215 lines
6.7 KiB
Nim
215 lines
6.7 KiB
Nim
# Constantine
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# Copyright (c) 2018-2019 Status Research & Development GmbH
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# Copyright (c) 2020-Present Mamy André-Ratsimbazafy
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# Licensed and distributed under either of
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# * MIT license (license terms in the root directory or at http://opensource.org/licenses/MIT).
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# * Apache v2 license (license terms in the root directory or at http://www.apache.org/licenses/LICENSE-2.0).
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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# ############################################################
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#
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# Summary of the performance of a curve
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#
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# ############################################################
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import
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# Internals
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../constantine/config/[curves, common],
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../constantine/arithmetic,
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../constantine/towers,
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../constantine/elliptic/[
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ec_shortweierstrass_affine,
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ec_shortweierstrass_projective,
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ec_shortweierstrass_jacobian,
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ec_scalar_mul, ec_endomorphism_accel],
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../constantine/hash_to_curve/cofactors,
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../constantine/pairing/[
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cyclotomic_fp12,
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pairing_bls12,
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pairing_bn
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],
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../constantine/curves/zoo_pairings,
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# Helpers
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../helpers/[prng_unsafe, static_for],
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./bench_blueprint
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export
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ec_shortweierstrass_projective,
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ec_shortweierstrass_jacobian
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export zoo_pairings # generic sandwich https://github.com/nim-lang/Nim/issues/11225
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export notes
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proc separator*() = separator(152)
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proc report(op, domain: string, start, stop: MonoTime, startClk, stopClk: int64, iters: int) =
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let ns = inNanoseconds((stop-start) div iters)
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let throughput = 1e9 / float64(ns)
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when SupportsGetTicks:
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echo &"{op:<35} {domain:<40} {throughput:>15.3f} ops/s {ns:>9} ns/op {(stopClk - startClk) div iters:>9} CPU cycles (approx)"
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else:
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echo &"{op:<35} {domain:<40} {throughput:>15.3f} ops/s {ns:>9} ns/op"
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macro fixEllipticDisplay(T: typedesc): untyped =
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# At compile-time, enums are integers and their display is buggy
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# we get the Curve ID instead of the curve name.
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let instantiated = T.getTypeInst()
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var name = $instantiated[1][0] # EllipticEquationFormCoordinates
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let fieldName = $instantiated[1][1][0]
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let curveName = $Curve(instantiated[1][1][1].intVal)
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name.add "[" & fieldName & "[" & curveName & "]]"
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result = newLit name
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macro fixFieldDisplay(T: typedesc): untyped =
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# At compile-time, enums are integers and their display is buggy
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# we get the Curve ID instead of the curve name.
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let instantiated = T.getTypeInst()
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var name = $instantiated[1][0] # Fp
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name.add "[" & $Curve(instantiated[1][1].intVal) & "]"
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result = newLit name
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func fixDisplay(T: typedesc): string =
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when T is (ECP_ShortW_Prj or ECP_ShortW_Jac or ECP_ShortW_Aff):
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fixEllipticDisplay(T)
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elif T is (Fp or Fp2 or Fp4 or Fp6 or Fp12):
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fixFieldDisplay(T)
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else:
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$T
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func fixDisplay(T: Curve): string =
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$T
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template bench(op: string, T: typed, iters: int, body: untyped): untyped =
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measure(iters, startTime, stopTime, startClk, stopClk, body)
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report(op, fixDisplay(T), startTime, stopTime, startClk, stopClk, iters)
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func clearCofactorReference[F; Tw: static Twisted](
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ec: var ECP_ShortW_Aff[F, Tw]) =
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# For now we don't have any affine operation defined
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var t {.noInit.}: ECP_ShortW_Prj[F, Tw]
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t.projectiveFromAffine(ec)
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t.clearCofactorReference()
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ec.affineFromProjective(t)
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func random_point*(rng: var RngState, EC: typedesc): EC {.noInit.} =
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result = rng.random_unsafe(EC)
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result.clearCofactorReference()
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proc mulBench*(T: typedesc, iters: int) =
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var r: T
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let x = rng.random_unsafe(T)
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let y = rng.random_unsafe(T)
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preventOptimAway(r)
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bench("Multiplication", T, iters):
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r.prod(x, y)
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proc sqrBench*(T: typedesc, iters: int) =
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var r: T
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let x = rng.random_unsafe(T)
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preventOptimAway(r)
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bench("Squaring", T, iters):
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r.square(x)
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proc invBench*(T: typedesc, iters: int) =
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var r: T
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let x = rng.random_unsafe(T)
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preventOptimAway(r)
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bench("Inversion", T, iters):
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r.inv(x)
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proc sqrtBench*(T: typedesc, iters: int) =
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let x = rng.random_unsafe(T)
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bench("Square Root + isSquare", T, iters):
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var r = x
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discard r.sqrt_if_square()
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proc addBench*(T: typedesc, iters: int) =
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const G1_or_G2 = when T.F is Fp: "G1" else: "G2"
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var r {.noInit.}: T
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let P = rng.random_unsafe(T)
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let Q = rng.random_unsafe(T)
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bench("EC Add " & G1_or_G2, T, iters):
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r.sum(P, Q)
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proc mixedAddBench*(T: typedesc, iters: int) =
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const G1_or_G2 = when T.F is Fp: "G1" else: "G2"
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var r {.noInit.}: T
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let P = rng.random_unsafe(T)
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let Q = rng.random_unsafe(T)
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var Qaff: ECP_ShortW_Aff[T.F, T.Tw]
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when Q is ECP_ShortW_Prj:
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Qaff.affineFromProjective(Q)
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else:
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Qaff.affineFromJacobian(Q)
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bench("EC Mixed Addition " & G1_or_G2, T, iters):
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r.madd(P, Qaff)
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proc doublingBench*(T: typedesc, iters: int) =
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const G1_or_G2 = when T.F is Fp: "G1" else: "G2"
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var r {.noInit.}: T
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let P = rng.random_unsafe(T)
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bench("EC Double " & G1_or_G2, T, iters):
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r.double(P)
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proc scalarMulBench*(T: typedesc, iters: int) =
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const bits = T.F.C.getCurveOrderBitwidth()
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const G1_or_G2 = when T.F is Fp: "G1" else: "G2"
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var r {.noInit.}: T
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let P = rng.random_unsafe(T) # TODO: clear cofactor
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let exponent = rng.random_unsafe(BigInt[bits])
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bench("EC ScalarMul " & $bits & "-bit " & G1_or_G2, T, iters):
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r = P
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when T.F is Fp:
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r.scalarMulGLV_m2w2(exponent)
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else:
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r.scalarMulEndo(exponent)
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proc millerLoopBLS12Bench*(C: static Curve, iters: int) =
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let
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P = rng.random_point(ECP_ShortW_Aff[Fp[C], NotOnTwist])
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Q = rng.random_point(ECP_ShortW_Aff[Fp2[C], OnTwist])
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var f: Fp12[C]
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bench("Miller Loop BLS12", C, iters):
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f.millerLoopGenericBLS12(P, Q)
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proc millerLoopBNBench*(C: static Curve, iters: int) =
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let
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P = rng.random_point(ECP_ShortW_Aff[Fp[C], NotOnTwist])
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Q = rng.random_point(ECP_ShortW_Aff[Fp2[C], OnTwist])
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var f: Fp12[C]
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bench("Miller Loop BN", C, iters):
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f.millerLoopGenericBN(P, Q)
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proc finalExpBLS12Bench*(C: static Curve, iters: int) =
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var r = rng.random_unsafe(Fp12[C])
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bench("Final Exponentiation BLS12", C, iters):
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r.finalExpEasy()
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r.finalExpHard_BLS12()
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proc finalExpBNBench*(C: static Curve, iters: int) =
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var r = rng.random_unsafe(Fp12[C])
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bench("Final Exponentiation BN", C, iters):
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r.finalExpEasy()
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r.finalExpHard_BN()
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proc pairingBLS12Bench*(C: static Curve, iters: int) =
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let
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P = rng.random_point(ECP_ShortW_Aff[Fp[C], NotOnTwist])
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Q = rng.random_point(ECP_ShortW_Aff[Fp2[C], OnTwist])
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var f: Fp12[C]
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bench("Pairing BLS12", C, iters):
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f.pairing_bls12(P, Q)
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proc pairingBNBench*(C: static Curve, iters: int) =
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let
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P = rng.random_point(ECP_ShortW_Aff[Fp[C], NotOnTwist])
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Q = rng.random_point(ECP_ShortW_Aff[Fp2[C], OnTwist])
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var f: Fp12[C]
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bench("Pairing BN", C, iters):
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f.pairing_bn(P, Q)
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