src/hotspot/share/runtime/tieredThresholdPolicy.cpp

*** 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);