Commit Graph

1 Commits

Author SHA1 Message Date
Martin HS d3cc618951
trie: reduce allocations in stacktrie (#30743)
This PR uses various tweaks and tricks to make the stacktrie near
alloc-free.

```
[user@work go-ethereum]$ benchstat stacktrie.1 stacktrie.7
goos: linux
goarch: amd64
pkg: github.com/ethereum/go-ethereum/trie
cpu: 12th Gen Intel(R) Core(TM) i7-1270P
             │ stacktrie.1  │             stacktrie.7              │
             │    sec/op    │    sec/op     vs base                │
Insert100K-8   106.97m ± 8%   88.21m ± 34%  -17.54% (p=0.000 n=10)

             │   stacktrie.1    │             stacktrie.7              │
             │       B/op       │     B/op      vs base                │
Insert100K-8   13199.608Ki ± 0%   3.424Ki ± 3%  -99.97% (p=0.000 n=10)

             │  stacktrie.1   │             stacktrie.7             │
             │   allocs/op    │ allocs/op   vs base                 │
Insert100K-8   553428.50 ± 0%   22.00 ± 5%  -100.00% (p=0.000 n=10)
```
Also improves derivesha:
```
goos: linux
goarch: amd64
pkg: github.com/ethereum/go-ethereum/core/types
cpu: 12th Gen Intel(R) Core(TM) i7-1270P
                          │ derivesha.1 │             derivesha.2              │
                          │   sec/op    │    sec/op     vs base                │
DeriveSha200/stack_trie-8   477.8µ ± 2%   430.0µ ± 12%  -10.00% (p=0.000 n=10)

                          │ derivesha.1  │             derivesha.2              │
                          │     B/op     │     B/op      vs base                │
DeriveSha200/stack_trie-8   45.17Ki ± 0%   25.65Ki ± 0%  -43.21% (p=0.000 n=10)

                          │ derivesha.1 │            derivesha.2             │
                          │  allocs/op  │ allocs/op   vs base                │
DeriveSha200/stack_trie-8   1259.0 ± 0%   232.0 ± 0%  -81.57% (p=0.000 n=10)

```

---------

Co-authored-by: Gary Rong <garyrong0905@gmail.com>
2025-01-23 10:17:12 +01:00