| Time | Implementation | Compiler | Benchmark date | SUPERCOP version |
|---|
| 5606109 | ref-karatsuba | gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv | 20160728 | 20160724 |
| 5858748 | ref-karatsuba | gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv | 20160728 | 20160724 |
| 6266115 | ref-karatsuba | gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv | 20160728 | 20160724 |
| 8332549 | ref-karatsuba | clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments | 20160728 | 20160724 |
| 8419704 | ref-karatsuba | gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv | 20160728 | 20160724 |