mirror of
https://igit.ific.uv.es/alramos/latticegpu.jl.git
synced 2025-05-14 19:23:42 +02:00
Added routines to measure flow observables
This commit is contained in:
Alberto Ramos
parent
6104bd7276
commit
7784f1cd1b
5 changed files with 249 additions and 4 deletions
|
|
@ -39,7 +39,7 @@ include("YM/YM.jl")
|
|||
using .YM
|
||||
export YMworkspace, GaugeParm, force0_wilson!, field, field_pln, randomize!, zero!, norm2
|
||||
export gauge_action, hamiltonian, plaquette, HMC!, OMF4!
|
||||
export wfl_euler, wfl_rk3, zfl_euler, zfl_rk3
|
||||
export wfl_euler, wfl_rk3, zfl_euler, zfl_rk3, Eoft_clover, Eoft_plaq, Qtop
|
||||
|
||||
include("Scalar/Scalar.jl")
|
||||
using .Scalar
|
||||
|
|
|
|||
|
|
@ -34,8 +34,8 @@ struct SpaceParm{N,M,D}
|
|||
N == length(y) || throw(ArgumentError("Block size incorrect length for dimension $N"))
|
||||
|
||||
pls = Vector{Tuple{Int64, Int64}}()
|
||||
for i in 1:N
|
||||
for j in i+1:N
|
||||
for i in N:-1:1
|
||||
for j in 1:i-1
|
||||
push!(pls, (i,j))
|
||||
end
|
||||
end
|
||||
|
|
|
|||
|
|
@ -98,6 +98,6 @@ include("YMhmc.jl")
|
|||
export gauge_action, hamiltonian, plaquette, HMC!, OMF4!
|
||||
|
||||
include("YMflow.jl")
|
||||
export wfl_euler, wfl_rk3, zfl_euler, zfl_rk3
|
||||
export wfl_euler, wfl_rk3, zfl_euler, zfl_rk3, Eoft_clover, Eoft_plaq, Qtop
|
||||
|
||||
end
|
||||
|
|
|
|||
234
src/YM/YMflow.jl
234
src/YM/YMflow.jl
|
|
@ -117,3 +117,237 @@ wfl_euler(U, ns, eps, lp::SpaceParm, ymws::YMworkspace) = flw_euler(U, ns, eps,
|
|||
zfl_euler(U, ns, eps, lp::SpaceParm, ymws::YMworkspace) = flw_euler(U, ns, eps, 5.0/3.0, lp, ymws, add_zth=true)
|
||||
wfl_rk3(U, ns, eps, lp::SpaceParm, ymws::YMworkspace) = flw_rk3(U, ns, eps, 1, lp, ymws)
|
||||
zfl_rk3(U, ns, eps, lp::SpaceParm, ymws::YMworkspace) = flw_rk3(U, ns, eps, 5.0/3.0, lp, ymws, add_zth=true)
|
||||
|
||||
|
||||
##
|
||||
# Observables
|
||||
##
|
||||
|
||||
function Eoft_plaq(Eslc, U, gp::GaugeParm{T}, lp::SpaceParm{N,M,D}, ymws::YMworkspace) where {T,N,M,D}
|
||||
|
||||
@timeit "E(t) plaquette measurement" begin
|
||||
|
||||
tp = ntuple(i->i, N-1)
|
||||
V3 = prod(lp.iL[1:end-1])
|
||||
|
||||
fill!(Eslc,zero(T))
|
||||
Etmp = zeros(T,lp.iL[end])
|
||||
for ipl in 1:M
|
||||
fill!(Etmp, zero(T))
|
||||
CUDA.@sync begin
|
||||
CUDA.@cuda threads=lp.bsz blocks=lp.rsz krnl_plaq_pln!(ymws.cm, U, ipl, lp)
|
||||
end
|
||||
|
||||
Etmp .= (gp.ng .- reshape(Array(CUDA.mapreduce(real, +, ymws.cm;dims=tp)),lp.iL[end])/V3 )
|
||||
if ipl < N
|
||||
for it in 2:lp.iL[end]
|
||||
Eslc[it,ipl] = Etmp[it] + Etmp[it-1]
|
||||
end
|
||||
Eslc[1,ipl] = Etmp[1] + Etmp[end]
|
||||
else
|
||||
for it in 1:lp.iL[end]
|
||||
Eslc[it,ipl] = 2*Etmp[it]
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
end
|
||||
|
||||
|
||||
return sum(Eslc)/lp.iL[end]
|
||||
end
|
||||
|
||||
Eoft_plaq(U, gp::GaugeParm{T}, lp::SpaceParm{N,M,D}, ymws::YMworkspace) where {T,N,M,D} = Eoft_plaq(zeros(T,lp.iL[end],M), U, gp, lp, ymws)
|
||||
|
||||
|
||||
function krnl_plaq_pln!(plx, U::AbstractArray{T}, ipl, lp::SpaceParm{N,M,D}) where {T,N,M,D}
|
||||
|
||||
b, r = CUDA.threadIdx().x, CUDA.blockIdx().x
|
||||
|
||||
id1, id2 = lp.plidx[ipl]
|
||||
|
||||
bu1, ru1 = up((b, r), id1, lp)
|
||||
bu2, ru2 = up((b, r), id2, lp)
|
||||
|
||||
I = point_coord((b,r), lp)
|
||||
plx[I] = tr(U[b,1,r]*U[bu1,id2,ru1] / (U[b,2,r]*U[bu2,id1,ru2]))
|
||||
|
||||
return nothing
|
||||
end
|
||||
|
||||
function Qtop(Qslc, U, lp::SpaceParm{4,M,D}, ymws::YMworkspace) where {M,D}
|
||||
|
||||
@timeit "Qtop measurement" begin
|
||||
|
||||
tp = (1,2,3)
|
||||
|
||||
CUDA.@sync begin
|
||||
CUDA.@cuda threads=lp.bsz blocks=lp.rsz krnl_field_tensor!(ymws.frc1, ymws.frc2, U, 1,5, lp)
|
||||
end
|
||||
CUDA.@sync begin
|
||||
CUDA.@cuda threads=lp.bsz blocks=lp.rsz krnl_add_qd!(ymws.rm, +, ymws.frc1, ymws.frc2, U, lp)
|
||||
end
|
||||
|
||||
CUDA.@sync begin
|
||||
CUDA.@cuda threads=lp.bsz blocks=lp.rsz krnl_field_tensor!(ymws.frc1, ymws.frc2, U, 2,4, lp)
|
||||
end
|
||||
CUDA.@sync begin
|
||||
CUDA.@cuda threads=lp.bsz blocks=lp.rsz krnl_add_qd!(ymws.rm, -, ymws.frc1, ymws.frc2, U, lp)
|
||||
end
|
||||
|
||||
CUDA.@sync begin
|
||||
CUDA.@cuda threads=lp.bsz blocks=lp.rsz krnl_field_tensor!(ymws.frc1, ymws.frc2, U, 3,6, lp)
|
||||
end
|
||||
CUDA.@sync begin
|
||||
CUDA.@cuda threads=lp.bsz blocks=lp.rsz krnl_add_qd!(ymws.rm, +, ymws.frc1, ymws.frc2, U, lp)
|
||||
end
|
||||
|
||||
Qslc .= reshape(Array(CUDA.reduce(+, ymws.rm; dims=tp)),lp.iL[end])./(32*pi^2)
|
||||
end
|
||||
|
||||
return sum(Qslc)
|
||||
end
|
||||
Qtop(U, lp::SpaceParm{4,M,D}, ymws::YMworkspace{T}) where {T,M,D} = Qtop(zeros(T,lp.iL[end],M), U, lp, ymws)
|
||||
|
||||
|
||||
function Eoft_clover(Eslc, U, lp::SpaceParm{4,M,D}, ymws::YMworkspace{T}) where {T,M,D}
|
||||
|
||||
function acum(ipl1, ipl2, Etmp)
|
||||
|
||||
tp = (1,2,3)
|
||||
V3 = prod(lp.iL[1:end-1])
|
||||
|
||||
CUDA.@sync begin
|
||||
CUDA.@cuda threads=lp.bsz blocks=lp.rsz krnl_add_et!(ymws.rm, +, ymws.frc1, U, lp)
|
||||
end
|
||||
Etmp .= reshape(Array(CUDA.reduce(+, ymws.rm;dims=tp)),lp.iL[end])/V3
|
||||
for it in 1:lp.iL[end]
|
||||
Eslc[it,ipl1] = Etmp[it]/8
|
||||
end
|
||||
|
||||
CUDA.@sync begin
|
||||
CUDA.@cuda threads=lp.bsz blocks=lp.rsz krnl_add_et!(ymws.rm, +, ymws.frc2, U, lp)
|
||||
end
|
||||
Etmp .= reshape(Array(CUDA.reduce(+, ymws.rm;dims=tp)),lp.iL[end])/V3
|
||||
for it in 1:lp.iL[end]
|
||||
Eslc[it,ipl1] = Etmp[it]/8
|
||||
end
|
||||
|
||||
return nothing
|
||||
end
|
||||
|
||||
|
||||
@timeit "E(t) clover measurement" begin
|
||||
|
||||
fill!(Eslc,zero(T))
|
||||
Etmp = zeros(T,lp.iL[end])
|
||||
|
||||
CUDA.@sync begin
|
||||
CUDA.@cuda threads=lp.bsz blocks=lp.rsz krnl_field_tensor!(ymws.frc1, ymws.frc2, U, 1,2, lp)
|
||||
end
|
||||
acum(1,2,Etmp)
|
||||
|
||||
|
||||
CUDA.@sync begin
|
||||
CUDA.@cuda threads=lp.bsz blocks=lp.rsz krnl_field_tensor!(ymws.frc1, ymws.frc2, U, 3,4, lp)
|
||||
end
|
||||
acum(3,4,Etmp)
|
||||
|
||||
CUDA.@sync begin
|
||||
CUDA.@cuda threads=lp.bsz blocks=lp.rsz krnl_field_tensor!(ymws.frc1, ymws.frc2, U, 5,6, lp)
|
||||
end
|
||||
acum(5,6,Etmp)
|
||||
|
||||
end
|
||||
|
||||
return sum(Eslc)/lp.iL[end]
|
||||
end
|
||||
Eoft_clover(U, lp::SpaceParm{N,M,D}, ymws::YMworkspace{T}) where {T,N,M,D} = Eoft_clover(zeros(T,lp.iL[end],M), U, lp, ymws)
|
||||
|
||||
function krnl_add_et!(rm, op, frc1, U, lp::SpaceParm{4,M,D}) where {M,D}
|
||||
|
||||
b, r = CUDA.threadIdx().x, CUDA.blockIdx().x
|
||||
|
||||
X1 = (frc1[b,1,r]+frc1[b,2,r]+frc1[b,3,r]+frc1[b,4,r])
|
||||
|
||||
I = point_coord((b,r), lp)
|
||||
rm[I] = dot(X1,X1)
|
||||
|
||||
return nothing
|
||||
end
|
||||
|
||||
function krnl_add_qd!(rm, op, frc1, frc2, U, lp::SpaceParm{4,M,D}) where {M,D}
|
||||
|
||||
b, r = CUDA.threadIdx().x, CUDA.blockIdx().x
|
||||
|
||||
I = point_coord((b,r), lp)
|
||||
rm[I] = op(dot( (frc1[b,1,r]+frc1[b,2,r]+frc1[b,3,r]+frc1[b,4,r]),
|
||||
(frc2[b,1,r]+frc2[b,2,r]+frc2[b,3,r]+frc2[b,4,r]) ) )
|
||||
return nothing
|
||||
end
|
||||
|
||||
function krnl_field_tensor!(frc1, frc2, U::AbstractArray{T}, ipl1, ipl2, lp::SpaceParm{4,M,D}) where {T,M,D}
|
||||
|
||||
b, r = CUDA.threadIdx().x, CUDA.blockIdx().x
|
||||
|
||||
Ush = @cuStaticSharedMem(T, (D,2))
|
||||
|
||||
#First plane
|
||||
id1, id2 = lp.plidx[ipl1]
|
||||
Ush[b,1] = U[b,id1,r]
|
||||
Ush[b,2] = U[b,id2,r]
|
||||
sync_threads()
|
||||
|
||||
bu1, ru1 = up((b, r), id1, lp)
|
||||
bu2, ru2 = up((b, r), id2, lp)
|
||||
bd, rd = up((bu1, ru1), id2, lp)
|
||||
if ru1 == r
|
||||
gt1 = Ush[bu1,2]
|
||||
else
|
||||
gt1 = U[bu1,id2,ru1]
|
||||
end
|
||||
if ru2 == r
|
||||
gt2 = Ush[bu2,1]
|
||||
else
|
||||
gt2 = U[bu2,id1,ru2]
|
||||
end
|
||||
|
||||
l1 = gt1/gt2
|
||||
l2 = Ush[b,2]\Ush[b,1]
|
||||
|
||||
frc1[b,1,r] = projalg(Ush[b,1]*l1/Ush[b,2])
|
||||
frc1[bu1,2,ru1] = projalg(l1*l2)
|
||||
frc1[bd,3,rd] = projalg(gt2\(l2*gt1))
|
||||
frc1[bu2,4,ru2] = projalg(l2*l1)
|
||||
|
||||
# Second plane
|
||||
id1, id2 = lp.plidx[ipl2]
|
||||
Ush[b,1] = U[b,id1,r]
|
||||
Ush[b,2] = U[b,id2,r]
|
||||
sync_threads()
|
||||
|
||||
bu1, ru1 = up((b, r), id1, lp)
|
||||
bu2, ru2 = up((b, r), id2, lp)
|
||||
bd, rd = up((bu1, ru1), id2, lp)
|
||||
if ru1 == r
|
||||
gt1 = Ush[bu1,2]
|
||||
else
|
||||
gt1 = U[bu1,id2,ru1]
|
||||
end
|
||||
if ru2 == r
|
||||
gt2 = Ush[bu2,1]
|
||||
else
|
||||
gt2 = U[bu2,id1,ru2]
|
||||
end
|
||||
|
||||
l1 = gt1/gt2
|
||||
l2 = Ush[b,2]\Ush[b,1]
|
||||
|
||||
frc2[b,1,r] = projalg(Ush[b,1]*l1/Ush[b,2])
|
||||
frc2[bu1,2,ru1] = projalg(l1*l2)
|
||||
frc2[bd,3,rd] = projalg(gt2\(l2*gt1))
|
||||
frc2[bu2,4,ru2] = projalg(l2*l1)
|
||||
|
||||
return nothing
|
||||
end
|
||||
|
||||
|
|
|
|||
|
|
@ -61,6 +61,17 @@ wfl_rk3(U, 1, 0.01, lp, ymws)
|
|||
println("Action: ", gauge_action(U, lp, gp, ymws))
|
||||
println("Time for 100 steps of RK3 flow integrator: ")
|
||||
@time wfl_rk3(U, 100, 0.01, lp, ymws)
|
||||
eoft = Eoft_plaq(U, gp, lp, ymws)
|
||||
eoft = Eoft_clover(U, lp, ymws)
|
||||
qtop = Qtop(U, lp, ymws)
|
||||
|
||||
@time eoft = Eoft_plaq(U, gp, lp, ymws)
|
||||
println("Plaq: ", eoft)
|
||||
@time eoft = Eoft_clover(U, lp, ymws)
|
||||
println("Clov: ", eoft)
|
||||
@time qtop = Qtop(U, lp, ymws)
|
||||
println("Qtop: ", qtop)
|
||||
|
||||
println("Action: ", gauge_action(U, lp, gp, ymws))
|
||||
println("## END Wilson action/flow measurements")
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue