JNIEXPORT jint JNICALL Java_mpi_MPI_InitThread_1jni(
JNIEnv *env, jclass clazz, jobjectArray argv, jint required)
{
jsize i;
int len = (*env)->GetArrayLength(env,argv);
char **sargs = (char**)calloc(len+1, sizeof(char*));
for(i = 0; i < len; i++)
{
jstring jc = (jstring)(*env)->GetObjectArrayElement(env, argv, i);
const char *s = (*env)->GetStringUTFChars(env, jc, 0);
sargs[i] = (char*)calloc(strlen(s) + 1, sizeof(char));
strcpy(sargs[i], s);
(*env)->ReleaseStringUTFChars(env, jc, s);
(*env)->DeleteLocalRef(env, jc);
}
int provided;
int rc = MPI_Init_thread(&len, &sargs, required, &provided);
ompi_java_exceptionCheck(env, rc);
findClasses(env);
initFreeList();
return provided;
}
void LinearScan::allocRegs(Trace* trace) {
if (RuntimeOption::EvalHHIREnableCoalescing) {
// <coalesce> doesn't need instruction numbering.
coalesce(trace);
}
numberInstructions(trace);
collectNatives(trace);
computePreColoringHint();
initFreeList();
allocRegsToTraceAux(trace);
// Renumber instructions, because we added spills and reloads.
numberInstructions(trace);
if (RuntimeOption::EvalHHIREnableRematerialization && m_slots.size() > 0) {
// Don't bother rematerializing the trace if it has no Spill/Reload.
if (RuntimeOption::EvalDumpIR > 5) {
std::cout << "--------- HHIR before rematerialization ---------\n";
trace->print(std::cout, false);
std::cout << "-------------------------------------------------\n";
}
rematerialize(trace);
}
// assignSpillLoc needs next natives in order to decide whether we
// can use MMX registers.
collectNatives(trace);
// Make sure rsp is 16-aligned.
uint32 numSpillLocs = assignSpillLoc(trace);
if (numSpillLocs % 2) {
++numSpillLocs;
}
assert(NumPreAllocatedSpillLocs % 2 == 0);
if (numSpillLocs > 0) {
preAllocSpillLoc(trace, numSpillLocs);
if (numSpillLocs > (uint32)NumPreAllocatedSpillLocs) {
/*
* We only insert AllocSpill and FreeSpill when the pre-allocated
* spill locations are not enough.
*
* AllocSpill and FreeSpill take the number of extra spill locations
* besides the pre-allocated ones.
*
* TODO(#2044051) AllocSpill/FreeSpill are currently disabled
* due to bugs.
*/
PUNT(LinearScan_AllocSpill);
insertAllocFreeSpill(trace, numSpillLocs - NumPreAllocatedSpillLocs);
}
}
numberInstructions(trace);
// record the live out register set at each instruction
LinearScan::computeLiveOutRegs(trace);
}
/* initialize a queue, return a pointer to the queue */
Queue *initQueue()
{
Queue* queue = (Queue *) malloc (sizeof (Queue));
queue->flist = initFreeList(sizeof(QNode));
// Allocate a dummy item
queue->front = queue->back = (QNode*) allocBlock (queue->flist);
queue->front->next = queue->front;
return queue;
}
static void
enlargeStablePtrTable(void)
{
nat old_SPT_size = SPT_size;
// 2nd and subsequent times
SPT_size *= 2;
stable_ptr_table =
stgReallocBytes(stable_ptr_table,
SPT_size * sizeof(snEntry),
"enlargeStablePtrTable");
initFreeList(stable_ptr_table + old_SPT_size, old_SPT_size, NULL);
}
void* kma_malloc(kma_size_t size)
{
if (!INIT) {
initFreeList();
INIT = TRUE;
}
size = roundUp(size);
if(diff(size) > 8) return NULL; //larger than 8192
void** entry = FREE_LIST_HEAD + diff(size);
if (*entry == NULL) { //allocate a new page and set the whole page same as size
return initNewPage(size, entry);
} else { //has free buffers
return getBuffer(size, entry);
}
}
JNIEXPORT jobjectArray JNICALL Java_mpi_MPI_Init_1jni(
JNIEnv *env, jclass clazz, jobjectArray argv)
{
jsize i;
jclass string;
jobject value;
int len = (*env)->GetArrayLength(env, argv);
char **sargs = (char**)calloc(len+1, sizeof(char*));
for(i = 0; i < len; i++)
{
jstring jc = (jstring)(*env)->GetObjectArrayElement(env, argv, i);
const char *s = (*env)->GetStringUTFChars(env, jc, NULL);
sargs[i] = strdup(s);
(*env)->ReleaseStringUTFChars(env, jc, s);
(*env)->DeleteLocalRef(env, jc);
}
int rc = MPI_Init(&len, &sargs);
ompi_java_exceptionCheck(env, rc);
mca_base_var_register("ompi", "mpi", "java", "eager",
"Java buffers eager size",
MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
OPAL_INFO_LVL_5,
MCA_BASE_VAR_SCOPE_READONLY,
&ompi_mpi_java_eager);
string = (*env)->FindClass(env, "java/lang/String");
value = (*env)->NewObjectArray(env, len, string, NULL);
for(i = 0; i < len; i++)
{
jstring jc = (*env)->NewStringUTF(env, sargs[i]);
(*env)->SetObjectArrayElement(env, value, i, jc);
(*env)->DeleteLocalRef(env, jc);
free (sargs[i]);
}
free (sargs);
findClasses(env);
initFreeList();
return value;
}
//PAGEBREAK: 32
// Set up first user process.
void
userinit(void)
{
struct proc *p;
extern char _binary_initcode_start[], _binary_initcode_size[];
#ifdef CS333_SCHEDULER
acquire(&ptable.lock);
initFreeList();
ptable.timeToReset = COUNT;
release(&ptable.lock);
#endif
p = allocproc();
initproc = p;
if((p->pgdir = setupkvm()) == 0)
panic("userinit: out of memory?");
inituvm(p->pgdir, _binary_initcode_start, (int)_binary_initcode_size);
p->sz = PGSIZE;
memset(p->tf, 0, sizeof(*p->tf));
p->tf->cs = (SEG_UCODE << 3) | DPL_USER;
p->tf->ds = (SEG_UDATA << 3) | DPL_USER;
p->tf->es = p->tf->ds;
p->tf->ss = p->tf->ds;
p->tf->eflags = FL_IF;
p->tf->esp = PGSIZE;
p->tf->eip = 0; // beginning of initcode.S
p->uid = USERID;
p->gid = GROUPID;
safestrcpy(p->name, "initcode", sizeof(p->name));
p->cwd = namei("/");
p->state = RUNNABLE;
#ifdef CS333_SCHEDULER
acquire(&ptable.lock);
int i;
for (i = 0; i < 3; ++i) {
ptable.readyList[i] = 0;
}
putOnReadyList(p, p->priority);
release(&ptable.lock);
#endif
}
void
initStablePtrTable(void)
{
if (SPT_size > 0)
return;
SPT_size = INIT_SPT_SIZE;
stable_ptr_table = stgMallocBytes(SPT_size * sizeof(snEntry),
"initStablePtrTable");
/* we don't use index 0 in the stable name table, because that
* would conflict with the hash table lookup operations which
* return NULL if an entry isn't found in the hash table.
*/
initFreeList(stable_ptr_table+1,INIT_SPT_SIZE-1,NULL);
addrToStableHash = allocHashTable();
#ifdef THREADED_RTS
initMutex(&stable_mutex);
#endif
}
//locates the first available block that is free and can fit the sizeT requested
void *findFirstFit(size_t sizeT)
{
size_t newSize;
struct block *current = head;
while(current != NULL)
{
if(current->isFree == true && current->size >= sizeT)
{
newSize = (current->size - sizeT);
current->size = sizeT;
current->isFree = false;
current->isLast = false;
current->next = initFreeList(newSize, current);
return current->memPtr;
}
current = current->next;
}
return NULL;
}
JNIEXPORT jobjectArray JNICALL Java_mpi_MPI_Init_1jni(
JNIEnv *env, jclass clazz, jobjectArray argv)
{
jsize i;
jclass string;
jobject value;
int len = (*env)->GetArrayLength(env, argv);
char **sargs = (char**)calloc(len+1, sizeof(char*));
for(i = 0; i < len; i++)
{
jstring jc = (jstring)(*env)->GetObjectArrayElement(env, argv, i);
const char *s = (*env)->GetStringUTFChars(env, jc, NULL);
sargs[i] = (char*)calloc(strlen(s) + 1, sizeof(char));
strcpy(sargs[i], s);
(*env)->ReleaseStringUTFChars(env, jc, s);
(*env)->DeleteLocalRef(env, jc);
}
int rc = MPI_Init(&len, &sargs);
ompi_java_exceptionCheck(env, rc);
string = (*env)->FindClass(env, "java/lang/String");
value = (*env)->NewObjectArray(env, len, string, NULL);
for(i = 0; i < len; i++)
{
jstring jc = (*env)->NewStringUTF(env, sargs[i]);
(*env)->SetObjectArrayElement(env, value, i, jc);
(*env)->DeleteLocalRef(env, jc);
}
findClasses(env);
initFreeList();
return value;
}
jint JNI_OnLoad(JavaVM *vm, void *reserved)
{
/* These are the equivalences between the Java and C types. */
if( sizeof(jbyte) != sizeof(char) ||
sizeof(jshort) != sizeof(int16_t) ||
sizeof(jint) != sizeof(int32_t) ||
sizeof(jlong) != sizeof(int64_t))
{
fprintf(stderr, "C types not match with Java.\n");
exit(1);
}
liboshmem = dlopen("liboshmem." OPAL_DYN_LIB_SUFFIX,
RTLD_NOW | RTLD_GLOBAL);
if(liboshmem == NULL)
{
fprintf(stderr, "Java bindings failed to load liboshmem: %s\n",dlerror());
exit(1);
}
initFreeList();
return JNI_VERSION_1_6;
}
///////////////////////////////////////////////////////////////////////////
// initialize the cluster list
///////////////////////////////////////////////////////////////////////////
void initClusterList()
{
theList = initFreeList(sizeof(clusterNode));
}
