Source code: oil/benchmarks/gc-cachegrind.sh
| million irefs | sh path | shell runtime opts |
| 43.7 | bash | - |
| 25.9 | _bin/cxx-opt+bumpleak/osh | mut |
| 37.8 | _bin/cxx-opt+bumproot/osh | mut |
| 41.3 | _bin/cxx-opt+bumpsmall/osh | mut+alloc |
| 45.1 | _bin/cxx-opt/osh | mut+alloc |
| 48.1 | _bin/cxx-opt/osh | mut+alloc+free |
| 54.7 | _bin/cxx-opt/osh | mut+alloc+free+gc |
| 70.3 | _bin/cxx-opt+nopool/osh | mut+alloc |
| 78.3 | _bin/cxx-opt+nopool/osh | mut+alloc+free+gc |
| million irefs | sh path | shell runtime opts |
| 24.0 | bash | - |
| 18.7 | _bin/cxx-opt+bumpleak/osh | mut |
| 28.4 | _bin/cxx-opt+bumproot/osh | mut |
| 30.3 | _bin/cxx-opt+bumpsmall/osh | mut+alloc |
| 32.9 | _bin/cxx-opt/osh | mut+alloc |
| 34.7 | _bin/cxx-opt/osh | mut+alloc+free |
| 33.9 | _bin/cxx-opt/osh | mut+alloc+free+gc |
| 49.6 | _bin/cxx-opt+nopool/osh | mut+alloc |
| 49.2 | _bin/cxx-opt+nopool/osh | mut+alloc+free+gc |