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Stephen Canon

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1638.61 (726th) 		Reputation
90,138 (870th)
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Title Δ
How many unique values are there between 0 and 1 of a standard float? -1.81
What is the relation between BLAS, LAPACK and ATLAS +0.33
Return type of bitwise operation in C -0.07
What's a proper way of type-punning a float to an int and vice-versa? +0.45
How can I determine which instructions are supported on which Intel... -0.19
int8_t vs char ; Which is the best one? +0.88
SSE/NEON table lookup optimization +0.47
Is there a way to detect VFP/NEON/Thumb/... on iOS at runtime? -1.39
What is accepted as the IEEE-754 correct result when computing this... 0.00
In IEEE float implementation when an Overflow leads to INF, is it c... 0.00
SSE, interleave low and high words 0.00
Calculations with long double in clang – Compiler bug? +0.66
Linking to libraries with $ld$hide$os10.X$ symbols in OSX 0.00
How to do transpose for tptrs in blas? 0.00
Comparing nan (greater and greater equal) +0.31
ARM assembly: bad instruction 'ldrbcc' +1.27
Why don't GCC and Clang use cvtss2sd [memory]? 0.00
Signaling or catching 'nan' as they occur in computations in numeri... -0.34
slower to mix logical variables with double? +0.56
Blas DGEMV input error 0.00
which c code will gets changed to rlwinm power PC assembly instruci... -2.60
Cast ssize_t or size_t +2.06
What are the meaning of the items in the "alignment trap"... +1.52
How to initialize an array to a non-numeric value +1.06
Unexpected performance of multi-precision addition 0.00
iOS BLAS - Accelerate framework poor matrix multiplication performa... +2.05
Assembly code/AVX instructions for multiplication of complex number... +0.35
How to "remove" bytes at the end of a SSE register? -0.56
MMX v/s SSE2 Performance Comparison 0.00
data structures for floating point operation in fixed point processor -2.53
XMM Registers Total or Per Core 0.00
Floating Point Exception when dividing in x86 nasm 0.00
Can this function be optimized using SIMD? +0.37
Best way to load a 64-bit integer to a double precision SSE2 regist... 0.00
Optimize floating-point calculations +0.91
Checksum of floats with roundtrip through text file +0.85
convert unsigned int to single precision floating point with only i... +1.37
When is it more efficient to use CORDIC or a polynomial approximati... -2.56
If statements with comparison SSE in C -1.91
Explain 1 - 3*(4/3 - 1) = 2.2204e-16 in Matlab +0.82
Why does signbit(-0) return 0? -2.22
Is SSE floating-point arithmetic reproducible? +0.34
Test vectors for floating point unit -0.17
DTRMM & DTRSM hangs on certain matrix sizes +0.34
Improve code with NEON on iOS - use VCEQ then VBIT 0.00
Adding values in x64 assembly +1.41
Error in equation of performance prediction time 0.00
Using strncpy() to copy const char * +0.66
How to implement 16 bit->32 bit lookup table in ARM assembly usi... +1.99
IEEE representation of binary number 0.00