Change the KvikIO thread pool size from 8 to 4 due to the performance…

… issue with Dask-cuDF.
rapidsai · Oct 25, 2024 · 79b3e85 · 79b3e85
1 parent d7cdf44
commit 79b3e85
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/cpp/src/io/utilities/config_utils.cpp b/cpp/src/io/utilities/config_utils.cpp
@@ -60,7 +60,7 @@ void set_thread_pool_nthreads_from_env()
 {
   static std::once_flag flag{};
   std::call_once(flag, [] {
-    auto nthreads = getenv_or<unsigned int>("KVIKIO_NTHREADS", 8U);
+    auto nthreads = getenv_or<unsigned int>("KVIKIO_NTHREADS", 4U);
     kvikio::defaults::thread_pool_nthreads_reset(nthreads);
   });
 }