Merge branch 'reduce_python_dependencies' into regression

# Conflicts:
#	README.md

Author: breyerml

CMakeLists.txt

@@ -288,12 +288,6 @@ else ()
         message(FATAL_ERROR "Can't find Python3. Please manually specify PLSSVM_TARGET_PLATFORMS (e.g. -DPLSSVM_TARGET_PLATFORMS=\"cpu;nvidia:sm_70,sm_86;amd:gfx906;intel:skl\"!")
     endif ()
 
-    include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/check_python_libs.cmake)
-    set(PLSSVM_TARGET_PLATFORMS_PYTHON_SCRIPT_REQUIRED_LIBS cpuinfo GPUtil pyamdgpuinfo pylspci)
-    message(STATUS "Checking required Python3 libraries (${PLSSVM_TARGET_PLATFORMS_PYTHON_SCRIPT_REQUIRED_LIBS}) to automatically determine the PLSSVM_TARGET_PLATFORMS.")
-    set(PLSSVM_TARGET_PLATFORMS_PYTHON_SCRIPT_REQUIRED_LIBS_ERROR_MESSAGE "or manually define PLSSVM_TARGET_PLATFORMS (e.g. -DPLSSVM_TARGET_PLATFORMS=\"cpu;nvidia:sm_70,sm_86;amd:gfx906;intel:skl\"!")
-    check_python_libs(${PLSSVM_TARGET_PLATFORMS_PYTHON_SCRIPT_REQUIRED_LIBS} ${PLSSVM_TARGET_PLATFORMS_PYTHON_SCRIPT_REQUIRED_LIBS_ERROR_MESSAGE})
-    
     # run our `plssvm_target_platforms.py` script to determine the PLSSVM_TARGET_PLATFORMS string
     execute_process(
             COMMAND ${Python3_EXECUTABLE} "${CMAKE_CURRENT_SOURCE_DIR}/utility_scripts/plssvm_target_platforms.py" "--quiet"

README.md

@@ -188,13 +188,9 @@ Valid targets are:
 - `intel`: compile for Intel GPUs; **at least one** architectural specification is necessary, e.g., `intel:skl`
 
 At least one of the above targets must be present. If the option `PLSSVM_TARGET_PLATFORMS` is not present, the targets 
-are automatically determined using the Python3 `utility_scripts/plssvm_target_platforms.py` script (required Python3 dependencies:
-[`argparse`](https://docs.python.org/3/library/argparse.html), [`py-cpuinfo`](https://pypi.org/project/py-cpuinfo/),
-[`GPUtil`](https://pypi.org/project/GPUtil/), [`pyamdgpuinfo`](https://pypi.org/project/pyamdgpuinfo/), and
-[`pylspci`](https://pypi.org/project/pylspci/)).
+are automatically determined using the Python3 `utility_scripts/plssvm_target_platforms.py` script.
 
-Note that when using DPC++/icpx only a single architectural specification for `cpu`, `nvidia` or `amd` is allowed and that
-automatically retrieving AMD GPU information on Windows is currently not supported due to `pyamdgpuinfo` limitations.
+Note that when using DPC++/icpx only a single architectural specification for `cpu`, `nvidia` or `amd` is allowed.
 
 
 ```bash
@@ -204,8 +200,9 @@ python3 utility_scripts/plssvm_target_platforms.py --help
 usage: plssvm_target_platforms.py [-h] [--quiet]
 
 optional arguments:
-  -h, --help  show this help message and exit
-  --quiet     only output the final PLSSVM_TARGET_PLATFORMS string
+  -h, --help   show this help message and exit
+  --quiet      only output the final PLSSVM_TARGET_PLATFORMS string
+  --gpus_only  only output gpu architectures to the final PLSSVM_TARGET_PLATFORMS string
 ```
 
 Example invocation:
@@ -214,10 +211,9 @@ Example invocation:
 python3 utility_scripts/plssvm_target_platforms.py
 ```
 ```
-Intel(R) Core(TM) i9-10980XE CPU @ 3.00GHz: {'avx512': True, 'avx2': True, 'avx': True, 'sse4_2': True}
+supported CPU SIMD flags: {'avx512': True, 'avx2': True, 'avx': True, 'sse4_2': True}
 
-Found 1 NVIDIA GPU(s):
-  1x NVIDIA GeForce RTX 3080: sm_86
+Found 1 NVIDIA GPU(s): [sm_86]
 
 Possible -DPLSSVM_TARGET_PLATFORMS entries:
 cpu:avx512;nvidia:sm_86
@@ -231,13 +227,11 @@ or with the `--quiet` flag provided:
 python3 utility_scripts/plssvm_target_platforms.py --quiet
 ```
 ```
-cpu:avx512;intel:dg1
+cpu:avx512;nvidia:sm_86
 ```
 
 If the architectural information for the requested GPU could not be retrieved, one option would be to have a look at:
 
-- for NVIDIA GPUs:  [Your GPU Compute Capability](https://developer.nvidia.com/cuda-gpus)
-- for AMD GPUs: [clang AMDGPU backend usage](https://llvm.org/docs/AMDGPUUsage.html)
 - for Intel GPUs and CPUs: [Ahead of Time Compilation](https://www.intel.com/content/www/us/en/develop/documentation/oneapi-dpcpp-cpp-compiler-dev-guide-and-reference/top/compilation/ahead-of-time-compilation.html) and [Intel graphics processor table](https://dgpu-docs.intel.com/devices/hardware-table.html)
 
 

install/python_requirements.txt

@@ -1,8 +1,6 @@
 ### optional and required python packages
 
-## for the data set generation
-# LIBSVM
-argparse
+## for the data set generation (LIBSVM file format)
 scikit-learn
 humanize
 
@@ -17,23 +15,11 @@ pandas
 # for plotting the generated data set (only available if #features <= 3)
 matplotlib
 
-
-## for the automatic PLSSVM target platform determination
-# argparse
-py-cpuinfo
-GPUtil
-pyamdgpuinfo; platform_system != "Windows"
-pylspci
-
-
 ## for the performance tracker parser
-# argparse
 # matplotlib
 pyyaml
 pint
 
-
 ## for the performance analysis
-# argparse
 # scikit-learn
 wrapt-timeout-decorator