Add a simple batch allocator #22140

Job	Run time
LP64-WIP	3m 54s
manifest-check	2m 55s
build-windows (mtl lnl)	12m 12s
build-windows (-d, lnl)	10m 8s
build-windows (ptl)	18m 42s
build-windows (imx8 imx8x imx8m imx8ulp)	16m 36s
build-linux (zmain, imx8 imx8x imx8m imx8ulp)	6m 45s
build-windows (tgl tgl-h)	10m 44s
build-linux (mnfst, imx8 imx8x imx8m imx8ulp)	6m 30s
build-linux (zmain, mtl lnl)	5m 44s
build-linux (-d, mnfst, lnl)	4m 27s
build-linux (mnfst, wcl imx95)	7m 0s
build-linux (zmain, tgl tgl-h)	5m 10s
build-linux (zmain, ptl)	5m 45s
build-linux (mnfst, tgl tgl-h)	5m 35s
build-linux (mnfst, mtl lnl)	5m 49s
build-linux (mnfst, ptl)	5m 54s
compare-linux-win	30s
	2h 14m 20s

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