Fix SYCL vector for oneapi 2025

.github/workflows/ubuntu-latest-oneapi.yml

@@ -0,0 +1,45 @@
+name: Build - Ubuntu/dpcpp
+
+on:
+  pull_request:
+  merge_group:
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.ref_name }}
+  cancel-in-progress: true
+
+env:
+  # Customize the CMake build type here (Release, Debug, RelWithDebInfo, etc.)
+  BUILD_TYPE: Release
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        ONEAPI_VERSION: [
+          '2024.2.1-0-devel-ubuntu22.04',
+          'latest' # 2025.0.0-0-devel-ubuntu24.04 at the time of commit
+        ]
+
+    runs-on: ubuntu-latest
+    container: intel/oneapi-basekit:${{ matrix.ONEAPI_VERSION }}
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Configure CMake
+      run: |
+        cmake \
+        -B ${{github.workspace}}/build \
+        -D CMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} \
+        -D CMAKE_C_COMPILER=$(which icx) \
+        -D CMAKE_CXX_COMPILER=$(which icpx) \
+        -D CMAKE_CXX_FLAGS="-fsycl" \
+        -D SUNDIALS_BUILD_WITH_PROFILING=ON \
+        -D ENABLE_ALL_WARNINGS=ON \
+        -D ENABLE_WARNINGS_AS_ERRORS=ON \
+        -D ENABLE_SYCL=ON
+
+    - name: Build
+      run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}}

examples/cvode/CXX_sycl/cvAdvDiff_kry_sycl.cpp

@@ -293,9 +293,9 @@ static int jtv(N_Vector v, N_Vector Jv, sunrealtype t, N_Vector u, N_Vector fu,
       h.parallel_for(sycl::range{MX, MY},
                      [=](sycl::id<2> idx)
                      {
-                       sunindextype i   = idx[0];
-                       sunindextype j   = idx[1];
-                       sunindextype tid = i * MY + j;
+                       size_t i   = idx[0];
+                       size_t j   = idx[1];
+                       size_t tid = i * MY + j;
 
                        // set the tid-th element of Jv
                        Jvdata[tid] = -TWO * (verdc + hordc) * vdata[tid];

include/nvector/nvector_sycl.h

@@ -105,7 +105,7 @@ static inline sunrealtype* N_VGetDeviceArrayPointer_Sycl(N_Vector x)
  * NVECTOR API functions
  * ----------------------------------------------------------------- */
 
-static inline N_Vector_ID N_VGetVectorID_Sycl(N_Vector v)
+static inline N_Vector_ID N_VGetVectorID_Sycl(N_Vector)
 {
   return SUNDIALS_NVEC_SYCL;
 }

include/sundials/sundials_sycl_policies.hpp

@@ -50,13 +50,14 @@ class ThreadDirectExecPolicy : public ExecPolicy
     : blockDim_(ex.blockDim_)
   {}
 
-  virtual size_t gridSize(size_t numWorkUnits = 0, size_t blockDim = 0) const
+  virtual size_t gridSize(size_t numWorkUnits = 0, size_t /* blockDim */ = 0) const
   {
     /* ceil(n/m) = floor((n + m - 1) / m) */
     return (numWorkUnits + blockSize() - 1) / blockSize();
   }
 
-  virtual size_t blockSize(size_t numWorkUnits = 0, size_t gridDim = 0) const
+  virtual size_t blockSize(size_t /* numWorkUnits */ = 0,
+                           size_t /* gridDim */      = 0) const
   {
     return blockDim_;
   }
@@ -86,12 +87,14 @@ class GridStrideExecPolicy : public ExecPolicy
     : blockDim_(ex.blockDim_), gridDim_(ex.gridDim_)
   {}
 
-  virtual size_t gridSize(size_t numWorkUnits = 0, size_t blockDim = 0) const
+  virtual size_t gridSize(size_t /* numWorkUnits */ = 0,
+                          size_t /* blockDim */     = 0) const
   {
     return gridDim_;
   }
 
-  virtual size_t blockSize(size_t numWorkUnits = 0, size_t gridDim = 0) const
+  virtual size_t blockSize(size_t /* numWorkUnits */ = 0,
+                           size_t /* gridDim */      = 0) const
   {
     return blockDim_;
   }
@@ -124,7 +127,7 @@ class BlockReduceExecPolicy : public ExecPolicy
     : blockDim_(ex.blockDim_), gridDim_(ex.gridDim_)
   {}
 
-  virtual size_t gridSize(size_t numWorkUnits = 0, size_t blockDim = 0) const
+  virtual size_t gridSize(size_t numWorkUnits = 0, size_t /* blockDim */ = 0) const
   {
     if (gridDim_ == 0)
     {
@@ -133,7 +136,8 @@ class BlockReduceExecPolicy : public ExecPolicy
     return gridDim_;
   }
 
-  virtual size_t blockSize(size_t numWorkUnits = 0, size_t gridDim = 0) const
+  virtual size_t blockSize(size_t /* numWorkUnits */ = 0,
+                           size_t /* gridDim */      = 0) const
   {
     return blockDim_;
   }

src/nvector/sycl/nvector_sycl.cpp

@@ -1146,7 +1146,7 @@ sunrealtype N_VWrmsNorm_Sycl(N_Vector x, N_Vector w)
 {
   const sunindextype N  = NVEC_SYCL_LENGTH(x);
   const sunrealtype sum = N_VWSqrSumLocal_Sycl(x, w);
-  return std::sqrt(sum / N);
+  return ::sycl::sqrt(sum / N);
 }
 
 sunrealtype N_VWSqrSumMaskLocal_Sycl(N_Vector x, N_Vector w, N_Vector id)
@@ -1192,7 +1192,7 @@ sunrealtype N_VWrmsNormMask_Sycl(N_Vector x, N_Vector w, N_Vector id)
 {
   const sunindextype N  = NVEC_SYCL_LENGTH(x);
   const sunrealtype sum = N_VWSqrSumMaskLocal_Sycl(x, w, id);
-  return std::sqrt(sum / N);
+  return ::sycl::sqrt(sum / N);
 }
 
 sunrealtype N_VMin_Sycl(N_Vector x)
@@ -1233,7 +1233,7 @@ sunrealtype N_VMin_Sycl(N_Vector x)
 
 sunrealtype N_VWL2Norm_Sycl(N_Vector x, N_Vector w)
 {
-  return std::sqrt(N_VWSqrSumLocal_Sycl(x, w));
+  return ::sycl::sqrt(N_VWSqrSumLocal_Sycl(x, w));
 }
 
 sunrealtype N_VL1Norm_Sycl(N_Vector x)
@@ -2285,14 +2285,14 @@ static int FusedBuffer_CopyRealArray(N_Vector v, sunrealtype* rdata, int nval,
     return SUN_ERR_GENERIC;
   }
 
-  sunrealtype* h_buffer = (sunrealtype*)((char*)(vcp->fused_buffer_host->ptr) +
-                                         vcp->fused_buffer_offset);
+  sunrealtype* h_buffer = reinterpret_cast<sunrealtype*>(
+    (char*)(vcp->fused_buffer_host->ptr) + vcp->fused_buffer_offset);
 
   for (int j = 0; j < nval; j++) { h_buffer[j] = rdata[j]; }
 
   /* Set shortcut to the device buffer and update offset*/
-  *shortcut = (sunrealtype*)((char*)(vcp->fused_buffer_dev->ptr) +
-                             vcp->fused_buffer_offset);
+  *shortcut = reinterpret_cast<sunrealtype*>(
+    (char*)(vcp->fused_buffer_dev->ptr) + vcp->fused_buffer_offset);
 
   vcp->fused_buffer_offset += nval * sizeof(sunrealtype);
 
@@ -2314,14 +2314,14 @@ static int FusedBuffer_CopyPtrArray1D(N_Vector v, N_Vector* X, int nvec,
     return SUN_ERR_GENERIC;
   }
 
-  sunrealtype** h_buffer = (sunrealtype**)((char*)(vcp->fused_buffer_host->ptr) +
-                                           vcp->fused_buffer_offset);
+  sunrealtype** h_buffer = reinterpret_cast<sunrealtype**>(
+    (char*)(vcp->fused_buffer_host->ptr) + vcp->fused_buffer_offset);
 
   for (int j = 0; j < nvec; j++) { h_buffer[j] = NVEC_SYCL_DDATAp(X[j]); }
 
   /* Set shortcut to the device buffer and update offset*/
-  *shortcut = (sunrealtype**)((char*)(vcp->fused_buffer_dev->ptr) +
-                              vcp->fused_buffer_offset);
+  *shortcut = reinterpret_cast<sunrealtype**>(
+    (char*)(vcp->fused_buffer_dev->ptr) + vcp->fused_buffer_offset);
 
   vcp->fused_buffer_offset += nvec * sizeof(sunrealtype*);
 
@@ -2342,8 +2342,8 @@ static int FusedBuffer_CopyPtrArray2D(N_Vector v, N_Vector** X, int nvec,
     return SUN_ERR_GENERIC;
   }
 
-  sunrealtype** h_buffer = (sunrealtype**)((char*)(vcp->fused_buffer_host->ptr) +
-                                           vcp->fused_buffer_offset);
+  sunrealtype** h_buffer = reinterpret_cast<sunrealtype**>(
+    (char*)(vcp->fused_buffer_host->ptr) + vcp->fused_buffer_offset);
 
   for (int j = 0; j < nvec; j++)
   {
@@ -2354,8 +2354,8 @@ static int FusedBuffer_CopyPtrArray2D(N_Vector v, N_Vector** X, int nvec,
   }
 
   /* Set shortcut to the device buffer and update offset*/
-  *shortcut = (sunrealtype**)((char*)(vcp->fused_buffer_dev->ptr) +
-                              vcp->fused_buffer_offset);
+  *shortcut = reinterpret_cast<sunrealtype**>(
+    (char*)(vcp->fused_buffer_dev->ptr) + vcp->fused_buffer_offset);
 
   /* Update the offset */
   vcp->fused_buffer_offset += nvec * nsum * sizeof(sunrealtype*);