perf(l1): avoid copy when reading account code #5289
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MegaRedHand
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Benchmark Block Execution Results Comparison Against Main
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| let Some(bytes) = self | ||
| .db | ||
| .get_pinned_cf(&cf, code_hash.as_bytes()) | ||
| .map_err(|e| StoreError::Custom(format!("RocksDB read error: {}", e)))? |
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Nit: is there no StoreError::ReadError or similar already?
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There is a ReadError but it's error message is "Could not open DB for reading" which implies a different kind of error, and doesn't pass-through the message.
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**Motivation** Currently we use `get_cf` for reading codes, which internally calls `get_pinned_cf` and copies the result. This copying takes up 6% of code reading time. **Description** Since data needs to be deserialized first, we could use a borrowed value and avoid this copy by calling `get_pinned_cf` directly.
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Motivation
Currently we use
get_cffor reading codes, which internally callsget_pinned_cfand copies the result. This copying takes up 6% of code reading time.Description
Since data needs to be deserialized first, we could use a borrowed value and avoid this copy by calling
get_pinned_cfdirectly.