Decoding speedups #1802

Job	Run time
java_matrix	3s
build (ubuntu-latest)	2m 51s
build (macos-latest)	2m 40s
download_test_data	4s
unit_tests (21)	2m 52s
unit_tests (25)	3m 22s
spotbugs	6m 42s
test_decoder	2m 38s
test_clara	4m 12s
dependency_analysis	1m 2s
test_run-groovy	43s
test_coatjava (ubuntu-latest, eb-ep)	1m 58s
test_coatjava (ubuntu-latest, eb-epc)	1m 59s
test_coatjava (ubuntu-latest, eb-enc)	2m 13s
test_coatjava (ubuntu-latest, eb-eg)	1m 54s
test_coatjava (ubuntu-latest, eb-eftpi)	2m 13s
test_coatjava (ubuntu-latest, kpp)	3m 13s
test_coatjava (macos-latest, eb-ep, ./run-eb-tests.sh -100 electronproton)	3m 56s
release_build	0s
generate_documentation	1m 0s
deploy_web_pages	0s
final	4s
	45m 39s

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