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Iwillnotexist Idonotexist

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1560.38 (5,524th) 		Reputation
11,182 (13,357th)
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Title Δ
Why C compilers optimize switch and if differently -0.45
What's the most concise way to reverse a string using x86 or x8... +3.33
SSE: shuffle (permutevar) 4x32 integers -1.68
Decode a single (H264) packet dumped by ffmpeg from a mp4 file 0.00
What is the meaning of esi0a in Assembly insttructions? 0.00
Why are there no sequence point rule violations in this code? 0.00
Can modern x86 implementations store-forward from more than one pri... +3.93
Is the example in the membarrier man page pointless in x86? +3.41
Lost Cycles on Intel? An inconsistency between rdtsc and CPU_CLK_UN... 0.00
Floating Point Program gives Invalid Result -2.93
How can OpenMP know how many loop instances are nested? 0.00
AVX2 support in GCC 5 and later 0.00
Unaligned load/store in gcc vector extension 0.00
What use is the INVD instruction? 0.00
sigsuspend vs additional signals delivered during handler execution +4.15
Perf overcounting simple CPU-bound loop: mysterious kernel work? 0.00
Code (.text) not execute-only? .rodata is executable? +3.42
Significant FMA performance anomaly experienced in the Intel Broadw... +3.98
Do memory allocation functions indicate that the memory content is... +3.34
Fluid Simulation "Blows Up" +3.82
Program compiled with -fPIC crashes while stepping over thread-loca... 0.00
Why does Clang optimize away x * 1.0 but NOT x + 0.0? +5.50
Linux Kernel Generic Netlink - Is it concurrent? 0.00
Difference between memory_order_consume and memory_order_acquire +4.33
CRC32 not calculated right 0.00
What documentation tool am I expected to process this with? 0.00
Why does (*p=*p) & (*q=*q); in C trigger undefined behavior +3.81
Write-only mapping a O_WRONLY opened file supposed to work? +4.00
How can I break on UBSan reports in gdb and continue? +0.73
Are floating point comparisons continuous? If !(a <= b) is (b &g... -4.16
Delaying Code Execution on OSX 10.10 0.00
Square root union and Bit Shift +3.61
How to use Intel Westmere 1GB pages on Linux? 0.00
practical BigNum AVX/SSE possible? +3.80
sdcc inline asm() not working -1.42
Any way to process escape key in canonical mode? 0.00
Check if an OpenCV Matrix is of floating point component type 0.00
What is IACA and how do I use it? 0.00
Obtaining peak bandwidth on Haswell in the L1 cache: only getting 62% 0.00
What is the fastest way to count decimal places? 0.00
Calculating SAD for 128 elements, given two uint8_t arrays +1.82
GCC 4.6.3 Linux -O3 enabled optimizations listing vs applied to cod... 0.00
"EXC_BAD_ACCESS" vs "Segmentation fault". Are b... +5.10
How to manage two or more consumers via pthreads? +3.70
Getting flite to output audio with PortAudio -3.35
int vs short vectorization 0.00
Understanding OpenCV LBP implementation 0.00
C - valgrind - invalid read of size 1 +4.37
GCC's reordering of read/write instructions 0.00
Nested Merge sort in C not working 0.00