Decrease Stack Size #1107

Job	Run time
riscv-isa-sim	7m 30s
tc-gcc	46m 52s
tc-llvm	2h 25m 37s
check-opcodes	5s
verilator	8m 34s
verilator-model (minpool)	2m 55s
verilator-model (mempool)	14m 6s
check-bootrom	26s
build-apps-omp (minpool)	40s
build-apps-gcc (minpool)	58s
unit-test	1m 46s
build-apps-omp (mempool)	45s
build-apps-gcc (mempool)	1m 6s
run-apps-gcc (minpool)	33s
run-apps-gcc (mempool)	2m 42s
tc-halide	18m 8s
build-apps-llvm (minpool)	1m 18s
build-apps-llvm (mempool)	1m 22s
run-apps-llvm (minpool)	39s
run-apps-llvm (mempool)	2m 49s
build-apps-halide (minpool)	1m 9s
build-apps-halide (mempool)	1m 29s
run-apps-halide (minpool)	24s
run-apps-halide (mempool)	2m 44s
clean-up-compile-runs (minpool)	4s
clean-up-compile-runs (mempool)	5s
clean-up	3s
	4h 24m 49s

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