crypto/bn256: default to gnark

[kevaundray]

No description provided.

[jwasinger]

Benchmarks of this PR on M2 MBP (arm):

BenchmarkPrecompiledBn256Add/chfast1-Gas=150-12 792328 1463 ns/op 150.0 gas/op 102.5 mgas/s 64 B/op 1 allocs/op BenchmarkPrecompiledBn256Add/chfast2-Gas=150-12 795624 1482 ns/op 150.0 gas/op 101.2 mgas/s 64 B/op 1 allocs/op BenchmarkPrecompiledBn256Add/cdetrio1-Gas=150-12 4020206 302.4 ns/op 150.0 gas/op 496.1 mgas/s 64 B/op 1 allocs/op BenchmarkPrecompiledBn256Add/cdetrio2-Gas=150-12 3812008 318.1 ns/op 150.0 gas/op 471.6 mgas/s 128 B/op 2 allocs/op BenchmarkPrecompiledBn256Add/cdetrio3-Gas=150-12 3670334 317.8 ns/op 150.0 gas/op 471.9 mgas/s 128 B/op 2 allocs/op BenchmarkPrecompiledBn256Add/cdetrio4-Gas=150-12 3609680 331.8 ns/op 150.0 gas/op 452.1 mgas/s 192 B/op 3 allocs/op BenchmarkPrecompiledBn256Add/cdetrio5-Gas=150-12 3991012 298.7 ns/op 150.0 gas/op 502.1 mgas/s 64 B/op 1 allocs/op BenchmarkPrecompiledBn256Add/cdetrio6-Gas=150-12 3630218 330.9 ns/op 150.0 gas/op 453.3 mgas/s 64 B/op 1 allocs/op BenchmarkPrecompiledBn256Add/cdetrio7-Gas=150-12 3614862 329.3 ns/op 150.0 gas/op 455.6 mgas/s 64 B/op 1 allocs/op BenchmarkPrecompiledBn256Add/cdetrio8-Gas=150-12 3489369 343.6 ns/op 150.0 gas/op 436.5 mgas/s 128 B/op 2 allocs/op BenchmarkPrecompiledBn256Add/cdetrio9-Gas=150-12 3554090 331.8 ns/op 150.0 gas/op 452.1 mgas/s 64 B/op 1 allocs/op BenchmarkPrecompiledBn256Add/cdetrio10-Gas=150-12 3640299 329.8 ns/op 150.0 gas/op 454.8 mgas/s 64 B/op 1 allocs/op BenchmarkPrecompiledBn256Add/cdetrio11-Gas=150-12 766395 1515 ns/op 150.0 gas/op 99.00 mgas/s 64 B/op 1 allocs/op BenchmarkPrecompiledBn256Add/cdetrio12-Gas=150-12 779530 1518 ns/op 150.0 gas/op 98.81 mgas/s 64 B/op 1 allocs/op BenchmarkPrecompiledBn256Add/cdetrio13-Gas=150-12 801121 1504 ns/op 150.0 gas/op 99.75 mgas/s 64 B/op 1 allocs/op BenchmarkPrecompiledBn256Add/cdetrio14-Gas=150-12 3757437 317.2 ns/op 150.0 gas/op 472.8 mgas/s 64 B/op 1 allocs/op BenchmarkPrecompiledBn256ScalarMul/chfast1-Gas=6000-12 62271 19149 ns/op 6000 gas/op 313.3 mgas/s 328 B/op 5 allocs/op BenchmarkPrecompiledBn256ScalarMul/chfast2-Gas=6000-12 33004 36028 ns/op 6000 gas/op 166.5 mgas/s 544 B/op 7 allocs/op BenchmarkPrecompiledBn256ScalarMul/chfast3-Gas=6000-12 33939 35323 ns/op 6000 gas/op 169.8 mgas/s 544 B/op 7 allocs/op BenchmarkPrecompiledBn256ScalarMul/cdetrio1-Gas=6000-12 31046 38428 ns/op 6000 gas/op 156.1 mgas/s 576 B/op 7 allocs/op BenchmarkPrecompiledBn256ScalarMul/cdetrio6-Gas=6000-12 31027 38713 ns/op 6000 gas/op 155.0 mgas/s 576 B/op 7 allocs/op BenchmarkPrecompiledBn256ScalarMul/cdetrio11-Gas=6000-12 30328 38724 ns/op 6000 gas/op 154.9 mgas/s 576 B/op 7 allocs/op BenchmarkPrecompiledBn256Pairing/jeff1-Gas=113000-12 1407 845678 ns/op 113000 gas/op 133.6 mgas/s 1856 B/op 16 allocs/op BenchmarkPrecompiledBn256Pairing/jeff2-Gas=113000-12 1400 842764 ns/op 113000 gas/op 134.1 mgas/s 1856 B/op 16 allocs/op BenchmarkPrecompiledBn256Pairing/jeff3-Gas=113000-12 1377 847719 ns/op 113000 gas/op 133.3 mgas/s 1856 B/op 16 allocs/op BenchmarkPrecompiledBn256Pairing/jeff4-Gas=147000-12 1050 1089662 ns/op 147000 gas/op 134.9 mgas/s 2824 B/op 21 allocs/op BenchmarkPrecompiledBn256Pairing/jeff5-Gas=147000-12 1095 1091265 ns/op 147000 gas/op 134.7 mgas/s 2824 B/op 21 allocs/op BenchmarkPrecompiledBn256Pairing/jeff6-Gas=113000-12 1413 866943 ns/op 113000 gas/op 130.3 mgas/s 1856 B/op 16 allocs/op BenchmarkPrecompiledBn256Pairing/empty_data-Gas=45000-12	100000000 11.21 ns/op 45000 gas/op 4014901 mgas/s 0 B/op 0 allocs/op BenchmarkPrecompiledBn256Pairing/one_point-Gas=79000-12 1923 597025 ns/op 79000 gas/op 132.3 mgas/s 920 B/op 11 allocs/op BenchmarkPrecompiledBn256Pairing/two_point_match_2-Gas=113000-12 2392 498038 ns/op 113000 gas/op 226.9 mgas/s 1856 B/op 16 allocs/op BenchmarkPrecompiledBn256Pairing/two_point_match_3-Gas=113000-12 1418 1052368 ns/op 113000 gas/op 107.4 mgas/s 1856 B/op 16 allocs/op BenchmarkPrecompiledBn256Pairing/two_point_match_4-Gas=113000-12 1381 858369 ns/op 113000 gas/op 131.6 mgas/s 1856 B/op 16 allocs/op BenchmarkPrecompiledBn256Pairing/ten_point_match_1-Gas=385000-12 540 2189400 ns/op 385000 gas/op 175.8 mgas/s 9664 B/op 46 allocs/op BenchmarkPrecompiledBn256Pairing/ten_point_match_2-Gas=385000-12 453 2686634 ns/op 385000 gas/op 143.3 mgas/s 9664 B/op 46 allocs/op BenchmarkPrecompiledBn256Pairing/ten_point_match_3-Gas=113000-12 1416 868058 ns/op 113000 gas/op 130.2 mgas/s 1856 B/op 16 allocs/op 

Benchmarks on master:

BenchmarkPrecompiledBn256Add/chfast1-Gas=150-12 172806 6888 ns/op 150.0 gas/op 21.77 mgas/s 768 B/op 14 allocs/op BenchmarkPrecompiledBn256Add/chfast2-Gas=150-12 172438 6938 ns/op 150.0 gas/op 21.61 mgas/s 768 B/op 14 allocs/op BenchmarkPrecompiledBn256Add/cdetrio1-Gas=150-12 3203986 367.0 ns/op 150.0 gas/op 408.7 mgas/s 608 B/op 9 allocs/op BenchmarkPrecompiledBn256Add/cdetrio2-Gas=150-12 3123658 384.0 ns/op 150.0 gas/op 390.6 mgas/s 672 B/op 10 allocs/op BenchmarkPrecompiledBn256Add/cdetrio3-Gas=150-12 3121344 386.7 ns/op 150.0 gas/op 387.9 mgas/s 672 B/op 10 allocs/op BenchmarkPrecompiledBn256Add/cdetrio4-Gas=150-12 2984788 399.6 ns/op 150.0 gas/op 375.4 mgas/s 736 B/op 11 allocs/op BenchmarkPrecompiledBn256Add/cdetrio5-Gas=150-12 3275545 367.8 ns/op 150.0 gas/op 407.9 mgas/s 608 B/op 9 allocs/op BenchmarkPrecompiledBn256Add/cdetrio6-Gas=150-12 2454954 487.9 ns/op 150.0 gas/op 307.4 mgas/s 608 B/op 9 allocs/op BenchmarkPrecompiledBn256Add/cdetrio7-Gas=150-12 2454031 488.8 ns/op 150.0 gas/op 306.9 mgas/s 608 B/op 9 allocs/op BenchmarkPrecompiledBn256Add/cdetrio8-Gas=150-12 2388044 514.3 ns/op 150.0 gas/op 291.6 mgas/s 672 B/op 10 allocs/op BenchmarkPrecompiledBn256Add/cdetrio9-Gas=150-12 2436228 511.0 ns/op 150.0 gas/op 293.5 mgas/s 608 B/op 9 allocs/op BenchmarkPrecompiledBn256Add/cdetrio10-Gas=150-12 2403188 490.6 ns/op 150.0 gas/op 305.8 mgas/s 608 B/op 9 allocs/op BenchmarkPrecompiledBn256Add/cdetrio11-Gas=150-12 171998 6964 ns/op 150.0 gas/op 21.53 mgas/s 768 B/op 14 allocs/op BenchmarkPrecompiledBn256Add/cdetrio12-Gas=150-12 171207 7010 ns/op 150.0 gas/op 21.39 mgas/s 768 B/op 14 allocs/op BenchmarkPrecompiledBn256Add/cdetrio13-Gas=150-12 168226 7251 ns/op 150.0 gas/op 20.68 mgas/s 768 B/op 14 allocs/op BenchmarkPrecompiledBn256Add/cdetrio14-Gas=150-12 1366881 848.6 ns/op 150.0 gas/op 176.8 mgas/s 736 B/op 13 allocs/op BenchmarkPrecompiledBn256ScalarMul/chfast1-Gas=6000-12 24404 48673 ns/op 6000 gas/op 123.3 mgas/s 1280 B/op 25 allocs/op BenchmarkPrecompiledBn256ScalarMul/chfast2-Gas=6000-12 22874 52393 ns/op 6000 gas/op 114.5 mgas/s 1472 B/op 26 allocs/op BenchmarkPrecompiledBn256ScalarMul/chfast3-Gas=6000-12 23649 50233 ns/op 6000 gas/op 119.4 mgas/s 1472 B/op 26 allocs/op BenchmarkPrecompiledBn256ScalarMul/cdetrio1-Gas=6000-12 22485 57409 ns/op 6000 gas/op 104.5 mgas/s 1504 B/op 26 allocs/op BenchmarkPrecompiledBn256ScalarMul/cdetrio6-Gas=6000-12 21655 53060 ns/op 6000 gas/op 113.1 mgas/s 1504 B/op 26 allocs/op BenchmarkPrecompiledBn256ScalarMul/cdetrio11-Gas=6000-12 22491 53986 ns/op 6000 gas/op 111.1 mgas/s 1504 B/op 26 allocs/op BenchmarkPrecompiledBn256Pairing/jeff1-Gas=113000-12 840 1428096 ns/op 113000 gas/op 79.12 mgas/s 84529 B/op 774 allocs/op BenchmarkPrecompiledBn256Pairing/jeff2-Gas=113000-12 834 1429250 ns/op 113000 gas/op 79.05 mgas/s 84529 B/op 774 allocs/op BenchmarkPrecompiledBn256Pairing/jeff3-Gas=113000-12 850 1413788 ns/op 113000 gas/op 79.92 mgas/s 84529 B/op 774 allocs/op BenchmarkPrecompiledBn256Pairing/jeff4-Gas=147000-12 639 1888542 ns/op 147000 gas/op 77.83 mgas/s 126561 B/op 1158 allocs/op BenchmarkPrecompiledBn256Pairing/jeff5-Gas=147000-12 639 1861790 ns/op 147000 gas/op 78.95 mgas/s 126561 B/op 1158 allocs/op BenchmarkPrecompiledBn256Pairing/jeff6-Gas=113000-12 853 1392420 ns/op 113000 gas/op 81.14 mgas/s 84497 B/op 773 allocs/op BenchmarkPrecompiledBn256Pairing/empty_data-Gas=45000-12 2448 464451 ns/op 45000 gas/op 96.88 mgas/s 544 B/op 6 allocs/op BenchmarkPrecompiledBn256Pairing/one_point-Gas=79000-12 1240 953811 ns/op 79000 gas/op 82.82 mgas/s 42496 B/op 389 allocs/op BenchmarkPrecompiledBn256Pairing/two_point_match_2-Gas=113000-12 836 1410534 ns/op 113000 gas/op 80.10 mgas/s 84529 B/op 774 allocs/op BenchmarkPrecompiledBn256Pairing/two_point_match_3-Gas=113000-12 837 1421547 ns/op 113000 gas/op 79.48 mgas/s 84529 B/op 774 allocs/op BenchmarkPrecompiledBn256Pairing/two_point_match_4-Gas=113000-12 837 1417557 ns/op 113000 gas/op 79.71 mgas/s 84529 B/op 774 allocs/op BenchmarkPrecompiledBn256Pairing/ten_point_match_1-Gas=385000-12 231 5143678 ns/op 385000 gas/op 74.84 mgas/s 420726 B/op 3836 allocs/op BenchmarkPrecompiledBn256Pairing/ten_point_match_2-Gas=385000-12 230 5297139 ns/op 385000 gas/op 72.67 mgas/s 420727 B/op 3836 allocs/op BenchmarkPrecompiledBn256Pairing/ten_point_match_3-Gas=113000-12 840 1424706 ns/op 113000 gas/op 79.31 mgas/s 84529 B/op 774 allocs/op 

[jwasinger]

this was merged in #32026

[MariusVanDerWijden]

@jwasinger I only merged it into the performance branch, we should keep this PR to merge it into master

[MariusVanDerWijden]

LGTM