Performance improvements for fixed resolution buffer #748

Job	Run time
initial_checks / Load tox environments	5s
initial_checks / codestyle (ubuntu-latest)	19s
tests / Load tox environments	4s
tests / py38-test-lts-all (ubuntu-latest)	1m 43s
tests / py39-test (ubuntu-latest)	1m 35s
tests / py310-test-all (ubuntu-latest)	1m 45s
tests / py311-test (ubuntu-latest)	1m 35s
tests / py312-test-all (ubuntu-latest)	2m 16s
tests / py38-docs (ubuntu-latest)	4m 0s
tests / py311-docs (macos-latest)	1m 58s
tests / py38-test-all (macos-12)	2m 29s
tests / py39-test (macos-12)	2m 35s
tests / py310-test-all (macos-latest)	1m 36s
tests / py311-test (macos-latest)	1m 15s
tests / py312-test-all (macos-latest)	1m 41s
tests / py38-test (windows-latest)	2m 22s
tests / py39-test (windows-latest)	2m 31s
tests / py310-test-dev-all (ubuntu-latest)	2m 52s
tests / py311-test-dev (ubuntu-latest)	2m 4s
tests / py312-test-dev-all (ubuntu-latest)	2m 44s
tests / py311-test-dev-all (macos-latest)	2m 16s
tests / py312-test-dev (macos-latest)	1m 56s
tests / py310-test-dev (windows-latest)	3m 14s
publish / Build source and wheel distribution	2m 51s
	47m 46s

Provide feedback