update requirements (#3027)

bump up python and make a note about latest ROCm
also eliminate refs to StarKiller

Author: zingale

Docs/source/Introduction.rst

@@ -24,8 +24,8 @@ Castro's major capabilities:
   * adaptive mesh refinement with subcycling; jumps of 2x and 4x
     between levels (see :ref:`ch:amr`)
 
-  * arbitrary equation of state (provided by the companion StarKiller
-    Microphysics project)
+  * arbitrary equation of state (provided by the companion `AMReX-Astro
+    Microphysics <https://github.com/amrex-astro/Microphysics>`_ project)
 
   * general nuclear reaction networks
 
@@ -110,5 +110,3 @@ throughout the code documentation and papers.
 
 Physical constants, again using the CGS system are available
 in ``Microphysics/constants/``.
-
-

Docs/source/getting_started.rst

@@ -16,7 +16,7 @@ general requirements to build Castro are:
 
  * A C++17 (or later) compiler (for GCC, we need >= 9.0 for CUDA compilation)
 
- * python (>= 3.7)
+ * python (>= 3.10)
 
  * GNU make (>= 3.82)
 
@@ -26,7 +26,7 @@ For running in parallel, an MPI library is required.  For running on GPUs:
 
 * CUDA 11 or later is required for NVIDIA GPUs
 
-* ROCM 4.5 or later is required for AMD GPUs
+* ROCM 6.3.1 or later is required for AMD GPUs (earlier versions have a register allocation bug)
 
 More information on parallel builds is given in section
 :ref:`ch:mpiplusx`.

README.md

@@ -28,7 +28,7 @@ through running your first problem:
 https://amrex-astro.github.io/Castro/docs/getting_started.html
 
 This will have you clone Castro and its dependencies (AMReX and
-StarKiller Microphysics),
+AMReX-Astro Microphysics),
 
 The User's Guide in written in re-structured text using Sphinx, with
 the source in `Castro/Docs/`, and is built automatically