spv: Process header batches in parallel #2311
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matheusd
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This switches the initial SPV header fetching process to process each batch of headers in parallel through its various stages.
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This switches the initial SPV header fetching process to process each batch of headers in parallel through its various stages.
The initial header sync process is split into a 3-stage pipeline, where batches of headers progress through. Each stage is run on a separate goroutine, providing some parallelism for the entire process.
The following is a rough comparison of sync times with/without this PR (all on mainnet, reference master):
Part of #2289.