| Index: nacl/richards.c
|
| diff --git a/nacl/richards.c b/nacl/richards.c
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..637523c9a4f50d620ec1039d6d6a4c8d8be64eb5
|
| --- /dev/null
|
| +++ b/nacl/richards.c
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| @@ -0,0 +1,437 @@
|
| +
|
| +/* C version of the systems programming language benchmark
|
| +** Author: M. J. Jordan Cambridge Computer Laboratory.
|
| +**
|
| +** Modified by: M. Richards, Nov 1996
|
| +** to be ANSI C and runnable on 64 bit machines + other minor changes
|
| +** Modified by: M. Richards, 20 Oct 1998
|
| +** made minor corrections to improve ANSI compliance (suggested
|
| +n** by David Levine)
|
| +**
|
| +** Compile with, say
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| +**
|
| +** gcc -o bench bench.c
|
| +**
|
| +** or
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| +**
|
| +** gcc -o bench100 -Dbench100 bench.c (for a version that obeys
|
| +** the main loop 100x more often)
|
| +*/
|
| +
|
| +#include <stdio.h>
|
| +#include <stdlib.h>
|
| +
|
| +#define Count_1k 1000
|
| +#define Qpktcountval_1k 2322
|
| +#define Holdcountval_1k 928
|
| +
|
| +#define Count_1M 10000*100
|
| +#define Qpktcountval_1M 2326410
|
| +#define Holdcountval_1M 930563
|
| +
|
| +#define Count_10k 10000
|
| +#define Qpktcountval_10k 23246
|
| +#define Holdcountval_10k 9297
|
| +
|
| +
|
| +long Count;
|
| +long Qpktcountval;
|
| +long Holdcountval;
|
| +
|
| +#define TRUE 1
|
| +#define FALSE 0
|
| +#define MAXINT 32767
|
| +
|
| +#define BUFSIZE 3
|
| +#define I_IDLE 1
|
| +#define I_WORK 2
|
| +#define I_HANDLERA 3
|
| +#define I_HANDLERB 4
|
| +#define I_DEVA 5
|
| +#define I_DEVB 6
|
| +#define PKTBIT 1
|
| +#define WAITBIT 2
|
| +#define HOLDBIT 4
|
| +#define NOTPKTBIT !1
|
| +#define NOTWAITBIT !2
|
| +#define NOTHOLDBIT 0XFFFB
|
| +
|
| +#define S_RUN 0
|
| +#define S_RUNPKT 1
|
| +#define S_WAIT 2
|
| +#define S_WAITPKT 3
|
| +#define S_HOLD 4
|
| +#define S_HOLDPKT 5
|
| +#define S_HOLDWAIT 6
|
| +#define S_HOLDWAITPKT 7
|
| +
|
| +#define K_DEV 1000
|
| +#define K_WORK 1001
|
| +
|
| +struct packet
|
| +{
|
| + struct packet *p_link;
|
| + int p_id;
|
| + int p_kind;
|
| + int p_a1;
|
| + char p_a2[BUFSIZE+1];
|
| +};
|
| +
|
| +struct task
|
| +{
|
| + struct task *t_link;
|
| + int t_id;
|
| + int t_pri;
|
| + struct packet *t_wkq;
|
| + int t_state;
|
| + struct task *(*t_fn)(struct packet *);
|
| + long t_v1;
|
| + long t_v2;
|
| +};
|
| +
|
| +char alphabet[28] = "0ABCDEFGHIJKLMNOPQRSTUVWXYZ";
|
| +struct task *tasktab[11] = {(struct task *)10,0,0,0,0,0,0,0,0,0,0};
|
| +struct task *tasklist = 0;
|
| +struct task *tcb;
|
| +long taskid;
|
| +long v1;
|
| +long v2;
|
| +int qpktcount = 0;
|
| +int holdcount = 0;
|
| +int tracing = 0;
|
| +int layout = 0;
|
| +
|
| +void append(struct packet *pkt, struct packet *ptr);
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| +
|
| +void createtask(int id,
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| + int pri,
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| + struct packet *wkq,
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| + int state,
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| + struct task *(*fn)(struct packet *),
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| + long v1,
|
| + long v2)
|
| +{
|
| + struct task *t = (struct task *)malloc(sizeof(struct task));
|
| +
|
| + tasktab[id] = t;
|
| + t->t_link = tasklist;
|
| + t->t_id = id;
|
| + t->t_pri = pri;
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| + t->t_wkq = wkq;
|
| + t->t_state = state;
|
| + t->t_fn = fn;
|
| + t->t_v1 = v1;
|
| + t->t_v2 = v2;
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| + tasklist = t;
|
| +}
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| +
|
| +struct packet *pkt(struct packet *link, int id, int kind)
|
| +{
|
| + int i;
|
| + struct packet *p = (struct packet *)malloc(sizeof(struct packet));
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| +
|
| + for (i=0; i<=BUFSIZE; i++)
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| + p->p_a2[i] = 0;
|
| +
|
| + p->p_link = link;
|
| + p->p_id = id;
|
| + p->p_kind = kind;
|
| + p->p_a1 = 0;
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| +
|
| + return (p);
|
| +}
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| +
|
| +void trace(char a)
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| +{
|
| + if ( --layout <= 0 )
|
| + {
|
| + printf("\n");
|
| + layout = 50;
|
| + }
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| +
|
| + printf("%c", a);
|
| +}
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| +
|
| +void schedule()
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| +{
|
| + while ( tcb != 0 )
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| + {
|
| + struct packet *pkt;
|
| + struct task *newtcb;
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| +
|
| + pkt=0;
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| +
|
| + switch ( tcb->t_state )
|
| + {
|
| + case S_WAITPKT:
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| + pkt = tcb->t_wkq;
|
| + tcb->t_wkq = pkt->p_link;
|
| + tcb->t_state = tcb->t_wkq == 0 ? S_RUN : S_RUNPKT;
|
| +
|
| + case S_RUN:
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| + case S_RUNPKT:
|
| + taskid = tcb->t_id;
|
| + v1 = tcb->t_v1;
|
| + v2 = tcb->t_v2;
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| + if (tracing) {
|
| + trace(taskid+'0');
|
| + }
|
| + newtcb = (*(tcb->t_fn))(pkt);
|
| + tcb->t_v1 = v1;
|
| + tcb->t_v2 = v2;
|
| + tcb = newtcb;
|
| + break;
|
| +
|
| + case S_WAIT:
|
| + case S_HOLD:
|
| + case S_HOLDPKT:
|
| + case S_HOLDWAIT:
|
| + case S_HOLDWAITPKT:
|
| + tcb = tcb->t_link;
|
| + break;
|
| +
|
| + default:
|
| + return;
|
| + }
|
| + }
|
| +}
|
| +
|
| +struct task *wait(void)
|
| +{
|
| + tcb->t_state |= WAITBIT;
|
| + return (tcb);
|
| +}
|
| +
|
| +struct task *holdself(void)
|
| +{
|
| + ++holdcount;
|
| + tcb->t_state |= HOLDBIT;
|
| + return (tcb->t_link) ;
|
| +}
|
| +
|
| +struct task *findtcb(int id)
|
| +{
|
| + struct task *t = 0;
|
| +
|
| + if (1<=id && id<=(long)tasktab[0])
|
| + t = tasktab[id];
|
| + if (t==0) printf("\nBad task id %d\n", id);
|
| + return(t);
|
| +}
|
| +
|
| +struct task *release(int id)
|
| +{
|
| + struct task *t;
|
| +
|
| + t = findtcb(id);
|
| + if ( t==0 ) return (0);
|
| +
|
| + t->t_state &= NOTHOLDBIT;
|
| + if ( t->t_pri > tcb->t_pri ) return (t);
|
| +
|
| + return (tcb) ;
|
| +}
|
| +
|
| +
|
| +struct task *qpkt(struct packet *pkt)
|
| +{
|
| + struct task *t;
|
| +
|
| + t = findtcb(pkt->p_id);
|
| + if (t==0) return (t);
|
| +
|
| + qpktcount++;
|
| +
|
| + pkt->p_link = 0;
|
| + pkt->p_id = taskid;
|
| +
|
| + if (t->t_wkq==0)
|
| + {
|
| + t->t_wkq = pkt;
|
| + t->t_state |= PKTBIT;
|
| + if (t->t_pri > tcb->t_pri) return (t);
|
| + }
|
| + else
|
| + {
|
| + append(pkt, (struct packet *)&(t->t_wkq));
|
| + }
|
| +
|
| + return (tcb);
|
| +}
|
| +
|
| +struct task *idlefn(struct packet *pkt)
|
| +{
|
| + if ( --v2==0 ) return ( holdself() );
|
| +
|
| + if ( (v1&1) == 0 )
|
| + {
|
| + v1 = ( v1>>1) & MAXINT;
|
| + return ( release(I_DEVA) );
|
| + }
|
| + else
|
| + {
|
| + v1 = ( (v1>>1) & MAXINT) ^ 0XD008;
|
| + return ( release(I_DEVB) );
|
| + }
|
| +}
|
| +
|
| +struct task *workfn(struct packet *pkt)
|
| +{
|
| + if ( pkt==0 ) return ( wait() );
|
| + else
|
| + {
|
| + int i;
|
| +
|
| + v1 = I_HANDLERA + I_HANDLERB - v1;
|
| + pkt->p_id = v1;
|
| +
|
| + pkt->p_a1 = 0;
|
| + for (i=0; i<=BUFSIZE; i++)
|
| + {
|
| + v2++;
|
| + if ( v2 > 26 ) v2 = 1;
|
| + (pkt->p_a2)[i] = alphabet[v2];
|
| + }
|
| + return ( qpkt(pkt) );
|
| + }
|
| +}
|
| +
|
| +struct task *handlerfn(struct packet *pkt)
|
| +{
|
| + if ( pkt!=0) {
|
| + append(pkt, (struct packet *)(pkt->p_kind==K_WORK ? &v1 : &v2));
|
| + }
|
| +
|
| + if ( v1!=0 ) {
|
| + int count;
|
| + struct packet *workpkt = (struct packet *)v1;
|
| + count = workpkt->p_a1;
|
| +
|
| + if ( count > BUFSIZE ) {
|
| + v1 = (long)(((struct packet *)v1)->p_link);
|
| + return ( qpkt(workpkt) );
|
| + }
|
| +
|
| + if ( v2!=0 ) {
|
| + struct packet *devpkt;
|
| +
|
| + devpkt = (struct packet *)v2;
|
| + v2 = (long)(((struct packet *)v2)->p_link);
|
| + devpkt->p_a1 = workpkt->p_a2[count];
|
| + workpkt->p_a1 = count+1;
|
| + return( qpkt(devpkt) );
|
| + }
|
| + }
|
| + return wait();
|
| +}
|
| +
|
| +struct task *devfn(struct packet *pkt)
|
| +{
|
| + if ( pkt==0 )
|
| + {
|
| + if ( v1==0 ) return ( wait() );
|
| + pkt = (struct packet *)v1;
|
| + v1 = 0;
|
| + return ( qpkt(pkt) );
|
| + }
|
| + else
|
| + {
|
| + v1 = (long)pkt;
|
| + if (tracing) trace(pkt->p_a1);
|
| + return ( holdself() );
|
| + }
|
| +}
|
| +
|
| +void append(struct packet *pkt, struct packet *ptr)
|
| +{
|
| + pkt->p_link = 0;
|
| +
|
| + while ( ptr->p_link ) ptr = ptr->p_link;
|
| +
|
| + ptr->p_link = pkt;
|
| +}
|
| +
|
| +int richards()
|
| +{
|
| + struct packet *wkq = 0;
|
| +
|
| + //printf("Bench mark starting\n");
|
| +
|
| + createtask(I_IDLE, 0, wkq, S_RUN, idlefn, 1, Count);
|
| +
|
| + wkq = pkt(0, 0, K_WORK);
|
| + wkq = pkt(wkq, 0, K_WORK);
|
| +
|
| + createtask(I_WORK, 1000, wkq, S_WAITPKT, workfn, I_HANDLERA, 0);
|
| +
|
| + wkq = pkt(0, I_DEVA, K_DEV);
|
| + wkq = pkt(wkq, I_DEVA, K_DEV);
|
| + wkq = pkt(wkq, I_DEVA, K_DEV);
|
| +
|
| + createtask(I_HANDLERA, 2000, wkq, S_WAITPKT, handlerfn, 0, 0);
|
| +
|
| + wkq = pkt(0, I_DEVB, K_DEV);
|
| + wkq = pkt(wkq, I_DEVB, K_DEV);
|
| + wkq = pkt(wkq, I_DEVB, K_DEV);
|
| +
|
| + createtask(I_HANDLERB, 3000, wkq, S_WAITPKT, handlerfn, 0, 0);
|
| +
|
| + wkq = 0;
|
| + createtask(I_DEVA, 4000, wkq, S_WAIT, devfn, 0, 0);
|
| + createtask(I_DEVB, 5000, wkq, S_WAIT, devfn, 0, 0);
|
| +
|
| + tcb = tasklist;
|
| +
|
| + qpktcount = holdcount = 0;
|
| +
|
| + //printf("Starting\n");
|
| +
|
| + tracing = FALSE;
|
| + layout = 0;
|
| +
|
| + schedule();
|
| +
|
| + //printf("\nfinished\n");
|
| +
|
| + /*printf("qpkt count = %d holdcount = %d\n",
|
| + qpktcount, holdcount);*/
|
| +
|
| + //printf("These results are ");
|
| + if (qpktcount == Qpktcountval && holdcount == Holdcountval) {
|
| + //printf("correct");
|
| + }
|
| + else {
|
| + printf("Richards results incorrect");
|
| + return 1;
|
| + }
|
| +
|
| + //printf("\nend of run\n");
|
| + return 0;
|
| +}
|
| +
|
| +int run_richards(int count)
|
| +{
|
| + switch(count) {
|
| + case 1000:
|
| + Count = Count_1k;
|
| + Qpktcountval = Qpktcountval_1k;
|
| + Holdcountval = Holdcountval_1k;
|
| + break;
|
| + case 10000:
|
| + Count = Count_10k;
|
| + Qpktcountval = Qpktcountval_10k;
|
| + Holdcountval = Holdcountval_10k;
|
| + break;
|
| + case 1000000:
|
| + Count = Count_1M;
|
| + Qpktcountval = Qpktcountval_1M;
|
| + Holdcountval = Holdcountval_1M;
|
| + break;
|
| + default:
|
| + Count = count;
|
| + printf("unknown count value for richards: benchmark will run but"
|
| + " will report failure");
|
| + break;
|
| + }
|
| + return richards();
|
| +}
|
|
|