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src/hotspot/share/runtime/tieredThresholdPolicy.cpp
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rev 52662 : [mq]: 8214206
*** 224,235 ****
if (FLAG_IS_DEFAULT(CICompilerCountPerCPU) && FLAG_IS_DEFAULT(CICompilerCount)) {
FLAG_SET_DEFAULT(CICompilerCountPerCPU, true);
}
if (CICompilerCountPerCPU) {
// Simple log n seems to grow too slowly for tiered, try something faster: log n * log log n
! int log_cpu = log2_intptr(os::active_processor_count());
! int loglog_cpu = log2_intptr(MAX2(log_cpu, 1));
count = MAX2(log_cpu * loglog_cpu * 3 / 2, 2);
// Make sure there is enough space in the code cache to hold all the compiler buffers
size_t c1_size = Compiler::code_buffer_size();
size_t c2_size = C2Compiler::initial_code_buffer_size();
size_t buffer_size = c1_only ? c1_size : (c1_size/3 + 2*c2_size/3);
--- 224,235 ----
if (FLAG_IS_DEFAULT(CICompilerCountPerCPU) && FLAG_IS_DEFAULT(CICompilerCount)) {
FLAG_SET_DEFAULT(CICompilerCountPerCPU, true);
}
if (CICompilerCountPerCPU) {
// Simple log n seems to grow too slowly for tiered, try something faster: log n * log log n
! int log_cpu = log2_int(os::active_processor_count());
! int loglog_cpu = log2_int(MAX2(log_cpu, 1));
count = MAX2(log_cpu * loglog_cpu * 3 / 2, 2);
// Make sure there is enough space in the code cache to hold all the compiler buffers
size_t c1_size = Compiler::code_buffer_size();
size_t c2_size = C2Compiler::initial_code_buffer_size();
size_t buffer_size = c1_only ? c1_size : (c1_size/3 + 2*c2_size/3);
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