| Time | Implementation | Compiler | Benchmark date | SUPERCOP version |
| 3080064 | ref-karatsuba | gcc -funroll-loops -march=loongson2f -mabi=n32 -O2 | 20161221 | 20161026 |
| 3081782 | ref-karatsuba | gcc -funroll-loops -march=loongson2f -mabi=n32 -O3 | 20161221 | 20161026 |
| 3362070 | ref-karatsuba | gcc -march=loongson2f -mabi=n32 -O3 | 20161221 | 20161026 |
| 3368602 | ref-karatsuba | gcc -march=loongson2f -mabi=n32 -O2 | 20161221 | 20161026 |
| 4730058 | ref-karatsuba | gcc -funroll-loops -march=loongson2f -mabi=n32 -Os | 20161221 | 20161026 |
| 4824598 | ref-karatsuba | gcc -march=loongson2f -mabi=n32 -Os | 20161221 | 20161026 |