weirflow 0.1.0

GPU-first dataflow analysis primitives for Vyre and Santh compiler pipelines.
Documentation 
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use crate::fixed_point_graph::FixedPointForwardGraph;

pub(crate) fn retained_graph_bytes(
    graph: &FixedPointForwardGraph,
) -> Result<usize, vyre::BackendError> {
    let node_tag_bytes = if graph.pg_node_tags_bytes == graph.pg_nodes_bytes {
        0
    } else {
        graph.pg_node_tags_bytes.len()
    };
    graph
        .pg_nodes_bytes
        .len()
        .checked_add(graph.edge_offsets_bytes.len())
        .and_then(|total| total.checked_add(graph.edge_targets_bytes.len()))
        .and_then(|total| total.checked_add(graph.edge_kind_mask_bytes.len()))
        .and_then(|total| total.checked_add(node_tag_bytes))
        .ok_or_else(|| vyre::BackendError::InvalidProgram {
            fix: "Fix: weir fixed-point retained graph byte count overflowed usize; shard the graph before resident upload."
                .to_string(),
        })
}