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Commit bc6adb86 authored by Michael Lippautz's avatar Michael Lippautz Committed by Commit Bot
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Revert "Reland "[heap] Move pointers updating to ItemParallelJob""" 

This reverts commit 33d5006e.

Reason for revert: Still failing TSAN: https://build.chromium.org/p/client.v8/builders/V8%20Linux64%20TSAN/builds/15527/steps/Check%20-%20extra%20%28flakes%29/logs/regress-470804

Original change's description:
> Reland "[heap] Move pointers updating to ItemParallelJob""
> 
> Furthermore avoid lock-step between pointer updating phases as they
> should execute in parallel without synchronization restrictions.
> 
> This reverts commit 68a72399.
> 
> Bug: chromium:726040
> Change-Id: I76bb31d146f8aa20f8b7c486eeae9f09efa0cd53
> Reviewed-on: https://chromium-review.googlesource.com/518150
> Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
> Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#45644}

TBR=ulan@chromium.org,mlippautz@chromium.org

No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: chromium:726040
Change-Id: I96090250a6ecc5068c3c927e8435e0b605c3c335
Reviewed-on: https://chromium-review.googlesource.com/519409
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: 's avatarMichael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#45645}
parent 33d5006e
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Inline Side-by-side
Showing with 236 additions and 265 deletions
src/heap/gc-tracer.cc
View file @ bc6adb86
......@@ -538,8 +538,10 @@ void GCTracer::PrintNVP() const {
"evacuate=%.2f "
"evacuate.copy=%.2f "
"evacuate.update_pointers=%.2f "
"evacuate.update_pointers.to_new_roots=%.2f "
"evacuate.update_pointers.slots=%.2f "
"evacuate.update_pointers.to_new=%.2f "
"evacuate.update_pointers.to_new.tospace=%.2f "
"evacuate.update_pointers.to_new.roots=%.2f "
"evacuate.update_pointers.to_new.old=%.2f "
"update_marking_deque=%.2f "
"reset_liveness=%.2f\n",
duration, spent_in_mutator, "mmc", current_.reduce_memory,
......@@ -556,9 +558,12 @@ void GCTracer::PrintNVP() const {
current_.scopes[Scope::MINOR_MC_EVACUATE],
current_.scopes[Scope::MINOR_MC_EVACUATE_COPY],
current_.scopes[Scope::MINOR_MC_EVACUATE_UPDATE_POINTERS],
current_.scopes[Scope::MINOR_MC_EVACUATE_UPDATE_POINTERS_TO_NEW],
current_
.scopes[Scope::MINOR_MC_EVACUATE_UPDATE_POINTERS_TO_NEW_TOSPACE],
current_
.scopes[Scope::MINOR_MC_EVACUATE_UPDATE_POINTERS_TO_NEW_ROOTS],
current_.scopes[Scope::MINOR_MC_EVACUATE_UPDATE_POINTERS_SLOTS],
current_.scopes[Scope::MINOR_MC_EVACUATE_UPDATE_POINTERS_TO_NEW_OLD],
current_.scopes[Scope::MINOR_MC_MARKING_DEQUE],
current_.scopes[Scope::MINOR_MC_RESET_LIVENESS]);
break;
......@@ -593,8 +598,8 @@ void GCTracer::PrintNVP() const {
"evacuate.epilogue=%.1f "
"evacuate.rebalance=%.1f "
"evacuate.update_pointers=%.1f "
"evacuate.update_pointers.to_new_roots=%.1f "
"evacuate.update_pointers.slots=%.1f "
"evacuate.update_pointers.to_evacuated=%.1f "
"evacuate.update_pointers.to_new=%.1f "
"evacuate.update_pointers.weak=%.1f "
"finish=%.1f "
"mark=%.1f "
......@@ -677,8 +682,8 @@ void GCTracer::PrintNVP() const {
current_.scopes[Scope::MC_EVACUATE_EPILOGUE],
current_.scopes[Scope::MC_EVACUATE_REBALANCE],
current_.scopes[Scope::MC_EVACUATE_UPDATE_POINTERS],
current_.scopes[Scope::MC_EVACUATE_UPDATE_POINTERS_TO_NEW_ROOTS],
current_.scopes[Scope::MC_EVACUATE_UPDATE_POINTERS_SLOTS],
current_.scopes[Scope::MC_EVACUATE_UPDATE_POINTERS_TO_EVACUATED],
current_.scopes[Scope::MC_EVACUATE_UPDATE_POINTERS_TO_NEW],
current_.scopes[Scope::MC_EVACUATE_UPDATE_POINTERS_WEAK],
current_.scopes[Scope::MC_FINISH], current_.scopes[Scope::MC_MARK],
current_.scopes[Scope::MC_MARK_FINISH_INCREMENTAL],
......
src/heap/gc-tracer.h
View file @ bc6adb86
......@@ -34,79 +34,81 @@ enum ScavengeSpeedMode { kForAllObjects, kForSurvivedObjects };
F(MC_INCREMENTAL_EXTERNAL_EPILOGUE) \
F(MC_INCREMENTAL_EXTERNAL_PROLOGUE)
#define TRACER_SCOPES(F) \
INCREMENTAL_SCOPES(F) \
F(HEAP_EPILOGUE) \
F(HEAP_EPILOGUE_REDUCE_NEW_SPACE) \
F(HEAP_EXTERNAL_EPILOGUE) \
F(HEAP_EXTERNAL_PROLOGUE) \
F(HEAP_EXTERNAL_WEAK_GLOBAL_HANDLES) \
F(HEAP_PROLOGUE) \
F(MC_CLEAR) \
F(MC_CLEAR_DEPENDENT_CODE) \
F(MC_CLEAR_MAPS) \
F(MC_CLEAR_SLOTS_BUFFER) \
F(MC_CLEAR_STORE_BUFFER) \
F(MC_CLEAR_STRING_TABLE) \
F(MC_CLEAR_WEAK_CELLS) \
F(MC_CLEAR_WEAK_COLLECTIONS) \
F(MC_CLEAR_WEAK_LISTS) \
F(MC_EPILOGUE) \
F(MC_EVACUATE) \
F(MC_EVACUATE_CANDIDATES) \
F(MC_EVACUATE_CLEAN_UP) \
F(MC_EVACUATE_COPY) \
F(MC_EVACUATE_EPILOGUE) \
F(MC_EVACUATE_PROLOGUE) \
F(MC_EVACUATE_REBALANCE) \
F(MC_EVACUATE_UPDATE_POINTERS) \
F(MC_EVACUATE_UPDATE_POINTERS_SLOTS) \
F(MC_EVACUATE_UPDATE_POINTERS_TO_NEW_ROOTS) \
F(MC_EVACUATE_UPDATE_POINTERS_WEAK) \
F(MC_FINISH) \
F(MC_MARK) \
F(MC_MARK_FINISH_INCREMENTAL) \
F(MC_MARK_ROOTS) \
F(MC_MARK_WEAK_CLOSURE) \
F(MC_MARK_WEAK_CLOSURE_EPHEMERAL) \
F(MC_MARK_WEAK_CLOSURE_WEAK_HANDLES) \
F(MC_MARK_WEAK_CLOSURE_WEAK_ROOTS) \
F(MC_MARK_WEAK_CLOSURE_HARMONY) \
F(MC_MARK_WRAPPER_EPILOGUE) \
F(MC_MARK_WRAPPER_PROLOGUE) \
F(MC_MARK_WRAPPER_TRACING) \
F(MC_PROLOGUE) \
F(MC_SWEEP) \
F(MC_SWEEP_CODE) \
F(MC_SWEEP_MAP) \
F(MC_SWEEP_OLD) \
F(MINOR_MC) \
F(MINOR_MC_CLEAR) \
F(MINOR_MC_CLEAR_STRING_TABLE) \
F(MINOR_MC_CLEAR_WEAK_LISTS) \
F(MINOR_MC_EVACUATE) \
F(MINOR_MC_EVACUATE_CLEAN_UP) \
F(MINOR_MC_EVACUATE_COPY) \
F(MINOR_MC_EVACUATE_EPILOGUE) \
F(MINOR_MC_EVACUATE_PROLOGUE) \
F(MINOR_MC_EVACUATE_REBALANCE) \
F(MINOR_MC_EVACUATE_UPDATE_POINTERS) \
F(MINOR_MC_EVACUATE_UPDATE_POINTERS_SLOTS) \
F(MINOR_MC_EVACUATE_UPDATE_POINTERS_TO_NEW_ROOTS) \
F(MINOR_MC_EVACUATE_UPDATE_POINTERS_WEAK) \
F(MINOR_MC_MARK) \
F(MINOR_MC_MARK_GLOBAL_HANDLES) \
F(MINOR_MC_MARK_SEED) \
F(MINOR_MC_MARK_ROOTS) \
F(MINOR_MC_MARK_WEAK) \
F(MINOR_MC_MARKING_DEQUE) \
F(MINOR_MC_RESET_LIVENESS) \
F(MINOR_MC_SWEEPING) \
F(SCAVENGER_EVACUATE) \
F(SCAVENGER_OLD_TO_NEW_POINTERS) \
F(SCAVENGER_ROOTS) \
F(SCAVENGER_SCAVENGE) \
F(SCAVENGER_SEMISPACE) \
#define TRACER_SCOPES(F) \
INCREMENTAL_SCOPES(F) \
F(HEAP_EPILOGUE) \
F(HEAP_EPILOGUE_REDUCE_NEW_SPACE) \
F(HEAP_EXTERNAL_EPILOGUE) \
F(HEAP_EXTERNAL_PROLOGUE) \
F(HEAP_EXTERNAL_WEAK_GLOBAL_HANDLES) \
F(HEAP_PROLOGUE) \
F(MC_CLEAR) \
F(MC_CLEAR_DEPENDENT_CODE) \
F(MC_CLEAR_MAPS) \
F(MC_CLEAR_SLOTS_BUFFER) \
F(MC_CLEAR_STORE_BUFFER) \
F(MC_CLEAR_STRING_TABLE) \
F(MC_CLEAR_WEAK_CELLS) \
F(MC_CLEAR_WEAK_COLLECTIONS) \
F(MC_CLEAR_WEAK_LISTS) \
F(MC_EPILOGUE) \
F(MC_EVACUATE) \
F(MC_EVACUATE_CANDIDATES) \
F(MC_EVACUATE_CLEAN_UP) \
F(MC_EVACUATE_COPY) \
F(MC_EVACUATE_EPILOGUE) \
F(MC_EVACUATE_PROLOGUE) \
F(MC_EVACUATE_REBALANCE) \
F(MC_EVACUATE_UPDATE_POINTERS) \
F(MC_EVACUATE_UPDATE_POINTERS_TO_EVACUATED) \
F(MC_EVACUATE_UPDATE_POINTERS_TO_NEW) \
F(MC_EVACUATE_UPDATE_POINTERS_WEAK) \
F(MC_FINISH) \
F(MC_MARK) \
F(MC_MARK_FINISH_INCREMENTAL) \
F(MC_MARK_ROOTS) \
F(MC_MARK_WEAK_CLOSURE) \
F(MC_MARK_WEAK_CLOSURE_EPHEMERAL) \
F(MC_MARK_WEAK_CLOSURE_WEAK_HANDLES) \
F(MC_MARK_WEAK_CLOSURE_WEAK_ROOTS) \
F(MC_MARK_WEAK_CLOSURE_HARMONY) \
F(MC_MARK_WRAPPER_EPILOGUE) \
F(MC_MARK_WRAPPER_PROLOGUE) \
F(MC_MARK_WRAPPER_TRACING) \
F(MC_PROLOGUE) \
F(MC_SWEEP) \
F(MC_SWEEP_CODE) \
F(MC_SWEEP_MAP) \
F(MC_SWEEP_OLD) \
F(MINOR_MC) \
F(MINOR_MC_CLEAR) \
F(MINOR_MC_CLEAR_STRING_TABLE) \
F(MINOR_MC_CLEAR_WEAK_LISTS) \
F(MINOR_MC_EVACUATE) \
F(MINOR_MC_EVACUATE_CLEAN_UP) \
F(MINOR_MC_EVACUATE_COPY) \
F(MINOR_MC_EVACUATE_EPILOGUE) \
F(MINOR_MC_EVACUATE_PROLOGUE) \
F(MINOR_MC_EVACUATE_REBALANCE) \
F(MINOR_MC_EVACUATE_UPDATE_POINTERS) \
F(MINOR_MC_EVACUATE_UPDATE_POINTERS_TO_NEW) \
F(MINOR_MC_EVACUATE_UPDATE_POINTERS_TO_NEW_ROOTS) \
F(MINOR_MC_EVACUATE_UPDATE_POINTERS_TO_NEW_TOSPACE) \
F(MINOR_MC_EVACUATE_UPDATE_POINTERS_TO_NEW_OLD) \
F(MINOR_MC_EVACUATE_UPDATE_POINTERS_WEAK) \
F(MINOR_MC_MARK) \
F(MINOR_MC_MARK_GLOBAL_HANDLES) \
F(MINOR_MC_MARK_SEED) \
F(MINOR_MC_MARK_ROOTS) \
F(MINOR_MC_MARK_WEAK) \
F(MINOR_MC_MARKING_DEQUE) \
F(MINOR_MC_RESET_LIVENESS) \
F(MINOR_MC_SWEEPING) \
F(SCAVENGER_EVACUATE) \
F(SCAVENGER_OLD_TO_NEW_POINTERS) \
F(SCAVENGER_ROOTS) \
F(SCAVENGER_SCAVENGE) \
F(SCAVENGER_SEMISPACE) \
F(SCAVENGER_WEAK)
#define TRACE_GC(tracer, scope_id) \
......
src/heap/mark-compact.cc
View file @ bc6adb86
This diff is collapsed.
src/heap/mark-compact.h
View file @ bc6adb86
......@@ -22,7 +22,6 @@ namespace internal {
// Forward declarations.
class EvacuationJobTraits;
class HeapObjectVisitor;
class ItemParallelJob;
class LocalWorkStealingMarkingDeque;
class MarkCompactCollector;
class MinorMarkCompactCollector;
......@@ -277,9 +276,9 @@ class MarkCompactCollectorBase {
// Returns whether this page should be moved according to heuristics.
bool ShouldMovePage(Page* p, intptr_t live_bytes);
int CollectToSpaceUpdatingItems(ItemParallelJob* job);
template <RememberedSetType type>
int CollectRememberedSetUpdatingItems(ItemParallelJob* job);
void UpdatePointersInParallel(base::Semaphore* semaphore);
void UpdateToSpacePointersInParallel(base::Semaphore* semaphore);
int NumberOfParallelCompactionTasks(int pages);
int NumberOfParallelPointerUpdateTasks(int pages, int slots);
......
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