Merge "Support java compilation sharding for target side." am: 60e1f8ee27 am: 72165e0c29

am: bbc5a69fc5

Change-Id: I8c65cdeb4d1fc37f86a44c82f82bfe1a10440667
This commit is contained in:
Nan Zhang
2017-10-13 07:31:27 +00:00
committed by android-build-merger
6 changed files with 186 additions and 28 deletions

View File

@@ -352,7 +352,36 @@ endif
##########################################
java_sources := $(addprefix $(LOCAL_PATH)/, $(filter %.java,$(LOCAL_SRC_FILES))) $(aidl_java_sources) $(logtags_java_sources) \
$(filter %.java,$(LOCAL_GENERATED_SOURCES))
all_java_sources := $(java_sources) $(addprefix $(TARGET_OUT_COMMON_INTERMEDIATES)/, $(filter %.java,$(LOCAL_INTERMEDIATE_SOURCES)))
java_intermediate_sources := $(addprefix $(TARGET_OUT_COMMON_INTERMEDIATES)/, $(filter %.java,$(LOCAL_INTERMEDIATE_SOURCES)))
all_java_sources := $(java_sources) $(java_intermediate_sources)
enable_sharding :=
ifneq ($(TURBINE_ENABLED),false)
ifneq ($(LOCAL_JAVAC_SHARD_SIZE),)
ifneq ($(LOCAL_JAR_PROCESSOR),)
$(call pretty-error,Cannot set both LOCAL_JAVAC_SHARD_SIZE and LOCAL_JAR_PROCESSOR!)
endif # LOCAL_JAR_PROCESSOR is not empty
enable_sharding := true
num_shards := $(call int_divide,$(words $(java_sources)),$(LOCAL_JAVAC_SHARD_SIZE))
ifneq ($(words $(java_sources)),$(call int_multiply,$(LOCAL_JAVAC_SHARD_SIZE),$(num_shards)))
# increment number of shards by 1.
num_shards := $(call int_plus,$(num_shards),1)
endif
shard_idx_list := $(call int_range_list,1,$(num_shards))
sharded_java_source_list_files += $(foreach x,$(shard_idx_list),$(java_source_list_file).shard.$(x))
sharded_jar_list += $(foreach x,$(shard_idx_list),$(full_classes_compiled_jar).shard.$(x))
# always put dynamically-located .java files (generated by Proto/resource, etc) in a new final shard.
# increment number of shards by 1.
num_shards := $(call int_plus,$(num_shards),1)
sharded_java_source_list_files += $(java_source_list_file).shard.$(num_shards)
sharded_jar_list += $(full_classes_compiled_jar).shard.$(num_shards)
LOCAL_INTERMEDIATE_TARGETS += $(sharded_java_source_list_files)
LOCAL_INTERMEDIATE_TARGETS += $(sharded_jar_list)
endif # LOCAL_JAVAC_SHARD_SIZE is not empty
endif # TURBINE_ENABLED != false
include $(BUILD_SYSTEM)/java_common.mk
@@ -432,23 +461,47 @@ java_sources_deps := \
$(java_source_list_file): $(java_sources_deps)
$(write-java-source-list)
$(full_classes_compiled_jar): PRIVATE_JAVACFLAGS := $(LOCAL_JAVACFLAGS) $(annotation_processor_flags)
$(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_FILES := $(LOCAL_JAR_EXCLUDE_FILES)
$(full_classes_compiled_jar): PRIVATE_JAR_PACKAGES := $(LOCAL_JAR_PACKAGES)
$(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_PACKAGES := $(LOCAL_JAR_EXCLUDE_PACKAGES)
$(full_classes_compiled_jar): PRIVATE_DONT_DELETE_JAR_META_INF := $(LOCAL_DONT_DELETE_JAR_META_INF)
$(full_classes_compiled_jar): PRIVATE_JAVA_SOURCE_LIST := $(java_source_list_file)
$(full_classes_compiled_jar): \
$(java_source_list_file) \
$(java_sources_deps) \
$(full_java_header_libs) \
$(full_java_bootclasspath_libs) \
$(layers_file) \
$(annotation_processor_deps) \
$(NORMALIZE_PATH) \
$(JAR_ARGS) \
| $(SOONG_JAVAC_WRAPPER)
$(transform-java-to-classes.jar)
ifdef enable_sharding
$(foreach x,$(shard_idx_list),\
$(eval $(call save-sharded-java-source-list,$(x),\
$(wordlist $(call int_plus,1,$(call int_multiply,$(LOCAL_JAVAC_SHARD_SIZE),$(call int_subtract,$(x),1))),\
$(call int_multiply,$(LOCAL_JAVAC_SHARD_SIZE),$(x)),$(sort $(java_sources))))))
# always put dynamically-located .java files (generated by Proto/resource, etc) in a new final shard.
$(java_source_list_file).shard.$(num_shards): PRIVATE_JAVA_INTERMEDIATE_SOURCES := $(java_intermediate_sources)
$(java_source_list_file).shard.$(num_shards): $(java_resource_sources) \
$(RenderScript_file_stamp) \
$(proto_java_sources_file_stamp) \
$(LOCAL_ADDITIONAL_DEPENDENCIES) \
$(NORMALIZE_PATH)
$(hide) rm -f $@
$(call dump-words-to-file,$(PRIVATE_JAVA_INTERMEDIATE_SOURCES),$@.tmp)
$(call fetch-additional-java-source,$@.tmp)
$(hide) tr ' ' '\n' < $@.tmp | $(NORMALIZE_PATH) | sort -u > $@
# Javac sharding with header libs including its own header jar as one of dependency.
$(foreach x,$(shard_idx_list),\
$(eval $(call create-classes-full-debug.jar,$(full_classes_compiled_jar).shard.$(x),\
$(java_source_list_file).shard.$(x),\
$(full_java_header_libs) $(full_classes_header_jar),$(x),\
$(wordlist $(call int_plus,1,$(call int_multiply,$(LOCAL_JAVAC_SHARD_SIZE),$(call int_subtract,$(x),1))),\
$(call int_multiply,$(LOCAL_JAVAC_SHARD_SIZE),$(x)),$(sort $(java_sources))))))
# Javac sharding for last shard with additional Java dependencies.
$(eval $(call create-classes-full-debug.jar,$(full_classes_compiled_jar).shard.$(num_shards),\
$(java_source_list_file).shard.$(num_shards),$(full_java_header_libs) $(full_classes_header_jar),$(strip \
$(num_shards)),$$(java_resource_sources) $$(RenderScript_file_stamp) \
$$(proto_java_sources_file_stamp) $$(LOCAL_ADDITIONAL_DEPENDENCIES)))
$(full_classes_compiled_jar): PRIVATE_SHARDED_JAR_LIST := $(sharded_jar_list)
$(full_classes_compiled_jar): $(sharded_jar_list) | $(MERGE_ZIPS)
$(MERGE_ZIPS) -j $@ $(PRIVATE_SHARDED_JAR_LIST)
else
# we can't use single $ for java_sources_deps since it may contain hash '#' sign.
$(eval $(call create-classes-full-debug.jar,$(full_classes_compiled_jar),\
$(java_source_list_file),$(full_java_header_libs),,$$(java_sources_deps)))
endif # ifdef enable_sharding
ifneq ($(TURBINE_ENABLED),false)