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For x86_64 architecture, what are the most common instructions that fail (caused from CPU failure) from cpu-check (or in general)? Or is it more random? Curious since cpu-check runs a set of workloads that use different instructions
Hello
Do we have some cpu SDE issue on AMD platform like Rome and milan?
Does the tool support AMD?
Thanks!
I am trying to compile this on Centos 8 machine. I had to install abseil-cpp-devel
, zlib-devel
, zlib-static
and openssl-devel
packages via dnf command. The cmake step passes but the make step fails -
/home/$ cmake -DOPENSSL_ROOT_DIR=/usr/local/ssl/ -DOPENSSL_INCLUDE_DIR=/usr/local/ssl/include/openssl ..
-- The C compiler identification is GNU 8.5.0
-- The CXX compiler identification is GNU 8.5.0
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /usr/bin/cc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Performing Test ARCH_SANDYBRIDGE
-- Performing Test ARCH_SANDYBRIDGE - Success
-- Looking for pthread.h
-- Looking for pthread.h - found
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Failed
-- Looking for pthread_create in pthreads
-- Looking for pthread_create in pthreads - not found
-- Looking for pthread_create in pthread
-- Looking for pthread_create in pthread - found
-- Found Threads: TRUE
-- Found ZLIB: /usr/lib64/libz.a (found version "1.2.11")
-- Found OpenSSL: /usr/local/ssl/lib/libcrypto.a
-- Configuring done
-- Generating done
-- Build files have been written to: /home/cpu-check/build
make step fails with linker errors for undefined references to absl package -
/home/$ make
...
[ 84%] Built target silkscreen
[ 88%] Building CXX object CMakeFiles/cpu_check.dir/cpu_check.cc.o
[ 92%] Linking CXX executable cpu_check
CMakeFiles/cpu_check.dir/cpu_check.cc.o: In function `Worker::DoComputations(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, Worker::Choices const&, Worker::BufferSet*)':
cpu_check.cc:(.text+0x123d): undefined reference to `absl::lts_2020_09_23::Status::Status(absl::lts_2020_09_23::StatusCode, std::basic_string_view<char, std::char_traits<char> >)'
cpu_check.cc:(.text+0x13b0): undefined reference to `absl::lts_2020_09_23::Status::Status(absl::lts_2020_09_23::StatusCode, std::basic_string_view<char, std::char_traits<char> >)'
cpu_check.cc:(.text+0x144e): undefined reference to `absl::lts_2020_09_23::Status::Status(absl::lts_2020_09_23::StatusCode, std::basic_string_view<char, std::char_traits<char> >)'
cpu_check.cc:(.text+0x1553): undefined reference to `absl::lts_2020_09_23::Status::Status(absl::lts_2020_09_23::StatusCode, std::basic_string_view<char, std::char_traits<char> >)'
cpu_check.cc:(.text+0x1a10): undefined reference to `absl::lts_2020_09_23::Status::Status(absl::lts_2020_09_23::StatusCode, std::basic_string_view<char, std::char_traits<char> >)'
CMakeFiles/cpu_check.dir/cpu_check.cc.o:cpu_check.cc:(.text+0x1c8d): more undefined references to `absl::lts_2020_09_23::Status::Status(absl::lts_2020_09_23::StatusCode, std::basic_string_view<char, std::char_traits<char> >)' follow
CMakeFiles/cpu_check.dir/cpu_check.cc.o: In function `Worker::Run()':
...
clang-12: error: linker command failed with exit code 1 (use -v to see invocation)
My doubts are on the abseil-cpp
package. The README mentions -
Note that Abseil must be built with the C++17 standard and include the StatusOr package (release 2020_09_23 or later).
I see that in CMakeLists.txt, we already set the C++ version to 17 - https://github.com/google/cpu-check/blob/master/CMakeLists.txt#L52.
The installed abseil-cpp
shows that the version is indeed 2020-09-23 -
Installed Packages
Name : abseil-cpp
Version : 20200923.3
Release : 1.el8
Architecture : x86_64
Size : 1.5 M
Source : abseil-cpp-20200923.3-1.el8.src.rpm
Could someone please help with this? Any reference to existing documentation for generating the cpu-check binary would be great. Thanks.
This doesn't run correctly. It used to run between 60 and 80% cpu utilization. Now it runs at around 5% and I don't even think it is doing anything.
macOS
$ make
Scanning dependencies of target utils
[ 3%] Building CXX object CMakeFiles/utils.dir/utils.cc.o
[ 7%] Linking CXX static library libutils.a
[ 7%] Built target utils
Scanning dependencies of target silkscreen
[ 11%] Building CXX object CMakeFiles/silkscreen.dir/silkscreen.cc.o
/Users/user/Downloads/cpu-check/silkscreen.cc:75:31: error: call to 'Json' is ambiguous
last_error = absl::StrCat(Json("position", k), ", ", Json("is", v), ", ",
^~~~
/Users/user/Downloads/cpu-check/utils.h:27:13: note: candidate function
std::string Json(const std::string& field, int v);
^
/Users/user/Downloads/cpu-check/utils.h:28:13: note: candidate function
std::string Json(const std::string& field, uint64_t v);
^
/Users/user/Downloads/cpu-check/utils.h:29:13: note: candidate function
std::string Json(const std::string& field, double v);
^
1 error generated.
make[2]: *** [CMakeFiles/silkscreen.dir/silkscreen.cc.o] Error 1
make[1]: *** [CMakeFiles/silkscreen.dir/all] Error 2
make: *** [all] Error 2
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