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‎.gitignore‎

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.DS_Store
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*.out
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ecloop
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bench

‎LICENSE‎

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MIT License
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Copyright (c) 2024 vladkens
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.

‎Makefile‎

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CLANG_FLAGS ?= -O3
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ifeq ($(shell uname -m),x86_64)
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CLANG_FLAGS += -msse4.1 -msha
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endif
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default:
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@make build
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./ecloop -i data/btc-puzzles-hash -t 1 -r 800000:ffffff
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build: clean
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@clang $(CLANG_FLAGS) main.c -o ecloop
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bench: clean
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@clang $(CLANG_FLAGS) bench.c -o ./bench && ./bench
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clean:
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@rm -rf ecloop bench main a.out *.profraw *.profdata

‎bench.c‎

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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include "lib/addr.c"
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#include "lib/ec64.c"
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void print_res(char *label, clock_t stime, u64 iters) {
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double dt = ((double)(clock() - stime)) / CLOCKS_PER_SEC;
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printf("%20s: %.2fM it/s ~ %.2f s\n", label, iters / dt / 1000000, dt);
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}
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int main() {
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clock_t stime;
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u64 iters;
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pe g;
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fe f;
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// jacobian coordinates
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iters = 1000 * 1000 * 10;
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pe_clone(&g, &G2);
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stime = clock();
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for (u64 i = 0; i < iters; ++i) _ec_jacobi_add1(&g, &g, &G1);
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print_res("_ec_jacobi_add1", stime, iters);
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pe_clone(&g, &G2);
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stime = clock();
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for (u64 i = 0; i < iters; ++i) _ec_jacobi_add2(&g, &g, &G1);
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print_res("_ec_jacobi_add2", stime, iters);
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pe_clone(&g, &G2);
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stime = clock();
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for (u64 i = 0; i < iters; ++i) _ec_jacobi_dbl1(&g, &g);
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print_res("_ec_jacobi_dbl1", stime, iters);
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pe_clone(&g, &G2);
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stime = clock();
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for (u64 i = 0; i < iters; ++i) _ec_jacobi_dbl2(&g, &g);
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print_res("_ec_jacobi_dbl2", stime, iters);
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// montgomery ladder
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iters = 1000 * 50;
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pe_clone(&g, &G2);
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fe_set64(f, 0);
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f[0] = ((u64)2 << 63) - 1;
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f[2] = ((u64)2 << 31) - 1;
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stime = clock();
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for (u64 i = 0; i < iters; ++i) ec_jacobi_mul(&g, &g, f);
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print_res("ec_jacobi_mul", stime, iters);
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// affine coordinates
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iters = 1000 * 500;
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pe_clone(&g, &G2);
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stime = clock();
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for (u64 i = 0; i < iters; ++i) ec_affine_add(&g, &g, &G1);
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print_res("ec_affine_add", stime, iters);
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pe_clone(&g, &G2);
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stime = clock();
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for (u64 i = 0; i < iters; ++i) ec_affine_dbl(&g, &g);
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print_res("ec_affine_dbl", stime, iters);
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// modular inversion
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iters = 1000 * 100;
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for (u64 i = 0; i < iters; ++i) _fe_modinv_binpow(f, g.x);
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print_res("_fe_modinv_binpow", stime, iters);
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for (u64 i = 0; i < iters; ++i) _fe_modinv_addchn(f, g.x);
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print_res("_fe_modinv_addchn", stime, iters);
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}

‎data/btc-puzzles-addr‎

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