Terminus-IMRC

Low-level libraries

• Idein/qmkl: BLAS library for VideoCore IV QPU (Raspberry Pi Zero/1/2/3).
• Idein/qmkl6: BLAS library for VideoCore VI QPU (Raspberry Pi 4).
• Terminus-IMRC/mailbox: A wrapper for Mailbox interface.
• Idein/librpimemmgr: A memory manager.
• Terminus-IMRC/libvc4regmap: A library for accessing peripherals (incl. V3D).
• Terminus-IMRC/librpii2cslv: An I2C slave wrapper.
• Idein/librpicopy: Fast implementations of memory copy and fill with DMA.

Multimedia libraries

Terminus-IMRC

# .editorconfig -- Config file for EditorConfig. http://editorconfig.org/

[*]
charset = utf-8
end_of_line = lf
trim_trailing_whitespace = true
insert_final_newline = true

[*.{tex,bib}]
indent_style = space

Terminus-IMRC

#include <stdio.h>
#include <string.h>

#define SIGMA(sta,end) (((sta) + (end)) * ((end) - (sta) + 1) / 2)
#define SIGMAN(sta,n) SIGMA((sta), (sta) + (n) - 1)

#define ORDER 6
#define SUM (SIGMA(0, ORDER*ORDER-1) / ORDER)

typedef long long int num_t;

Terminus-IMRC

n = 3

$ time ./isomorph_msq.py
(0, 1, 2, 3, 4, 5, 6, 7, 8)
(0, 3, 6, 1, 4, 7, 2, 5, 8)
(2, 1, 0, 5, 4, 3, 8, 7, 6)
(2, 5, 8, 1, 4, 7, 0, 3, 6)
(6, 3, 0, 7, 4, 1, 8, 5, 2)
(6, 7, 8, 3, 4, 5, 0, 1, 2)

Terminus-IMRC

#include <iostream>
#include <gmp.h>
#include <gmpxx.h>
#include <omp.h>

int main(int argc, char *argv[])
{
    if (argc != 1 + 2) {
        std::cerr << "Specify a and b for comb(a, b)\n";
        return 1;

Terminus-IMRC

#!/usr/bin/env python3

import numpy as np

# Assume that P = N * N.
N = 4

A = np.arange(0, 2 * N * N, 2).reshape(N, N)
B = np.arange(1, 2 * N * N, 2).reshape(N, N)
C_gt = A.dot(B)

Terminus-IMRC

$ c++ rump.cpp -lmpfi -lmpfr -lgmp
$ for prec in 1 10 20 30 31 32 33 34 35 36 37 38 39 40; do ./a.out $prec; done
prec =  1: {-5.48801451098564180059512748897e+36,8.80613556589959273415384575891e+36}
prec = 10: {-719561148094296450146500608,1425281040027303069683286016}
prec = 20: {-108086391056891902.82763671875,144115188075855873.1728515625}
prec = 30: {-4194302.82739605994683529388567,4194305.17260394005319312782376}
prec = 31: {-524286.827396059946822859387794,524289.172603940053178916969046}
prec = 32: {-32766.8273960599468214160978619,1.17260394005317863186453174879}
prec = 33: {-4094.82739605994682137446449843,1.17260394005317863186453174879}
prec = 34: {-510.827396059946821369260328005,1.17260394005317863186453174879}

Terminus-IMRC

Raspberry Pi informations

Table of contents

• cpuinfo
  • Raspberry Pi 1
  • Raspberry Pi 2
  • Raspberry Pi 3
  • Raspberry Pi 4

Terminus-IMRC

docker-texlive-templates

English/Japanese TeX Live examples in a Docker container.

$ docker-compose build
$ make test-english.pdf
$ make test-japanese.pdf
$ make clean

Terminus-IMRC

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