From cf972812f7cc1c32cd7a50e6a3053085b629377b Mon Sep 17 00:00:00 2001
From: Lizzzka007 <gashchuk2011@mail.ru>
Date: Mon, 18 Dec 2023 14:10:12 +0300
Subject: [PATCH] Add GPU computation

---
 includeCU/Flux.cuh             |  11 -
 includeCU/FluxComputeFunc.cuh  |  14 ++
 includeCU/MemoryProcessing.cuh |   2 +-
 srcCU/FluxComputeFunc.cu       | 428 +++++++++++++++++++++++++++++++++
 srcCU/MemoryProcessing.cu      |   2 +-
 srcCXX/Flux.cpp                |  21 +-
 6 files changed, 456 insertions(+), 22 deletions(-)
 delete mode 100644 includeCU/Flux.cuh
 create mode 100644 srcCU/FluxComputeFunc.cu

diff --git a/includeCU/Flux.cuh b/includeCU/Flux.cuh
deleted file mode 100644
index 2eec280..0000000
--- a/includeCU/Flux.cuh
+++ /dev/null
@@ -1,11 +0,0 @@
-#pragma once 
-
-template<typename T>
-void compute_flux_gpu(const T *ws, const T *dt, const T *st, const T *dq, const T *cflh, const T *z0,
-    T *zl, T *ri, T *re, T *lnzuzt, T *zu, T *zt, T *rith, T *cm, T *ch, T *ct, T *ckt,
-    const T g, const T Pr_m, const T kappa, const T Pr_t_0_inv, const T Pr_t_inf_inv,
-    const T alpha_m, const T alpha_h, const T b4, const T alfam, const T betam, 
-    const T an, const T h1, const T x8, const T an1, const T an2, const T g0, 
-    const T r0, 
-    const int it, const int lu_indx,
-    const int grid_size);
\ No newline at end of file
diff --git a/includeCU/FluxComputeFunc.cuh b/includeCU/FluxComputeFunc.cuh
index e69de29..2c2623e 100644
--- a/includeCU/FluxComputeFunc.cuh
+++ b/includeCU/FluxComputeFunc.cuh
@@ -0,0 +1,14 @@
+#pragma once 
+
+template<typename T>
+void compute_flux_gpu(const T *U_, const T *dT_, const T *Tsemi_, const T *dQ_, const T *h_, const T *in_z0_m_,
+    T *zeta_, T *Rib_, T *Re_, T *B_, T *z0_m_, T *z0_t_, T *Rib_conv_lim_, T *Cm_, T *Ct_, T *Km_, T *Pr_t_inv_,
+    const T kappa, const T Pr_t_0_inv, const T Pr_t_inf_inv, 
+    const T alpha_m, const T alpha_h, const T alpha_h_fix, 
+    const T beta_m, const T beta_h, const T Rib_max, const T Re_rough_min, 
+    const T B1_rough, const T B2_rough,
+    const T B_max_land, const T B_max_ocean, const T B_max_lake,
+    const T gamma_c, const T Re_visc_min,
+    const T Pr_m, const T nu_air, const T g, 
+    const int maxiters_charnock, const int maxiters_convection, 
+    const int grid_size);
\ No newline at end of file
diff --git a/includeCU/MemoryProcessing.cuh b/includeCU/MemoryProcessing.cuh
index 2ef88c8..49809a2 100644
--- a/includeCU/MemoryProcessing.cuh
+++ b/includeCU/MemoryProcessing.cuh
@@ -1,5 +1,5 @@
 #pragma once
-#include "TemplateParameters.h"
+#include "../includeCXX/TemplateParameters.h"
 #include <cstddef>
 
 namespace memproc
diff --git a/srcCU/FluxComputeFunc.cu b/srcCU/FluxComputeFunc.cu
new file mode 100644
index 0000000..b631fec
--- /dev/null
+++ b/srcCU/FluxComputeFunc.cu
@@ -0,0 +1,428 @@
+#include <cmath>
+#include <iostream>
+#include "../includeCU/FluxComputeFunc.cuh"
+
+template<typename T>
+__device__ void get_charnock_roughness(const T h, const T U,
+    const T kappa, 
+    const T h_charnock, const T c1_charnock, const T c2_charnock,
+    T &z0_m, T &u_dyn0, 
+    const int maxiters)
+{
+    T Uc, a, b, c, c_min, f;
+
+    Uc = U;
+    a = 0.0;
+    b = 25.0;
+    c_min = log(h_charnock) / kappa;
+
+    for (int i = 0; i < maxiters; i++)
+    {
+        f = c1_charnock - 2.0 * log(Uc);
+        for (int j = 0; j < maxiters; j++)
+        {
+            c = (f + 2.0 * log(b)) / kappa;
+            if (U <= 8.0e0) 
+                a = log(1.0 + c2_charnock * ( pow(b / Uc, 3) ) ) / kappa;
+            c = max(c - a, c_min);
+            b = c;
+        }
+        z0_m = h_charnock * exp(-c * kappa);
+        z0_m = max(z0_m, T(0.000015e0));
+        Uc = U * log(h_charnock / z0_m) / log(h / z0_m);
+    }
+    
+    u_dyn0 = Uc / c;
+}
+
+template __device__ void get_charnock_roughness(const float h, const float U,
+    const float kappa, 
+    const float h_charnock, const float c1_charnock, const float c2_charnock,
+    float &z0_m, float &u_dyn0, 
+    const int maxiters);
+template __device__ void get_charnock_roughness(const double h, const double U,
+    const double kappa, 
+    const double h_charnock, const double c1_charnock, const double c2_charnock,
+    double &z0_m, double &u_dyn0, 
+    const int maxiters);
+
+template<typename T>
+__device__ void get_convection_lim(const T h0_m, const T h0_t, const T B,
+    const T Pr_t_inf_inv, const T Pr_t_0_inv,
+    const T alpha_h, const T alpha_m, const T alpha_h_fix,
+    T &zeta_lim, T &Rib_lim, T &f_m_lim, T &f_h_lim)
+{
+    T psi_m, psi_h, f_m, f_h, c;
+
+    c = pow(Pr_t_inf_inv / Pr_t_0_inv, 4);
+    zeta_lim = (2.0 * alpha_h - c * alpha_m - sqrt( (c * alpha_m)*(c * alpha_m) + 4.0 * c * alpha_h * (alpha_h - alpha_m))) / (2.0 * alpha_h*alpha_h);
+
+    f_m_lim = pow(1.0 - alpha_m * zeta_lim, 0.25);
+    f_h_lim = sqrt(1.0 - alpha_h * zeta_lim);
+
+    f_m = zeta_lim / h0_m;
+    f_h = zeta_lim / h0_t;
+    if (fabs(B) < 1.0e-10) f_h = f_m;
+
+    f_m = pow(1.0 - alpha_m * f_m, 0.25);
+    f_h = sqrt(1.0 - alpha_h_fix * f_h);
+
+    psi_m = 2.0 * (atan(f_m_lim) - atan(f_m)) + log((f_m_lim - 1.0) * (f_m + 1.0)/((f_m_lim + 1.0) * (f_m - 1.0)));
+    psi_h = log((f_h_lim - 1.0) * (f_h + 1.0)/((f_h_lim + 1.0) * (f_h - 1.0))) / Pr_t_0_inv;
+
+    Rib_lim = zeta_lim * psi_h / (psi_m * psi_m);
+}
+
+template __device__ void get_convection_lim(const float h0_m, const float h0_t, const float B,
+    const float Pr_t_inf_inv, const float Pr_t_0_inv,
+    const float alpha_h, const float alpha_m, const float alpha_h_fix,
+    float &zeta_lim, float &Rib_lim, float &f_m_lim, float &f_h_lim);
+template __device__ void get_convection_lim(const double h0_m, const double h0_t, const double B,
+    const double Pr_t_inf_inv, const double Pr_t_0_inv,
+    const double alpha_h, const double alpha_m, const double alpha_h_fix,
+    double &zeta_lim, double &Rib_lim, double &f_m_lim, double &f_h_lim);
+
+template<typename T>
+void __device__ get_psi_stable(const T Rib, const T h0_m, const T h0_t, const T B,
+    const T Pr_t_0_inv, const T beta_m,
+    T &psi_m, T &psi_h, T &zeta)
+{
+    T Rib_coeff, psi0_m, psi0_h, phi, c;
+    
+    psi0_m = log(h0_m);
+    psi0_h = B / psi0_m;
+
+    Rib_coeff = beta_m * Rib;
+    c = (psi0_h + 1.0) / Pr_t_0_inv - 2.0 * Rib_coeff;
+    zeta = psi0_m * (sqrt(c*c + 4.0 * Rib_coeff * (1.0 - Rib_coeff)) - c) / (2.0 * beta_m * (1.0 - Rib_coeff));
+
+    phi = beta_m * zeta;
+
+    psi_m = psi0_m + phi;
+    psi_h = (psi0_m + B) / Pr_t_0_inv + phi;
+}
+
+template __device__ void get_psi_stable(const float Rib, const float h0_m, const float h0_t, const float B,
+    const float Pr_t_0_inv, const float beta_m,
+    float &psi_m, float &psi_h, float &zeta);
+template __device__ void get_psi_stable(const double Rib, const double h0_m, const double h0_t, const double B,
+    const double Pr_t_0_inv, const double beta_m,
+    double &psi_m, double &psi_h, double &zeta);
+
+template<typename T>
+void __device__ get_psi_convection(const T Rib, const T h0_m, const T h0_t, const T B, 
+    const T zeta_conv_lim, const T f_m_conv_lim, const T f_h_conv_lim,
+    const T Pr_t_0_inv,
+    const T alpha_h, const T alpha_m, const T alpha_h_fix,
+    T &psi_m, T &psi_h, T &zeta, 
+    const int maxiters)
+{
+    T zeta0_m, zeta0_h, f0_m, f0_h, p_m, p_h, a_m, a_h, c_lim, f;
+
+    p_m = 2.0 * atan(f_m_conv_lim) + log((f_m_conv_lim - 1.0) / (f_m_conv_lim + 1.0));
+    p_h = log((f_h_conv_lim - 1.0) / (f_h_conv_lim + 1.0));
+
+    zeta = zeta_conv_lim;
+
+    for (int i = 1; i <= maxiters + 1; i++)
+    {
+        zeta0_m = zeta / h0_m;
+        zeta0_h = zeta / h0_t;
+        if (fabs(B) < 1.0e-10) 
+            zeta0_h = zeta0_m;
+
+        f0_m = pow(1.0 - alpha_m * zeta0_m, 0.25);
+        f0_h = sqrt(1.0 - alpha_h_fix * zeta0_h);
+
+        a_m = -2.0*atan(f0_m) + log((f0_m + 1.0)/(f0_m - 1.0));
+        a_h = log((f0_h + 1.0)/(f0_h - 1.0));
+
+        c_lim = pow(zeta_conv_lim / zeta, 1.0 / 3.0);
+        f = 3.0 * (1.0 - c_lim);
+
+        psi_m = f / f_m_conv_lim + p_m + a_m;
+        psi_h = (f / f_h_conv_lim + p_h + a_h) / Pr_t_0_inv;
+
+        if (i == maxiters + 1) 
+            break;
+
+        zeta = Rib * psi_m * psi_m / psi_h;
+    }
+}
+
+template __device__ void get_psi_convection(const float Rib, const float h0_m, const float h0_t, const float B, 
+    const float zeta_conv_lim, const float f_m_conv_lim, const float f_h_conv_lim,
+    const float Pr_t_0_inv,
+    const float alpha_h, const float alpha_m, const float alpha_h_fix,
+    float &psi_m, float &psi_h, float &zeta, 
+    const int maxiters);
+template __device__ void get_psi_convection(const double Rib, const double h0_m, const double h0_t, const double B, 
+    const double zeta_conv_lim, const double f_m_conv_lim, const double f_h_conv_lim,
+    const double Pr_t_0_inv,
+    const double alpha_h, const double alpha_m, const double alpha_h_fix,
+    double &psi_m, double &psi_h, double &zeta, 
+    const int maxiters);
+
+template<typename T>
+void __device__ get_psi_neutral(const T h0_m, const T h0_t, const T B,
+    const T Pr_t_0_inv,
+    T &psi_m, T &psi_h, T &zeta)
+{
+    zeta = 0.0;
+    psi_m = log(h0_m);
+    psi_h = log(h0_t) / Pr_t_0_inv;
+    if (fabs(B) < 1.0e-10) 
+        psi_h = psi_m / Pr_t_0_inv;
+}
+
+template __device__ void get_psi_neutral(const float h0_m, const float h0_t, const float B,
+    const float Pr_t_0_inv,
+    float &psi_m, float &psi_h, float &zeta);
+template __device__ void get_psi_neutral(const double h0_m, const double h0_t, const double B,
+    const double Pr_t_0_inv,
+    double &psi_m, double &psi_h, double &zeta);
+
+template<typename T>
+void __device__ get_psi_semi_convection(const T Rib, const T h0_m, const T h0_t, const T B, 
+    const T Pr_t_0_inv,
+    const T alpha_m, const T alpha_h_fix,
+    T &psi_m, T &psi_h, T &zeta,
+    const int maxiters)
+{
+    T zeta0_m, zeta0_h, f0_m, f0_h, f_m, f_h;
+
+    psi_m = log(h0_m);
+    psi_h = log(h0_t);
+
+    if (fabs(B) < 1.0e-10) 
+        psi_h = psi_m;
+
+    zeta = Rib * Pr_t_0_inv * psi_m * psi_m / psi_h;
+
+    for (int i = 1; i <= maxiters + 1; i++)
+    {
+        zeta0_m = zeta / h0_m;
+        zeta0_h = zeta / h0_t;
+        if (fabs(B) < 1.0e-10) 
+            zeta0_h = zeta0_m;
+
+        f_m = pow(1.0 - alpha_m * zeta, 0.25e0);
+        f_h = sqrt(1.0 - alpha_h_fix * zeta);
+
+        f0_m = pow(1.0 - alpha_m * zeta0_m, 0.25e0);
+        f0_h = sqrt(1.0 - alpha_h_fix * zeta0_h);
+
+        f0_m = max(f0_m, T(1.000001e0));
+        f0_h = max(f0_h, T(1.000001e0));
+
+        psi_m = log((f_m - 1.0e0)*(f0_m + 1.0e0)/((f_m + 1.0e0)*(f0_m - 1.0e0))) + 2.0e0*(atan(f_m) - atan(f0_m));
+        psi_h = log((f_h - 1.0e0)*(f0_h + 1.0e0)/((f_h + 1.0e0)*(f0_h - 1.0e0))) / Pr_t_0_inv;
+
+        if (i == maxiters + 1) 
+            break;
+
+        zeta = Rib * psi_m * psi_m / psi_h;
+    }
+}
+
+template __device__ void get_psi_semi_convection(const float Rib, const float h0_m, const float h0_t, const float B, 
+    const float Pr_t_0_inv,
+    const float alpha_m, const float alpha_h_fix,
+    float &psi_m, float &psi_h, float &zeta,
+    const int maxiters);
+template __device__ void get_psi_semi_convection(const double Rib, const double h0_m, const double h0_t, const double B, 
+    const double Pr_t_0_inv,
+    const double alpha_m, const double alpha_h_fix,
+    double &psi_m, double &psi_h, double &zeta,
+    const int maxiters);
+
+template<typename T>
+__global__ void compute_flux(const T *U_, const T *dT_, const T *Tsemi_, const T *dQ_, const T *h_, const T *in_z0_m_,
+    T *zeta_, T *Rib_, T *Re_, T *B_, T *z0_m_, T *z0_t_, T *Rib_conv_lim_, T *Cm_, T *Ct_, T *Km_, T *Pr_t_inv_,
+    const T kappa, const T Pr_t_0_inv, const T Pr_t_inf_inv, 
+    const T alpha_m, const T alpha_h, const T alpha_h_fix, 
+    const T beta_m, const T beta_h, const T Rib_max, const T Re_rough_min, 
+    const T B1_rough, const T B2_rough,
+    const T B_max_land, const T B_max_ocean, const T B_max_lake,
+    const T gamma_c, const T Re_visc_min,
+    const T Pr_m, const T nu_air, const T g, 
+    const int maxiters_charnock, const int maxiters_convection, 
+    const int grid_size)
+{
+    const int index = blockIdx.x * blockDim.x + threadIdx.x;
+
+    T h, U, dT, Tsemi, dQ, z0_m;
+    T Re, z0_t, B, h0_m, h0_t, u_dyn0, zeta, Rib, zeta_conv_lim, Rib_conv_lim, f_m_conv_lim, f_h_conv_lim, psi_m, psi_h, phi_m, phi_h, Km, Pr_t_inv, Cm, Ct;
+    int surface_type;
+    T fval;
+
+    const T B3_rough = kappa * Pr_m, B4_rough =( 0.14 * ( pow(30.0, B2_rough) ) ) * (pow(Pr_m, 0.8));
+    const T h_charnock = 10.0, c1_charnock = log(h_charnock * (g / gamma_c)), c2_charnock = Re_visc_min * nu_air * c1_charnock;
+
+    if(index < grid_size)
+    {
+        U = U_[index];
+        Tsemi = Tsemi_[index];
+        dT = dT_[index];
+        dQ = dQ_[index];
+        h = h_[index];
+        z0_m = in_z0_m_[index];
+
+        if (z0_m < 0.0) surface_type = 0;
+        else            surface_type = 1;
+
+        if (surface_type == 0)
+        {
+            get_charnock_roughness(h, U, kappa, h_charnock, c1_charnock, c2_charnock, z0_m, u_dyn0, maxiters_charnock);
+            h0_m = h / z0_m;
+        }
+        if (surface_type == 1) 
+        {
+            h0_m = h / z0_m;
+            u_dyn0 = U * kappa / log(h0_m);
+        }
+
+        Re = u_dyn0 * z0_m / nu_air;
+
+        if(Re <= Re_rough_min) B = B1_rough * log(B3_rough * Re) + B2_rough;
+        else                   B = B4_rough * (pow(Re, B2_rough));
+
+        if (surface_type == 0)  B = min(B, B_max_ocean);
+        if (surface_type == 1)   B = min(B, B_max_land);
+        if (surface_type == 2)   B = min(B, B_max_lake);
+
+        z0_t = z0_m / exp(B);
+        h0_t = h / z0_t;
+        Rib = (g / Tsemi) * h * (dT + 0.61e0 * Tsemi * dQ) / (U*U);
+
+        get_convection_lim(h0_m, h0_t, B, Pr_t_inf_inv, Pr_t_0_inv, alpha_h, alpha_m, alpha_h_fix, zeta_conv_lim, Rib_conv_lim, f_m_conv_lim, f_h_conv_lim);
+
+
+        if (Rib > 0.0) 
+        {
+            Rib = min(Rib, Rib_max);
+            get_psi_stable(Rib, h0_m, h0_t, B, Pr_t_0_inv, beta_m, psi_m, psi_h, zeta);
+
+            fval = beta_m * zeta;
+            phi_m = 1.0 + fval;
+            phi_h = 1.0/Pr_t_0_inv + fval;
+        }
+
+        else if (Rib < Rib_conv_lim) 
+        {
+            get_psi_convection(Rib, h0_m, h0_t, B, zeta_conv_lim, f_m_conv_lim, f_h_conv_lim, Pr_t_0_inv, alpha_h, alpha_m, alpha_h_fix, psi_m, psi_h, zeta, maxiters_convection);
+
+            fval = pow(zeta_conv_lim / zeta, 1.0/3.0);
+            phi_m = fval / f_m_conv_lim;
+            phi_h = fval / (Pr_t_0_inv * f_h_conv_lim);
+        }
+        else if (Rib > -0.001) 
+        {
+            get_psi_neutral(h0_m, h0_t, B, Pr_t_0_inv, psi_m, psi_h, zeta);
+        
+            phi_m = 1.0;
+            phi_h = 1.0 / Pr_t_0_inv;
+        }
+        else
+        {
+            get_psi_semi_convection(Rib, h0_m, h0_t, B, Pr_t_0_inv, alpha_m, alpha_h_fix, psi_m, psi_h, zeta, maxiters_convection);
+            
+            phi_m = pow(1.0 - alpha_m * zeta, -0.25);
+            phi_h = 1.0 / (Pr_t_0_inv * sqrt(1.0 - alpha_h_fix * zeta));
+        }
+
+        Cm = kappa / psi_m;
+        Ct = kappa / psi_h;
+
+        Km = kappa * Cm * U * h / phi_m;
+        Pr_t_inv = phi_m / phi_h;
+
+        zeta_[index]         = zeta;
+        Rib_[index]          = Rib;
+        Re_[index]           = Re;
+        B_[index]            = B;
+        z0_m_[index]         = z0_m;
+        z0_t_[index]         = z0_t;
+        Rib_conv_lim_[index] = Rib_conv_lim;
+        Cm_[index]           = Cm;
+        Ct_[index]           = Ct;
+        Km_[index]           = Km;
+        Pr_t_inv_[index]     = Pr_t_inv;
+    }
+}
+
+template __global__ void compute_flux(const float *U, const float *dt, const float *T_semi, const float *dq, const float *H, const float *in_z0_m,
+    float *zeta_, float *Rib_, float *Re_, float *B_, float *z0_m_, float *z0_t_, float *Rib_conv_lim_, float *Cm_, float *Ct_, float *Km_, float *Pr_t_inv_,
+    const float kappa, const float Pr_t_0_inv, const float Pr_t_inf_inv, 
+    const float alpha_m, const float alpha_h, const float alpha_h_fix, 
+    const float beta_m, const float beta_h, const float Rib_max, const float Re_rough_min, 
+    const float B1_rough, const float B2_rough,
+    const float B_max_land, const float B_max_ocean, const float B_max_lake,
+    const float gamma_c, const float Re_visc_min,
+    const float Pr_m, const float nu_air, const float g, 
+    const int maxiters_charnock, const int maxiters_convection, 
+    const int grid_size);
+template __global__ void compute_flux(const double *U, const double *dt, const double *T_semi, const double *dq, const double *H, const double *in_z0_m, 
+    double *zeta_, double *Rib_, double *Re_, double *B_, double *z0_m_, double *z0_t_, double *Rib_conv_lim_, double *Cm_, double *Ct_, double *Km_, double *Pr_t_inv_,
+    const double kappa, const double Pr_t_0_inv, const double Pr_t_inf_inv, 
+    const double alpha_m, const double alpha_h, const double alpha_h_fix, 
+    const double beta_m, const double beta_h, const double Rib_max, const double Re_rough_min, 
+    const double B1_rough, const double B2_rough,
+    const double B_max_land, const double B_max_ocean, const double B_max_lake,
+    const double gamma_c, const double Re_visc_min,
+    const double Pr_m, const double nu_air, const double g, 
+    const int maxiters_charnock, const int maxiters_convection, 
+    const int grid_size);
+
+template<typename T>
+void compute_flux_gpu(const T *U_, const T *dT_, const T *Tsemi_, const T *dQ_, const T *h_, const T *in_z0_m_,
+    T *zeta_, T *Rib_, T *Re_, T *B_, T *z0_m_, T *z0_t_, T *Rib_conv_lim_, T *Cm_, T *Ct_, T *Km_, T *Pr_t_inv_,
+    const T kappa, const T Pr_t_0_inv, const T Pr_t_inf_inv, 
+    const T alpha_m, const T alpha_h, const T alpha_h_fix, 
+    const T beta_m, const T beta_h, const T Rib_max, const T Re_rough_min, 
+    const T B1_rough, const T B2_rough,
+    const T B_max_land, const T B_max_ocean, const T B_max_lake,
+    const T gamma_c, const T Re_visc_min,
+    const T Pr_m, const T nu_air, const T g, 
+    const int maxiters_charnock, const int maxiters_convection, 
+    const int grid_size)
+{
+    const int BlockCount = int(ceil(float(grid_size) / 1024.0));
+    dim3 cuBlock = dim3(1024, 1, 1);
+	dim3 cuGrid = dim3(BlockCount, 1, 1);
+
+    compute_flux<<<cuGrid, cuBlock>>>(U_, dT_, Tsemi_, dQ_, h_, in_z0_m_,
+    zeta_, Rib_, Re_, B_, z0_m_, z0_t_, Rib_conv_lim_, Cm_, Ct_, Km_, Pr_t_inv_,
+    kappa, Pr_t_0_inv, Pr_t_inf_inv, 
+    alpha_m, alpha_h, alpha_h_fix, 
+    beta_m, beta_h, Rib_max, Re_rough_min, 
+    B1_rough, B2_rough,
+    B_max_land, B_max_ocean, B_max_lake,
+    gamma_c, Re_visc_min,
+    Pr_m, nu_air, g, 
+    maxiters_charnock, maxiters_convection, 
+    grid_size);
+}
+
+template void compute_flux_gpu(const float *U, const float *dt, const float *T_semi, const float *dq, const float *H, const float *in_z0_m,
+    float *zeta_, float *Rib_, float *Re_, float *B_, float *z0_m_, float *z0_t_, float *Rib_conv_lim_, float *Cm_, float *Ct_, float *Km_, float *Pr_t_inv_,
+    const float kappa, const float Pr_t_0_inv, const float Pr_t_inf_inv, 
+    const float alpha_m, const float alpha_h, const float alpha_h_fix, 
+    const float beta_m, const float beta_h, const float Rib_max, const float Re_rough_min, 
+    const float B1_rough, const float B2_rough,
+    const float B_max_land, const float B_max_ocean, const float B_max_lake,
+    const float gamma_c, const float Re_visc_min,
+    const float Pr_m, const float nu_air, const float g, 
+    const int maxiters_charnock, const int maxiters_convection, 
+    const int grid_size);
+template void compute_flux_gpu(const double *U, const double *dt, const double *T_semi, const double *dq, const double *H, const double *in_z0_m, 
+    double *zeta_, double *Rib_, double *Re_, double *B_, double *z0_m_, double *z0_t_, double *Rib_conv_lim_, double *Cm_, double *Ct_, double *Km_, double *Pr_t_inv_,
+    const double kappa, const double Pr_t_0_inv, const double Pr_t_inf_inv, 
+    const double alpha_m, const double alpha_h, const double alpha_h_fix, 
+    const double beta_m, const double beta_h, const double Rib_max, const double Re_rough_min, 
+    const double B1_rough, const double B2_rough,
+    const double B_max_land, const double B_max_ocean, const double B_max_lake,
+    const double gamma_c, const double Re_visc_min,
+    const double Pr_m, const double nu_air, const double g, 
+    const int maxiters_charnock, const int maxiters_convection, 
+    const int grid_size);
\ No newline at end of file
diff --git a/srcCU/MemoryProcessing.cu b/srcCU/MemoryProcessing.cu
index 4c866ed..e00a089 100644
--- a/srcCU/MemoryProcessing.cu
+++ b/srcCU/MemoryProcessing.cu
@@ -1,4 +1,4 @@
-#include "../include/MemoryProcessing.cuh"
+#include "../includeCU/MemoryProcessing.cuh"
 #include <cuda.h>
 #include <cuda_runtime_api.h>
 
diff --git a/srcCXX/Flux.cpp b/srcCXX/Flux.cpp
index 8157b1a..08508cc 100644
--- a/srcCXX/Flux.cpp
+++ b/srcCXX/Flux.cpp
@@ -3,8 +3,8 @@
 #include "../includeCXX/Flux.h"
 #include "../includeCXX/FluxComputeFunc.h"
 #ifdef INCLUDE_CUDA
-    #include "../includeCU/Flux.cuh"
-    #include "../includeCU/MemoryProcessing.h"
+    #include "../includeCU/FluxComputeFunc.cuh"
+    #include "../includeCU/MemoryProcessing.cuh"
 #endif
 
 #include "../includeCXX/MemoryProcessing.h"
@@ -188,13 +188,16 @@ void Flux<T, RunMem, memIn>::compute_flux(T *zeta_, T *Rib_, T *Re_, T *B_, T *z
     grid_size);
 
 #ifdef INCLUDE_CUDA
-    else compute_flux_gpu(U, dT, Tsemi, dQ, h, zeta,
-    zl, Rib, Re, Rib_conv_lim, z0_m, z0_t, B, Cm, Ct, Km, Pr_t_inv,
-    g,  Pr_m,  kappa,  Pr_t_0_inv,  Pr_t_inf_inv,
-    alpha_m,  alpha_h,  b4,  alfam,  betam, 
-    an,  h1,  x8,  an1,  an2,  g0, 
-    r0, 
-    it, lu_indx,
+    else compute_flux_gpu(U, dT, Tsemi, dQ, h, in_z0_m, 
+    zeta, Rib, Re, B, z0_m, z0_t, Rib_conv_lim, Cm, Ct, Km, Pr_t_inv,
+    kappa, Pr_t_0_inv, Pr_t_inf_inv, 
+    alpha_m, alpha_h, alpha_h_fix, 
+    beta_m, beta_h, Rib_max, Re_rough_min, 
+    B1_rough, B2_rough,
+    B_max_land, B_max_ocean, B_max_lake,
+    gamma_c, Re_visc_min,
+    Pr_m, nu_air, g, 
+    maxiters_charnock, maxiters_convection, 
     grid_size);
 #endif
 
-- 
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