BeeOnRope

BeeOnRope has asked 316 questions and find answers to 302 problems.

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Performance Matters

BeeOnRope questions

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
Portable way to find name of main class from Java code
How does the kernel-side page cache virt <-> phys mapping interact with the TLB?
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)

BeeOnRope answers

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
Acquire/Release VS Sequential Consistency in C++11？