go和fortran是科学计算领域备受推崇的两个框架,各有优势,适用于不同场景。go:现代、开源的编程语言,并发性强,语法简洁,跨平台,适用于分布式系统和云计算,数值运算性能略逊于fortran,数学库较小。fortran:专门针对科学计算设计的语言,数值运算和并行编程功能强大,拥有丰富的数学库,性能出色,但可移植性较差,语法相对复杂。

Go和FORTRAN框架:科学计算领域的王者之争
在科学计算领域,Go和FORTRAN是备受推崇的两个框架,各自拥有独特的优势。本文将探究这两个框架的特性、优缺点,并通过实战案例展示它们的实际应用。
Go框架
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Go是一种现代、开源的编程语言,以其并发性、安全性、可扩展性和跨平台特性而闻名。Go在分布式系统和云计算方面有着广泛的应用,也非常适合科学计算。
优点:
缺点:
FORTRAN框架
FORTRAN是一种专门针对科学计算设计的语言,拥有悠久的历史和庞大的生态系统。FORTRAN以其在数值运算和并行编程方面的强大功能而著称。
优点:
缺点:
实战案例
案例一:矩阵乘法
package main
import (
"fmt"
"time"
)
func main() {
A := [][]float64{
{1, 2, 3},
{4, 5, 6},
}
B := [][]float64{
{7, 8},
{9, 10},
{11, 12},
}
startTime := time.Now()
C := MultiplyMatrices(A, B)
elapsedTime := time.Since(startTime)
fmt.Println("Result:")
for _, row := range C {
for _, col := range row {
fmt.Print(col, " ")
}
fmt.Println()
}
fmt.Printf("Elapsed time: %v\n", elapsedTime)
}
func MultiplyMatrices(A, B [][]float64) [][]float64 {
rowsA := len(A)
colsA := len(A[0])
rowsB := len(B)
colsB := len(B[0])
if colsA != rowsB {
panic("Columns of A must match rows of B")
}
C := make([][]float64, rowsA)
for i := range C {
C[i] = make([]float64, colsB)
}
for i := range C {
for j := range C[i] {
for k := range A[i] {
C[i][j] += A[i][k] * B[k][j]
}
}
}
return C
}program matrix_multiplication
implicit none
integer, parameter :: a_rows = 2, a_cols = 3
integer, parameter :: b_rows = 3, b_cols = 2
real, dimension(a_rows, a_cols) :: matrixa
real, dimension(b_rows, b_cols) :: matrixb
real, dimension(a_rows, b_cols) :: matrixc
! Initialize matrix a and b
matrixa = reshape([(1, 4), (2, 5), (3, 6)], [a_rows, a_cols])
matrixb = reshape([(7, 9, 11), (8, 10, 12)], [b_rows, b_cols])
! Compute matrix multiplication
call matmul(matrixa, matrixb, matrixc)
! Print result
print *, "Result:"
do i = 1, a_rows
do j = 1, b_cols
print *, matrixc(i, j),
end do
print *,
end do
contains
subroutine matmul(matrixa, matrixb, matrixc)
implicit none
integer, intent(in) :: m
integer, intent(in) :: n
integer, intent(in) :: k
real, dimension(m, n), intent(in) :: matrixa
real, dimension(n, k), intent(in) :: matrixb
real, dimension(m, k), intent(out) :: matrixc
integer :: i, j, l
do i = 1, m
do j = 1, k
matrixc(i, j) = 0
end do
end do
do i = 1, m
do j = 1, k
do l = 1, n
matrixc(i, j) = matrixc(i, j) + matrixa(i, l) * matrixb(l, j)
end do
end do
end do
end subroutine matmul
end program matrix_multiplication案例二:求解偏微分方程
Go:
package main
import (
"fmt"
"sync"
"time"
"math"
)
const N = 10000 // number of grid points
var u = make([][]float64, N) // solution
func main() {
startTime := time.Now()
SolveHeatEquation(u)
elapsedTime := time.Since(startTime)
fmt.Print("Solution:\n")
for i := 0; i < N; i++ {
for j := 0; j < N; j++ {
fmt.Printf("%f ", u[i][j])
}
fmt.Println()
}
fmt.Printf("Elapsed time: %v\n", elapsedTime)
}
func SolveHeatEquation(u [][]float64) {
dx := 1.0 / float64(N-1)
dt := dx * dx / 4.0
var wg sync.WaitGroup
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