Make: Drop s390x and ppc64le

Author: ashvardanian

CONTRIBUTING.md

@@ -149,7 +149,6 @@ cibuildwheel --platform linux                   # works on any OS and builds all
 cibuildwheel --platform linux --archs x86_64    # 64-bit x86, the most common on desktop and servers
 cibuildwheel --platform linux --archs aarch64   # 64-bit Arm for mobile devices, Apple M-series, and AWS Graviton
 cibuildwheel --platform linux --archs i686      # 32-bit Linux
-cibuildwheel --platform linux --archs s390x     # emulating big-endian IBM Z
 cibuildwheel --platform macos                   # works only on MacOS
 cibuildwheel --platform windows                 # works only on Windows
 ```

README.md

@@ -9,7 +9,7 @@ The rare few that support minimal mixed precision, run only on one platform, and
 SimSIMD provides an alternative.
 1️⃣ SimSIMD functions are practically as fast as `memcpy`.
 2️⃣ Unlike BLAS, most kernels are designed for mixed-precision and bit-level operations.
-3️⃣ SimSIMD [compiles to more platforms than NumPy (105 vs 35)][compatibility] and has more backends than most BLAS implementations, and more high-level interfaces than most libraries.
+3️⃣ SimSIMD often [ships more binaries than NumPy][compatibility] and has more backends than most BLAS implementations, and more high-level interfaces than most libraries.
 
 [benchmarks]: https://ashvardanian.com/posts/simsimd-faster-scipy
 [compatibility]: https://pypi.org/project/simsimd/#files

pyproject.toml

@@ -1,11 +1,11 @@
 # This file configures wheels compilation for `cibuilwheel` for SimSIMD CPython bindings.
 # On a good day it will produce:
-#   - `manylinux` and `musllinux` wheels for Linux on x86_64, aarch64, i686, ppc64le, s390x;
+#   - `manylinux` and `musllinux` wheels for Linux on x86_64, aarch64, i686;
 #   - `macos` wheels for x86_64, arm64, and universal2;
 #   - `windows` wheels for AMD64, x86, and ARM64.
 #   * for 7 Python versions from 3.7 to 3.13.
 #   * running thousands of fuzzy tests on each wheel.
-#   = meaning 16 platforms * 7 Python versions = 96 builds.
+#   = meaning 12 platforms * 7 Python versions = 84 builds.
 [build-system]
 requires = ["setuptools>=42"]
 build-backend = "setuptools.build_meta"
@@ -31,20 +31,20 @@ test-command = """
 """
 
 # We need to build for all platforms:
-# - on Linux: x86_64, aarch64, i686, ppc64le, s390x
+# - on Linux: x86_64, aarch64, i686
 # - on MacOS: x86_64, arm64, universal2
 # - on Windows: AMD64, x86, ARM64
 # https://cibuildwheel.readthedocs.io/en/stable/options/#archs
 #
-# Important to note, not all those paltforms have recent images.
-# The `manylinux_2_28` seems to be missing for `s390x`, `i686`, and `ppc64le`.
+# Important to note, not all those platforms have recent images.
+# The `manylinux_2_28` seems to be missing for `i686`.
 # The `i686` is 32-bit x86, and `x86_64` is 64-bit x86.
 archs = ["all"]
 
 # Add "pp*" to skip PyPy builds, but they should work fine these days :)
 # https://cibuildwheel.readthedocs.io/en/stable/options/#build-skip
 # https://cibuildwheel.readthedocs.io/en/stable/#what-does-it-do
-skip = []
+skip = ["*s390x*", "*ppc64le*"]
 
 # Testing half-precision math in QEMU is unreliable!
 environment-pass = ["SIMSIMD_IN_QEMU"]
@@ -63,10 +63,8 @@ repair-wheel-command = "auditwheel repair --lib-sdir . -w {dest_dir} {wheel}"
 # - for `musllinux`: https://quay.io/search?q=musllinux
 manylinux-x86_64-image = "manylinux_2_28"
 manylinux-aarch64-image = "manylinux_2_28"
-manylinux-s390x-image = "manylinux_2_28"
 musllinux-x86_64-image = "musllinux_1_2"
 musllinux-aarch64-image = "musllinux_1_2"
-musllinux-s390x-image = "musllinux_1_2"
 
 # On CentOS we have to use `yum`.
 # The healthy version would be: `apt-get update && apt-get install -y libc6-dev wget python3-dev`.