[conda] Split GPU runtime into dal-gpu package

conda-recipe/build.sh

@@ -15,9 +15,33 @@
 # limitations under the License.
 #===============================================================================
 
-export TBBROOT=$PREFIX
 export DPL_ROOT=$PREFIX
 
+# Use isolated TBBROOT staging so we don't create files under $PREFIX that may
+# accidentally end up in output packages.
+# conda-forge tbb-devel may expose only versioned SONAMEs (libtbb.so.<N>,
+# libtbbmalloc.so.<N>, etc.) while oneDAL Make expects unversioned names in
+# TBBROOT/lib prerequisites.  Mirror the full libtbb* tree into a staging dir,
+# adding unversioned symlinks where missing.
+export TBBROOT="$SRC_DIR/__tbbroot"
+mkdir -p "$TBBROOT/lib" "$TBBROOT/include"
+
+# Symlink TBB headers (TBBROOT/include -> $PREFIX/include)
+ln -sfn "$PREFIX/include" "$TBBROOT/include"
+
+# Mirror all libtbb* shared objects and create unversioned symlinks if absent
+for versioned in "$PREFIX/lib"/libtbb*.so.*; do
+    [ -e "$versioned" ] || continue
+    libname=$(basename "$versioned")
+    # Link versioned file into staging dir
+    ln -sfn "$versioned" "$TBBROOT/lib/$libname"
+    # Derive unversioned name: libtbbmalloc.so.2.6 -> libtbbmalloc.so
+    unversioned="${libname%%\.so\.*}.so"
+    if [ ! -e "$TBBROOT/lib/$unversioned" ]; then
+        ln -sfn "$versioned" "$TBBROOT/lib/$unversioned"
+    fi
+done
+
 # default flags set by conda-build create problems with oneDAL build system
 unset CFLAGS LDFLAGS CXXFLAGS
 # CONDA_CXX_COMPILER is set by the conda recipe

conda-recipe/meta.yaml

@@ -34,8 +34,12 @@ build:
   number: {{ buildnumber }}
   string: h{{ git_hash }}_{{ buildnumber }}_{{ cxx_compiler }}
   include_recipe: False
-  ignore_run_exports_from:
-    - dpcpp_impl_linux-64  # [linux64 or win]
+  # Note: ignore_run_exports_from is NOT set globally here.
+  # It is set per-output: dal (CPU) ignores dpcpp_impl run_exports so it
+  # does not pull GPU/SYCL runtime.  dal-gpu does NOT ignore them, so it
+  # automatically inherits the compatible intel-sycl-rt pin declared by
+  # dpcpp_impl_linux-64 via run_exports, keeping SYCL runtime in sync
+  # with the compiler used at build time.
   script_env:
     # All build targets are used by default and AVX2 only for CI.
     # Override REQCPU to reduce manual build time if needed: `REQCPU=avx512 conda build .`
@@ -62,19 +66,47 @@ requirements:
 
 outputs:
   - name: dal
+    build:
+      # Suppress dpcpp_impl run_exports for the CPU-only package:
+      # dal must not pull GPU/SYCL runtime (intel-sycl-rt).
+      ignore_run_exports_from:
+        - dpcpp_impl_linux-64  # [linux64 or win]
     script: pack.sh  # [linux]
     requirements:
       run:
         - tbb
     test:
       commands:
         - test -f $PREFIX/lib/libonedal_core.so.{{ major_binary_version }}  # [linux]
-        - test -f $PREFIX/lib/libonedal_dpc.so.{{ major_binary_version }}  # [linux]
         - test -f $PREFIX/lib/libonedal_thread.so.{{ major_binary_version }}  # [linux]
     about:
-      summary: oneAPI Data Analytics Library (oneDAL) runtime libraries
+      summary: oneAPI Data Analytics Library (oneDAL) CPU runtime libraries
+
+  - name: dal-gpu
+    build:
+      skip: true  # [cxx_compiler != "dpcpp" or not linux64]
+      # Do NOT set ignore_run_exports_from here: dpcpp_impl_linux-64 declares
+      # run_exports with a compatible intel-sycl-rt pin.  dal-gpu inherits it
+      # automatically — no manual pin needed.
+    script: pack.sh  # [linux]
+    requirements:
+      run:
+        - {{ pin_subpackage('dal', exact=True) }}
+        # intel-sycl-rt is intentionally absent from the explicit run: list.
+        # It is injected automatically via run_exports from dpcpp_impl_linux-64,
+        # ensuring the SYCL runtime version matches the compiler used to build.
+        - mkl-dpcpp  # [linux64]
+    test:
+      commands:
+        - test -f $PREFIX/lib/libonedal_dpc.so.{{ major_binary_version }}  # [linux]
+        - test -f $PREFIX/lib/libonedal_parameters_dpc.so.{{ major_binary_version }}  # [linux]
+    about:
+      summary: oneAPI Data Analytics Library (oneDAL) GPU/DPC++ runtime library
 
   - name: dal-include
+    build:
+      ignore_run_exports_from:
+        - dpcpp_impl_linux-64  # [linux64 or win]
     script: pack.sh  # [linux]
     test:
       commands:
@@ -83,6 +115,9 @@ outputs:
       summary: Headers for building against oneAPI Data Analytics Library (oneDAL)
 
   - name: dal-static
+    build:
+      ignore_run_exports_from:
+        - dpcpp_impl_linux-64  # [linux64 or win]
     script: pack.sh  # [linux]
     requirements:
       run:
@@ -95,6 +130,9 @@ outputs:
       summary: Static libraries for oneAPI Data Analytics Library (oneDAL)
 
   - name: dal-devel
+    build:
+      ignore_run_exports_from:
+        - dpcpp_impl_linux-64  # [linux64 or win]
     script: pack.sh  # [linux]
     requirements:
       run:
@@ -109,6 +147,7 @@ outputs:
         - mkl-devel
         - mkl-static
         - mkl-devel-dpcpp  # [ cxx_compiler == "dpcpp" ]
+        - dal-gpu =={{ version }}  # [ cxx_compiler == "dpcpp" ]
       source_files:
         - examples
       script: test-devel.sh  # [linux]

conda-recipe/pack.sh

@@ -24,9 +24,21 @@ if [ "$PKG_NAME" = "dal-devel" ]; then
     cp -r "env" "$PREFIX/"
     cp -r "lib/cmake" "$PREFIX/lib/"
     cp -r "lib/pkgconfig" "$PREFIX/lib/"
+    # Install example datasets so dal-devel test can find them via $CONDA_PREFIX/data
+    if [ -d "../../examples/oneapi/data" ]; then
+        mkdir -p "$PREFIX/share/oneDAL/data"
+        cp -f "../../examples/oneapi/data/"*.csv "$PREFIX/share/oneDAL/data/" 2>/dev/null || true
+    elif [ -d data ]; then
+        mkdir -p "$PREFIX/share/oneDAL/data"
+        cp -f data/*.csv "$PREFIX/share/oneDAL/data/" 2>/dev/null || true
+    fi
     # set up links necessary for proper works of pkg-config, cmake and env. script
     mkdir -p "$PREFIX/lib/intel64"
     for lib in lib/intel64/libonedal*.so*; do
+        # Keep dal-devel CPU-oriented: do not create intel64 links for DPC runtime libs.
+        case "$lib" in
+            *"_dpc"*) continue ;;
+        esac
         if [ -f "$lib" ]; then
             libname=$(basename "$lib")
             ln -sf "../$libname" "$PREFIX/lib/intel64/$libname"
@@ -40,9 +52,13 @@ if [ "$PKG_NAME" = "dal-include" ]; then
     mkdir -p "$PREFIX/include"
     cp -r include/* "$PREFIX/include/"
 fi
-# copy libraries
+# copy CPU runtime libraries (excludes all DPC++ runtime libs, moved to dal-gpu)
 if [ "$PKG_NAME" = "dal" ]; then
-    find lib/intel64 -name "libonedal*.so*" -exec cp -P {} "$PREFIX/lib/" \;
+    find lib/intel64 -name "libonedal*.so*" ! -name "libonedal*_dpc*" -exec cp -P {} "$PREFIX/lib/" \;
+fi
+# copy GPU/DPC++ runtime libraries
+if [ "$PKG_NAME" = "dal-gpu" ]; then
+    find lib/intel64 -name "libonedal*_dpc*.so*" -exec cp -P {} "$PREFIX/lib/" \;
 fi
 if [ "$PKG_NAME" = "dal-static" ]; then
     find lib/intel64 -name "libonedal*.a" -exec cp {} "$PREFIX/lib/" \;

conda-recipe/test-devel.sh

@@ -1,4 +1,5 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
+set -euo pipefail
 #===============================================================================
 # Copyright contributors to the oneDAL project
 #
@@ -23,6 +24,7 @@ source $CONDA_PREFIX/env/vars.sh
 run_examples() {
     local interface_name=$1
     local linking_type=$2
+    local extra_cmake_args=${3:-""}
 
     if [ "$linking_type" == "dynamic" ]; then
         library_postfix="so"
@@ -32,7 +34,16 @@ run_examples() {
 
     (
         cd examples/$interface_name/cpp
-        mkdir build_$linking_type
+        # Ensure oneapi example datasets are reachable for get_data_path().
+        # Preferred layout is ../data relative to this directory.
+        if [ ! -d ../data ] && [ -d "$CONDA_PREFIX/share/oneDAL/data" ]; then
+            ln -sf "$CONDA_PREFIX/share/oneDAL/data" ../data
+        fi
+        if [ ! -e data ] && [ -d ../data ]; then
+            ln -s ../data data
+        fi
+        rm -rf build_$linking_type
+        mkdir -p build_$linking_type
 
         (
             cd build_$linking_type
@@ -44,22 +55,120 @@ run_examples() {
             if [ "$linking_type" == "static" ]; then
                 cmake_args="$cmake_args -DTBB_tbb_FOUND=YES"
             fi
+            cmake_args="$cmake_args $extra_cmake_args"
 
             cmake .. $cmake_args
             make -j$(nproc)
         )
 
-        for example in _cmake_results/intel_intel64_$library_postfix/*; do
+        examples_pattern="_cmake_results/intel_intel64_$library_postfix/*"
+        set -- $examples_pattern
+        if [ "$1" = "$examples_pattern" ]; then
+            echo "ERROR: no built examples found for $interface_name-$linking_type"
+            return 1
+        fi
+
+        for example in "$@"; do
+            echo "================"
+            echo "Running example: $interface_name-$linking_type-$(basename "$example")"
+            echo "================"
+            "$example"
+        done
+    )
+}
+
+run_dpc_examples() {
+    # DPC++ examples are validated only in dynamic mode.
+    # We do not produce static DPC++ artifacts in conda packaging.
+    local linking_type="dynamic"
+    local library_postfix="so"
+
+    (
+        cd examples/oneapi/dpc
+        # Keep data path layout consistent with oneapi/cpp examples.
+        if [ ! -d ../data ] && [ -d "$CONDA_PREFIX/share/oneDAL/data" ]; then
+            ln -sf "$CONDA_PREFIX/share/oneDAL/data" ../data
+        fi
+        if [ ! -e data ] && [ -d ../data ]; then
+            ln -s ../data data
+        fi
+        rm -rf build_$linking_type
+        mkdir -p build_$linking_type
+
+        (
+            cd build_$linking_type
+
+            cmake_args="-DONEDAL_LINK=$linking_type"
+            # Note: MKL cmake config (incl. SYCL variant) requires TBB to be findable at configure time.
+            # conda-forge tbb-devel does not ship TBBConfig.cmake, so we set TBB as found manually
+            # (same approach as for the static CPU build above).
+            cmake_args="$cmake_args -DTBB_tbb_FOUND=YES"
+
+            cmake .. $cmake_args
+            make -j$(nproc)
+        )
+
+        examples_pattern="_cmake_results/intel_intel64_$library_postfix/*"
+        set -- $examples_pattern
+        if [ "$1" = "$examples_pattern" ]; then
+            echo "ERROR: no built oneapi/dpc examples found"
+            return 1
+        fi
+
+        for example in "$@"; do
             echo "================"
-            echo "Running example: $interface_name-$linking_type-$(basename $example)"
+            echo "Running example: oneapi-dpc-$linking_type-$(basename "$example")"
             echo "================"
-            $example
+            "$example"
         done
     )
 }
 
+# ============================================================
+# CPU-only tests: oneapi/cpp + daal (no GPU lib required)
+# These must pass even without dal-gpu installed.
+# ============================================================
+echo "========================================"
+echo "Running CPU examples: oneapi/cpp dynamic"
+echo "========================================"
 run_examples oneapi dynamic
+
+echo "========================================"
+echo "Running CPU examples: oneapi/cpp static"
+echo "========================================"
 run_examples oneapi static
+
+echo "========================================"
+echo "Running CPU examples: daal/cpp dynamic"
+echo "========================================"
 run_examples daal dynamic
+
+echo "========================================"
+echo "Running CPU examples: daal/cpp static"
+echo "========================================"
 run_examples daal static
+
+# ============================================================
+# GPU/DPC++ tests: oneapi/dpc (requires dal-gpu / libonedal_dpc.so)
+# Skipped if GPU library is not installed.
+# ============================================================
+has_dpc=$(find "$CONDA_PREFIX/lib" -maxdepth 1 -name "libonedal_dpc.so*" | head -1)
+has_dpc_params=$(find "$CONDA_PREFIX/lib" -maxdepth 1 -name "libonedal_parameters_dpc.so*" | head -1)
+if [ -n "$has_dpc" ] && [ -n "$has_dpc_params" ]; then
+    # Workaround: MKL cmake config requires unversioned libtbb.so for tbb_thread threading.
+    # conda-forge tbb-devel may only provide versioned soname (libtbb.so.<N>).
+    if [ ! -f "$CONDA_PREFIX/lib/libtbb.so" ]; then
+        tbb_so=$(find "$CONDA_PREFIX/lib" -maxdepth 1 -name "libtbb.so.*" | head -1)
+        [ -n "$tbb_so" ] && ln -sf "$(basename "$tbb_so")" "$CONDA_PREFIX/lib/libtbb.so"
+    fi
+    echo "========================================"
+    echo "Running GPU/DPC++ examples: oneapi/dpc dynamic"
+    echo "========================================"
+    run_dpc_examples
+else
+    echo "========================================"
+    echo "Skipping GPU/DPC++ examples: dal-gpu is not fully installed"
+    echo "========================================"
+fi
+
 # TODO: add testing for samples