[software] JOURNAL: Preapre matmul benchmark #1076

Job	Run time
tc-llvm	4m 40s
tc-gcc	2m 49s
check-opcodes	5s
riscv-isa-sim	11s
verilator	24s
verilator-model (minpool)	2m 42s
verilator-model (mempool)	17m 44s
build-apps-omp (minpool)	38s
build-apps-omp (mempool)	38s
build-apps-gcc (minpool)	52s
build-apps-gcc (mempool)	1m 6s
check-bootrom	21s
tc-halide	19s
build-apps-llvm (minpool)	1m 23s
build-apps-llvm (mempool)	1m 14s
build-apps-halide (minpool)	1m 6s
build-apps-halide (mempool)	1m 7s
unit-test	1m 42s
run-apps-halide (minpool)	26s
run-apps-halide (mempool)	2m 51s
run-apps-gcc	0s
run-apps-llvm	0s
clean-up	2s
clean-up-compile-runs (minpool)	2s
clean-up-compile-runs (mempool)	2s
	42m 24s

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