Merge "Support java compilation sharding for target side." am: 60e1f8ee27
am: 72165e0c29
am: bbc5a69fc5
Change-Id: I8c65cdeb4d1fc37f86a44c82f82bfe1a10440667
This commit is contained in:
89
core/java.mk
89
core/java.mk
@@ -352,7 +352,36 @@ endif
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##########################################
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java_sources := $(addprefix $(LOCAL_PATH)/, $(filter %.java,$(LOCAL_SRC_FILES))) $(aidl_java_sources) $(logtags_java_sources) \
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$(filter %.java,$(LOCAL_GENERATED_SOURCES))
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all_java_sources := $(java_sources) $(addprefix $(TARGET_OUT_COMMON_INTERMEDIATES)/, $(filter %.java,$(LOCAL_INTERMEDIATE_SOURCES)))
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java_intermediate_sources := $(addprefix $(TARGET_OUT_COMMON_INTERMEDIATES)/, $(filter %.java,$(LOCAL_INTERMEDIATE_SOURCES)))
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all_java_sources := $(java_sources) $(java_intermediate_sources)
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enable_sharding :=
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ifneq ($(TURBINE_ENABLED),false)
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ifneq ($(LOCAL_JAVAC_SHARD_SIZE),)
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ifneq ($(LOCAL_JAR_PROCESSOR),)
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$(call pretty-error,Cannot set both LOCAL_JAVAC_SHARD_SIZE and LOCAL_JAR_PROCESSOR!)
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endif # LOCAL_JAR_PROCESSOR is not empty
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enable_sharding := true
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num_shards := $(call int_divide,$(words $(java_sources)),$(LOCAL_JAVAC_SHARD_SIZE))
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ifneq ($(words $(java_sources)),$(call int_multiply,$(LOCAL_JAVAC_SHARD_SIZE),$(num_shards)))
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# increment number of shards by 1.
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num_shards := $(call int_plus,$(num_shards),1)
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endif
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shard_idx_list := $(call int_range_list,1,$(num_shards))
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sharded_java_source_list_files += $(foreach x,$(shard_idx_list),$(java_source_list_file).shard.$(x))
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sharded_jar_list += $(foreach x,$(shard_idx_list),$(full_classes_compiled_jar).shard.$(x))
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# always put dynamically-located .java files (generated by Proto/resource, etc) in a new final shard.
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# increment number of shards by 1.
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num_shards := $(call int_plus,$(num_shards),1)
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sharded_java_source_list_files += $(java_source_list_file).shard.$(num_shards)
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sharded_jar_list += $(full_classes_compiled_jar).shard.$(num_shards)
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LOCAL_INTERMEDIATE_TARGETS += $(sharded_java_source_list_files)
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LOCAL_INTERMEDIATE_TARGETS += $(sharded_jar_list)
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endif # LOCAL_JAVAC_SHARD_SIZE is not empty
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endif # TURBINE_ENABLED != false
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include $(BUILD_SYSTEM)/java_common.mk
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@@ -432,23 +461,47 @@ java_sources_deps := \
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$(java_source_list_file): $(java_sources_deps)
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$(write-java-source-list)
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$(full_classes_compiled_jar): PRIVATE_JAVACFLAGS := $(LOCAL_JAVACFLAGS) $(annotation_processor_flags)
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$(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_FILES := $(LOCAL_JAR_EXCLUDE_FILES)
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$(full_classes_compiled_jar): PRIVATE_JAR_PACKAGES := $(LOCAL_JAR_PACKAGES)
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$(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_PACKAGES := $(LOCAL_JAR_EXCLUDE_PACKAGES)
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$(full_classes_compiled_jar): PRIVATE_DONT_DELETE_JAR_META_INF := $(LOCAL_DONT_DELETE_JAR_META_INF)
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$(full_classes_compiled_jar): PRIVATE_JAVA_SOURCE_LIST := $(java_source_list_file)
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$(full_classes_compiled_jar): \
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$(java_source_list_file) \
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$(java_sources_deps) \
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$(full_java_header_libs) \
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$(full_java_bootclasspath_libs) \
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$(layers_file) \
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$(annotation_processor_deps) \
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$(NORMALIZE_PATH) \
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$(JAR_ARGS) \
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| $(SOONG_JAVAC_WRAPPER)
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$(transform-java-to-classes.jar)
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ifdef enable_sharding
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$(foreach x,$(shard_idx_list),\
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$(eval $(call save-sharded-java-source-list,$(x),\
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$(wordlist $(call int_plus,1,$(call int_multiply,$(LOCAL_JAVAC_SHARD_SIZE),$(call int_subtract,$(x),1))),\
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$(call int_multiply,$(LOCAL_JAVAC_SHARD_SIZE),$(x)),$(sort $(java_sources))))))
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# always put dynamically-located .java files (generated by Proto/resource, etc) in a new final shard.
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$(java_source_list_file).shard.$(num_shards): PRIVATE_JAVA_INTERMEDIATE_SOURCES := $(java_intermediate_sources)
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$(java_source_list_file).shard.$(num_shards): $(java_resource_sources) \
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$(RenderScript_file_stamp) \
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$(proto_java_sources_file_stamp) \
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$(LOCAL_ADDITIONAL_DEPENDENCIES) \
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$(NORMALIZE_PATH)
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$(hide) rm -f $@
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$(call dump-words-to-file,$(PRIVATE_JAVA_INTERMEDIATE_SOURCES),$@.tmp)
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$(call fetch-additional-java-source,$@.tmp)
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$(hide) tr ' ' '\n' < $@.tmp | $(NORMALIZE_PATH) | sort -u > $@
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# Javac sharding with header libs including its own header jar as one of dependency.
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$(foreach x,$(shard_idx_list),\
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$(eval $(call create-classes-full-debug.jar,$(full_classes_compiled_jar).shard.$(x),\
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$(java_source_list_file).shard.$(x),\
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$(full_java_header_libs) $(full_classes_header_jar),$(x),\
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$(wordlist $(call int_plus,1,$(call int_multiply,$(LOCAL_JAVAC_SHARD_SIZE),$(call int_subtract,$(x),1))),\
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$(call int_multiply,$(LOCAL_JAVAC_SHARD_SIZE),$(x)),$(sort $(java_sources))))))
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# Javac sharding for last shard with additional Java dependencies.
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$(eval $(call create-classes-full-debug.jar,$(full_classes_compiled_jar).shard.$(num_shards),\
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$(java_source_list_file).shard.$(num_shards),$(full_java_header_libs) $(full_classes_header_jar),$(strip \
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$(num_shards)),$$(java_resource_sources) $$(RenderScript_file_stamp) \
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$$(proto_java_sources_file_stamp) $$(LOCAL_ADDITIONAL_DEPENDENCIES)))
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$(full_classes_compiled_jar): PRIVATE_SHARDED_JAR_LIST := $(sharded_jar_list)
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$(full_classes_compiled_jar): $(sharded_jar_list) | $(MERGE_ZIPS)
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$(MERGE_ZIPS) -j $@ $(PRIVATE_SHARDED_JAR_LIST)
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else
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# we can't use single $ for java_sources_deps since it may contain hash '#' sign.
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$(eval $(call create-classes-full-debug.jar,$(full_classes_compiled_jar),\
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$(java_source_list_file),$(full_java_header_libs),,$$(java_sources_deps)))
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endif # ifdef enable_sharding
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ifneq ($(TURBINE_ENABLED),false)
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