Merge branch 'development' into more_riemann_cleaning

Docs/source/mpi_plus_x.rst

@@ -106,6 +106,19 @@ To enable this, compile with::
 
    to the ``make`` line or ``GNUmakefile``.
 
+.. note::
+
+   CUDA 11.2 and later can do link time optimization.  This can
+   increase performance by 10-30% (depending on the application), but
+   may greatly increase the compilation time.  This is disabled by
+   default.  To enable link time optimization, add:
+
+   .. code::
+
+      CUDA_LTO=TRUE
+
+   to the ``make`` line of ``GNUmakefile``.
+
 AMD GPUs
 --------
 
@@ -123,4 +136,3 @@ Working at Supercomputing Centers
 Our best practices for running any of the AMReX Astrophysics codes
 at different supercomputing centers is produced in our workflow
 documentation: https://amrex-astro.github.io/workflow/
-

Exec/hydro_tests/gamma_law_bubble/Problem_Derive.cpp

@@ -52,11 +52,11 @@ void ca_derpi(const Box& bx, FArrayBox& derfab, int dcomp, int /*ncomp*/,
     eos_state.T = dat(i,j,k,UTEMP);
     eos_state.e = dat(i,j,k,UEINT) * rhoInv;
     for (int n = 0; n < NumSpec; n++) {
-      eos_state.xn[n] = dat(i,j,k,UFS+n) / dat(i,j,k,URHO);
+      eos_state.xn[n] = dat(i,j,k,UFS+n) * rhoInv;
     }
 #if NAUX_NET > 0
     for (int n = 0; n < NumAux; n++) {
-      eos_state.aux[n] = dat(i,j,k,UFX+n) / dat(i,j,k,URHO);
+      eos_state.aux[n] = dat(i,j,k,UFX+n) * rhoInv;
     }
 #endif
 

Exec/science/subch_planar/Problem_Derive.H

@@ -0,0 +1,10 @@
+
+void ca_dergradpoverp
+  (const amrex::Box& bx, amrex::FArrayBox& derfab, int dcomp, int /*ncomp*/,
+   const amrex::FArrayBox& datfab, const amrex::Geometry& geomdata,
+   amrex::Real /*time*/, const int* /*bcrec*/, int /*level*/);
+
+void ca_dergradpoverp1
+  (const amrex::Box& bx, amrex::FArrayBox& derfab, int dcomp, int /*ncomp*/,
+   const amrex::FArrayBox& datfab, const amrex::Geometry& geomdata,
+   amrex::Real /*time*/, const int* /*bcrec*/, int /*level*/);