src/hotspot/share/gc/shenandoah/shenandoahPacer.cpp

*** 176,200 ****
  }
  
  size_t ShenandoahPacer::update_and_get_progress_history() {
    if (_progress == -1) {
      // First initialization, report some prior
!     Atomic::store((intptr_t)PACING_PROGRESS_ZERO, &_progress);
      return (size_t) (_heap->max_capacity() * 0.1);
    } else {
      // Record history, and reply historical data
      _progress_history->add(_progress);
!     Atomic::store((intptr_t)PACING_PROGRESS_ZERO, &_progress);
      return (size_t) (_progress_history->avg() * HeapWordSize);
    }
  }
  
  void ShenandoahPacer::restart_with(size_t non_taxable_bytes, double tax_rate) {
    size_t initial = (size_t)(non_taxable_bytes * tax_rate) >> LogHeapWordSize;
    STATIC_ASSERT(sizeof(size_t) <= sizeof(intptr_t));
    Atomic::xchg((intptr_t)initial, &_budget);
!   Atomic::store(tax_rate, &_tax_rate);
    Atomic::inc(&_epoch);
  }
  
  bool ShenandoahPacer::claim_for_alloc(size_t words, bool force) {
    assert(ShenandoahPacing, "Only be here when pacing is enabled");
--- 176,200 ----
  }
  
  size_t ShenandoahPacer::update_and_get_progress_history() {
    if (_progress == -1) {
      // First initialization, report some prior
!     Atomic::store(&_progress, (intptr_t)PACING_PROGRESS_ZERO);
      return (size_t) (_heap->max_capacity() * 0.1);
    } else {
      // Record history, and reply historical data
      _progress_history->add(_progress);
!     Atomic::store(&_progress, (intptr_t)PACING_PROGRESS_ZERO);
      return (size_t) (_progress_history->avg() * HeapWordSize);
    }
  }
  
  void ShenandoahPacer::restart_with(size_t non_taxable_bytes, double tax_rate) {
    size_t initial = (size_t)(non_taxable_bytes * tax_rate) >> LogHeapWordSize;
    STATIC_ASSERT(sizeof(size_t) <= sizeof(intptr_t));
    Atomic::xchg((intptr_t)initial, &_budget);
!   Atomic::store(&_tax_rate, tax_rate);
    Atomic::inc(&_epoch);
  }
  
  bool ShenandoahPacer::claim_for_alloc(size_t words, bool force) {
    assert(ShenandoahPacing, "Only be here when pacing is enabled");