int main()
{
int S,i;
srand((int)getpid());
S=(int)rand()%390;
for(i=0; i<total_instruction; i+=1) /*产生指令队列*/
{
a[i]=S; /*任选一指令访问点*/
a[i+1]=a[i]+1; /*顺序执行一条指令*/
a[i+2]=(int)rand()%390; /*执行前地址指令m’*/
a[i+3]=a[i+2]+1; /*执行后地址指令*/
S=(int)rand()%390;
}
for(i=0; i<total_instruction; i++) /*将指令序列变换成页地址流*/
{
page[i]=a[i]/10;
offset[i]=a[i]%10;
}
for(i=4; i<=32; i++) /*用户内存工作区从4个页面到32个页面*/
{
printf("%2d page frames",i);
FIFO(i);
LRU(i);
OPT(i);
LFU(i);
NUR(i);
printf("\n");
}
return 0;
}
void OpenGLWindow::resizeGl()
{
context->makeCurrent(this);
renderer->setSize(width(), height());
renderer->pMatrix.setToIdentity();
float FOVvert = 60.0;
float aspectRatio = (float) width() / (float) height();
float nearPlane = 0.1;
float farPlane = 1000;
renderer->pMatrix.perspective(FOVvert, aspectRatio, nearPlane, farPlane);
#define PI 3.14159265359
//Near
float nearVert = nearPlane*tanf(FOVvert/2 * PI/180);
float nearHorz = nearVert*aspectRatio;
//qDebug() << "nearVert" << nearVert;
//qDebug() << "nearHorz" << nearHorz;
QVector4D NLL(-nearHorz,-nearVert,-nearPlane,1);
QVector4D NLR(nearHorz,-nearVert,-nearPlane,1);
QVector4D NUL(-nearHorz,nearVert,-nearPlane,1);
QVector4D NUR(nearHorz,nearVert,-nearPlane,1);
//Far
float farVert = farPlane*tanf(FOVvert/2 * PI/180);
float farHorz = farVert*aspectRatio;
//qDebug() << "farVert" << farVert;
//qDebug() << "farHorz" << farHorz;
QVector4D FLL(-farHorz,-farVert,-farPlane,1);
QVector4D FLR(farHorz,-farVert,-farPlane,1);
QVector4D FUL(-farHorz,farVert,-farPlane,1);
QVector4D FUR(farHorz,farVert,-farPlane,1);
renderer->frustumCorners.clear();
renderer->frustumCorners.push_back(NLL);
renderer->frustumCorners.push_back(NLR);
renderer->frustumCorners.push_back(NUL);
renderer->frustumCorners.push_back(NUR);
renderer->frustumCorners.push_back(FLL);
renderer->frustumCorners.push_back(FLR);
renderer->frustumCorners.push_back(FUL);
renderer->frustumCorners.push_back(FUR);
/*
qDebug() << "NLL" << NLL;
qDebug() << "NLR" << NLR;
qDebug() << "NUL" << NUL;
qDebug() << "NUR" << NUR;
qDebug() << "FLL" << FLL;
qDebug() << "FLR" << FLR;
qDebug() << "FUL" << FUL;
qDebug() << "FUR" << FUR;
*/
renderer->pMatrixInv = renderer->pMatrix;
renderer->pMatrixInv.inverted();
glViewport(0, 0, width(), height());
}
void main()
{
int s, i, j;
srand(10*getpid());
s=(float)319*rand()/32767/32767/2+1; // 前面两位是页号，后面是偏移地址
for (i=0; i<total_instruction; i+=4)
{
if (s<0||s>319)
{
printf("When i==%d, Error, s==%d\n",i,s);
exit(0);
}
a[i] = s;
a[i+1] = a[i]+1;
a[i+2] = (float)a[i]*rand()/32767/32767/2;
a[i+3] = a[i+2]+1;
s=(float)(318-a[i+2])*rand()/32767/32767/2+a[i+2]+2;
if ((a[i+2]>318)||(s>319))
printf("a[%d+2], a number which is: %d and s==%d\n",
i, a[i+2], s);
}
for (i=-1; i<total_instruction; i++)
{
page[i] = a[i]/10;
offset[i] = a[i]%10;
}
for (i=4; i<=32; i++)
{
printf("%2d page frames", i);
FIFO(i);
LRU(i);
OPT(i);
LFU(i);
NUR(i);
printf("\n");
}
}
int main()
{
int s, i, j;
srand(10 * getpid()); /*由于每次运行时进程号不同，故可用来作为初始化随机数队列的“种子”*/
s = (float)319 * rand() / 32767 / 32767 / 2 + 1; //
for (i = 0; i < total_instruction; i += 4) /*产生指令队列*/
{
if (s < 0 || s > 319)
{
printf("When i==%d,Error,s==%d\n", i, s);
exit(0);
}
a[i] = s; /*任选一指令访问点m*/
a[i + 1] = a[i] + 1; /*顺序执行一条指令*/
a[i + 2] = (float)a[i] * rand() / 32767 / 32767 / 2; /*执行前地址指令m' */
a[i + 3] = a[i + 2] + 1; /*顺序执行一条指令*/
s = (float)(318 - a[i + 2]) * rand() / 32767 / 32767 / 2 + a[i + 2] + 2;
if ((a[i + 2] > 318) || (s > 319))
printf("a[%d+2],a number which is :%d and s==%d\n", i, a[i + 2], s);
}
for (i = 0; i < total_instruction; i++) /*将指令序列变换成页地址流*/
{
page[i] = a[i] / 10;
offset[i] = a[i] % 10;
}
for (i = 4; i <= 32; i++) /*用户内存工作区从4个页面到32个页面*/
{
printf("---%2d page frames---\n", i);
FIFO(i);
LRU(i);
LFU(i);
NUR(i);
OPT(i);
}
return 0;
}
