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trie: fix benchmark by ensuring key immutability #28221

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merged 2 commits into from
Oct 3, 2023

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DeVil2O
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@DeVil2O DeVil2O commented Sep 28, 2023

This PR fixes the bug for Trie Benchmarks Break invariant of trie. In the existing code, a key-value pair is constructed for use in the trie. However, the same key byte slice is reused for multiple update operations within a loop.

Bug: #28214

b.ReportAllocs()
for i := 0; i < b.N; i++ {
k := make([]byte, 32)
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I think we don't have to allocate the key though, the trie needs to copy it anyway afaik.

@holiman holiman changed the title trie/trie_test: Fix Trie Benchmark Bug: Ensure Key Immutability in geth Benchmarks trie: fix benchmark by ensuring key immutability Oct 2, 2023
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LGTM

@holiman holiman added this to the 1.13.3 milestone Oct 2, 2023
@holiman holiman merged commit 2091ebd into ethereum:master Oct 3, 2023
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hyunchel pushed a commit to hyunchel/go-ethereum that referenced this pull request Oct 6, 2023
This change fixes the bug in a benchmark, where the input to the trie is reused in a way which is not correct. 

---------

Co-authored-by: Martin Holst Swende <martin@swende.se>
tyler-smith pushed a commit to blocknative/go-ethereum that referenced this pull request Oct 12, 2023
This change fixes the bug in a benchmark, where the input to the trie is reused in a way which is not correct. 

---------

Co-authored-by: Martin Holst Swende <martin@swende.se>
tyler-smith pushed a commit to blocknative/go-ethereum that referenced this pull request Oct 16, 2023
This change fixes the bug in a benchmark, where the input to the trie is reused in a way which is not correct. 

---------

Co-authored-by: Martin Holst Swende <martin@swende.se>
devopsbo3 pushed a commit to HorizenOfficial/go-ethereum that referenced this pull request Nov 10, 2023
This change fixes the bug in a benchmark, where the input to the trie is reused in a way which is not correct. 

---------

Co-authored-by: Martin Holst Swende <martin@swende.se>
devopsbo3 added a commit to HorizenOfficial/go-ethereum that referenced this pull request Nov 10, 2023
devopsbo3 added a commit to HorizenOfficial/go-ethereum that referenced this pull request Nov 10, 2023
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2 participants