Add a simple batch allocator #22153

Job	Run time
manifest-check	2m 43s
LP64-WIP	3m 50s
build-windows (imx8 imx8x imx8m imx8ulp)	13m 46s
build-windows (mtl lnl)	11m 52s
build-windows (ptl)	11m 48s
build-linux (zmain, imx8 imx8x imx8m imx8ulp)	6m 40s
build-windows (tgl tgl-h)	11m 10s
build-linux (mnfst, wcl imx95)	6m 38s
build-windows (-d, lnl)	9m 13s
build-linux (zmain, mtl lnl)	5m 33s
build-linux (mnfst, imx8 imx8x imx8m imx8ulp)	6m 41s
build-linux (-d, mnfst, lnl)	4m 0s
build-linux (mnfst, tgl tgl-h)	5m 31s
build-linux (mnfst, ptl)	5m 32s
build-linux (mnfst, mtl lnl)	5m 54s
build-linux (zmain, tgl tgl-h)	5m 18s
build-linux (zmain, ptl)	5m 35s
compare-linux-win	27s
	2h 2m 11s

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