| Time | Implementation | Compiler | Benchmark date | SUPERCOP version |
|---|
| 2182728 | ref-karatsuba | clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments | 20160718 | 20160715 |
| 2715016 | ref-karatsuba | gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv | 20160718 | 20160715 |
| 3509848 | ref-karatsuba | gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv | 20160718 | 20160715 |
| 3607692 | ref-karatsuba | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv | 20160718 | 20160715 |
| 5921708 | ref-karatsuba | gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv | 20160718 | 20160715 |