archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-21 03:24:38 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

6711316: Open source the Garbage-First garbage collector

Browse source 
First mercurial integration of the code for the Garbage-First garbage collector.

Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr
This commit is contained in:
Y. Srinivas Ramakrishna 2008-06-05 15:57:56 -07:00
parent 39463bb3fc
commit 18f3386a98
215 changed files with 36088 additions and 1249 deletions
Download patch file Download diff file Expand all files Collapse all files

54
hotspot/src/share/vm/memory/specialized_oop_closures.hpp
View file

@ -59,6 +59,12 @@ class CMSInnerParMarkAndPushClosure;
// This is split into several because of a Visual C++ 6.0 compiler bug
// where very long macros cause the compiler to crash
// Some other heap might define further specialized closures.
#ifndef FURTHER_SPECIALIZED_OOP_OOP_ITERATE_CLOSURES
#define FURTHER_SPECIALIZED_OOP_OOP_ITERATE_CLOSURES(f) \
/* None */
#endif
#define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_S(f) \
f(ScanClosure,_nv) \
f(FastScanClosure,_nv) \
@ -77,7 +83,7 @@ class CMSInnerParMarkAndPushClosure;
SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_P(f)
#ifndef SERIALGC
#define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_3(f) \
#define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_2(f) \
f(MarkRefsIntoAndScanClosure,_nv) \
f(Par_MarkRefsIntoAndScanClosure,_nv) \
f(PushAndMarkClosure,_nv) \
@ -85,11 +91,13 @@ class CMSInnerParMarkAndPushClosure;
f(PushOrMarkClosure,_nv) \
f(Par_PushOrMarkClosure,_nv) \
f(CMSKeepAliveClosure,_nv) \
f(CMSInnerParMarkAndPushClosure,_nv)
f(CMSInnerParMarkAndPushClosure,_nv) \
FURTHER_SPECIALIZED_OOP_OOP_ITERATE_CLOSURES(f)
#else // SERIALGC
#define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_3(f)
#define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_2(f)
#endif // SERIALGC
// We separate these out, because sometime the general one has
// a different definition from the specialized ones, and sometimes it
// doesn't.
@ -98,8 +106,8 @@ class CMSInnerParMarkAndPushClosure;
f(OopClosure,_v) \
SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_1(f)
#define ALL_OOP_OOP_ITERATE_CLOSURES_3(f) \
SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_3(f)
#define ALL_OOP_OOP_ITERATE_CLOSURES_2(f) \
SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_2(f)
#ifndef SERIALGC
// This macro applies an argument macro to all OopClosures for which we
@ -125,6 +133,13 @@ class CMSInnerParMarkAndPushClosure;
// The "root_class" is the most general class to define; this may be
// "OopClosure" in some applications and "OopsInGenClosure" in others.
// Some other heap might define further specialized closures.
#ifndef FURTHER_SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES
#define FURTHER_SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES(f) \
/* None */
#endif
#define SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES_YOUNG_S(f) \
f(ScanClosure,_nv) \
f(FastScanClosure,_nv)
@ -132,7 +147,8 @@ class CMSInnerParMarkAndPushClosure;
#ifndef SERIALGC
#define SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES_YOUNG_P(f) \
f(ParScanWithBarrierClosure,_nv) \
f(ParScanWithoutBarrierClosure,_nv)
f(ParScanWithoutBarrierClosure,_nv) \
FURTHER_SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES(f)
#else // SERIALGC
#define SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES_YOUNG_P(f)
#endif // SERIALGC
@ -179,13 +195,15 @@ public:
#if ENABLE_SPECIALIZATION_STATS
private:
static int _numCallsAll;
static bool _init;
static bool _wrapped;
static jint _numCallsAll;
static int _numCallsTotal[NUM_Kinds];
static int _numCalls_nv[NUM_Kinds];
static jint _numCallsTotal[NUM_Kinds];
static jint _numCalls_nv[NUM_Kinds];
static int _numDoOopCallsTotal[NUM_Kinds];
static int _numDoOopCalls_nv[NUM_Kinds];
static jint _numDoOopCallsTotal[NUM_Kinds];
static jint _numDoOopCalls_nv[NUM_Kinds];
public:
#endif
static void clear() PRODUCT_RETURN;
@ -203,22 +221,22 @@ public:
#if ENABLE_SPECIALIZATION_STATS
inline void SpecializationStats::record_call() {
_numCallsAll++;;
Atomic::inc(&_numCallsAll);
}
inline void SpecializationStats::record_iterate_call_v(Kind k) {
_numCallsTotal[k]++;
Atomic::inc(&_numCallsTotal[k]);
}
inline void SpecializationStats::record_iterate_call_nv(Kind k) {
_numCallsTotal[k]++;
_numCalls_nv[k]++;
Atomic::inc(&_numCallsTotal[k]);
Atomic::inc(&_numCalls_nv[k]);
}
inline void SpecializationStats::record_do_oop_call_v(Kind k) {
_numDoOopCallsTotal[k]++;
Atomic::inc(&_numDoOopCallsTotal[k]);
}
inline void SpecializationStats::record_do_oop_call_nv(Kind k) {
_numDoOopCallsTotal[k]++;
_numDoOopCalls_nv[k]++;
Atomic::inc(&_numDoOopCallsTotal[k]);
Atomic::inc(&_numDoOopCalls_nv[k]);
}
#else // !ENABLE_SPECIALIZATION_STATS