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Rating Stats for

Gabriel Southern

Rating
1529.91 (18,596th)

Reputation
5,254 (31,470th)

Page: 1 2

Title	Δ
Can bit-level operations ever be "fast" in software?	-3.63
How can a program's size increase the rate of cache misses?	-0.78
CPU clock cycle misunderstanding	-3.31
How can Intel and AMD be different but still compatible?	+1.86
Why are local variable length for-loops faster? Doesn't branch...	0.00
Data Scrambling Purpose	+3.92
What is the performance impact of virtual memory relative to direct...	0.00
CPU and GPU differences	+3.63
Main difference between Shared memory and Distributed memory	+1.74
-O2 optimizes printf("%s\n", str) to puts(str)	+3.34
What's the theory and measurements behind cache line sizes?	0.00
Why we do not use barriers in User space	+3.73
Memory Data Register (MDR) vs Memory Buffer Register (MBR)	0.00
Why not have separate CODE and DATA stacks	0.00
Dependent loads reordering in CPU	0.00
How can I get exit code of program run with perf stat?	+3.82
Optimizing branch predictions: how to generalize code that could ru...	+3.26
are computations with large floats less accurate then with small fl...	0.00
Finding Average Penalty from AMAT	+3.89
perf top result about nested functions	0.00
Addressable vs Alignment	0.00
why we use write buffer in mips?[cache]	0.00
How many page tables do Intel x86-64 CPUs access to translate virtu...	+2.98
Sequence of micro-operations for operations?	0.00
Per-thread state vs. shared state in threads	+1.25
Perf: what do [<n percent>] records mean in perf stat output?	0.00
Spatial versus Temporal locality exploitation	0.00
What if some structure occupies 10 bits in a byte addressable memory?	0.00
Could BEQ command make an overflow?	0.00
Instruction fetch stage	0.00
Even faster inexpensive thread-safe counter?	-2.86
CPI calculation	0.00
How to get results each sec from "pref stat -d sleep 1000"	0.00
Are cache-line-ping-pong and false sharing the same?	0.00
Why does my 8M L3 cache not provide any benefit for arrays larger t...	+3.77
Cache calculating block offset and index	0.00
Linux Memory Management	+3.97
Inline assembly - pushf without arguments	0.00
Cache it or not Cache it(generate it), that is the questiion	0.00
Qemu-Arm file access?	0.00
32 OR 64 BIT for the JVM?	+4.03
Why is a store-load barrier considered expensive?	0.00
where does stdio.o live in linux machine?	+3.92
Why are number of instructions non-deterministic in Linux performan...	0.00
gcc simple arithmetics loop performance	0.00
Lock-free data structures in C++ = just use atomics and memory-orde...	-1.22
How OpenMP divide a loop into threads?	0.00
PThreads Address Space	+0.48
Virtual address space in windows	0.00
Graphics debugging of Windows Store Apps in Visual Studio 2012	0.00