diff options
Diffstat (limited to 'INSTALL')
| -rw-r--r-- | INSTALL | 19 |
1 files changed, 14 insertions, 5 deletions
@@ -27,16 +27,14 @@ The configure script can be launch with a variety of options: output and remotecontrol. --disable-output-uhd Disable the binding to the UHD driver for USRPs --enable-fast-math Compile using the -ffast-math option that gives a substantial - speedup at the cost of correctness. + speedup at the cost of floating point correctness. --disable-native Do not compile ODR-DabMod with -march=native compiler option. This is meant for distribution package maintainers who want to use their own march option, and for people running into compilation issues due to -march=native. (e.g. GCC bug 70132 on ARM systems) --enable-edi Enable the EDI input. -Debugging options: You should not enable debug if you need good performance. -By default, debug is disabled. - --enable-debug Do not compile with debugging, and enable optimisations +Debugging options: You should not enable any debug option if you need good performance. --enable-trace Create debugging files for each DSP block for data analysis For more information, call: @@ -54,10 +52,21 @@ Tricks for best performance: * Do not use --disable-native * Use --enable-fast-math * Add -O3 to compiler flags + * Disable assertions with -DNDEBUG Applying all together: - % CFLAGS="-O3" CXXFLAGS="-O3" ./configure --enable-fast-math + % ./configure CFLAGS="-O3 -DNDEBUG" CXXFLAGS="-O3 -DNDEBUG" --enable-fast-math + +Checking for memory usage issues +-------------------------------- +If your compiler supports it, you can enable the address sanitizer to check for memory +issues: + + % ./configure CFLAGS="-fsanitize=address -g -O2" CXXFLAGS="-fsanitize=address -g -O2" + +The resulting binary will be instrumented with additional memory checks, which have a +measurable overhead. Please report if you get warnings or errors when using the sanitizer. Nearly as simple install procedure using repository: ==================================================== |