Source code: oil/benchmarks/gc-cachegrind.sh
| million irefs | sh path | shell runtime opts |
| 43.7 | bash | - |
| 37.3 | _bin/cxx-opt+bumpleak/osh | mut |
| 50.5 | _bin/cxx-opt+bumproot/osh | mut |
| 66.8 | _bin/cxx-opt+bumpsmall/osh | mut+alloc |
| 69.7 | _bin/cxx-opt/osh | mut+alloc |
| 81.0 | _bin/cxx-opt/osh | mut+alloc+free |
| 87.4 | _bin/cxx-opt/osh | mut+alloc+free+gc |
| 85.1 | _bin/cxx-opt+nopool/osh | mut+alloc |
| 102.3 | _bin/cxx-opt+nopool/osh | mut+alloc+free+gc |
| million irefs | sh path | shell runtime opts |
| 24.0 | bash | - |
| 34.3 | _bin/cxx-opt+bumpleak/osh | mut |
| 45.4 | _bin/cxx-opt+bumproot/osh | mut |
| 55.4 | _bin/cxx-opt+bumpsmall/osh | mut+alloc |
| 59.3 | _bin/cxx-opt/osh | mut+alloc |
| 66.9 | _bin/cxx-opt/osh | mut+alloc+free |
| 59.1 | _bin/cxx-opt/osh | mut+alloc+free+gc |
| 82.8 | _bin/cxx-opt+nopool/osh | mut+alloc |
| 77.4 | _bin/cxx-opt+nopool/osh | mut+alloc+free+gc |