| Time | Implementation | Compiler | Benchmark date | SUPERCOP version |
| 4258368 | ref-karatsuba | gcc -funroll-loops -march=loongson2f -mabi=n32 -O2 | 20161221 | 20161026 |
| 4303534 | ref-karatsuba | gcc -funroll-loops -march=loongson2f -mabi=n32 -O3 | 20161221 | 20161026 |
| 5180320 | ref-karatsuba | gcc -march=loongson2f -mabi=n32 -O3 | 20161221 | 20161026 |
| 5207374 | ref-karatsuba | gcc -march=loongson2f -mabi=n32 -O2 | 20161221 | 20161026 |
| 7319648 | ref-karatsuba | gcc -march=loongson2f -mabi=n32 -Os | 20161221 | 20161026 |
| 7783542 | ref-karatsuba | gcc -funroll-loops -march=loongson2f -mabi=n32 -Os | 20161221 | 20161026 |