void
shrd_ofld11(void) {
// Malloc shared memory using compiler intrinsic
#ifdef __INTEL_OFFLOAD
ptr = (_Cilk_shared int *) _Offload_shared_malloc(4);
#else
ptr = (int *) malloc(4);
#endif
// Initialize shared memory
_Cilk_offload init11();
// Check results
if (*ptr == 9)
printf("PASS shrd_ofld11\n");
else
printf("*** FAIL shrd_ofld11\n");
// Free shared memory
#ifdef __INTEL_OFFLOAD
_Offload_shared_free(ptr);
#else
free(ptr);
#endif
}
extern "C" void __intel_cilk_for_64_offload(
int size,
void (*copy_constructor)(void*, void*),
int target_number,
void *raddr,
void *closure_object,
uint64_t iters,
uint64_t grain_size)
{
OFFLOAD_DEBUG_TRACE(3, "%s\n", __func__);
target_number = __offload_myoIsAvailable(target_number);
if (target_number >= 0) {
struct S {
void *M1;
uint64_t M2;
uint64_t M3;
char closure[];
} *args;
args = (struct S*) _Offload_shared_malloc(sizeof(struct S) + size);
if (args == NULL)
LIBOFFLOAD_ERROR(c_malloc);
args->M1 = raddr;
args->M2 = iters;
args->M3 = grain_size;
if (copy_constructor == 0) {
memcpy(args->closure, closure_object, size);
}
else {
copy_constructor(args->closure, closure_object);
}
myo_wrapper.Release();
myo_wrapper.GetResult(
myo_wrapper.RemoteCall("__intel_cilk_for_64_offload", args,
target_number)
);
myo_wrapper.Acquire();
_Offload_shared_free(args);
ORSL::release(target_number);
}
else {
__cilkrts_cilk_for_64(raddr,
closure_object,
iters,
grain_size);
}
}
// 在mic上执行下面函数会报错
// CARD--ERROR:1 thread:3 myoArenaFree: It is not supported to free shared memory from the MIC side!
_Cilk_shared void cilk_sharedfree() {
int i;
share_pointer = (int *)_Offload_shared_malloc(sizeof(int) * n);
for(i = 0; i < n; i++) {
share_pointer[i] = i;
}
for(i = 0; i < n; i++) {
printf("cilk_sharedfree: share_pointer[%d] is %d\n", i, share_pointer[i]);
}
_Offload_shared_free(share_pointer);
}
int main() {
//_Cilk_offload cilk_malloc();
//_Cilk_offload cilk_sharedfree();
// 下面三条语句执行时会错误
//share_pointer =(int *) malloc(sizeof(int) * n);
//_Cilk_offload cilk_pointer();
//free(share_pointer);
// 下面三条语句可以正常执行
share_pointer = (int *) _Offload_shared_malloc(sizeof(int) * n);
_Cilk_offload cilk_pointer();
_Offload_shared_free(share_pointer);
return 0;
}
