SpiceQA
Questions
Tags
Users
Badges
x86
1199 Questions
Newest
Active
Unanswered
Frequent
More
Score
View
Card
Compact
How is an instruction executed in a flat memory model, when both the instruction and the accessed data are located in the same page in memory?
user_4463557
0
•
asked Dec 3, 2021
2
0
111
memory-segmentation
intel
x86
assembly
memory-management
Intel JCC Erratum - what is the effect of prefixes used for mitigation?
user_2945027
0
•
asked Dec 3, 2021
5
1
208
micro-optimization
intel
x86
assembly
cpu-architecture
Are x86 atomic instructions also atomic to DMA reads?
user_9691708
0
•
asked Dec 3, 2021
3
0
129
dma
x86-64
instruction-set
atomic
x86
How does the BEXTR instruction in x86 work
user_16141759
0
•
asked Dec 3, 2021
2
2
480
bit-manipulation
x86
assembly
TLB Cache Invalidation when EPT Violation occurs?
user_15319579
0
•
asked Dec 1, 2021
2
1
86
ept
hypervisor
tlb
intel
x86
In 32-bit mode without paging, how to calculate the physical address?
user_13484358
0
•
asked Nov 30, 2021
2
1
184
memory-segmentation
memory-address
x86
assembly
Does an OS choose a memory controller when allocating memory in a server with multiple controllers? How?
user_1165136
0
•
asked Nov 29, 2021
2
2
96
ram
x86
cpu-architecture
memory-management
linux
Is it guaranteed that x86 instruction fetch is atomic, so that rewriting an instruction with a short jump is safe for concurrent thread execution?
user_2945027
0
•
asked Nov 29, 2021
4
1
247
hotpatching
self-modifying
atomic
x86
Why is tan slower in context than when isolated?
user_17541832
0
•
asked Nov 29, 2021
9
1
198
avx
clang
x86
c
performance
Using 16-bit addresses like foo[si] with Irvine32 (in 32-bit mode)?
user_16727443
0
•
asked Nov 29, 2021
2
1
62
irvine32
masm
memory-address
x86
assembly
Prev
Prev
20
21
22
(current)
23
24
Next
Next
Hot Questions