fuz

fuz has asked 159 questions and find answers to 451 problems.

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About

Doctoral student and heuristic search researcher at Zuse Institute Berlin.

fuz questions

Why does this program terminate on my system but not on playground?
AVX-512 MD5 implementation: unexplained performance regression on Zen 4
How to remove a commit in git that has no specified branch?
Is there a better algorithm to assign numbers to combinations?
Which implementations of the C programming language violate the following assumptions?
Algorithm to approximate an optimal solution for an integer allocation problem
How do I cast a vector to a float64_t to check a SIMD compare for all-zero?
Fast integer to decimal conversion
How to get gcc to generate decent code that checks if a buffer is full of NUL bytes?
How can I automagically make a checkout upon push?

fuz answers

C qsort compare with non-global lookup table
Why do x86 mul and div instructions only take a source operand?
Why GCC generates a mov of the array's beginning on every loop iteration to access array using []? (-O3, x86)
execve() argv in GAS AT&T assembler
Does there exist a surefire, cross platform way to reproduce a SIGBUS?
Why modern calling conventions pass variadic arguments in registers?
Why can't the VS 2015 compiler optimise a branch in an abs() implementation on float numbers?
Assignment to a new variable when deleting an element in a slice yields unexpected result
What are assembly instructions like PEXT actually used for?
Relative jump out of range by