182 // max(log2(8)-1,1) = 2 compiler threads on an 8-way machine.
183 // May help big-app startup time.
184 _compiler_count = MAX2(log2_intptr(os::active_processor_count())-1,1);
185 } else {
186 _compiler_count = CICompilerCount;
187 }
188 }
189
190 // Note: this policy is used ONLY if TieredCompilation is off.
191 // compiler_count() behaves the following way:
192 // - with TIERED build (with both COMPILER1 and COMPILER2 defined) it should return
193 // zero for the c1 compilation levels, hence the particular ordering of the
194 // statements.
195 // - the same should happen when COMPILER2 is defined and COMPILER1 is not
196 // (server build without TIERED defined).
197 // - if only COMPILER1 is defined (client build), zero should be returned for
198 // the c2 level.
199 // - if neither is defined - always return zero.
200 int NonTieredCompPolicy::compiler_count(CompLevel comp_level) {
201 assert(!TieredCompilation, "This policy should not be used with TieredCompilation");
202 #ifdef COMPILER2
203 if (is_c2_compile(comp_level)) {
204 return _compiler_count;
205 } else {
206 return 0;
207 }
208 #endif
209
210 #ifdef COMPILER1
211 if (is_c1_compile(comp_level)) {
212 return _compiler_count;
213 } else {
214 return 0;
215 }
216 #endif
217
218 return 0;
219 }
220
221 void NonTieredCompPolicy::reset_counter_for_invocation_event(methodHandle m) {
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182 // max(log2(8)-1,1) = 2 compiler threads on an 8-way machine.
183 // May help big-app startup time.
184 _compiler_count = MAX2(log2_intptr(os::active_processor_count())-1,1);
185 } else {
186 _compiler_count = CICompilerCount;
187 }
188 }
189
190 // Note: this policy is used ONLY if TieredCompilation is off.
191 // compiler_count() behaves the following way:
192 // - with TIERED build (with both COMPILER1 and COMPILER2 defined) it should return
193 // zero for the c1 compilation levels, hence the particular ordering of the
194 // statements.
195 // - the same should happen when COMPILER2 is defined and COMPILER1 is not
196 // (server build without TIERED defined).
197 // - if only COMPILER1 is defined (client build), zero should be returned for
198 // the c2 level.
199 // - if neither is defined - always return zero.
200 int NonTieredCompPolicy::compiler_count(CompLevel comp_level) {
201 assert(!TieredCompilation, "This policy should not be used with TieredCompilation");
202 // No need for compiler threads if the VM is started with -Xint
203 if (Arguments::mode() == Arguments::_int) {
204 return 0;
205 }
206
207 #ifdef COMPILER2
208 if (is_c2_compile(comp_level)) {
209 return _compiler_count;
210 } else {
211 return 0;
212 }
213 #endif
214
215 #ifdef COMPILER1
216 if (is_c1_compile(comp_level)) {
217 return _compiler_count;
218 } else {
219 return 0;
220 }
221 #endif
222
223 return 0;
224 }
225
226 void NonTieredCompPolicy::reset_counter_for_invocation_event(methodHandle m) {
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