Update README

README.md

@@ -11,15 +11,7 @@ _Astronomy and Astrophysics_, 656(A32), pages 1-4, December 2021).
 
 ## Brief overview on how to use the Tensor-Core Correlator library:
 
-Clone the repository (`git clone https://git.astron.nl/RD/tensor-core-correlator.git`)
-
-Build the library:
-```
-mkdir build-$(arch)
-cd build-$(arch)
-cmake ..
-make
-```
+Clone the and build the repository, see below.
 
 Include `libtcc/Correlator.h`, and link with `libtcc/libtcc.so`.
 Create a `tcc::Correlator` object with the number of receivers, channels, etc.
@@ -72,6 +64,10 @@ Limitations:
   (i.e., 32, 16, or 8 for 4-bit, 8-bit, or 16-bit input, respectively).
 
 ## Building, testing, and installation
+Clone the repository:
+```bash
+git clone https://git.astron.nl/RD/tensor-core-correlator.git
+```
 
 To build and install the project, run:
 ```bash
@@ -94,9 +90,11 @@ make -C build
 make -C build test
 ```
 The tests require a GPU.
-On the DAS cluster you can request a GPU node and run the tests with the command:
+On the DAS-6/ASTRON cluster you can request a GPU node and run the tests with the command:
 ```bash
-srun -N 1 -C gpunode --gres=gpu:1 make -C build test
+srun -N 1 --gres=gpu:A4000:1 make -C build test
 ```
 
+Note that in the command above a node with a NVIDIA A4000 GPU is requested, because the tests require a GPU that has tensor cores.
+
 Contact John Romein (romein@astron.nl) to report bugs/feedback