Source code: oil/benchmarks/gc-cachegrind.sh
| million irefs | sh path | shell runtime opts |
| 43.7 | bash | - |
| 26.6 | _bin/cxx-opt+bumpleak/osh | mut |
| 38.6 | _bin/cxx-opt+bumproot/osh | mut |
| 41.9 | _bin/cxx-opt+bumpsmall/osh | mut+alloc |
| 45.8 | _bin/cxx-opt/osh | mut+alloc |
| 48.8 | _bin/cxx-opt/osh | mut+alloc+free |
| 55.3 | _bin/cxx-opt/osh | mut+alloc+free+gc |
| 70.8 | _bin/cxx-opt+nopool/osh | mut+alloc |
| 78.9 | _bin/cxx-opt+nopool/osh | mut+alloc+free+gc |
| million irefs | sh path | shell runtime opts |
| 24.0 | bash | - |
| 30.2 | _bin/cxx-opt+bumpleak/osh | mut |
| 40.2 | _bin/cxx-opt+bumproot/osh | mut |
| 42.5 | _bin/cxx-opt+bumpsmall/osh | mut+alloc |
| 45.1 | _bin/cxx-opt/osh | mut+alloc |
| 47.1 | _bin/cxx-opt/osh | mut+alloc+free |
| 45.5 | _bin/cxx-opt/osh | mut+alloc+free+gc |
| 61.6 | _bin/cxx-opt+nopool/osh | mut+alloc |
| 60.7 | _bin/cxx-opt+nopool/osh | mut+alloc+free+gc |