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Name: bandwidth
Version: 1.11.2
Release: alt1

Summary: Artificial benchmark for measuring memory bandwidth
Group: System/Kernel and hardware
License: GPL-2.0
Url: https://zsmith.co/%name.html

Packager: Michael Shigorin <mike at altlinux.org>

Source: https://zsmith.co/archives/%name-%version.tar.gz
Patch: %name-1.11.2-alt-ix86.patch

BuildRequires(pre): rpm-macros-generic-compat
BuildRequires: nasm

ExclusiveArch: %ix86 x86_64 %arm aarch64

%ifarch %ix86
Provides: bandwidth32 = %version
Obsoletes: bandwidth32 <= 0.15
%endif

%define namearch %name%__isa_bits

%description
bandwidth, is an artificial benchmark primarily for measuring memory
bandwidth on x86 and x86_64 based computers, useful for identifying
weaknesses in a computer's memory subsystem, in the bus architecture,
in the cache architecture and in the processor itself.

bandwidth also tests some libc functions and, under GNU/Linux, it
attempts to test framebuffer memory access speed if the framebuffer
device is available.

bandwidth supports:

32- and 64-bit x86 GNU/Linux
Raspberry pi 4 ARM running 64-bit Raspberry Pi OS
Raspberry pi 3/4 ARM running 32-bit Raspberry Pi OS
64-bit x86 Windows
64-bit x86 Mac OS
64-bit M1 Mac OS
Thus it supports four processor architectures:

i386
x86_64
ARM 64-bit (aarch64)
ARM 32-bit (aarch32)


bandwidth is a benchmark to estimate the memory bandwidth of
a system, including main memory, L2 cache, framebuffer memory,
and string library performance.

%prep
%setup
%patch
find ./ -type f -print0 | xargs -r0 chmod -x --
sed -i 's/\(^CFLAGS.*$\)/\1 %(getconf LFS_CFLAGS)/' OOC/Makefile

%build
%ifarch %ix86
   %make_build -f Makefile-linux-i386 %namearch
%endif
%ifarch x86_64
   %make_build -f Makefile-linux-%_arch %namearch
%endif
%ifarch %arm aarch64
   %make_build -f Makefile-arm%__isa_bits %namearch
%endif

%install
# ...so that %_bindir/%name is real file in both packages
install -pDm755 %namearch %buildroot%_bindir/%namearch
ln -s %namearch %buildroot%_bindir/%name

%files
%doc README.txt
%_bindir/%namearch
%_bindir/%name

%changelog
…
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