docs emergency fix to cmake_build_type!

Author: ahbarnett

docs/install.rst

@@ -59,7 +59,7 @@ The basic quick download, building, and test is then:
   cd finufft
   mkdir build
   cd build
-  cmake .. -D FINUFFT_BUILD_TESTS=ON --install-prefix /path/to/install
+  cmake .. -D FINUFFT_BUILD_TESTS=ON -D CMAKE_BUILD_TYPE=Release --install-prefix /path/to/install
   cmake --build . -j
   ctest
   cmake --install .

perftest/compare_spreads.jl

@@ -4,7 +4,7 @@ using CairoMakie
 using JLD2        # for load/save arrays to file
 using UnPack
 
-fnam = "/home/alex/numerics/finufft/perftest/results/7-1-24-vs-ivec_gcc114_5700U_nthr1"   # outfile head
+fnam = "/home/alex/numerics/finufft/perftest/results/7-2-24-vs-ivecflags_gcc114_5700U_nthr1"   # outfile head
 # locations of pair of FINUFFT repos to compare...
 repo1 = "/home/alex/numerics/finufft"
 repo2 = "/home/alex/numerics/nufft/finufft-svec2"