diff options
| -rw-r--r-- | gdb/maint.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/gdb/maint.c b/gdb/maint.c index 2e6754c..68b70bf 100644 --- a/gdb/maint.c +++ b/gdb/maint.c @@ -855,11 +855,12 @@ update_thread_pool_size () if (n_threads < 0) { const int hardware_threads = std::thread::hardware_concurrency (); - /* Testing in #29959 indicates that parallel efficiency drops between - n_threads=5 to 8. Therefore, clamp the default value to 8 to avoid an - excessive number of threads in the pool on many-core systems. */ - const int throttle = 8; - n_threads = std::clamp (hardware_threads, hardware_threads, throttle); + /* Testing in PR gdb/29959 indicates that parallel efficiency drops + between n_threads=5 to 8. Therefore, use no more than 8 threads + to avoid an excessive number of threads in the pool on many-core + systems. */ + const int max_thread_count = 8; + n_threads = std::min (hardware_threads, max_thread_count); } gdb::thread_pool::g_thread_pool->set_thread_count (n_threads); |