replace ffast-math flag

2025-10-21 21:49:24 +08:00 · 2024-06-21 03:08:15 -07:00
1 changed files with 1 additions and 3 deletions
--- a/torch/_inductor/codecache.py
+++ b/torch/_inductor/codecache.py
@ -1636,9 +1636,7 @@ def cpp_wrapper_flags() -> str:

 def optimization_flags() -> str:
    base_flags = "-O0 -g" if config.aot_inductor.debug_compile else "-O3 -DNDEBUG"
-    base_flags += " -ffast-math -fno-finite-math-only"
-    if not config.cpp.enable_unsafe_math_opt_flag:
-        base_flags += " -fno-unsafe-math-optimizations"
+    base_flags += " -fno-math-errno -fno-rounding-math -fno-signaling-nans -fcx-limited-range -fexcess-precision=fast"
    if not config.cpp.enable_floating_point_contract_flag:
        base_flags += " -ffp-contract=off"