diff options
Diffstat (limited to 'sysdeps/aarch64/multiarch/memset_emag.S')
| -rw-r--r-- | sysdeps/aarch64/multiarch/memset_emag.S | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/sysdeps/aarch64/multiarch/memset_emag.S b/sysdeps/aarch64/multiarch/memset_emag.S index 1c1fabc624..c2aed62fe5 100644 --- a/sysdeps/aarch64/multiarch/memset_emag.S +++ b/sysdeps/aarch64/multiarch/memset_emag.S @@ -21,12 +21,14 @@ # define MEMSET __memset_emag /* - * Using dc zva to zero memory does not produce better performance if + * Using DC ZVA to zero memory does not produce better performance if * memory size is not very large, especially when there are multiple - * processes/threads contending memory/cache. Here we use a somewhat - * large threshold to trigger usage of dc zva. -*/ -# define DC_ZVA_THRESHOLD 1024 + * processes/threads contending memory/cache. Here we set threshold to + * zero to disable using DC ZVA, which is good for multi-process/thread + * workloads. + */ + +# define DC_ZVA_THRESHOLD 0 # include "./memset_base64.S" #endif |