- Port field operations assembler from libsecp256k1 (field_amd64.s,
field_amd64_bmi2.s) with MULX/ADCX/ADOX instructions
- Add AVX2 scalar and affine point operations in avx/ package
- Implement CPU feature detection (cpufeatures.go) for AVX2/BMI2
- Add libsecp256k1.so via purego for native C library comparison
- Create comprehensive SIMD benchmark suite comparing btcec, P256K1
pure Go, P256K1 ASM, and libsecp256k1
- Add BENCHMARK_SIMD.md documenting performance across implementations
- Remove BtcecSigner, consolidate on P256K1Signer as primary impl
- Add field operation tests and benchmarks (field_asm_test.go,
field_bench_test.go)
- Update GLV endomorphism with wNAF scalar multiplication
- Add scalar assembly (scalar_amd64.s) for optimized operations
- Clean up dependencies and update benchmark reports
This commit introduces a new test file for context management, covering various scenarios for context creation, destruction, and capabilities. Additionally, it implements the generator multiplication context, enhancing the secp256k1 elliptic curve operations. The changes ensure comprehensive testing and improved functionality for context handling, contributing to the overall robustness of the implementation.
