Bits, Math and Performance(?) bitmath.blogspot.com

Loading and storing short anti-diagonal pieces of a 2D grid of i32

blogger.com·20w

Computing 264 mod N, where N is a u64

blogger.com·21w

The non-problem of unsigned integers in Java

blogger.com·32w

From Boolean logic to bitmath and SIMD: transitive closure of tiny graphs

blogger.com·49w

Bit-permuting 16 u32s at once with AVX-512

blogger.com·75w

Histogramming bytes with positional popcount (GF2P8AFFINEQB edition)

blogger.com·79w

Enumerating identities, part 2

blogger.com·91w

Sorting the nibbles of a u64

blogger.com·100w

Sharpening a lower bound with KnownBits information

blogger.com·102w

Multiplying 64x64 bit-matrices with GF2P8AFFINEQB

blogger.com·102w

Implementing grevmul with GF2P8AFFINEQB

blogger.com·103w

Enumerating all mathematical identities (in fixed-size bitvector arithmetic with a restricted set of operations) of a certain size

blogger.com·110w

The solutions to 𝚙𝚘𝚙𝚌𝚗𝚝(𝚡) < 𝚝𝚣𝚌𝚗𝚝(𝚡) and why there are Fibonacci[n] of them below 2ⁿ

blogger.com·114w

Partial sums of popcount

blogger.com·122w

Permuting bits with GF2P8AFFINEQB

blogger.com·138w

Propagating bounds through bitwise operations

blogger.com·150w

Some ways to check whether an unsigned sum wraps

blogger.com·153w

grevmul

blogger.com·156w

(Not) transposing a 16x16 bitmatrix

blogger.com·162w

Column-oriented row reduction

blogger.com·162w

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