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8322537: Parallel: Remove experimental adjustment in PSAdaptiveSizePolicy

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Reviewed-by: kbarrett, tschatzl
This commit is contained in:
Albert Mingkun Yang 2024-01-12 13:51:29 +00:00
parent be900f1253
commit e22ab10991
2 changed files with 0 additions and 34 deletions
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28
src/hotspot/share/gc/parallel/psAdaptiveSizePolicy.cpp
View File

@ -583,12 +583,6 @@ void PSAdaptiveSizePolicy::adjust_eden_for_minor_pause_time(size_t* desired_eden
decrease_young_gen_for_min_pauses_true);
*desired_eden_size_ptr = *desired_eden_size_ptr -
eden_decrement_aligned_down(*desired_eden_size_ptr);
} else {
// EXPERIMENTAL ADJUSTMENT
// Only record that the estimator indicated such an action.
// *desired_eden_size_ptr = *desired_eden_size_ptr + eden_heap_delta;
set_change_young_gen_for_min_pauses(
increase_young_gen_for_min_pauses_true);
}
}
@ -609,12 +603,6 @@ void PSAdaptiveSizePolicy::adjust_promo_for_pause_time(size_t* desired_promo_siz
set_change_old_gen_for_maj_pauses(decrease_old_gen_for_maj_pauses_true);
promo_heap_delta = promo_decrement_aligned_down(*desired_promo_size_ptr);
*desired_promo_size_ptr = _promo_size - promo_heap_delta;
} else {
// EXPERIMENTAL ADJUSTMENT
// Only record that the estimator indicated such an action.
// *desired_promo_size_ptr = _promo_size +
// promo_increment_aligned_up(*desired_promo_size_ptr);
set_change_old_gen_for_maj_pauses(increase_old_gen_for_maj_pauses_true);
}
}
@ -700,14 +688,6 @@ void PSAdaptiveSizePolicy::adjust_promo_for_throughput(bool is_full_gc,
set_change_old_gen_for_throughput(
increase_old_gen_for_throughput_true);
_old_gen_change_for_major_throughput++;
} else {
// EXPERIMENTAL ADJUSTMENT
// Record that decreasing the old gen size would decrease
// the major collection cost but don't do it.
// *desired_promo_size_ptr = _promo_size -
// promo_decrement_aligned_down(*desired_promo_size_ptr);
set_change_old_gen_for_throughput(
decrease_old_gen_for_throughput_true);
}
break;
@ -787,14 +767,6 @@ void PSAdaptiveSizePolicy::adjust_eden_for_throughput(bool is_full_gc,
set_change_young_gen_for_throughput(
increase_young_gen_for_througput_true);
_young_gen_change_for_minor_throughput++;
} else {
// EXPERIMENTAL ADJUSTMENT
// Record that decreasing the young gen size would decrease
// the minor collection cost but don't do it.
// *desired_eden_size_ptr = _eden_size -
// eden_decrement_aligned_down(*desired_eden_size_ptr);
set_change_young_gen_for_throughput(
decrease_young_gen_for_througput_true);
}
break;
default:

6
src/hotspot/share/gc/shared/adaptiveSizePolicy.hpp
View File

@ -48,12 +48,6 @@ class AdaptiveSizePolicy : public CHeapObj<mtGC> {
virtual GCPolicyKind kind() const { return _gc_adaptive_size_policy; }
enum SizePolicyTrueValues {
decrease_old_gen_for_throughput_true = -7,
decrease_young_gen_for_througput_true = -6,
increase_young_gen_for_min_pauses_true = -2,
increase_old_gen_for_maj_pauses_true = -1,
decrease_young_gen_for_min_pauses_true = 1,
decrease_old_gen_for_maj_pauses_true = 2,