forked from forks/go-ethereum
5606cbc710
Updates the libsecp256k1 dependency to commit: c0d9480fbbf8eccbd4be23ed27f6f2af6f3b211e PR: ``` BenchmarkSign-24 57756 21214 ns/op 164 B/op 3 allocs/op BenchmarkRecover-24 37156 33044 ns/op 80 B/op 1 allocs/op BenchmarkEcrecoverSignature-24 36889 32935 ns/op 80 B/op 1 allocs/op BenchmarkVerifySignature-24 41163 29207 ns/op 0 B/op 0 allocs/op BenchmarkDecompressPubkey-24 318624 4062 ns/op 304 B/op 6 allocs/op ``` Master: ``` BenchmarkSign-24 34509 35330 ns/op 164 B/op 3 allocs/op BenchmarkRecover-24 25418 47725 ns/op 80 B/op 1 allocs/op BenchmarkEcrecoverSignature-24 25735 47591 ns/op 80 B/op 1 allocs/op BenchmarkVerifySignature-24 29108 41097 ns/op 0 B/op 0 allocs/op BenchmarkDecompressPubkey-24 294747 4143 ns/op 304 B/op 6 allocs/op ``` Performance seems to be improved significantly: ``` Sign-24 34.86µ ± 3% 21.66µ ± 2% -37.86% (p=0.000 n=10) Recover-24 46.14µ ± 3% 33.24µ ± 2% -27.95% (p=0.000 n=10) ```
24 lines
685 B
CMake
24 lines
685 B
CMake
include(CheckCCompilerFlag)
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function(secp256k1_check_c_flags_internal flags output)
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string(MAKE_C_IDENTIFIER "${flags}" result)
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string(TOUPPER "${result}" result)
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set(result "C_SUPPORTS_${result}")
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if(NOT MSVC)
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set(CMAKE_REQUIRED_FLAGS "-Werror")
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endif()
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# This avoids running a linker.
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set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
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check_c_compiler_flag("${flags}" ${result})
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set(${output} ${${result}} PARENT_SCOPE)
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endfunction()
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# Append flags to the COMPILE_OPTIONS directory property if CC accepts them.
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macro(try_append_c_flags)
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secp256k1_check_c_flags_internal("${ARGV}" result)
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if(result)
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add_compile_options(${ARGV})
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endif()
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endmacro()
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