1144 jio_fprintf(defaultStream::error_stream(),
1145 "Class data sharing is inconsistent with other specified options.\n");
1146 vm_exit_during_initialization("Unable to use shared archive.", message);
1147 } else {
1148 FLAG_SET_DEFAULT(UseSharedSpaces, false);
1149 }
1150 }
1151 #endif
1152
1153 void Arguments::set_tiered_flags() {
1154 // With tiered, set default policy to AdvancedThresholdPolicy, which is 3.
1155 if (FLAG_IS_DEFAULT(CompilationPolicyChoice)) {
1156 FLAG_SET_DEFAULT(CompilationPolicyChoice, 3);
1157 }
1158 if (CompilationPolicyChoice < 2) {
1159 vm_exit_during_initialization(
1160 "Incompatible compilation policy selected", NULL);
1161 }
1162 // Increase the code cache size - tiered compiles a lot more.
1163 if (FLAG_IS_DEFAULT(ReservedCodeCacheSize)) {
1164 FLAG_SET_DEFAULT(ReservedCodeCacheSize, ReservedCodeCacheSize * 5);
1165 }
1166 if (!UseInterpreter) { // -Xcomp
1167 Tier3InvokeNotifyFreqLog = 0;
1168 Tier4InvocationThreshold = 0;
1169 }
1170 }
1171
1172 /**
1173 * Returns the minimum number of compiler threads needed to run the JVM. The following
1174 * configurations are possible.
1175 *
1176 * 1) The JVM is build using an interpreter only. As a result, the minimum number of
1177 * compiler threads is 0.
1178 * 2) The JVM is build using the compiler(s) and tiered compilation is disabled. As
1179 * a result, either C1 or C2 is used, so the minimum number of compiler threads is 1.
1180 * 3) The JVM is build using the compiler(s) and tiered compilation is enabled. However,
1181 * the option "TieredStopAtLevel < CompLevel_full_optimization". As a result, only
1182 * C1 can be used, so the minimum number of compiler threads is 1.
1183 * 4) The JVM is build using the compilers and tiered compilation is enabled. The option
1184 * 'TieredStopAtLevel = CompLevel_full_optimization' (the default value). As a result,
|
1144 jio_fprintf(defaultStream::error_stream(),
1145 "Class data sharing is inconsistent with other specified options.\n");
1146 vm_exit_during_initialization("Unable to use shared archive.", message);
1147 } else {
1148 FLAG_SET_DEFAULT(UseSharedSpaces, false);
1149 }
1150 }
1151 #endif
1152
1153 void Arguments::set_tiered_flags() {
1154 // With tiered, set default policy to AdvancedThresholdPolicy, which is 3.
1155 if (FLAG_IS_DEFAULT(CompilationPolicyChoice)) {
1156 FLAG_SET_DEFAULT(CompilationPolicyChoice, 3);
1157 }
1158 if (CompilationPolicyChoice < 2) {
1159 vm_exit_during_initialization(
1160 "Incompatible compilation policy selected", NULL);
1161 }
1162 // Increase the code cache size - tiered compiles a lot more.
1163 if (FLAG_IS_DEFAULT(ReservedCodeCacheSize)) {
1164 #ifndef AARCH64
1165 FLAG_SET_DEFAULT(ReservedCodeCacheSize, ReservedCodeCacheSize * 5);
1166 #else
1167 FLAG_SET_DEFAULT(ReservedCodeCacheSize,
1168 MIN2(CODE_CACHE_DEFAULT_LIMIT, ReservedCodeCacheSize * 5));
1169 #endif
1170 }
1171 if (!UseInterpreter) { // -Xcomp
1172 Tier3InvokeNotifyFreqLog = 0;
1173 Tier4InvocationThreshold = 0;
1174 }
1175 }
1176
1177 /**
1178 * Returns the minimum number of compiler threads needed to run the JVM. The following
1179 * configurations are possible.
1180 *
1181 * 1) The JVM is build using an interpreter only. As a result, the minimum number of
1182 * compiler threads is 0.
1183 * 2) The JVM is build using the compiler(s) and tiered compilation is disabled. As
1184 * a result, either C1 or C2 is used, so the minimum number of compiler threads is 1.
1185 * 3) The JVM is build using the compiler(s) and tiered compilation is enabled. However,
1186 * the option "TieredStopAtLevel < CompLevel_full_optimization". As a result, only
1187 * C1 can be used, so the minimum number of compiler threads is 1.
1188 * 4) The JVM is build using the compilers and tiered compilation is enabled. The option
1189 * 'TieredStopAtLevel = CompLevel_full_optimization' (the default value). As a result,
|