int numenterflags);
#ifdef MULTICORE_GC
+#ifdef SMEMF
+#ifdef GC_1
+int core2test[1][5] = {
+ {0, -1, -1, -1, -1}
+};
+#elif defined GC_56
+int core2test[56][5] = {
+ { 0, -1, 7, -1, 1}, { 1, -1, 8, 0, 2}, { 2, -1, 9, 1, 3},
+ { 3, -1, 10, 2, 4}, { 4, -1, 11, 3, 5}, { 5, -1, 12, 4, 6},
+ { 6, -1, 13, 5, -1}, { 7, 0, 14, -1, 8}, { 8, 1, 15, 7, 9},
+ { 9, 2, 16, 8, 10}, {10, 3, 17, 9, 11}, {11, 4, 18, 10, 12},
+ {12, 5, 19, 11, 13}, {13, 6, 20, 12, -1}, {14, 7, 21, -1, 15},
+ {15, 8, 22, 14, 16}, {16, 9, 23, 15, 17}, {17, 10, 24, 16, 18},
+ {18, 11, 25, 17, 19}, {19, 12, 26, 18, 20}, {20, 13, 27, 19, -1},
+ {21, 14, 28, -1, 22}, {22, 15, 29, 21, 23}, {23, 16, 30, 22, 24},
+ {24, 17, 31, 23, 25}, {25, 18, 32, 24, 26}, {26, 19, 33, 25, 27},
+ {27, 20, 34, 26, -1}, {28, 21, 35, -1, 29}, {29, 22, 36, 28, 30},
+ {30, 23, 37, 29, 31}, {31, 24, 38, 30, 32}, {32, 25, 39, 31, 33},
+ {33, 26, 40, 32, 34}, {34, 27, 41, 33, -1}, {35, 28, 42, -1, 36},
+ {36, 29, 43, 35, 37}, {37, 30, 44, 36, 38}, {38, 31, 45, 37, 39},
+ {39, 32, 46, 38, 40}, {40, 33, 47, 39, 41}, {41, 34, 48, 40, -1},
+ {42, 35, 49, -1, 43}, {43, 36, 50, 42, 44}, {44, 37, 51, 43, 45},
+ {45, 38, 52, 44, 46}, {46, 39, 53, 45, 47}, {47, 40, 54, 46, 48},
+ {48, 41, 55, 47, -1}, {49, 42, -1, -1, 50}, {50, 43, -1, 49, 51},
+ {51, 44, -1, 50, 52}, {52, 45, -1, 51, 53}, {53, 46, -1, 52, 54},
+ {54, 47, -1, 53, 55}, {55, 48, -1, 54, -1}
+};
+#elif defined GC_62
+int core2test[62][5] = {
+ { 0, -1, 6, -1, 1}, { 1, -1, 7, 0, 2}, { 2, -1, 8, 1, 3},
+ { 3, -1, 9, 2, 4}, { 4, -1, 10, 3, 5}, { 5, -1, 11, 4, -1},
+ { 6, 0, 14, -1, 7}, { 7, 1, 15, 6, 8}, { 8, 2, 16, 7, 9},
+ { 9, 3, 17, 8, 10}, {10, 4, 18, 9, 11}, {11, 5, 19, 10, 12},
+ {12, -1, 20, 11, 13}, {13, -1, 21, 12, -1}, {14, 6, 22, -1, 15},
+ {15, 7, 23, 14, 16}, {16, 8, 24, 15, 17}, {17, 9, 25, 16, 18},
+ {18, 10, 26, 17, 19}, {19, 11, 27, 18, 20}, {20, 12, 28, 19, 21},
+ {21, 13, 29, 28, -1}, {22, 14, 30, -1, 23}, {23, 15, 31, 22, 24},
+ {24, 16, 32, 23, 25}, {25, 17, 33, 24, 26}, {26, 18, 34, 25, 27},
+ {27, 19, 35, 26, 28}, {28, 20, 36, 27, 29}, {29, 21, 37, 28, -1},
+ {30, 22, 38, -1, 31}, {31, 23, 39, 30, 32}, {32, 24, 40, 31, 33},
+ {33, 25, 41, 32, 34}, {34, 26, 42, 33, 35}, {35, 27, 43, 34, 36},
+ {36, 28, 44, 35, 37}, {37, 29, 45, 36, -1}, {38, 30, 46, -1, 39},
+ {39, 31, 47, 38, 40}, {40, 32, 48, 39, 41}, {41, 33, 49, 40, 42},
+ {42, 34, 50, 41, 43}, {43, 35, 51, 42, 44}, {44, 36, 52, 43, 45},
+ {45, 37, 53, 44, -1}, {46, 38, 54, -1, 47}, {47, 39, 55, 46, 48},
+ {48, 40, 56, 47, 49}, {49, 41, 57, 48, 50}, {50, 42, 58, 49, 51},
+ {51, 43, 59, 50, 52}, {52, 44, 60, 51, 53}, {53, 45, 61, 52, -1},
+ {54, 46, -1, -1, 55}, {55, 47, -1, 54, 56}, {56, 48, -1, 55, 57},
+ {57, 49, -1, 56, 59}, {58, 50, -1, 57, 59}, {59, 51, -1, 58, 60},
+ {60, 52, -1, 59, 61}, {61, 53, -1, 60, -1}
+};
+#endif // GC_1
+#elif defined SMEMM
+#endif
+
inline __attribute__((always_inline))
void setupsmemmode(void) {
#ifdef SMEML
+ // Only allocate local mem chunks to each core.
+ // If a core has used up its local shared memory, start gc.
bamboo_smem_mode = SMEMLOCAL;
#elif defined SMEMF
+ // Allocate the local shared memory to each core with the highest priority,
+ // if a core has used up its local shared memory, try to allocate the
+ // shared memory that belong to its neighbours, if also failed, start gc.
bamboo_smem_mode = SMEMFIXED;
#elif defined SMEMM
+ // Allocate the local shared memory to each core with the highest priority,
+ // if a core has used up its local shared memory, try to allocate the
+ // shared memory that belong to its neighbours first, if failed, allocate
+ // the shared memory globally. If all the shared memory has been used up,
+ // start gc.
bamboo_smem_mode = SMEMMIXED;
#elif defined SMEMG
+ // Allocate all the memory chunks globally, do not consider the host cores
+ // When all the shared memory are used up, start gc.
bamboo_smem_mode = SMEMGLOBAL;
#else
// defaultly using local mode
//bamboo_smem_mode = SMEMLOCAL;
- bamboo_smem_mode = SMEMGLOBAL;
+ //bamboo_smem_mode = SMEMGLOBAL;
+ //bamboo_smem_mode = SMEMFIXED;
#endif
} // void setupsmemmode(void)
#endif
#endif
#ifdef MULTICORE_GC
+// Only allocate local mem chunks to each core.
+// If a core has used up its local shared memory, start gc.
void * localmalloc_I(int coren,
int isize,
int * allocsize) {
bool tocheck = true;
// have some space in the block
if(totest == tofindb) {
- // the first partition
- size = bound - nsize;
+ // the first partition
+ size = bound - nsize;
} else if(nsize == 0) {
- // an empty partition, can be appended
- size += bound;
+ // an empty partition, can be appended
+ size += bound;
} else {
- // not an empty partition, can not be appended
- // the last continuous block is not big enough, go to check the next
- // local block
- islocal = true;
- tocheck = false;
- } // if(totest == tofindb) else if(nsize == 0) else ...
+ // not an empty partition, can not be appended
+ // the last continuous block is not big enough, go to check the next
+ // local block
+ islocal = true;
+ tocheck = false;
+ } // if(totest == tofindb) else if(nsize == 0) else ...
if(tocheck) {
- if(size >= isize) {
- // have enough space in the block, malloc
- foundsmem = 1;
- break;
- } else {
- // no enough space yet, try to append next continuous block
- islocal = false;
- } // if(size > isize) else ...
- } // if(tocheck)
- } // if(nsize < bound)
+ if(size >= isize) {
+ // have enough space in the block, malloc
+ foundsmem = 1;
+ break;
+ } else {
+ // no enough space yet, try to append next continuous block
+ islocal = false;
+ } // if(size > isize) else ...
+ } // if(tocheck)
+ } // if(nsize < bound)
if(islocal) {
// no space in the block, go to check the next block
i++;
if(2==i) {
- i = 0;
- j++;
+ i = 0;
+ j++;
}
tofindb = totest = gc_core2block[2*coren+i]+(NUMCORES4GC*2)*j;
} else {
totest += 1;
- } // if(islocal) else ...
+ } // if(islocal) else ...
if(totest > gcnumblock-1-bamboo_reserved_smem) {
// no more local mem, do not find suitable block
foundsmem = 2;
break;
- } // if(totest > gcnumblock-1-bamboo_reserved_smem) ...
+ } // if(totest > gcnumblock-1-bamboo_reserved_smem) ...
} while(true);
if(foundsmem == 1) {
return mem;
} // void * localmalloc_I(int, int, int *)
+// Allocate the local shared memory to each core with the highest priority,
+// if a core has used up its local shared memory, try to allocate the
+// shared memory that belong to its neighbours, if also failed, start gc.
+void * fixedmalloc_I(int coren,
+ int isize,
+ int * allocsize) {
+ void * mem = NULL;
+ int i = 0;
+ int j = 0;
+ int k = 0;
+ //int core2test[5]={coren,-1,-1,-1,-1};//(x,y),(x-1,y),(x+1,y),(x,y-1),(x,y+1)
+ int coords_x = bamboo_cpu2coords[coren*2];
+ int coords_y = bamboo_cpu2coords[coren*2+1];
+ int ii = 1;
+ /*if(coords_x != 0) {
+ core2test[ii++] = bamboo_coords2cpu[coords_x-1][coords_y];
+ }
+ if(coords_x != 7) {
+ core2test[ii++] = bamboo_coords2cpu[coords_x+1][coords_y];
+ }
+ if(coords_y != 0) {
+ core2test[ii++] = bamboo_coords2cpu[coords_x][coords_y-1];
+ }
+ if(coords_y != 7) {
+ core2test[ii++] = bamboo_coords2cpu[coords_x][coords_y+1];
+ }*/
+ int tofindb = gc_core2block[2*core2test[coren][k]+i]+(NUMCORES4GC*2)*j;
+ int totest = tofindb;
+ int bound = BAMBOO_SMEM_SIZE_L;
+ int foundsmem = 0;
+ int size = 0;
+ do {
+ bound = (totest < NUMCORES4GC) ? BAMBOO_SMEM_SIZE_L : BAMBOO_SMEM_SIZE;
+ int nsize = bamboo_smemtbl[totest];
+ bool islocal = true;
+ if(nsize < bound) {
+ bool tocheck = true;
+ // have some space in the block
+ if(totest == tofindb) {
+ // the first partition
+ size = bound - nsize;
+ } else if(nsize == 0) {
+ // an empty partition, can be appended
+ size += bound;
+ } else {
+ // not an empty partition, can not be appended
+ // the last continuous block is not big enough, go to check the next
+ // local block
+ islocal = true;
+ tocheck = false;
+ } // if(totest == tofindb) else if(nsize == 0) else ...
+ if(tocheck) {
+ if(size >= isize) {
+ // have enough space in the block, malloc
+ foundsmem = 1;
+ break;
+ } else {
+ // no enough space yet, try to append next continuous block
+ // TODO may consider to go to next local block?
+ islocal = false;
+ } // if(size > isize) else ...
+ } // if(tocheck)
+ } // if(nsize < bound)
+ if(islocal) {
+ // no space in the block, go to check the next block
+ i++;
+ if(2==i) {
+ i = 0;
+ j++;
+ }
+ tofindb=totest=gc_core2block[2*core2test[coren][k]+i]+(NUMCORES4GC*2)*j;
+ } else {
+ totest += 1;
+ } // if(islocal) else ...
+ if(totest > gcnumblock-1-bamboo_reserved_smem) {
+ // no more local mem, do not find suitable block on local mem
+ // try to malloc shared memory assigned to the neighbour cores
+ do{
+ k++;
+ if(k > 4) {
+ // no more memory available on either coren or its neighbour cores
+ foundsmem = 2;
+ goto memsearchresult;
+ }
+ } while(core2test[coren][k] == -1);
+ i = 0;
+ j = 0;
+ tofindb=totest=gc_core2block[2*core2test[coren][k]+i]+(NUMCORES4GC*2)*j;
+ } // if(totest > gcnumblock-1-bamboo_reserved_smem) ...
+ } while(true);
+
+memsearchresult:
+ if(foundsmem == 1) {
+ // find suitable block
+ mem = gcbaseva+bamboo_smemtbl[tofindb]+((tofindb<NUMCORES4GC) ?
+ (BAMBOO_SMEM_SIZE_L*tofindb) : (BAMBOO_LARGE_SMEM_BOUND+
+ (tofindb-NUMCORES4GC)*BAMBOO_SMEM_SIZE));
+ *allocsize = size;
+ // set bamboo_smemtbl
+ for(i = tofindb; i <= totest; i++) {
+ bamboo_smemtbl[i]=(i<NUMCORES4GC)?BAMBOO_SMEM_SIZE_L:BAMBOO_SMEM_SIZE;
+ }
+ } else if(foundsmem == 2) {
+ // no suitable block
+ *allocsize = 0;
+ }
+
+ return mem;
+} // void * fixedmalloc_I(int, int, int *)
+
+// Allocate all the memory chunks globally, do not consider the host cores
+// When all the shared memory are used up, start gc.
void * globalmalloc_I(int coren,
int isize,
int * allocsize) {
int foundsmem = 0;
int size = 0;
if(tofindb > gcnumblock-1-bamboo_reserved_smem) {
+ // Out of shared memory
*allocsize = 0;
return NULL;
}
case SMEMFIXED: {
// TODO not supported yet
- BAMBOO_EXIT(0xe001);
+ //BAMBOO_EXIT(0xe001);
+ mem = fixedmalloc_I(coren, isize, allocsize);
break;
}
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