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https://github.com/ethereum/go-ethereum.git
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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) ```
19 lines
581 B
C
19 lines
581 B
C
#ifndef SECP256K1_INT128_NATIVE_H
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#define SECP256K1_INT128_NATIVE_H
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#include <stdint.h>
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#include "util.h"
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#if !defined(UINT128_MAX) && defined(__SIZEOF_INT128__)
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SECP256K1_GNUC_EXT typedef unsigned __int128 uint128_t;
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SECP256K1_GNUC_EXT typedef __int128 int128_t;
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# define UINT128_MAX ((uint128_t)(-1))
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# define INT128_MAX ((int128_t)(UINT128_MAX >> 1))
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# define INT128_MIN (-INT128_MAX - 1)
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/* No (U)INT128_C macros because compilers providing __int128 do not support 128-bit literals. */
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#endif
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typedef uint128_t secp256k1_uint128;
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typedef int128_t secp256k1_int128;
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#endif
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