benchs: add - build directory

scripts/bench-time-seq.sh

@@ -5,7 +5,7 @@ export HFI_NO_CPUAFFINITY=1
 suffix="$1"
 
 # configuration and compilation
-build_dir="build${suffix}"
+build_dir="build-${suffix}"
 rm -rf "${build_dir}"  # start from scratch
 cmake -B "${build_dir}" -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_FLAGS="-O3 -march=native" -Dscalfmm_BUILD_BENCH=ON
 cmake --build "${build_dir}" --target fmm-computation-seq

scripts/bench-time-task-dep.sh

@@ -5,7 +5,7 @@ export HFI_NO_CPUAFFINITY=1
 suffix="$1"
 
 # configuration and compilation
-build_dir="build${suffix}"
+build_dir="build-${suffix}"
 rm -rf "${build_dir}"  # start from scratch
 cmake -B "${build_dir}" -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_FLAGS="-O3 -march=native" -Dscalfmm_BUILD_BENCH=ON
 cmake --build "${build_dir}" --target fmm-computation-omp

scripts/test-accuracy.sh

@@ -5,7 +5,7 @@ export HFI_NO_CPUAFFINITY=1
 suffix="$1"
 
 # configuration and compilation
-build_dir="build${suffix}"
+build_dir="build-${suffix}"
 rm -rf "${build_dir}"  # start from scratch
 cmake -B "${build_dir}" -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_FLAGS="-O3 -march=native" -Dscalfmm_BUILD_BENCH=ON
 cmake --build "${build_dir}" --target fmm-computation-seq