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comparison src/share/vm/classfile/classLoader.cpp @ 1783:d5d065957597

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6953144: Tiered compilation Summary: Infrastructure for tiered compilation support (interpreter + c1 + c2) for 32 and 64 bit. Simple tiered policy implementation. Reviewed-by: kvn, never, phh, twisti
author iveresov
date Fri, 03 Sep 2010 17:51:07 -0700
parents 2a47bd84841f
children 2d26b0046e0d f95d63e2154a
comparison
equal deleted inserted replaced
1782:f353275af40e 1783:d5d065957597
1290 tty->print_cr("CompileTheWorld (%d) : %s", _compile_the_world_counter, buffer); 1290 tty->print_cr("CompileTheWorld (%d) : %s", _compile_the_world_counter, buffer);
1291 // Preload all classes to get around uncommon traps 1291 // Preload all classes to get around uncommon traps
1292 // Iterate over all methods in class 1292 // Iterate over all methods in class
1293 for (int n = 0; n < k->methods()->length(); n++) { 1293 for (int n = 0; n < k->methods()->length(); n++) {
1294 methodHandle m (THREAD, methodOop(k->methods()->obj_at(n))); 1294 methodHandle m (THREAD, methodOop(k->methods()->obj_at(n)));
1295 if (CompilationPolicy::canBeCompiled(m)) { 1295 if (CompilationPolicy::can_be_compiled(m)) {
1296 1296
1297 if (++_codecache_sweep_counter == CompileTheWorldSafepointInterval) { 1297 if (++_codecache_sweep_counter == CompileTheWorldSafepointInterval) {
1298 // Give sweeper a chance to keep up with CTW 1298 // Give sweeper a chance to keep up with CTW
1299 VM_ForceSafepoint op; 1299 VM_ForceSafepoint op;
1300 VMThread::execute(&op); 1300 VMThread::execute(&op);
1301 _codecache_sweep_counter = 0; 1301 _codecache_sweep_counter = 0;
1302 } 1302 }
1303 // Force compilation 1303 // Force compilation
1304 CompileBroker::compile_method(m, InvocationEntryBci, 1304 CompileBroker::compile_method(m, InvocationEntryBci, CompLevel_initial_compile,
1305 methodHandle(), 0, "CTW", THREAD); 1305 methodHandle(), 0, "CTW", THREAD);
1306 if (HAS_PENDING_EXCEPTION) { 1306 if (HAS_PENDING_EXCEPTION) {
1307 CLEAR_PENDING_EXCEPTION; 1307 CLEAR_PENDING_EXCEPTION;
1308 tty->print_cr("CompileTheWorld (%d) : Skipping method: %s", _compile_the_world_counter, m->name()->as_C_string()); 1308 tty->print_cr("CompileTheWorld (%d) : Skipping method: %s", _compile_the_world_counter, m->name()->as_C_string());
1309 } 1309 }
1313 if (nm != NULL) { 1313 if (nm != NULL) {
1314 // Throw out the code so that the code cache doesn't fill up 1314 // Throw out the code so that the code cache doesn't fill up
1315 nm->make_not_entrant(); 1315 nm->make_not_entrant();
1316 m->clear_code(); 1316 m->clear_code();
1317 } 1317 }
1318 CompileBroker::compile_method(m, InvocationEntryBci, 1318 CompileBroker::compile_method(m, InvocationEntryBci, CompLevel_full_optimization,
1319 methodHandle(), 0, "CTW", THREAD); 1319 methodHandle(), 0, "CTW", THREAD);
1320 if (HAS_PENDING_EXCEPTION) { 1320 if (HAS_PENDING_EXCEPTION) {
1321 CLEAR_PENDING_EXCEPTION; 1321 CLEAR_PENDING_EXCEPTION;
1322 tty->print_cr("CompileTheWorld (%d) : Skipping method: %s", _compile_the_world_counter, m->name()->as_C_string()); 1322 tty->print_cr("CompileTheWorld (%d) : Skipping method: %s", _compile_the_world_counter, m->name()->as_C_string());
1323 } 1323 }