MAGMA Forum

MAGMA 1.0 is quite old, so I personally wouldn't bother. If you insist, there are MAGMA_VERSION_MAJOR, _MINOR, and _MICRO macros. See include/magma_types.h. clMAGMA is not actively maintained — even AMD's clBLAS is a couple years old at this point. clMAGMA uses HAVE_clAmdBlas or HAVE_clBLAS macros, ...

This forum is for the MAGMA linear algebra library for GPUs (http://icl.utk.edu/magma/). It doesn't solve polynomial equations. Perhaps you are intending the Magma Computational Algebra System (http://magma.maths.usyd.edu.au/magma/).
-mark

When using xlf, use -DNOCHANGE instead of -DADD_ in the make.inc file when compiling MAGMA. Then it will use the correct Fortran naming convention for IBM's Fortran. Ideally, the whole software stack — e.g., BLAS, LAPACK, MAGMA, your application — are compiled using the same set of compilers (e.g., ...

We'll look into it, though it might take a little while as we don't have any Windows machines readily setup for testing. All our development is on Linux and macOS.
-mark

These problems have condition numbers >= 1e6, which mean they likely won't work well in single precision, which has a precision of only 1e-7. Roughly, single precision has 7 digits of accuracy, and a problem loses log10( cond ) digits of accuracy, in this case about 6, meaning there is at most 1 cor...

So you really want scal_batched: y_i = alpha * y_i for i = 1, ..., batch_size Is that right? Are your vectors scattered in memory, or packed into a single array? If in a single array, would a matrix scale function meet your needs, i.e., A = alpha * A for an m-by-batch_size matrix A. -mark

I'm confused by your link line: lessl -L/sw/summit/essl/... Did you chop off the front part of that line that shows the actual linker (say, xlc++)? From the errors, the linking appears to be missing OpenMP functions. You need to specify the same OpenMP option when linking as when compiling, e.g., fo...

copysignf is part of the C standard library, in math.h, not BLAS or LAPACK. The make.inc file may need -lm added to the end of LIBS for the math library. Shouldn't need any recompiling, just finish linking.
-mark

Are you following the steps using CMake in README-Windows? Can you be more specific about what happened and when the error occurred?
-mark

Yes, though since Apple has stopped supporting NVIDIA cards on MacOS Mojave (10.14), anything using CUDA is limited to MacOS 10.13 and older (as I understand it). Compiling MAGMA on MacOS is similar to on Linux. I use the gcc & gfortran compilers from HPC MacOS X: http://hpc.sourceforge.net/ Follow ...