Introducing UltrafastSecp256k1: A Multi-Architecture Exploration of Secp256k1 Optimizations

shrec · March 10, 2026, 8:03pm

more benchmaks can be found here:

docs/BENCHMARKS.md

a7780970e

# Performance Benchmarks

Benchmark results for UltrafastSecp256k1 across all supported platforms.

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## Summary

| Platform | Field Mul | Generator Mul | Scalar Mul | ECDSA Verify | vs libsecp |
|----------|-----------|---------------|------------|-------------|------------|
| **x86-64 (i5-14400F, GCC 14)** | **12.8 ns** | **6.7 us** | **17.6 us** | **21.3 us** | **1.09x** |
| x86-64 (Clang 21, Win) | 17 ns (5x52) | 5 us | 25 us | -- | -- |
| RISC-V 64 (SiFive U74, Clang 21) | 176 ns | 40.2 us | 150.5 us | **181.8 us** | **1.13x** |
| ARM64 (RK3588, A76) | 74 ns | 14 us | 131 us | -- | -- |
| ESP32-S3 (LX7, 240 MHz) | 7,458 ns | 2,483 us | -- | -- | -- |
| ESP32 (LX6, 240 MHz) | 6,993 ns | 6,203 us | -- | -- | -- |
| STM32F103 (CM3, 72 MHz) | 15,331 ns | 37,982 us | -- | -- | -- |
| CUDA (RTX 5060 Ti) | 0.2 ns | 217.7 ns | 225.8 ns | -- | -- |
| OpenCL (RTX 5060 Ti) | 0.2 ns | 295.1 ns | -- | -- | -- |
| Metal (Apple M3 Pro) | 1.9 ns | 3.00 us | 2.94 us | -- | -- |

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