File python-openTSNE-disable-CPU-autodetection.patch of Package python-openTSNE

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File python-openTSNE-disable-CPU-autodetection.patch of Package python-openTSNE

Author: Bernhard M. Wiedemann <bwiedemann suse de>
Date: 2021-04-01

Do not build code using instructions because they are available on a random build worker.

Instead we pin the CPU type to a reasonable compromise
to allow people to run it on >50% of systems,
but also to use CPU instructions available since 10+ years
to speed up processing.

Index: openTSNE-1.0.1/setup.py
===================================================================
--- openTSNE-1.0.1.orig/setup.py
+++ openTSNE-1.0.1/setup.py
@@ -155,9 +155,9 @@ class CythonBuildExt(build_ext):
         # package is being built locally, this is desired
         if not ("AZURE_BUILD" in os.environ or "CONDA_BUILD" in os.environ):
             if platform.machine() == "ppc64le":
-                extra_compile_args += ["-mcpu=native"]
+                extra_compile_args += ["-mcpu=power8"]
             if platform.machine() == "x86_64":
-                extra_compile_args += ["-march=native"]
+                extra_compile_args += ["-march=corei7"]
 
         # We will disable openmp flags if the compiler doesn't support it. This
         # is only really an issue with OSX clang

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File python-openTSNE-disable-CPU-autodetection.patch of Package python-openTSNE

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