeOnRope questions

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?
Can clang be convinced to optimize this almost-leaf function
Is there any way to redirect the output of native JVM output like -XX:+PrintCompilation
SIMD transpose when row size is greater than vector width

BeeOnRope answers

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
File I/O performance is too good to be true?
Why do align access and non-align access have same performance?
Actual difference between data compression and data deduplication