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Unified Diff: test/cctest/test-serialize.cc

Issue 10918067: Refactoring of snapshots. This simplifies and improves (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 8 years, 3 months ago
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Index: test/cctest/test-serialize.cc
===================================================================
--- test/cctest/test-serialize.cc (revision 12497)
+++ test/cctest/test-serialize.cc (working copy)
@@ -196,8 +196,7 @@
int data_space_used,
int code_space_used,
int map_space_used,
- int cell_space_used,
- int large_space_used);
+ int cell_space_used);
private:
FILE* fp_;
@@ -211,8 +210,7 @@
int data_space_used,
int code_space_used,
int map_space_used,
- int cell_space_used,
- int large_space_used) {
+ int cell_space_used) {
int file_name_length = StrLength(file_name_) + 10;
Vector<char> name = Vector<char>::New(file_name_length + 1);
OS::SNPrintF(name, "%s.size", file_name_);
@@ -224,7 +222,6 @@
fprintf(fp, "code %d\n", code_space_used);
fprintf(fp, "map %d\n", map_space_used);
fprintf(fp, "cell %d\n", cell_space_used);
- fprintf(fp, "large %d\n", large_space_used);
fclose(fp);
}
@@ -233,6 +230,15 @@
FileByteSink file(snapshot_file);
StartupSerializer ser(&file);
ser.Serialize();
+
+ file.WriteSpaceUsed(
+ ser.CurrentAllocationAddress(NEW_SPACE),
+ ser.CurrentAllocationAddress(OLD_POINTER_SPACE),
+ ser.CurrentAllocationAddress(OLD_DATA_SPACE),
+ ser.CurrentAllocationAddress(CODE_SPACE),
+ ser.CurrentAllocationAddress(MAP_SPACE),
+ ser.CurrentAllocationAddress(CELL_SPACE));
+
return true;
}
@@ -384,7 +390,6 @@
env.Dispose();
FileByteSink startup_sink(startup_name.start());
- startup_name.Dispose();
StartupSerializer startup_serializer(&startup_sink);
startup_serializer.SerializeStrongReferences();
@@ -392,26 +397,35 @@
PartialSerializer p_ser(&startup_serializer, &partial_sink);
p_ser.Serialize(&raw_foo);
startup_serializer.SerializeWeakReferences();
+
partial_sink.WriteSpaceUsed(
p_ser.CurrentAllocationAddress(NEW_SPACE),
p_ser.CurrentAllocationAddress(OLD_POINTER_SPACE),
p_ser.CurrentAllocationAddress(OLD_DATA_SPACE),
p_ser.CurrentAllocationAddress(CODE_SPACE),
p_ser.CurrentAllocationAddress(MAP_SPACE),
- p_ser.CurrentAllocationAddress(CELL_SPACE),
- p_ser.CurrentAllocationAddress(LO_SPACE));
+ p_ser.CurrentAllocationAddress(CELL_SPACE));
+
+ startup_sink.WriteSpaceUsed(
+ startup_serializer.CurrentAllocationAddress(NEW_SPACE),
+ startup_serializer.CurrentAllocationAddress(OLD_POINTER_SPACE),
+ startup_serializer.CurrentAllocationAddress(OLD_DATA_SPACE),
+ startup_serializer.CurrentAllocationAddress(CODE_SPACE),
+ startup_serializer.CurrentAllocationAddress(MAP_SPACE),
+ startup_serializer.CurrentAllocationAddress(CELL_SPACE));
+ startup_name.Dispose();
}
}
-static void ReserveSpaceForPartialSnapshot(const char* file_name) {
+static void ReserveSpaceForSnapshot(Deserializer* deserializer,
+ const char* file_name) {
int file_name_length = StrLength(file_name) + 10;
Vector<char> name = Vector<char>::New(file_name_length + 1);
OS::SNPrintF(name, "%s.size", file_name);
FILE* fp = OS::FOpen(name.start(), "r");
name.Dispose();
int new_size, pointer_size, data_size, code_size, map_size, cell_size;
- int large_size;
#ifdef _MSC_VER
// Avoid warning about unsafe fscanf from MSVC.
// Please note that this is only fine if %c and %s are not being used.
@@ -423,18 +437,16 @@
CHECK_EQ(1, fscanf(fp, "code %d\n", &code_size));
CHECK_EQ(1, fscanf(fp, "map %d\n", &map_size));
CHECK_EQ(1, fscanf(fp, "cell %d\n", &cell_size));
- CHECK_EQ(1, fscanf(fp, "large %d\n", &large_size));
#ifdef _MSC_VER
#undef fscanf
#endif
fclose(fp);
- HEAP->ReserveSpace(new_size,
- pointer_size,
- data_size,
- code_size,
- map_size,
- cell_size,
- large_size);
+ deserializer->set_reservation(NEW_SPACE, new_size);
+ deserializer->set_reservation(OLD_POINTER_SPACE, pointer_size);
+ deserializer->set_reservation(OLD_DATA_SPACE, data_size);
+ deserializer->set_reservation(CODE_SPACE, code_size);
+ deserializer->set_reservation(MAP_SPACE, map_size);
+ deserializer->set_reservation(CELL_SPACE, cell_size);
}
@@ -448,7 +460,6 @@
startup_name.Dispose();
const char* file_name = FLAG_testing_serialization_file;
- ReserveSpaceForPartialSnapshot(file_name);
int snapshot_size = 0;
byte* snapshot = ReadBytes(file_name, &snapshot_size);
@@ -457,18 +468,19 @@
{
SnapshotByteSource source(snapshot, snapshot_size);
Deserializer deserializer(&source);
+ ReserveSpaceForSnapshot(&deserializer, file_name);
deserializer.DeserializePartial(&root);
CHECK(root->IsString());
}
v8::HandleScope handle_scope;
Handle<Object> root_handle(root);
- ReserveSpaceForPartialSnapshot(file_name);
Object* root2;
{
SnapshotByteSource source(snapshot, snapshot_size);
Deserializer deserializer(&source);
+ ReserveSpaceForSnapshot(&deserializer, file_name);
deserializer.DeserializePartial(&root2);
CHECK(root2->IsString());
CHECK(*root_handle == root2);
@@ -506,7 +518,6 @@
env.Dispose();
FileByteSink startup_sink(startup_name.start());
- startup_name.Dispose();
StartupSerializer startup_serializer(&startup_sink);
startup_serializer.SerializeStrongReferences();
@@ -514,14 +525,23 @@
PartialSerializer p_ser(&startup_serializer, &partial_sink);
p_ser.Serialize(&raw_context);
startup_serializer.SerializeWeakReferences();
+
partial_sink.WriteSpaceUsed(
p_ser.CurrentAllocationAddress(NEW_SPACE),
p_ser.CurrentAllocationAddress(OLD_POINTER_SPACE),
p_ser.CurrentAllocationAddress(OLD_DATA_SPACE),
p_ser.CurrentAllocationAddress(CODE_SPACE),
p_ser.CurrentAllocationAddress(MAP_SPACE),
- p_ser.CurrentAllocationAddress(CELL_SPACE),
- p_ser.CurrentAllocationAddress(LO_SPACE));
+ p_ser.CurrentAllocationAddress(CELL_SPACE));
+
+ startup_sink.WriteSpaceUsed(
+ startup_serializer.CurrentAllocationAddress(NEW_SPACE),
+ startup_serializer.CurrentAllocationAddress(OLD_POINTER_SPACE),
+ startup_serializer.CurrentAllocationAddress(OLD_DATA_SPACE),
+ startup_serializer.CurrentAllocationAddress(CODE_SPACE),
+ startup_serializer.CurrentAllocationAddress(MAP_SPACE),
+ startup_serializer.CurrentAllocationAddress(CELL_SPACE));
+ startup_name.Dispose();
}
}
@@ -536,7 +556,6 @@
startup_name.Dispose();
const char* file_name = FLAG_testing_serialization_file;
- ReserveSpaceForPartialSnapshot(file_name);
int snapshot_size = 0;
byte* snapshot = ReadBytes(file_name, &snapshot_size);
@@ -545,18 +564,19 @@
{
SnapshotByteSource source(snapshot, snapshot_size);
Deserializer deserializer(&source);
+ ReserveSpaceForSnapshot(&deserializer, file_name);
deserializer.DeserializePartial(&root);
CHECK(root->IsContext());
}
v8::HandleScope handle_scope;
Handle<Object> root_handle(root);
- ReserveSpaceForPartialSnapshot(file_name);
Object* root2;
{
SnapshotByteSource source(snapshot, snapshot_size);
Deserializer deserializer(&source);
+ ReserveSpaceForSnapshot(&deserializer, file_name);
deserializer.DeserializePartial(&root2);
CHECK(root2->IsContext());
CHECK(*root_handle != root2);
@@ -565,120 +585,6 @@
}
-TEST(LinearAllocation) {
- v8::V8::Initialize();
- int new_space_max = 512 * KB;
- int paged_space_max = Page::kMaxNonCodeHeapObjectSize;
- int code_space_max = HEAP->code_space()->AreaSize();
-
- for (int size = 1000; size < 5 * MB; size += size >> 1) {
- size &= ~8; // Round.
- int new_space_size = (size < new_space_max) ? size : new_space_max;
- int paged_space_size = (size < paged_space_max) ? size : paged_space_max;
- HEAP->ReserveSpace(
- new_space_size,
- paged_space_size, // Old pointer space.
- paged_space_size, // Old data space.
- HEAP->code_space()->RoundSizeDownToObjectAlignment(code_space_max),
- HEAP->map_space()->RoundSizeDownToObjectAlignment(paged_space_size),
- HEAP->cell_space()->RoundSizeDownToObjectAlignment(paged_space_size),
- size); // Large object space.
- LinearAllocationScope linear_allocation_scope;
- DisallowAllocationFailure disallow_allocation_failure;
- const int kSmallFixedArrayLength = 4;
- const int kSmallFixedArraySize =
- FixedArray::kHeaderSize + kSmallFixedArrayLength * kPointerSize;
- const int kSmallStringLength = 16;
- const int kSmallStringSize =
- (SeqAsciiString::kHeaderSize + kSmallStringLength +
- kObjectAlignmentMask) & ~kObjectAlignmentMask;
- const int kMapSize = Map::kSize;
-
- Object* new_last = NULL;
- for (int i = 0;
- i + kSmallFixedArraySize <= new_space_size;
- i += kSmallFixedArraySize) {
- Object* obj =
- HEAP->AllocateFixedArray(kSmallFixedArrayLength)->ToObjectChecked();
- if (new_last != NULL) {
- CHECK(reinterpret_cast<char*>(obj) ==
- reinterpret_cast<char*>(new_last) + kSmallFixedArraySize);
- }
- new_last = obj;
- }
-
- Object* pointer_last = NULL;
- for (int i = 0;
- i + kSmallFixedArraySize <= paged_space_size;
- i += kSmallFixedArraySize) {
- Object* obj = HEAP->AllocateFixedArray(kSmallFixedArrayLength,
- TENURED)->ToObjectChecked();
- int old_page_fullness = i % Page::kPageSize;
- int page_fullness = (i + kSmallFixedArraySize) % Page::kPageSize;
- if (page_fullness < old_page_fullness ||
- page_fullness > HEAP->old_pointer_space()->AreaSize()) {
- i = RoundUp(i, Page::kPageSize);
- pointer_last = NULL;
- }
- if (pointer_last != NULL) {
- CHECK(reinterpret_cast<char*>(obj) ==
- reinterpret_cast<char*>(pointer_last) + kSmallFixedArraySize);
- }
- pointer_last = obj;
- }
-
- Object* data_last = NULL;
- for (int i = 0;
- i + kSmallStringSize <= paged_space_size;
- i += kSmallStringSize) {
- Object* obj = HEAP->AllocateRawAsciiString(kSmallStringLength,
- TENURED)->ToObjectChecked();
- int old_page_fullness = i % Page::kPageSize;
- int page_fullness = (i + kSmallStringSize) % Page::kPageSize;
- if (page_fullness < old_page_fullness ||
- page_fullness > HEAP->old_data_space()->AreaSize()) {
- i = RoundUp(i, Page::kPageSize);
- data_last = NULL;
- }
- if (data_last != NULL) {
- CHECK(reinterpret_cast<char*>(obj) ==
- reinterpret_cast<char*>(data_last) + kSmallStringSize);
- }
- data_last = obj;
- }
-
- Object* map_last = NULL;
- for (int i = 0; i + kMapSize <= paged_space_size; i += kMapSize) {
- Object* obj = HEAP->AllocateMap(JS_OBJECT_TYPE,
- 42 * kPointerSize)->ToObjectChecked();
- int old_page_fullness = i % Page::kPageSize;
- int page_fullness = (i + kMapSize) % Page::kPageSize;
- if (page_fullness < old_page_fullness ||
- page_fullness > HEAP->map_space()->AreaSize()) {
- i = RoundUp(i, Page::kPageSize);
- map_last = NULL;
- }
- if (map_last != NULL) {
- CHECK(reinterpret_cast<char*>(obj) ==
- reinterpret_cast<char*>(map_last) + kMapSize);
- }
- map_last = obj;
- }
-
- if (size > Page::kMaxNonCodeHeapObjectSize) {
- // Support for reserving space in large object space is not there yet,
- // but using an always-allocate scope is fine for now.
- AlwaysAllocateScope always;
- int large_object_array_length =
- (size - FixedArray::kHeaderSize) / kPointerSize;
- Object* obj = HEAP->AllocateFixedArray(large_object_array_length,
- TENURED)->ToObjectChecked();
- CHECK(!obj->IsFailure());
- }
- }
-}
-
-
TEST(TestThatAlwaysSucceeds) {
}
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