Simple bank-aware malloc scheme #3354

Job	Run time
ubuntu-20.04 llvm assert=ON rtti=ON	1m 37s
ubuntu-20.04 llvm assert=ON rtti=OFF	1m 34s
ubuntu-20.04 llvm assert=OFF rtti=ON	1m 34s
ubuntu-20.04 llvm assert=OFF rtti=OFF	1m 33s
ubuntu-20.04 gcc assert=ON rtti=ON	3m 52s
ubuntu-20.04 gcc assert=ON rtti=OFF	3m 51s
ubuntu-20.04 gcc assert=OFF rtti=ON	3m 49s
ubuntu-20.04 gcc assert=OFF rtti=OFF	3m 48s
ubuntu-22.04 llvm assert=ON rtti=ON	3m 52s
ubuntu-22.04 llvm assert=ON rtti=OFF	3m 58s
ubuntu-22.04 llvm assert=OFF rtti=ON	3m 55s
ubuntu-22.04 llvm assert=OFF rtti=OFF	3m 50s
ubuntu-22.04 gcc assert=ON rtti=ON	4m 2s
ubuntu-22.04 gcc assert=ON rtti=OFF	3m 52s
ubuntu-22.04 gcc assert=OFF rtti=ON	3m 55s
ubuntu-22.04 gcc assert=OFF rtti=OFF	3m 56s
macos-12 llvm assert=ON rtti=ON	1m 28s
macos-12 llvm assert=ON rtti=OFF	1m 28s
macos-12 llvm assert=OFF rtti=ON	1m 27s
macos-12 llvm assert=OFF rtti=OFF	1m 29s
windows-2019 msvc assert=ON rtti=ON	1m 30s
windows-2019 msvc assert=ON rtti=OFF	1m 29s
windows-2019 msvc assert=OFF rtti=ON	1m 32s
windows-2019 msvc assert=OFF rtti=OFF	1m 34s
	1h 4m 55s

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