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8042298: Remove the names gen0 and gen1 from the GC code

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Renamed gen0 and gen1 to young and old throughout the GC code.

Reviewed-by: sjohanss, jcoomes
This commit is contained in:
Jesper Wilhelmsson 2014-05-02 02:11:34 +02:00
parent 47c9e23d81
commit ded8b863dd
19 changed files with 225 additions and 226 deletions
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242
hotspot/src/share/vm/memory/collectorPolicy.cpp
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@ -196,13 +196,13 @@ size_t CollectorPolicy::compute_heap_alignment() {
// GenCollectorPolicy methods
GenCollectorPolicy::GenCollectorPolicy() :
_min_gen0_size(0),
_initial_gen0_size(0),
_max_gen0_size(0),
_min_young_size(0),
_initial_young_size(0),
_max_young_size(0),
_gen_alignment(0),
_min_gen1_size(0),
_initial_gen1_size(0),
_max_gen1_size(0),
_min_old_size(0),
_initial_old_size(0),
_max_old_size(0),
_generations(NULL)
{}
@ -236,7 +236,7 @@ size_t GenCollectorPolicy::young_gen_size_lower_bound() {
#ifdef ASSERT
void GenCollectorPolicy::assert_flags() {
CollectorPolicy::assert_flags();
assert(NewSize >= _min_gen0_size, "Ergonomics decided on a too small young gen size");
assert(NewSize >= _min_young_size, "Ergonomics decided on a too small young gen size");
assert(NewSize <= MaxNewSize, "Ergonomics decided on incompatible initial and maximum young gen sizes");
assert(FLAG_IS_DEFAULT(MaxNewSize) || MaxNewSize < MaxHeapSize, "Ergonomics decided on incompatible maximum young gen and heap sizes");
assert(NewSize % _gen_alignment == 0, "NewSize alignment");
@ -249,28 +249,28 @@ void GenCollectorPolicy::assert_size_info() {
CollectorPolicy::assert_size_info();
// GenCollectorPolicy::initialize_size_info may update the MaxNewSize
assert(MaxNewSize < MaxHeapSize, "Ergonomics decided on incompatible maximum young and heap sizes");
assert(NewSize == _initial_gen0_size, "Discrepancy between NewSize flag and local storage");
assert(MaxNewSize == _max_gen0_size, "Discrepancy between MaxNewSize flag and local storage");
assert(OldSize == _initial_gen1_size, "Discrepancy between OldSize flag and local storage");
assert(_min_gen0_size <= _initial_gen0_size, "Ergonomics decided on incompatible minimum and initial young gen sizes");
assert(_initial_gen0_size <= _max_gen0_size, "Ergonomics decided on incompatible initial and maximum young gen sizes");
assert(_min_gen0_size % _gen_alignment == 0, "_min_gen0_size alignment");
assert(_initial_gen0_size % _gen_alignment == 0, "_initial_gen0_size alignment");
assert(_max_gen0_size % _gen_alignment == 0, "_max_gen0_size alignment");
assert(_min_gen0_size <= bound_minus_alignment(_min_gen0_size, _min_heap_byte_size),
assert(NewSize == _initial_young_size, "Discrepancy between NewSize flag and local storage");
assert(MaxNewSize == _max_young_size, "Discrepancy between MaxNewSize flag and local storage");
assert(OldSize == _initial_old_size, "Discrepancy between OldSize flag and local storage");
assert(_min_young_size <= _initial_young_size, "Ergonomics decided on incompatible minimum and initial young gen sizes");
assert(_initial_young_size <= _max_young_size, "Ergonomics decided on incompatible initial and maximum young gen sizes");
assert(_min_young_size % _gen_alignment == 0, "_min_young_size alignment");
assert(_initial_young_size % _gen_alignment == 0, "_initial_young_size alignment");
assert(_max_young_size % _gen_alignment == 0, "_max_young_size alignment");
assert(_min_young_size <= bound_minus_alignment(_min_young_size, _min_heap_byte_size),
"Ergonomics made minimum young generation larger than minimum heap");
assert(_initial_gen0_size <= bound_minus_alignment(_initial_gen0_size, _initial_heap_byte_size),
assert(_initial_young_size <= bound_minus_alignment(_initial_young_size, _initial_heap_byte_size),
"Ergonomics made initial young generation larger than initial heap");
assert(_max_gen0_size <= bound_minus_alignment(_max_gen0_size, _max_heap_byte_size),
assert(_max_young_size <= bound_minus_alignment(_max_young_size, _max_heap_byte_size),
"Ergonomics made maximum young generation lager than maximum heap");
assert(_min_gen1_size <= _initial_gen1_size, "Ergonomics decided on incompatible minimum and initial old gen sizes");
assert(_initial_gen1_size <= _max_gen1_size, "Ergonomics decided on incompatible initial and maximum old gen sizes");
assert(_max_gen1_size % _gen_alignment == 0, "_max_gen1_size alignment");
assert(_initial_gen1_size % _gen_alignment == 0, "_initial_gen1_size alignment");
assert(_max_heap_byte_size <= (_max_gen0_size + _max_gen1_size), "Total maximum heap sizes must be sum of generation maximum sizes");
assert(_min_gen0_size + _min_gen1_size <= _min_heap_byte_size, "Minimum generation sizes exceed minimum heap size");
assert(_initial_gen0_size + _initial_gen1_size == _initial_heap_byte_size, "Initial generation sizes should match initial heap size");
assert(_max_gen0_size + _max_gen1_size == _max_heap_byte_size, "Maximum generation sizes should match maximum heap size");
assert(_min_old_size <= _initial_old_size, "Ergonomics decided on incompatible minimum and initial old gen sizes");
assert(_initial_old_size <= _max_old_size, "Ergonomics decided on incompatible initial and maximum old gen sizes");
assert(_max_old_size % _gen_alignment == 0, "_max_old_size alignment");
assert(_initial_old_size % _gen_alignment == 0, "_initial_old_size alignment");
assert(_max_heap_byte_size <= (_max_young_size + _max_old_size), "Total maximum heap sizes must be sum of generation maximum sizes");
assert(_min_young_size + _min_old_size <= _min_heap_byte_size, "Minimum generation sizes exceed minimum heap size");
assert(_initial_young_size + _initial_old_size == _initial_heap_byte_size, "Initial generation sizes should match initial heap size");
assert(_max_young_size + _max_old_size == _max_heap_byte_size, "Maximum generation sizes should match maximum heap size");
}
#endif // ASSERT
@ -323,8 +323,8 @@ void GenCollectorPolicy::initialize_flags() {
// later when setting the initial and minimum young generation size.
NewSize = bounded_new_size;
}
_min_gen0_size = smallest_new_size;
_initial_gen0_size = NewSize;
_min_young_size = smallest_new_size;
_initial_young_size = NewSize;
if (!FLAG_IS_DEFAULT(MaxNewSize)) {
if (MaxNewSize >= MaxHeapSize) {
@ -338,14 +338,14 @@ void GenCollectorPolicy::initialize_flags() {
FLAG_SET_ERGO(uintx, MaxNewSize, smaller_max_new_size);
if (NewSize > MaxNewSize) {
FLAG_SET_ERGO(uintx, NewSize, MaxNewSize);
_initial_gen0_size = NewSize;
_initial_young_size = NewSize;
}
} else if (MaxNewSize < _initial_gen0_size) {
FLAG_SET_ERGO(uintx, MaxNewSize, _initial_gen0_size);
} else if (MaxNewSize < _initial_young_size) {
FLAG_SET_ERGO(uintx, MaxNewSize, _initial_young_size);
} else if (!is_size_aligned(MaxNewSize, _gen_alignment)) {
FLAG_SET_ERGO(uintx, MaxNewSize, align_size_down(MaxNewSize, _gen_alignment));
}
_max_gen0_size = MaxNewSize;
_max_young_size = MaxNewSize;
}
if (NewSize > MaxNewSize) {
@ -357,7 +357,7 @@ void GenCollectorPolicy::initialize_flags() {
NewSize/K, MaxNewSize/K, NewSize/K);
}
FLAG_SET_ERGO(uintx, MaxNewSize, NewSize);
_max_gen0_size = MaxNewSize;
_max_young_size = MaxNewSize;
}
if (SurvivorRatio < 1 || NewRatio < 1) {
@ -393,7 +393,7 @@ void GenCollectorPolicy::initialize_flags() {
double shrink_factor = (double) MaxHeapSize / calculated_size;
uintx smaller_new_size = align_size_down((uintx)(NewSize * shrink_factor), _gen_alignment);
FLAG_SET_ERGO(uintx, NewSize, MAX2(young_gen_size_lower_bound(), smaller_new_size));
_initial_gen0_size = NewSize;
_initial_young_size = NewSize;
// OldSize is already aligned because above we aligned MaxHeapSize to
// _heap_alignment, and we just made sure that NewSize is aligned to
@ -406,16 +406,16 @@ void GenCollectorPolicy::initialize_flags() {
}
}
// Update NewSize, if possible, to avoid sizing gen0 to small when only
// Update NewSize, if possible, to avoid sizing the young gen too small when only
// OldSize is set on the command line.
if (FLAG_IS_CMDLINE(OldSize) && !FLAG_IS_CMDLINE(NewSize)) {
if (OldSize < _initial_heap_byte_size) {
size_t new_size = _initial_heap_byte_size - OldSize;
// Need to compare against the flag value for max since _max_gen0_size
// Need to compare against the flag value for max since _max_young_size
// might not have been set yet.
if (new_size >= _min_gen0_size && new_size <= MaxNewSize) {
if (new_size >= _min_young_size && new_size <= MaxNewSize) {
FLAG_SET_ERGO(uintx, NewSize, new_size);
_initial_gen0_size = NewSize;
_initial_young_size = NewSize;
}
}
}
@ -444,77 +444,77 @@ void GenCollectorPolicy::initialize_flags() {
void GenCollectorPolicy::initialize_size_info() {
CollectorPolicy::initialize_size_info();
_initial_gen0_size = NewSize;
_max_gen0_size = MaxNewSize;
_initial_gen1_size = OldSize;
_initial_young_size = NewSize;
_max_young_size = MaxNewSize;
_initial_old_size = OldSize;
// Determine maximum size of gen0
// Determine maximum size of the young generation.
if (FLAG_IS_DEFAULT(MaxNewSize)) {
_max_gen0_size = scale_by_NewRatio_aligned(_max_heap_byte_size);
_max_young_size = scale_by_NewRatio_aligned(_max_heap_byte_size);
// Bound the maximum size by NewSize below (since it historically
// would have been NewSize and because the NewRatio calculation could
// yield a size that is too small) and bound it by MaxNewSize above.
// Ergonomics plays here by previously calculating the desired
// NewSize and MaxNewSize.
_max_gen0_size = MIN2(MAX2(_max_gen0_size, _initial_gen0_size), MaxNewSize);
_max_young_size = MIN2(MAX2(_max_young_size, _initial_young_size), MaxNewSize);
}
// Given the maximum gen0 size, determine the initial and
// minimum gen0 sizes.
// Given the maximum young size, determine the initial and
// minimum young sizes.
if (_max_heap_byte_size == _initial_heap_byte_size) {
// The maximum and initial heap sizes are the same so the generation's
// initial size must be the same as it maximum size. Use NewSize as the
// size if set on command line.
_max_gen0_size = FLAG_IS_CMDLINE(NewSize) ? NewSize : _max_gen0_size;
_initial_gen0_size = _max_gen0_size;
_max_young_size = FLAG_IS_CMDLINE(NewSize) ? NewSize : _max_young_size;
_initial_young_size = _max_young_size;
// Also update the minimum size if min == initial == max.
if (_max_heap_byte_size == _min_heap_byte_size) {
_min_gen0_size = _max_gen0_size;
_min_young_size = _max_young_size;
}
} else {
if (FLAG_IS_CMDLINE(NewSize)) {
// If NewSize is set on the command line, we should use it as
// the initial size, but make sure it is within the heap bounds.
_initial_gen0_size =
MIN2(_max_gen0_size, bound_minus_alignment(NewSize, _initial_heap_byte_size));
_min_gen0_size = bound_minus_alignment(_initial_gen0_size, _min_heap_byte_size);
_initial_young_size =
MIN2(_max_young_size, bound_minus_alignment(NewSize, _initial_heap_byte_size));
_min_young_size = bound_minus_alignment(_initial_young_size, _min_heap_byte_size);
} else {
// For the case where NewSize is not set on the command line, use
// NewRatio to size the initial generation size. Use the current
// NewSize as the floor, because if NewRatio is overly large, the resulting
// size can be too small.
_initial_gen0_size =
MIN2(_max_gen0_size, MAX2(scale_by_NewRatio_aligned(_initial_heap_byte_size), NewSize));
_initial_young_size =
MIN2(_max_young_size, MAX2(scale_by_NewRatio_aligned(_initial_heap_byte_size), NewSize));
}
}
if (PrintGCDetails && Verbose) {
gclog_or_tty->print_cr("1: Minimum gen0 " SIZE_FORMAT " Initial gen0 "
SIZE_FORMAT " Maximum gen0 " SIZE_FORMAT,
_min_gen0_size, _initial_gen0_size, _max_gen0_size);
gclog_or_tty->print_cr("1: Minimum young " SIZE_FORMAT " Initial young "
SIZE_FORMAT " Maximum young " SIZE_FORMAT,
_min_young_size, _initial_young_size, _max_young_size);
}
// At this point the minimum, initial and maximum sizes
// of the overall heap and of gen0 have been determined.
// The maximum gen1 size can be determined from the maximum gen0
// of the overall heap and of the young generation have been determined.
// The maximum old size can be determined from the maximum young
// and maximum heap size since no explicit flags exist
// for setting the gen1 maximum.
_max_gen1_size = MAX2(_max_heap_byte_size - _max_gen0_size, _gen_alignment);
// for setting the old generation maximum.
_max_old_size = MAX2(_max_heap_byte_size - _max_young_size, _gen_alignment);
// If no explicit command line flag has been set for the
// gen1 size, use what is left for gen1
// old generation size, use what is left.
if (!FLAG_IS_CMDLINE(OldSize)) {
// The user has not specified any value but the ergonomics
// may have chosen a value (which may or may not be consistent
// with the overall heap size). In either case make
// the minimum, maximum and initial sizes consistent
// with the gen0 sizes and the overall heap sizes.
_min_gen1_size = _gen_alignment;
_initial_gen1_size = MIN2(_max_gen1_size, MAX2(_initial_heap_byte_size - _initial_gen0_size, _min_gen1_size));
// _max_gen1_size has already been made consistent above
// with the young sizes and the overall heap sizes.
_min_old_size = _gen_alignment;
_initial_old_size = MIN2(_max_old_size, MAX2(_initial_heap_byte_size - _initial_young_size, _min_old_size));
// _max_old_size has already been made consistent above.
} else {
// OldSize has been explicitly set on the command line. Use it
// for the initial size but make sure the minimum allow a young
@ -523,68 +523,68 @@ void GenCollectorPolicy::initialize_size_info() {
// with other command line flags, issue a warning.
// The generation minimums and the overall heap minimum should
// be within one generation alignment.
if (_initial_gen1_size > _max_gen1_size) {
if (_initial_old_size > _max_old_size) {
warning("Inconsistency between maximum heap size and maximum "
"generation sizes: using maximum heap = " SIZE_FORMAT
" -XX:OldSize flag is being ignored",
_max_heap_byte_size);
_initial_gen1_size = _max_gen1_size;
_initial_old_size = _max_old_size;
}
_min_gen1_size = MIN2(_initial_gen1_size, _min_heap_byte_size - _min_gen0_size);
_min_old_size = MIN2(_initial_old_size, _min_heap_byte_size - _min_young_size);
}
// The initial generation sizes should match the initial heap size,
// if not issue a warning and resize the generations. This behavior
// differs from JDK8 where the generation sizes have higher priority
// than the initial heap size.
if ((_initial_gen1_size + _initial_gen0_size) != _initial_heap_byte_size) {
if ((_initial_old_size + _initial_young_size) != _initial_heap_byte_size) {
warning("Inconsistency between generation sizes and heap size, resizing "
"the generations to fit the heap.");
size_t desired_gen0_size = _initial_heap_byte_size - _initial_gen1_size;
if (_initial_heap_byte_size < _initial_gen1_size) {
size_t desired_young_size = _initial_heap_byte_size - _initial_old_size;
if (_initial_heap_byte_size < _initial_old_size) {
// Old want all memory, use minimum for young and rest for old
_initial_gen0_size = _min_gen0_size;
_initial_gen1_size = _initial_heap_byte_size - _min_gen0_size;
} else if (desired_gen0_size > _max_gen0_size) {
_initial_young_size = _min_young_size;
_initial_old_size = _initial_heap_byte_size - _min_young_size;
} else if (desired_young_size > _max_young_size) {
// Need to increase both young and old generation
_initial_gen0_size = _max_gen0_size;
_initial_gen1_size = _initial_heap_byte_size - _max_gen0_size;
} else if (desired_gen0_size < _min_gen0_size) {
_initial_young_size = _max_young_size;
_initial_old_size = _initial_heap_byte_size - _max_young_size;
} else if (desired_young_size < _min_young_size) {
// Need to decrease both young and old generation
_initial_gen0_size = _min_gen0_size;
_initial_gen1_size = _initial_heap_byte_size - _min_gen0_size;
_initial_young_size = _min_young_size;
_initial_old_size = _initial_heap_byte_size - _min_young_size;
} else {
// The young generation boundaries allow us to only update the
// young generation.
_initial_gen0_size = desired_gen0_size;
_initial_young_size = desired_young_size;
}
if (PrintGCDetails && Verbose) {
gclog_or_tty->print_cr("2: Minimum gen0 " SIZE_FORMAT " Initial gen0 "
SIZE_FORMAT " Maximum gen0 " SIZE_FORMAT,
_min_gen0_size, _initial_gen0_size, _max_gen0_size);
gclog_or_tty->print_cr("2: Minimum young " SIZE_FORMAT " Initial young "
SIZE_FORMAT " Maximum young " SIZE_FORMAT,
_min_young_size, _initial_young_size, _max_young_size);
}
}
// Write back to flags if necessary
if (NewSize != _initial_gen0_size) {
FLAG_SET_ERGO(uintx, NewSize, _initial_gen0_size);
// Write back to flags if necessary.
if (NewSize != _initial_young_size) {
FLAG_SET_ERGO(uintx, NewSize, _initial_young_size);
}
if (MaxNewSize != _max_gen0_size) {
FLAG_SET_ERGO(uintx, MaxNewSize, _max_gen0_size);
if (MaxNewSize != _max_young_size) {
FLAG_SET_ERGO(uintx, MaxNewSize, _max_young_size);
}
if (OldSize != _initial_gen1_size) {
FLAG_SET_ERGO(uintx, OldSize, _initial_gen1_size);
if (OldSize != _initial_old_size) {
FLAG_SET_ERGO(uintx, OldSize, _initial_old_size);
}
if (PrintGCDetails && Verbose) {
gclog_or_tty->print_cr("Minimum gen1 " SIZE_FORMAT " Initial gen1 "
SIZE_FORMAT " Maximum gen1 " SIZE_FORMAT,
_min_gen1_size, _initial_gen1_size, _max_gen1_size);
gclog_or_tty->print_cr("Minimum old " SIZE_FORMAT " Initial old "
SIZE_FORMAT " Maximum old " SIZE_FORMAT,
_min_old_size, _initial_old_size, _max_old_size);
}
DEBUG_ONLY(GenCollectorPolicy::assert_size_info();)
@ -610,11 +610,11 @@ HeapWord* GenCollectorPolicy::mem_allocate_work(size_t size,
HandleMark hm; // Discard any handles allocated in each iteration.
// First allocation attempt is lock-free.
Generation *gen0 = gch->get_gen(0);
assert(gen0->supports_inline_contig_alloc(),
Generation *young = gch->get_gen(0);
assert(young->supports_inline_contig_alloc(),
"Otherwise, must do alloc within heap lock");
if (gen0->should_allocate(size, is_tlab)) {
result = gen0->par_allocate(size, is_tlab);
if (young->should_allocate(size, is_tlab)) {
result = young->par_allocate(size, is_tlab);
if (result != NULL) {
assert(gch->is_in_reserved(result), "result not in heap");
return result;
@ -896,8 +896,8 @@ MetaWord* CollectorPolicy::satisfy_failed_metadata_allocation(
bool GenCollectorPolicy::should_try_older_generation_allocation(
size_t word_size) const {
GenCollectedHeap* gch = GenCollectedHeap::heap();
size_t gen0_capacity = gch->get_gen(0)->capacity_before_gc();
return (word_size > heap_word_size(gen0_capacity))
size_t young_capacity = gch->get_gen(0)->capacity_before_gc();
return (word_size > heap_word_size(young_capacity))
|| GC_locker::is_active_and_needs_gc()
|| gch->incremental_collection_failed();
}
@ -919,11 +919,11 @@ void MarkSweepPolicy::initialize_generations() {
}
if (UseParNewGC) {
_generations[0] = new GenerationSpec(Generation::ParNew, _initial_gen0_size, _max_gen0_size);
_generations[0] = new GenerationSpec(Generation::ParNew, _initial_young_size, _max_young_size);
} else {
_generations[0] = new GenerationSpec(Generation::DefNew, _initial_gen0_size, _max_gen0_size);
_generations[0] = new GenerationSpec(Generation::DefNew, _initial_young_size, _max_young_size);
}
_generations[1] = new GenerationSpec(Generation::MarkSweepCompact, _initial_gen1_size, _max_gen1_size);
_generations[1] = new GenerationSpec(Generation::MarkSweepCompact, _initial_old_size, _max_old_size);
if (_generations[0] == NULL || _generations[1] == NULL) {
vm_exit_during_initialization("Unable to allocate gen spec");
@ -957,18 +957,18 @@ public:
flag_value = 20 * M;
set_basic_flag_values();
FLAG_SET_CMDLINE(uintx, NewSize, flag_value);
verify_gen0_min(flag_value);
verify_young_min(flag_value);
set_basic_flag_values();
FLAG_SET_CMDLINE(uintx, NewSize, flag_value);
verify_gen0_initial(flag_value);
verify_young_initial(flag_value);
// If NewSize is set on command line, but is larger than the min
// heap size, it should only be used for initial young size.
flag_value = 80 * M;
set_basic_flag_values();
FLAG_SET_CMDLINE(uintx, NewSize, flag_value);
verify_gen0_initial(flag_value);
verify_young_initial(flag_value);
// If NewSize has been ergonomically set, the collector policy
// should use it for min but calculate the initial young size
@ -976,11 +976,11 @@ public:
flag_value = 20 * M;
set_basic_flag_values();
FLAG_SET_ERGO(uintx, NewSize, flag_value);
verify_gen0_min(flag_value);
verify_young_min(flag_value);
set_basic_flag_values();
FLAG_SET_ERGO(uintx, NewSize, flag_value);
verify_scaled_gen0_initial(InitialHeapSize);
verify_scaled_young_initial(InitialHeapSize);
restore_flags();
}
@ -995,11 +995,11 @@ public:
flag_value = 20 * M;
set_basic_flag_values();
FLAG_SET_CMDLINE(uintx, OldSize, flag_value);
verify_gen1_min(flag_value);
verify_old_min(flag_value);
set_basic_flag_values();
FLAG_SET_CMDLINE(uintx, OldSize, flag_value);
verify_gen1_initial(flag_value);
verify_old_initial(flag_value);
// If MaxNewSize is large, the maximum OldSize will be less than
// what's requested on the command line and it should be reset
@ -1010,46 +1010,46 @@ public:
FLAG_SET_CMDLINE(uintx, MaxNewSize, 170*M);
// Calculate what we expect the flag to be.
flag_value = MaxHeapSize - MaxNewSize;
verify_gen1_initial(flag_value);
verify_old_initial(flag_value);
}
static void verify_gen0_min(size_t expected) {
static void verify_young_min(size_t expected) {
MarkSweepPolicy msp;
msp.initialize_all();
assert(msp.min_gen0_size() <= expected, err_msg("%zu > %zu", msp.min_gen0_size(), expected));
assert(msp.min_young_size() <= expected, err_msg("%zu > %zu", msp.min_young_size(), expected));
}
static void verify_gen0_initial(size_t expected) {
static void verify_young_initial(size_t expected) {
MarkSweepPolicy msp;
msp.initialize_all();
assert(msp.initial_gen0_size() == expected, err_msg("%zu != %zu", msp.initial_gen0_size(), expected));
assert(msp.initial_young_size() == expected, err_msg("%zu != %zu", msp.initial_young_size(), expected));
}
static void verify_scaled_gen0_initial(size_t initial_heap_size) {
static void verify_scaled_young_initial(size_t initial_heap_size) {
MarkSweepPolicy msp;
msp.initialize_all();
size_t expected = msp.scale_by_NewRatio_aligned(initial_heap_size);
assert(msp.initial_gen0_size() == expected, err_msg("%zu != %zu", msp.initial_gen0_size(), expected));
assert(msp.initial_young_size() == expected, err_msg("%zu != %zu", msp.initial_young_size(), expected));
assert(FLAG_IS_ERGO(NewSize) && NewSize == expected,
err_msg("NewSize should have been set ergonomically to %zu, but was %zu", expected, NewSize));
}
static void verify_gen1_min(size_t expected) {
static void verify_old_min(size_t expected) {
MarkSweepPolicy msp;
msp.initialize_all();
assert(msp.min_gen1_size() <= expected, err_msg("%zu > %zu", msp.min_gen1_size(), expected));
assert(msp.min_old_size() <= expected, err_msg("%zu > %zu", msp.min_old_size(), expected));
}
static void verify_gen1_initial(size_t expected) {
static void verify_old_initial(size_t expected) {
MarkSweepPolicy msp;
msp.initialize_all();
assert(msp.initial_gen1_size() == expected, err_msg("%zu != %zu", msp.initial_gen1_size(), expected));
assert(msp.initial_old_size() == expected, err_msg("%zu != %zu", msp.initial_old_size(), expected));
}