fuz

fuz has asked 158 questions and find answers to 449 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

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
How to encode an instruction when we just know the hex for opcode
ASM 8086 : How is coding with multiple code segments different from coding with one code segment?