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== zen2, 3900x
buf_size=67108864 bytes, queries=65536, iters=500, seed=1
glibc_memchr    time=2569793607 ns  checksum=0x464af4d3c0d93dff
simple_memchr   time=4877482198 ns  checksum=0x464af4d3c0d93dff
memchr2         time=3978928453 ns  checksum=0x464af4d3c0d93dff
memchr_sse42    time=3745261520 ns  checksum=0x464af4d3c0d93dff
repne_scas      time=6229297013 ns  checksum=0x464af4d3c0d93dff
memchr_sse2     time=3180128354 ns  checksum=0x464af4d3c0d93dff
memchr_avx2_simple  time=2455712727 ns  checksum=0x464af4d3c0d93dff
memchr_sse2_bsf  time=3195730838 ns  checksum=0x464af4d3c0d93dff

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=== zen2, 3900x
buf_size=67108864 bytes, queries=65536, iters=500, seed=1
sse2_bmi1             time=11756063470 ns  checksum=0x35d89b8eb4628bfb
sse2_bmi1_fast        time=12852861821 ns  checksum=0x35d89b8eb4628bfb
ssse3_bmi1            time=12899733198 ns  checksum=0x35d89b8eb4628bfb
avx2_bmi1             time=11357734198 ns  checksum=0x35d89b8eb4628bfb
avx2_bmi1_alt         time=11012575169 ns  checksum=0x35d89b8eb4628bfb

Estimated throughput (GiB/s):
  sse2_bmi1        : 89.755

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const TRAN = [2, 214, 158, 111, 249, 29, 4, 171, 208, 34, 22, 31, 216, 115, 161, 172, 59, 112, 98, 150, 30, 110, 143, 57, 157, 5, 20, 74, 166, 190, 174, 14, 207, 185, 156, 154, 199, 104, 19, 225, 45, 164, 235, 81, 141, 100, 107, 80, 35, 128, 3, 65, 236, 187, 113, 204, 122, 134, 127, 152, 242, 54, 94, 238, 142, 206, 79, 184, 50, 182, 95, 89, 220, 27, 49, 76, 123, 240, 99, 1, 108, 186, 7, 232, 18, 119, 73, 60, 218, 70, 254, 47, 121, 28, 155, 48, 227, 0, 6, 126, 46, 15, 56, 51, 33, 173, 165, 84, 202, 167, 41, 252, 90, 71, 105, 125, 197, 149, 181, 244, 11, 144, 163, 129, 109, 37, 85, 53, 245, 117, 116, 10, 38, 191, 25, 92, 26, 198, 255, 153, 93, 132, 170, 102, 62, 175, 120, 179, 32, 67, 193, 237, 36, 234, 230, 63, 24, 243, 160, 66, 87, 8, 83, 96, 195, 192, 131, 64, 130, 215, 9, 189, 68, 42, 103, 168, 147, 224, 194, 86, 159, 217, 221, 133, 21, 180, 138, 39, 40, 146, 118, 222, 239, 248, 178, 183, 201, 61, 69, 148, 75, 17, 13, 101, 213, 52, 139, 145, 12, 250, 135, 233, 124, 91, 177, 77, 229, 212, 203, 16, 162, 23, 1

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  #8 0.241 WARNING: apt does not have a stable CLI interface. Use with caution in scripts.
  #8 0.242 
  #8 0.442 Get:1 http://deb.debian.org/debian bookworm InRelease [151 kB]
  #8 0.524 Get:2 http://deb.debian.org/debian bookworm-updates InRelease [55.4 kB]
  #8 0.525 Get:3 http://deb.debian.org/debian-security bookworm-security InRelease [48.0 kB]
  #8 1.352 Get:4 http://deb.debian.org/debian bookworm/main s390x Packages [8458 kB]
  #8 2.105 Get:5 http://deb.debian.org/debian bookworm-updates/main s390x Packages [6928 B]
  #8 2.883 Get:6 http://deb.debian.org/debian-security bookworm-security/main s390x Packages [241 kB]
  #8 6.985 Fetched 8960 kB in 7s (1358 kB/s)
  #8 6.985 Reading package lists...

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        #define f(k)if(k==a)\
     do k+=*p;while(*p++==a*a+30)
   unsigned char*b,*m,*d,*p;k,c,y,x
  ,a=15,v,z=1<<31;g(){for(b=p;c=*p++
  ,k=c>>4,x=c&a,1;){f(k);d=mempcpy(d,
  p,k);if((               p+=k)>=b+v)
  break;y=*p               ++;y|=*p\
  ++<<8;f(x)
  ;for(m=d-y
  ,x+=4;x--;               *d++=*m++

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#!/bin/bash
if [ "$#" -lt 1 ]; then
  echo "Usage: $0 <mode> [configure-args...]"
  exit 1
fi
SCRIPT="$0"
case "$SCRIPT" in
  /*) DIR=$(dirname "$SCRIPT") ;;
  *) DIR=$(cd "$(dirname "$SCRIPT")" && pwd) ;;
esac

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#include <emmintrin.h>
#include <stdint.h>
#include <stddef.h>

static const uint8_t matrix[16384] = {
  0x66, 0xe9, 0x4b, 0xd4, 0xef, 0x8a, 0x2c, 0x3b, 0x88, 0x4c, 0xfa, 0x59, 0xca, 0x34, 0x2b, 0x2e, 0x47, 0x71, 0x18, 0x16, 0xe9, 0x1d, 0x6f, 0xf0, 0x59, 0xbb, 0xbf, 0x2b, 0xf5, 0x8e, 0x0f, 0xd3, 0xbc, 0xf1, 0x76, 0xa7, 0xea, 0xad, 0x80, 0x85, 0xeb, 0xac, 0xea, 0x36, 0x24, 0x62, 0xa2, 0x81, 0x4f, 0xfc, 0x69, 0x77, 0x2e, 0xd5, 0xa3, 0x36, 0xf4, 0x61, 0x5b, 0x45, 0x03, 0xc3, 0x48, 0x14, 
  0xf8, 0x32, 0x1c, 0xf1, 0x8e, 0xf5, 0xfe, 0x72, 0x7d, 0xd8, 0x2a, 0x5c, 0x1e, 0x94, 0x51, 0x41, 0x2f, 0x16, 0x48, 0xbc, 0x9d, 0x95, 0xc3, 0x7f, 0xee, 0x0f, 0xd7, 0x53, 0x79, 0xfb, 0x7e, 0x59, 0x97, 0x45, 0xd7, 0xb2, 0x19, 0x72, 0xb1, 0x0b, 0x39, 0x93, 0xcc, 0x5d, 0x2f, 0xdd, 0x78, 0x8c, 0xd2, 0x61, 0xfd, 0x7d, 0x57, 0x9b, 0x0d, 0x40, 0x33, 0xba, 0xf0, 0x6d, 0x4e, 0x35, 0xb9, 0x0e, 
  0x29, 0x2c, 0x02, 0xc5, 0xcb, 0x91, 0x63, 0xc8, 0x0a, 0xc0, 0xf6, 0xcf, 0x1d, 0xd8, 0xe9, 0x2d, 0xef, 0xcd, 0x22, 0x90, 0xb9, 0xae, 0xe1, 0x86, 0

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#include <stdio.h>
#include <time.h>
void f(long u) {
	char*ms="SunMonTueWedThuFriSatJanFebMarAprMayJunJulAugSepOctNovDec";
	int t=u%86400,od=u/86400,y,d=od,m,a,mp;if(d>11016)y=100,d++;y+=(d=(4
	*d+2877875)%146097|3)/1461;a=(d=d%1461/4+1)-307;m=((d*=5)-3)/153;if(
	(mp=m+2)>11)mp-=12,y++;printf("%02d:%02d:%02d (UTC), %.3s %02d %.3s"
	" %d (day %d)",t/3600,(t/60)%60,t%60,ms+3*((od+4)%7),(d+2-153*m)/5-1
	,ms+21+3*m,y+1900,(a>=0?a:a+365)+(!(y&3)&&a<0)); }
int main(void) { f(time(NULL)); }

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// ---------------------------------------------------------------------------
//      KCrypt3 - 3rd iteration of the KCrypt algorithm.
//      Written on Sunday, 26th of January 2025 by Kamila Szewczyk.
// ---------------------------------------------------------------------------
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <errno.h>
#include <stdlib.h>

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// Feeling overwhelmed by "find the words in a grid" tasks for preschoolers?
// Look no further!
#include <leptonica/allheaders.h>
#include <tesseract/baseapi.h>
#include <fstream>
#include <iostream>
#include <sstream>
#include <string>
#include <vector>
using namespace std;