Merge "Shard srcjars when sharding javac compilation" into main
diff --git a/java/base.go b/java/base.go
index a110aff..fb7b95a 100644
--- a/java/base.go
+++ b/java/base.go
@@ -1343,10 +1343,17 @@
jars = append(jars, classes)
}
}
+ // Assume approximately 5 sources per srcjar.
+ // For framework-minus-apex in AOSP at the time this was written, there are 266 srcjars, with a mean
+ // of 5.8 sources per srcjar, but a median of 1, a standard deviation of 10, and a max of 48 source files.
if len(srcJars) > 0 {
- classes := j.compileJavaClasses(ctx, jarName, len(shardSrcs),
- nil, srcJars, flags, extraJarDeps)
- jars = append(jars, classes)
+ startIdx := len(shardSrcs)
+ shardSrcJarsList := android.ShardPaths(srcJars, shardSize/5)
+ for idx, shardSrcJars := range shardSrcJarsList {
+ classes := j.compileJavaClasses(ctx, jarName, startIdx+idx,
+ nil, shardSrcJars, flags, extraJarDeps)
+ jars = append(jars, classes)
+ }
}
} else {
classes := j.compileJavaClasses(ctx, jarName, -1, uniqueJavaFiles, srcJars, flags, extraJarDeps)