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This change:
```
diff --git a/crypto/vm/cells/CellHash.h b/crypto/vm/cells/CellHash.h
index 9435675f..0f0ba0ba 100644
--- a/crypto/vm/cells/CellHash.h
+++ b/crypto/vm/cells/CellHash.h
@@ -84,7 +84,8 @@ struct hash<vm::CellHash> {
typedef vm::CellHash argument_type;
typedef std::size_t result_type;
result_type operator()(argument_type const& s) const noexcept {
- return cell_hash_slice_hash(s.as_slice());
+ return s.as_array()[1] << 8 | s.as_array()[2];
+ // return cell_hash_slice_hash(s.as_slice());
}
};
} // namespace std
```
This “optimization” uses only two bytes (shifted and OR’d) instead of a full hash over the entire slice. Such a drastic reduction in entropy will almost certainly lead to a very high collision rate
```
diff --git a/crypto/vm/cells/CellHash.h b/crypto/vm/cells/CellHash.h
index 9435675f..0f0ba0ba 100644
--- a/crypto/vm/cells/CellHash.h
+++ b/crypto/vm/cells/CellHash.h
@@ -84,7 +84,8 @@ struct hash<vm::CellHash> {
typedef vm::CellHash argument_type;
typedef std::size_t result_type;
result_type operator()(argument_type const& s) const noexcept {
- return cell_hash_slice_hash(s.as_slice());
+ return s.as_array()[1] << 8 | s.as_array()[2];
+ // return cell_hash_slice_hash(s.as_slice());
}
};
} // namespace std
```
This “optimization” uses only two bytes (shifted and OR’d) instead of a full hash over the entire slice. Such a drastic reduction in entropy will almost certainly lead to a very high collision rate
FINAL TESTING RESULTS for entry6342
Passed 11840/11841 tests (1 failed)
Real time: 814.154264s
CPU time: 733.095489s
Baseline real time: 975.120982s
Baseline CPU time: 897.583775s
Passed 11840/11841 tests (1 failed)
Real time: 814.154264s
CPU time: 733.095489s
Baseline real time: 975.120982s
Baseline CPU time: 897.583775s
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