Merge branch 'fork_slf' into 'main'

hercules_ir/src/einsum.rs

hercules_ir/src/ir.rs

hercules_opt/src/editor.rs

hercules_opt/src/simplify_cfg.rs

hercules_opt/src/slf.rs

hercules_opt/src/utils.rs

juno_samples/fork_join_tests/src/cpu.sch

juno_samples/fork_join_tests/src/fork_join_tests.jn

juno_samples/fork_join_tests/src/gpu.sch

juno_samples/fork_join_tests/src/main.rs

juno_scheduler/src/compile.rs

juno_scheduler/src/default.rs

juno_scheduler/src/ir.rs

juno_scheduler/src/pm.rs