This PR makes some changes to the wallet, spv syncing and peer packages to avoid having to hash the exact same header multiple times.
This improves both cpu and memory allocation performance during the initial sync process.
On an informal sync on mainnet using spvconnect, this reduces the space allocated by BlockHash() calls by ~60% and the time spent in these functions by ~72%.
This PR makes some changes to the wallet, spv syncing and peer packages to avoid having to hash the exact same header multiple times.
This improves both cpu and memory allocation performance during the initial sync process.
On an informal sync on mainnet using spvconnect, this reduces the space allocated by
BlockHash()calls by ~60% and the time spent in these functions by ~72%.