本文整理汇总了C++中GenCollectedHeap::capacity方法的典型用法代码示例。如果您正苦于以下问题：C++ GenCollectedHeap::capacity方法的具体用法？C++ GenCollectedHeap::capacity怎么用？C++ GenCollectedHeap::capacity使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类GenCollectedHeap的用法示例。
在下文中一共展示了GenCollectedHeap::capacity方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: compute_new_size
void ASParNewGeneration::compute_new_size() {
GenCollectedHeap* gch = GenCollectedHeap::heap();
assert(gch->kind() == CollectedHeap::GenCollectedHeap,
"not a CMS generational heap");
CMSAdaptiveSizePolicy* size_policy =
(CMSAdaptiveSizePolicy*)gch->gen_policy()->size_policy();
assert(size_policy->is_gc_cms_adaptive_size_policy(),
"Wrong type of size policy");
size_t survived = from()->used();
if (!survivor_overflow()) {
// Keep running averages on how much survived
size_policy->avg_survived()->sample(survived);
} else {
size_t promoted =
(size_t) next_gen()->gc_stats()->avg_promoted()->last_sample();
assert(promoted < gch->capacity(), "Conversion problem?");
size_t survived_guess = survived + promoted;
size_policy->avg_survived()->sample(survived_guess);
}
size_t survivor_limit = max_survivor_size();
_tenuring_threshold =
size_policy->compute_survivor_space_size_and_threshold(
_survivor_overflow,
_tenuring_threshold,
survivor_limit);
size_policy->avg_young_live()->sample(used());
size_policy->avg_eden_live()->sample(eden()->used());
size_policy->compute_young_generation_free_space(eden()->capacity(),
max_gen_size());
resize(size_policy->calculated_eden_size_in_bytes(),
size_policy->calculated_survivor_size_in_bytes());
if (UsePerfData) {
CMSGCAdaptivePolicyCounters* counters =
(CMSGCAdaptivePolicyCounters*) gch->collector_policy()->counters();
assert(counters->kind() ==
GCPolicyCounters::CMSGCAdaptivePolicyCountersKind,
"Wrong kind of counters");
counters->update_tenuring_threshold(_tenuring_threshold);
counters->update_survivor_overflowed(_survivor_overflow);
counters->update_young_capacity(capacity());
}
}