Adds candle package

pkgs/candle/default.nix

+{ lib
+, src
+, stdenv
+, libnrm
+, nrmSupport ? false
+, pythonPackages
+, hdf5
+}:
+
+let
+  inherit (stdenv.lib) optional;
+in
+
+stdenv.mkDerivation rec {
+  name = "candle";
+
+  inherit src;
+
+  buildInputs = [
+    pythonPackages.tensorflow
+    hdf5
+    pythonPackages.Theano
+    pythonPackages.Keras
+    pythonPackages.requests
+    pythonPackages.pandas
+    pythonPackages.scikitlearn
+    pythonPackages.matplotlib
+    pythonPackages.tqdm
+    pythonPackages.numpy
+    pythonPackages.opencv
+  ] ++ (optional nrmSupport libnrm);
+
+}

pkgs/candle/pin.json

+{
+  "fetch": {
+    "args": {
+      "fetchSubmodules": false,
+      "rev": "bdcd7aff38b58156eba5713df96d3abe1f333bf3",
+      "sha256": "1ngdkcw3x4g90all6hp2yg53qm4nidjl8zm8l5ibf54wi53gr6q6",
+      "url": "https://xgitlab.cels.anl.gov/argo/applications/candle/Benchmarks.git"
+    },
+    "fn": "fetchgit"
+  },
+  "rev": "refs/heads/progress-nrm",
+  "type": "fetchgit",
+  "url": "https://xgitlab.cels.anl.gov/argo/applications/candle/Benchmarks.git"
+}
\ No newline at end of file

pkgs/clblas/default.nix

+{ stdenv
+, fetchFromGitHub
+, cmake
+, gfortran
+, blas
+, boost
+, python
+, ocl-icd
+, opencl-headers
+, Accelerate, CoreGraphics, CoreVideo, OpenCL
+}:
+
+stdenv.mkDerivation rec {
+  name = "clblas-${version}";
+  version = "2.12";
+
+  src = fetchFromGitHub {
+    owner = "clMathLibraries";
+    repo = "clBLAS";
+    rev = "v${version}";
+    sha256 = "154mz52r5hm0jrp5fqrirzzbki14c1jkacj75flplnykbl36ibjs";
+  };
+
+  patches = [ ./platform.patch ];
+
+  postPatch = ''
+    sed -i -re 's/(set\(\s*Boost_USE_STATIC_LIBS\s+).*/\1OFF\ \)/g' src/CMakeLists.txt
+  '';
+
+  preConfigure = ''
+    cd src
+  '';
+
+  cmakeFlags = [
+     "-DBUILD_TEST=OFF"
+  ];
+
+  buildInputs = [
+    cmake
+    gfortran
+    blas
+    python
+    boost
+  ] ++ stdenv.lib.optionals (!stdenv.isDarwin) [
+    ocl-icd
+    opencl-headers
+  ] ++ stdenv.lib.optionals stdenv.isDarwin [
+    Accelerate
+    CoreGraphics
+    CoreVideo
+  ];
+  propagatedBuildInputs = stdenv.lib.optionals stdenv.isDarwin [
+    OpenCL
+  ];
+
+  enableParallelBuilding = true;
+
+  meta = with stdenv.lib; {
+    homepage = "https://github.com/clMathLibraries/clBLAS";
+    description = "A software library containing BLAS functions written in OpenCL";
+    longDescription = ''
+      This package contains a library of BLAS functions on top of OpenCL.
+    '';
+    license = licenses.asl20;
+    maintainers = with maintainers; [ artuuge ];
+    platforms = platforms.unix;
+  };
+
+}

pkgs/clblas/platform.patch

+diff --git a/src/library/tools/ktest/config.cpp b/src/library/tools/ktest/config.cpp
+index 8b20128..faf9bde 100644
+--- a/src/library/tools/ktest/config.cpp
++++ b/src/library/tools/ktest/config.cpp
+@@ -24,8 +24,6 @@
+ 
+ using namespace clMath;
+ 
+-static const char DEFAULT_PLATFORM_NAME[] = "AMD Accelerated Parallel Processing";
+-
+ Config::Config() :
+     defaultConfig_(""),
+     cpp_("ktest.cpp"),
+@@ -35,7 +33,10 @@ Config::Config() :
+     hasFuncID_(false), hasSubdims_(false),
+     skipAccuracy_(false)
+ {
+-    setPlatform(DEFAULT_PLATFORM_NAME);
++    platform_ = NULL;
++    setPlatform("");
++
++    device_ = NULL;
+     setDevice("");
+ 
+     memset(&kargs_, 0, sizeof(kargs_));
+@@ -262,7 +263,7 @@ Config::setPlatform(const std::string& name)
+             continue;
+         }
+         if (name.empty()) {
+-            found = (strcmp(pname, DEFAULT_PLATFORM_NAME) == 0);
++	    found = true;
+         }
+         else {
+             found = (strcmp(pname, name.c_str()) == 0);

pkgs/default.nix

@@ -23,6 +23,7 @@
 , openmc-src       ? fetched openmc/pin.json
 , stream-src       ? fetched stream/pin.json
 , lammps-src       ? fetched lammps/pin.json
+, candle-src       ? fetched candle/pin.json
 
   #source overrides: tooling
 , repoquality-src  ? builtins.fetchGit {inherit (fetched repoquality/pin.json) url rev;}
@@ -169,6 +170,16 @@ let
     lammps       = repLibnrm ./lammps  lammps-src  {};
     stream       = repLibnrm ./stream  stream-src  {iterationCount="2000";};
 
+    callCandlePackage = candlePkgs.lib.callPackageWith (candlePkgs);
+    candleOverlay = self: super: rec { clblas = callCandlePackage ./clblas {
+      inherit (pkgs.darwin.apple_sdk.frameworks) Accelerate CoreGraphics CoreVideo OpenCL;
+      };
+    };
+    candlePkgs = import pkgs.path {
+      overlays = [ candleOverlay ] ;
+    };
+    candle       = callCandlePackage ./candle {src = candle-src; libnrm= libnrm;};
+
     # data (static, non source overridable via arguments)
     openmc-data = fetched openmc/data.json;