Redefine transform_reduce's scratch & result mem #8344

Job	Run time
documentation	26s
codespell	11s
clang-format	16s
PSTL offload cpu,bknd=dpcpp,cmplr=icpx,ubuntu-22.04,std=с++17,cfg=release	1m 44s
HOST,bknd=omp,cmplr=icpc,macos-11,std=c++17,cfg=release	14m 34s
CPU,bknd=dpcpp,cmplr=icpx,ubuntu-20.04,std=с++17,cfg=release	2m 20s
HOST,bknd=tbb,cmplr=icx-cl,windows-2019,std=c++17,cfg=release	14m 26s
FPGA_EMU,bknd=dpcpp,cmplr=icpx,ubuntu-20.04,std=с++17,cfg=release	2m 2s
HOST,bknd=tbb,cmplr=cl,windows-2019,std=c++17,cfg=release	14m 24s
HOST,bknd=tbb,cmplr=icpx,ubuntu-20.04,std=с++17,cfg=release	12m 48s
CPU,bknd=dpcpp,cmplr=icx,windows-2019,std=c++17,cfg=release	4m 44s
HOST,bknd=omp,cmplr=icpx,ubuntu-20.04,std=с++17,cfg=release	10m 47s
HOST,bknd=omp,cmplr=g++,ubuntu-latest,std=с++17,cfg=release	6m 43s
HOST,bknd=tbb,cmplr=g++,ubuntu-latest,std=с++17,cfg=release	9m 52s
HOST,bknd=tbb,cmplr=g++,ubuntu-20.04,std=с++17,cfg=release	10m 23s
HOST,bknd=tbb,cmplr=clang++,ubuntu-20.04,std=с++17,cfg=release	11m 7s
HOST,bknd=omp,cmplr=clang++,ubuntu-20.04,std=с++17,cfg=release	8m 2s
HOST,bknd=tbb,cmplr=clang++,ubuntu-latest,std=с++17,cfg=release	12m 32s
HOST,bknd=tbb,cmplr=icpx,ubuntu-20.04,std=с++17,cfg=release	12m 41s
HOST,bknd=serial,cmplr=g++,ubuntu-20.04,std=с++17,cfg=release	5m 18s
	2h 35m 20s

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