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* trie: ensure resolved nodes stay loadedFelix Lange2016-10-181-1/+1
| | | | | | | | Commit 40cdcf1183 broke the optimisation which kept nodes resolved during Get in the trie. The decoder assigned cache generation 0 unconditionally, causing resolved nodes to get flushed on Commit. This commit fixes it and adds two tests.
* trie, core/state: improve memory usage and performance (#3135)Felix Lange2016-10-151-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * trie: store nodes as pointers This avoids memory copies when unwrapping node interface values. name old time/op new time/op delta Get 388ns ± 8% 215ns ± 2% -44.56% (p=0.000 n=15+15) GetDB 363ns ± 3% 202ns ± 2% -44.21% (p=0.000 n=15+15) UpdateBE 1.57µs ± 2% 1.29µs ± 3% -17.80% (p=0.000 n=13+15) UpdateLE 1.92µs ± 2% 1.61µs ± 2% -16.25% (p=0.000 n=14+14) HashBE 2.16µs ± 6% 2.18µs ± 6% ~ (p=0.436 n=15+15) HashLE 7.43µs ± 3% 7.21µs ± 3% -2.96% (p=0.000 n=15+13) * trie: close temporary databases in GetDB benchmark * trie: don't keep []byte from DB load around Nodes decoded from a DB load kept hashes and values as sub-slices of the DB value. This can be a problem because loading from leveldb often returns []byte with a cap that's larger than necessary, increasing memory usage. * trie: unload old cached nodes * trie, core/state: use cache unloading for account trie * trie: use explicit private flags (fixes Go 1.5 reflection issue). * trie: fixup cachegen overflow at request of nick * core/state: rename journal size constant
* core, trie: replace state caches with trie journalFelix Lange2016-09-281-5/+3
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* core, core/state, trie: enterprise hand-tuned multi-level cachingPéter Szilágyi2016-05-261-4/+4
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* all: update license informationFelix Lange2016-04-151-0/+16
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* light: implemented odr-capable trie and state structureszsfelfoldi2015-12-171-9/+15
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* trie: added error handlingzsfelfoldi2015-12-011-1/+10
| | | | Created alternate versions of Trie and SecureTrie functions that can return a MissingNodeError (used by ODR services)
* trie: add merkle proof functionsFelix Lange2015-09-231-0/+122