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Prefer CUDA_HOME environment variable

This commit is contained in:
Michael Vines 2020-01-15 00:34:30 -07:00
parent 6d3b8b6d7d
commit 1d01777a13
1 changed files with 11 additions and 3 deletions
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14
perf/src/perf_libs.rs
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@ -121,6 +121,15 @@ fn locate_perf_libs() -> Option<PathBuf> {
}
fn find_cuda_home(perf_libs_path: &Path) -> Option<PathBuf> {
if let Ok(cuda_home) = env::var("CUDA_HOME") {
let path = PathBuf::from(cuda_home);
if path.is_dir() {
info!("Using CUDA_HOME: {:?}", path);
return Some(path);
}
warn!("Ignoring CUDA_HOME, not a path: {:?}", path);
}
// Search /usr/local for a `cuda-` directory that matches a perf-libs subdirectory
for entry in fs::read_dir(&perf_libs_path).unwrap() {
if let Ok(entry) = entry {
@ -138,6 +147,7 @@ fn find_cuda_home(perf_libs_path: &Path) -> Option<PathBuf> {
continue;
}
info!("CUDA installation found at {:?}", cuda_home);
return Some(cuda_home);
}
}
@ -147,8 +157,6 @@ fn find_cuda_home(perf_libs_path: &Path) -> Option<PathBuf> {
pub fn init_cuda() {
if let Some(perf_libs_path) = locate_perf_libs() {
if let Some(cuda_home) = find_cuda_home(&perf_libs_path) {
info!("CUDA installation found at {:?}", cuda_home);
let cuda_lib64_dir = cuda_home.join("lib64");
if cuda_lib64_dir.is_dir() {
let ld_library_path = cuda_lib64_dir.to_str().unwrap_or("").to_string()
@ -160,7 +168,7 @@ pub fn init_cuda() {
// to ensure the correct CUDA version is used
env::set_var("LD_LIBRARY_PATH", ld_library_path)
} else {
warn!("{:?} does not exist", cuda_lib64_dir);
warn!("CUDA lib64 directory does not exist: {:?}", cuda_lib64_dir);
}
let libcuda_crypt = perf_libs_path