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[/] [an-fpga-implementation-of-low-latency-noc-based-mpsoc/] [trunk/] [mpsoc/] [src_verilator/] [traffic_synthetic.h] - Blame information for rev 48

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1 43 alirezamon 
#ifndef TRAFFIC_SYNTHETIC_H
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#define TRAFFIC_SYNTHETIC_H
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#define INJECT_OFF -1
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7 48 alirezamon 
//#include "topology.h"
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extern int TRAFFIC_TYPE;
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extern int HOTSPOT_NUM;
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extern char * TRAFFIC;
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extern unsigned char  NEw;
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int custom_traffic_table[NE];
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typedef struct HOTSPOT_NODE {
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        int  ip_num;
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        char send_enable;
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        int  percentage; // x10
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} hotspot_st;
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hotspot_st * hotspots;
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unsigned int pck_dst_gen_1D (unsigned int);
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// number, b:bit location  W: number width log2(num)
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int getBit(int num, int b, int W)
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{
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        while(b<0) b+=W;
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        b%=W;
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        return (num >> b) & 0x1;
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}
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// number; b:bit location;  W: number width log2(num); v: 1 assert the bit, 0 deassert the bit;
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void setBit(int *num, int b,   int W, int v)
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{
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    while(b<0) b+=W;
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        b%=W;
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    int mask = 1 << b;
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    //printf("b=%d\n", b);
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        if (v == 0)*num  = *num & ~mask; // assert bit
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    else *num = *num | mask; // deassert bit
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}
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unsigned int get_rnd_ip (unsigned int core_num){
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        unsigned int rnd=rand()%NE;
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        if(IS_SELF_LOOP_EN) return rnd;
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        //make sure its not same as sender core
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        while (rnd==core_num)   rnd=rand()%NE;
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        return rnd;
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}
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56 48 alirezamon 
#if (defined (IS_MESH) || defined (IS_TORUS) || defined (IS_LINE) || defined (IS_RING) )
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unsigned int pck_dst_gen_2D (unsigned int core_num){
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        //for mesh-tori
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        unsigned int current_l,current_x, current_y;
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        unsigned int dest_l,dest_x,dest_y;
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        mesh_tori_addrencod_sep(core_num,&current_x,&current_y,&current_l);
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        unsigned int rnd=0;
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        unsigned int rnd100=0;
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        unsigned int max_percent=100/HOTSPOT_NUM;
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        int i;
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69 
        if((strcmp (TRAFFIC,"RANDOM")==0) || (strcmp (TRAFFIC,"random")==0)){
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                //get a random IP core
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            return endp_addr_encoder(get_rnd_ip(core_num));
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        }
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        if ((strcmp(TRAFFIC,"HOTSPOT")==0) || (strcmp (TRAFFIC,"hot spot")==0)){
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                unsigned int rnd1000=0;
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                rnd=get_rnd_ip(core_num);
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                rnd1000=rand()%1000; // generate a random number between 0 & 1000
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                for (i=0;i<HOTSPOT_NUM; i++){
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                        if ( hotspots[i].send_enable == 0 && core_num ==hotspots[i].ip_num){
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                                //rnd = core_num; // turn off the core
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                                //return endp_addr_encoder(rnd);
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                                return INJECT_OFF;
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                        }
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                }
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                for (i=0;i<HOTSPOT_NUM; i++){
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                        if (rnd1000 < hotspots[i].percentage && core_num !=hotspots[i].ip_num) {
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                                rnd = hotspots[i].ip_num;
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                                return endp_addr_encoder(rnd);
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                        }
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                }
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                return endp_addr_encoder(rnd);
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        }
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95 
        if(( strcmp(TRAFFIC ,"TRANSPOSE1")==0)|| (strcmp (TRAFFIC,"transposed 1")==0)){
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                 dest_x = T1-current_y-1;
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                 dest_y = T2-current_x-1;
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                 dest_l = T3-current_l-1;
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                 return mesh_tori_addr_join(dest_x,dest_y,dest_l);
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        }
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        if(( strcmp(TRAFFIC ,"TRANSPOSE2")==0)|| (strcmp (TRAFFIC,"transposed 2")==0)){
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                dest_x = current_y;
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                dest_y = current_x;
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                dest_l = current_l;
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                return mesh_tori_addr_join(dest_x,dest_y,dest_l);
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        }
108 
 
109 
        if(( strcmp(TRAFFIC ,"BIT_REVERSE")==0)|| (strcmp (TRAFFIC,"bit reverse")==0)){
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                //di = sb−i−1
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                int tmp=0;
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                for(i=0; i< NEw; i++)  setBit(&tmp , i, NEw, getBit(core_num, NEw-i-1, NEw));
113 
                return endp_addr_encoder(tmp);
114 
        }
115 
 
116 
        if(( strcmp(TRAFFIC ,"BIT_COMPLEMENT") ==0)|| (strcmp (TRAFFIC,"bit complement")==0)){
117 
                int tmp=0;
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                for(i=0; i< NEw; i++)  setBit(&tmp , i, NEw, getBit(core_num, i, NEw)==0);
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                return endp_addr_encoder(tmp);
120 
        }
121 
 
122 
        if(( strcmp(TRAFFIC ,"TORNADO") == 0)|| (strcmp (TRAFFIC,"tornado")==0)){
123 
                //[(x+(k/2-1)) mod k, (y+(k/2-1)) mod k],
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                        dest_x = ((current_x + ((T1/2)-1))%T1);
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                        dest_y = ((current_y + ((T2/2)-1))%T2);
126 
                        dest_l = current_l;
127 
                        return mesh_tori_addr_join(dest_x,dest_y,dest_l);
128 
     }
129 
 
130 
    if(( strcmp(TRAFFIC ,"SHUFFLE") == 0)|| (strcmp (TRAFFIC,"shuffle")==0)){
131 
                //di = si−1 mod b
132 
                int tmp=0;
133 
                for(i=0; i< NEw; i++)  setBit(&tmp , i, NEw, getBit(core_num, i-1, NEw));
134 
                return endp_addr_encoder(tmp);
135 
     }
136 
 
137 
    if(( strcmp(TRAFFIC ,"BIT_ROTATION") == 0)|| (strcmp (TRAFFIC,"bit rotation")==0)){
138 
                //di = si+1 mod b
139 
                int tmp=0;
140 
                for(i=0; i< NEw; i++)  setBit(&tmp , i, NEw, getBit(core_num, i+1, NEw));
141 
                return endp_addr_encoder(tmp);
142 
     }
143 
 
144 
    if(( strcmp(TRAFFIC ,"NEIGHBOR") == 0)|| (strcmp (TRAFFIC,"neighbor")==0)){
145 
                //dx = sx + 1 mod k
146 
                 dest_x = (current_x + 1)%T1;
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                 dest_y = (current_y + 1)%T2;
148 
                 dest_l = current_l;
149 
                 return mesh_tori_addr_join(dest_x,dest_y,dest_l);
150 
     }
151 
 
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     if(( strcmp(TRAFFIC ,"CUSTOM") == 0)|| (strcmp (TRAFFIC,"custom")==0)){
153 
         if (custom_traffic_table[core_num]== INJECT_OFF) return INJECT_OFF;
154 
                 return endp_addr_encoder(custom_traffic_table[core_num]);
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156 
     }
157 
 
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         fprintf (stderr,"ERROR: traffic %s is an unsupported traffic pattern\n",TRAFFIC);
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         return INJECT_OFF;
160 
 
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}
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#else
164 43 alirezamon 
 
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        unsigned int pck_dst_gen_2D (unsigned int core_num){
166 
                return pck_dst_gen_1D (core_num);
167 
        }
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169 48 alirezamon 
#endif
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172 43 alirezamon 
unsigned int pck_dst_gen_1D (unsigned int core_num){
173 
 
174 
        unsigned int rnd=0;
175 
        unsigned int rnd100=0;
176 
        unsigned int max_percent=100/HOTSPOT_NUM;
177 
        int i;
178 
 
179 
 
180 
        if((strcmp (TRAFFIC,"RANDOM")==0) || (strcmp (TRAFFIC,"random")==0)){
181 48 alirezamon 
                 return endp_addr_encoder(get_rnd_ip(core_num));
182 43 alirezamon 
        }
183 
 
184 
        if ((strcmp(TRAFFIC,"HOTSPOT")==0) || (strcmp (TRAFFIC,"hot spot")==0)){
185 
                unsigned int rnd1000=0;
186 
                int i;
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                rnd=get_rnd_ip(core_num);
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                rnd1000=rand()%1000; // generate a random number between 0 & 1000
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                for (i=0;i<HOTSPOT_NUM; i++){
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                        if ( hotspots[i].send_enable == 0 && core_num ==hotspots[i].ip_num){
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192 
                                return INJECT_OFF;
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                        }
194 
                }
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196 
                for (i=0;i<HOTSPOT_NUM; i++){
197 
                        if (rnd1000 < hotspots[i].percentage && core_num !=hotspots[i].ip_num) {
198 
                                rnd = hotspots[i].ip_num;
199 
                                return endp_addr_encoder(rnd % NE );
200 
                        }
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                }
202 
                return endp_addr_encoder(rnd % NE );
203 
        }
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205 
 
206 
        if(( strcmp(TRAFFIC ,"TRANSPOSE1")==0)|| (strcmp (TRAFFIC,"transposed 1")==0)){
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                  return endp_addr_encoder(NE-core_num-1);
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        }
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        if(( strcmp(TRAFFIC ,"TRANSPOSE2")==0)|| (strcmp (TRAFFIC,"transposed 2")==0)){
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                 return endp_addr_encoder(NE-core_num-1);
211 
        }
212 
 
213 
        if(( strcmp(TRAFFIC ,"BIT_REVERSE")==0)|| (strcmp (TRAFFIC,"bit reverse")==0)){
214 
                int tmp=0;
215 
                for(i=0; i< NEw; i++)  setBit(&tmp , i, NEw, getBit(core_num, NEw-i-1, NEw));
216 
                return endp_addr_encoder(tmp);
217 
         }
218 
 
219 
         if(( strcmp(TRAFFIC ,"BIT_COMPLEMENT") ==0)|| (strcmp (TRAFFIC,"bit complement")==0)){
220 
                 int tmp=0;
221 
                 for(i=0; i< NEw; i++)  setBit(&tmp , i, NEw, getBit(core_num, i, NEw)==0);
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                 return endp_addr_encoder(tmp%NE);
223 
         }
224 
 
225 
         if(( strcmp(TRAFFIC ,"TORNADO") == 0)|| (strcmp (TRAFFIC,"tornado")==0)){
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                //[(x+(k/2-1)) mod k, (y+(k/2-1)) mod k],
227 
                 return endp_addr_encoder((core_num + ((NE/2)-1))%NE);
228 
     }
229 
 
230 
     if(( strcmp(TRAFFIC ,"SHUFFLE") == 0)|| (strcmp (TRAFFIC,"shuffle")==0)){
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                //di = si−1 mod b
232 
                int tmp=0;
233 
                for(i=0; i< NEw; i++)  setBit(&tmp , i, NEw, getBit(core_num, i-1, NEw));
234 
                return endp_addr_encoder(tmp%NE);
235 
         }
236 
 
237 
     if(( strcmp(TRAFFIC ,"BIT_ROTATION") == 0)|| (strcmp (TRAFFIC,"bit rotation")==0)){
238 
                //di = si+1 mod b
239 
                int tmp=0;
240 
                for(i=0; i< NEw; i++)  setBit(&tmp , i, NEw, getBit(core_num, i+1, NEw));
241 
                return endp_addr_encoder(tmp%NE);
242 
 
243 
     }
244 
 
245 
     if(( strcmp(TRAFFIC ,"NEIGHBOR") == 0)|| (strcmp (TRAFFIC,"neighbor")==0)){
246 
                //dx = sx + 1 mod k
247 
         return endp_addr_encoder((core_num + 1)%NE);
248 
         }
249 
 
250 48 alirezamon 
     if(( strcmp(TRAFFIC ,"CUSTOM") == 0)|| (strcmp (TRAFFIC,"custom")==0)){
251 
         if (custom_traffic_table[core_num]== INJECT_OFF) return INJECT_OFF;
252 
         return endp_addr_encoder(custom_traffic_table[core_num]);
253 43 alirezamon 
 
254 48 alirezamon 
     }
255 
 
256 
     fprintf (stderr,"ERROR: traffic %s is an unsupported traffic pattern\n",TRAFFIC);
257 
         return  INJECT_OFF;
258 43 alirezamon 
}
259 
 
260 
 
261 
unsigned int rnd_between (unsigned int a, unsigned int b){
262 
        unsigned int rnd,diff,min;
263 
        if(a==b) return a;
264 
        diff= (a<b) ?  b-a+1 : a-b+1;
265 
        min= (a<b) ?  a : b;
266 
        rnd = (rand() % diff) +  min;
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        return rnd;
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}
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#endif

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