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digraph States {
graph [compound=true]
concentrate=true
node [shape="box"]
splines=curved
ranksep=0.9
UNINITED -> {LARGE_WINDOW_BITS -> INITIALIZE}
INITIALIZE -> METABLOCK_BEGIN -> METABLOCK_HEADER
METABLOCK_HEADER -> {{METADATA UNCOMPRESSED} -> METABLOCK_DONE}
METABLOCK_DONE -> METABLOCK_BEGIN [constraint="false"]
METABLOCK_DONE -> DONE
subgraph cluster_compressed_metablock {
style="rounded"
label="COMPRESSED METABLOCK"
subgraph cluster_command {
style="rounded"
label="HOT LOOP"
CMD_BEGIN -> CMD_INNER -> CMD_POST_DECODE_LITERALS -> CMD_POST_WRAP_COPY
// IO ("write") nodes are not in the hot loop!
CMD_INNER_WRITE [style=dashed]
CMD_INNER -> CMD_INNER_WRITE
CMD_POST_WRITE_1 [style=dashed]
CMD_POST_DECODE_LITERALS -> CMD_POST_WRITE_1
CMD_POST_WRITE_2 [style=dashed]
CMD_POST_WRAP_COPY -> CMD_POST_WRITE_2
CMD_POST_WRITE_1 -> CMD_BEGIN [constraint="false"]
CMD_INNER_WRITE -> {CMD_INNER CMD_POST_DECODE_LITERALS}
[constraint="false"]
CMD_BEGIN -> CMD_POST_DECODE_LITERALS [constraint="false"]
{CMD_POST_WRAP_COPY CMD_POST_DECODE_LITERALS} -> CMD_BEGIN
[constraint="false"]
CMD_POST_WRITE_2 -> CMD_POST_WRAP_COPY [constraint="false"]
{rank=same; CMD_BEGIN; CMD_INNER; CMD_POST_DECODE_LITERALS;
CMD_POST_WRAP_COPY}
{rank=same; CMD_INNER_WRITE; CMD_POST_WRITE_1; CMD_POST_WRITE_2}
_METABLOCK_DONE_PORT_ [shape=point style=invis]
{CMD_INNER CMD_POST_DECODE_LITERALS CMD_POST_WRAP_COPY
CMD_INNER_WRITE CMD_POST_WRITE_1} ->
_METABLOCK_DONE_PORT_ [constraint="false" style=invis]
}
HUFFMAN_CODE_0 -> HUFFMAN_CODE_1 -> HUFFMAN_CODE_2 -> HUFFMAN_CODE_3
HUFFMAN_CODE_0 -> METABLOCK_HEADER_2 -> CONTEXT_MODES -> CONTEXT_MAP_1
CONTEXT_MAP_1 -> CONTEXT_MAP_2 -> TREE_GROUP -> CMD_BEGIN
HUFFMAN_CODE_3 -> HUFFMAN_CODE_0 [constraint="false"]
{rank=min; HUFFMAN_CODE_0; HUFFMAN_CODE_1; HUFFMAN_CODE_2; HUFFMAN_CODE_3}
{rank=same; METABLOCK_HEADER_2; CONTEXT_MODES; CONTEXT_MAP_1; CONTEXT_MAP_2;
TREE_GROUP}
}
METABLOCK_HEADER -> HUFFMAN_CODE_0
_METABLOCK_DONE_PORT_ -> METABLOCK_DONE [constraint="false" ltail=cluster_command]
{rank=min; UNINITED; LARGE_WINDOW_BITS; INITIALIZE; METABLOCK_HEADER;
METABLOCK_BEGIN; METABLOCK_DONE; DONE}
UNINITED [shape=Mdiamond];
DONE [shape=Msquare];
}
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