DNM: Attempt to avoid copy on read

[bdraco]

This may already be optimized under the hood, but codspeed will tell us

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.74%. Comparing base (0d44b6a) to head (e6dce99).

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #10425      +/-   ##
==========================================
- Coverage   98.76%   98.74%   -0.02%     
==========================================
  Files         122      122              
  Lines       37116    37116              
  Branches     2044     2044              
==========================================
- Hits        36656    36649       -7     
- Misses        320      324       +4     
- Partials      140      143       +3     

Flag	Coverage Δ
CI-GHA	98.63% <100.00%> (-0.02%)	⬇️
OS-Linux	98.32% <100.00%> (-0.02%)	⬇️
OS-Windows	96.19% <100.00%> (-0.07%)	⬇️
OS-macOS	97.44% <100.00%> (-0.01%)	⬇️
Py-3.10.11	97.33% <100.00%> (ø)
Py-3.10.16	97.91% <100.00%> (ø)
Py-3.11.11	97.99% <100.00%> (ø)
Py-3.11.9	97.42% <100.00%> (ø)
Py-3.12.8	98.43% <100.00%> (ø)
Py-3.13.1	98.41% <100.00%> (ø)
Py-3.9.13	96.93% <100.00%> (-0.31%)	⬇️
Py-3.9.21	97.79% <100.00%> (ø)
Py-pypy7.3.16	?
VM-macos	97.44% <100.00%> (-0.01%)	⬇️
VM-ubuntu	98.32% <100.00%> (-0.02%)	⬇️
VM-windows	96.19% <100.00%> (-0.07%)	⬇️

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[codspeed-hq]

CodSpeed Performance Report

Merging #10425 will not alter performance

_{Comparing try_to_avoid_copy_on_read (e6dce99) with master (0d44b6a)}

Summary

✅ 47 untouched benchmarks

[bdraco]

Yeah its already optimized in the bytes join