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comparison src/share/vm/graal/graalCompiler.cpp @ 14172:cd22c8dbda4f

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Made graph caching compilation local
author Doug Simon <doug.simon@oracle.com>
date Thu, 13 Mar 2014 15:36:30 +0100
parents 7ad529321294
children 3e9a960f0da1
comparison
equal deleted inserted replaced
14171:8c0e92c8c45b 14172:cd22c8dbda4f
50 50
51 uintptr_t heap_end = (uintptr_t) Universe::heap()->reserved_region().end(); 51 uintptr_t heap_end = (uintptr_t) Universe::heap()->reserved_region().end();
52 uintptr_t allocation_end = heap_end + ((uintptr_t)16) * 1024 * 1024 * 1024; 52 uintptr_t allocation_end = heap_end + ((uintptr_t)16) * 1024 * 1024 * 1024;
53 AMD64_ONLY(guarantee(heap_end < allocation_end, "heap end too close to end of address space (might lead to erroneous TLAB allocations)")); 53 AMD64_ONLY(guarantee(heap_end < allocation_end, "heap end too close to end of address space (might lead to erroneous TLAB allocations)"));
54 NOT_LP64(error("check TLAB allocation code for address space conflicts")); 54 NOT_LP64(error("check TLAB allocation code for address space conflicts"));
55
56 _deopted_leaf_graph_count = 0;
57 55
58 BufferBlob* buffer_blob = initialize_buffer_blob(); 56 BufferBlob* buffer_blob = initialize_buffer_blob();
59 if (buffer_blob == NULL) { 57 if (buffer_blob == NULL) {
60 // If we are called from JNI_CreateJavaVM we cannot use set_state yet because it takes a lock. 58 // If we are called from JNI_CreateJavaVM we cannot use set_state yet because it takes a lock.
61 // set_state(failed); 59 // set_state(failed);
126 #endif 124 #endif
127 } 125 }
128 } 126 }
129 } 127 }
130 128
131 void GraalCompiler::deopt_leaf_graph(jlong leaf_graph_id) {
132 assert(leaf_graph_id != -1, "unexpected leaf graph id");
133
134 if (_deopted_leaf_graph_count < LEAF_GRAPH_ARRAY_SIZE) {
135 MutexLockerEx y(GraalDeoptLeafGraphIds_lock, Mutex::_no_safepoint_check_flag);
136 if (_deopted_leaf_graph_count < LEAF_GRAPH_ARRAY_SIZE) {
137 _deopted_leaf_graphs[_deopted_leaf_graph_count++] = leaf_graph_id;
138 }
139 }
140 }
141
142 oop GraalCompiler::dump_deopted_leaf_graphs(TRAPS) {
143 if (_deopted_leaf_graph_count == 0) {
144 return NULL;
145 }
146 jlong* elements;
147 int length;
148 {
149 MutexLockerEx y(GraalDeoptLeafGraphIds_lock, Mutex::_no_safepoint_check_flag);
150 if (_deopted_leaf_graph_count == 0) {
151 return NULL;
152 }
153 if (_deopted_leaf_graph_count == LEAF_GRAPH_ARRAY_SIZE) {
154 length = 0;
155 } else {
156 length = _deopted_leaf_graph_count;
157 }
158 elements = NEW_C_HEAP_ARRAY(jlong, length, mtCompiler);
159 for (int i = 0; i < length; i++) {
160 elements[i] = _deopted_leaf_graphs[i];
161 }
162 _deopted_leaf_graph_count = 0;
163 }
164 typeArrayOop array = oopFactory::new_longArray(length, CHECK_NULL);
165 for (int i = 0; i < length; i++) {
166 array->long_at_put(i, elements[i]);
167 }
168 FREE_C_HEAP_ARRAY(jlong, elements, mtCompiler);
169 return array;
170 }
171
172 BufferBlob* GraalCompiler::initialize_buffer_blob() { 129 BufferBlob* GraalCompiler::initialize_buffer_blob() {
173 JavaThread* THREAD = JavaThread::current(); 130 JavaThread* THREAD = JavaThread::current();
174 BufferBlob* buffer_blob = THREAD->get_buffer_blob(); 131 BufferBlob* buffer_blob = THREAD->get_buffer_blob();
175 if (buffer_blob == NULL) { 132 if (buffer_blob == NULL) {
176 buffer_blob = BufferBlob::create("Graal thread-local CodeBuffer", GraalNMethodSizeLimit); 133 buffer_blob = BufferBlob::create("Graal thread-local CodeBuffer", GraalNMethodSizeLimit);