Минимальный пример
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3
bitcoin-project/.gitignore
vendored
3
bitcoin-project/.gitignore
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data
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build
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build
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out.txt
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CXX = g++
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CXXFLAGS = -std=c++17 -O2 -Wall -Wextra
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CXX = mpic++
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CXXFLAGS = -std=c++17 -O2 -Wall -Wextra -Wno-cast-function-type
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SRC_DIR = src
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BUILD_DIR = build
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12
bitcoin-project/README.md
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12
bitcoin-project/README.md
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Проект обязательно должен быть расположен в общей директории для всех узлов,
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например, в `/mnt/shared/bitcoin-project`
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```sh
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make
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```
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```sh
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sbatch run.slurm
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```
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Обязательно должны быть запущены все 4 нода. Результат будет в out.txt.
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7
bitcoin-project/run.slurm
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7
bitcoin-project/run.slurm
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#!/bin/bash
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#SBATCH --job-name=btc
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#SBATCH --nodes=4
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#SBATCH --ntasks=4
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#SBATCH --output=out.txt
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mpirun -np 4 ./build/bitcoin_app
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#include <iostream>
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#include <mpi.h>
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#include "csv_loader.hpp"
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#include "utils.hpp"
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#include "mpi_utils.hpp"
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int main() {
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auto records = load_csv("data/data.csv");
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int main(int argc, char** argv) {
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MPI_Init(&argc, &argv);
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std::cout << "Loaded rows: " << records.size() << "\n";
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mpi_test(); // просто тест, что всё работает
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for (int i = 0; i < 5 && i < records.size(); i++) {
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std::cout << records[i].timestamp << " "
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<< records[i].open << " "
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<< records[i].high << " "
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<< records[i].low << " "
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<< records[i].close << " "
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<< records[i].volume << "\n";
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}
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auto days = group_by_day(records);
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std::cout << "Total days: " << days.size() << "\n";
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auto parts = split_days(days, 4);
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for (int i = 0; i < 4; i++) {
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std::cout << "Part " << i << " has " << parts[i].size() << " days:\n";
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}
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MPI_Finalize();
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return 0;
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}
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11
bitcoin-project/src/mpi_utils.cpp
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bitcoin-project/src/mpi_utils.cpp
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#include <mpi.h>
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#include <iostream>
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void mpi_test() {
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int rank, size;
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MPI_Comm_rank(MPI_COMM_WORLD, &rank);
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MPI_Comm_size(MPI_COMM_WORLD, &size);
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std::cout << "Hello from rank " << rank << " of " << size << std::endl;
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}
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2
bitcoin-project/src/mpi_utils.hpp
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2
bitcoin-project/src/mpi_utils.hpp
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#pragma once
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void mpi_test();
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