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https://igit.ific.uv.es/alramos/latticegpu.jl.git
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Alberto Ramos
parent
c378648508
commit
76d0b66b4b
9 changed files with 515 additions and 322 deletions
189
src/YM/YMact.jl
189
src/YM/YMact.jl
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@ -12,68 +12,171 @@
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function krnl_plaq!(plx, U, ipl, lp::SpaceParm)
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id1, id2 = lp.plidx[ipl]
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X = map2latt((CUDA.threadIdx().x,CUDA.threadIdx().y,CUDA.threadIdx().z),
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(CUDA.blockIdx().x,CUDA.blockIdx().y,CUDA.blockIdx().z))
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Xu1 = up(X, id1, lp)
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Xu2 = up(X, id2, lp)
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b, r = CUDA.threadIdx().x, CUDA.blockIdx().x
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bu1, ru1 = up((b, r), id1, lp)
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bu2, ru2 = up((b, r), id2, lp)
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@inbounds plx[X] = tr(U[X, id1]*U[Xu1, id2] / (U[X, id2]*U[Xu2, id1]))
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@inbounds plx[b, r] = tr(U[b,r,id1]*U[bu1,ru1,id2] / (U[b,r,id2]*U[bu2,ru2,id1]))
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return nothing
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end
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function krnl_plaq!(plx, U, lp::SpaceParm)
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X = map2latt((CUDA.threadIdx().x,CUDA.threadIdx().y,CUDA.threadIdx().z),
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(CUDA.blockIdx().x,CUDA.blockIdx().y,CUDA.blockIdx().z))
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b, r = CUDA.threadIdx().x, CUDA.blockIdx().x
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if (b < 1) || (b > lp.bsz)
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@cuprintln("Error b: %b, %r")
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end
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if (r < 1) || (r > lp.rsz)
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@cuprintln("Error r: %b, %r")
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end
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@inbounds plx[X] = complex(0.0)
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plx[b,r] = complex(0.0)
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for ipl in 1:lp.npls
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id1, id2 = lp.plidx[ipl]
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bu1, ru1 = up((b, r), id1, lp)
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bu2, ru2 = up((b, r), id2, lp)
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if (bu1 < 1) || (bu1 > lp.bsz)
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@cuprintln("Error bu1: %b, %r, %id1")
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end
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if (ru1 < 1) || (ru1 > lp.rsz)
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@cuprintln("Error ru1: %b, %r, %id1")
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end
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if (bu2 < 1) || (bu2 > lp.bsz)
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@cuprintln("Error bu2: %b, %r, %id2")
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end
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if (ru2 < 1) || (ru2 > lp.rsz)
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@cuprintln("Error ru2: %b, %r, %id2")
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end
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plx[b,r] += tr(U[r,id1,b]*U[bu1,id2,ru1] / (U[b,id2,r]*U[bu2,id1,ru2]))
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end
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return nothing
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end
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function krnl_force_wilson_pln!(frc1, frc2, U, ipl, lp::SpaceParm)
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b, r = CUDA.threadIdx().x, CUDA.blockIdx().x
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@inbounds begin
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id1, id2 = lp.plidx[ipl]
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bu1, ru1 = up((b, r), id1, lp)
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bu2, ru2 = up((b, r), id2, lp)
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g1 = U[bu1,id2,ru1]/U[bu2,id1,ru2]
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g2 = U[b,id2,r]\U[b,id1,r]
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F1 = projalg(U[b,id1,r]*g1/U[b,id2,r])
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F2 = projalg(g1*g2)
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F3 = projalg(g2*g1)
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frc1[b ,r,id1 ] -= F1
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frc1[b ,r,id2 ] += F1
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frc2[bu1,ru1,id2] -= F2
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frc2[bu2,ru2,id1] += F3
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end
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return nothing
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end
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function krnl_force_wilson_nw!(fpl, U, lp::SpaceParm)
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b = CUDA.threadIdx().x
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ipl = mod1(CUDA.blockIdx().x, lp.npls)
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r = div(CUDA.blockIdx().x-1, lp.npls)+1
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@inbounds begin #for ipl in 1:lp.npls
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id1, id2 = lp.plidx[ipl]
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bu1, ru1 = up((b, r), id1, lp)
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bu2, ru2 = up((b, r), id2, lp)
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g1 = U[bu1,id2,ru1]/U[bu2,id1,ru2]
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g2 = U[b,id2,r]\U[b,id1,r]
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F1 = projalg(U[b,id1,r]*g1/U[b,id2,r])
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F2 = projalg(g1*g2)
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F3 = projalg(g2*g1)
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fpl[b ,ipl, r ,1,1] = -F1
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fpl[b ,ipl, r ,2,1] = F1
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fpl[bu1,ipl, ru1,2,2] = -F2
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fpl[bu2,ipl, ru2,1,2] = F3
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end
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return nothing
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end
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function krnl_force_wilson!(frc, U, lp::SpaceParm)
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b, r = CUDA.threadIdx().x, CUDA.blockIdx().x
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@inbounds for id1 in 1:lp.ndim
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bu1, ru1, bd1, rd1 = updw((b, r), id1, lp)
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@inbounds for id2 in id1+1:lp.ndim
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bu2, ru2, bd2, rd2 = updw((b, r), id2, lp)
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bud, rud = dw((bu1,ru1), id2, lp)
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bdu, rdu = dw((bu2,ru2), id1, lp)
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F1 = projalg(U[b,id1,r]*U[bu1,id2,ru1]/(U[b,id2,r]*U[bu2,id1,ru2]))
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F2 = projalg((U[b,id2,r]/(U[bd1,id2,rd1]*U[bdu,id1,rdu]))*U[bd1,id1,rd1])
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F3 = projalg((U[bd2,id2,rd2]\U[bd2,id1,rd2])*(U[bud,id2,rud]/U[b,id1,r]))
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frc[b,r,id1] -= F1 - F3
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frc[b,r,id2] += F1 - F2
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end
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end
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return nothing
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end
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function krnl_add_force_plns!(frc, fpl, lp::SpaceParm)
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b, r = CUDA.threadIdx().x, CUDA.blockIdx().x
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@inbounds for ipl in 1:lp.npls
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id1, id2 = lp.plidx[ipl]
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Xu1 = up(X, id1, lp)
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Xu2 = up(X, id2, lp)
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plx[X] += tr(U[X, id1]*U[Xu1, id2] / (U[X, id2]*U[Xu2, id1]))
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end
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return nothing
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end
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function krnl_force_wilson_pln!(frc1, frc2, U, ipl, lp::SpaceParm, gp::GaugeParm)
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X = map2latt((CUDA.threadIdx().x,CUDA.threadIdx().y,CUDA.threadIdx().z),
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(CUDA.blockIdx().x,CUDA.blockIdx().y,CUDA.blockIdx().z))
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id1, id2 = lp.plidx[ipl]
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Xu1 = up(X, id1, lp)
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Xu2 = up(X, id2, lp)
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a = U[Xu1,id2]/U[Xu2,id1]
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b = U[X ,id2]\U[X ,id1]
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F1 = projalg(U[X,id1]*a/U[X,id2])
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F2 = projalg(a*b)
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F3 = projalg(b*a)
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@inbounds begin
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frc1[X ,id1] -= F1
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frc1[X ,id2] += F1
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frc2[Xu1,id2] -= F2
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frc2[Xu2,id1] += F3
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frc[b,r,id1] += fpl[b,ipl,r,1,1] + fpl[b,ipl,r,1,2]
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frc[b,r,id2] += fpl[b,ipl,r,2,1] + fpl[b,ipl,r,2,2]
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end
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return nothing
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end
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function force0_wilson!(frc1, frc2, U, lp::SpaceParm, gp::GaugeParm, kp::KernelParm)
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function force0_wilson_pln!(frc1, frc2, U, lp::SpaceParm)
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zero!(frc1)
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zero!(frc2)
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for ipl in 1:lp.npls
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zero!(frc1, lp)
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zero!(frc2, lp)
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for i in 1:lp.npls
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CUDA.@sync begin
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CUDA.@cuda threads=kp.threads blocks=kp.blocks krnl_force_wilson_pln!(frc1,frc2,U,ipl,lp,gp)
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CUDA.@cuda threads=lp.bsz blocks=lp.rsz krnl_force_wilson_pln!(frc1,frc2,U,i,lp)
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end
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end
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return nothing
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end
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function force0_wilson!(frc1, U, lp::SpaceParm)
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zero!(frc1, lp)
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CUDA.@sync begin
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CUDA.@cuda threads=lp.bsz blocks=lp.rsz krnl_force_wilson!(frc1,U,lp)
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end
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return nothing
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end
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function force0_wilson_nw!(frc1, fpln, U, lp::SpaceParm)
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CUDA.@sync begin
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CUDA.@cuda threads=lp.bsz blocks=lp.rsz*lp.npls krnl_force_wilson_nw!(fpln,U,lp)
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end
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zero!(frc1, lp)
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CUDA.@sync begin
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CUDA.@cuda threads=lp.bsz blocks=lp.rsz krnl_add_force_plns!(frc1, fpln,lp)
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end
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return nothing
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end
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