diff options
| author | Ali Saidi <Ali.Saidi@ARM.com> | 2012-06-05 01:23:08 -0400 |
|---|---|---|
| committer | Ali Saidi <Ali.Saidi@ARM.com> | 2012-06-05 01:23:08 -0400 |
| commit | 1b370431d0ac51eb54bfbf17247f935d48995a34 (patch) | |
| tree | e9b90a8f9bdf914f29a20b3c287dae5b5a16db4c /src/cpu/base_dyn_inst.hh | |
| parent | d6997777bee827c89578cf730b186991485c647c (diff) | |
| download | gem5-1b370431d0ac51eb54bfbf17247f935d48995a34.tar.xz | |
sim: Remove FastAlloc
While FastAlloc provides a small performance increase (~1.5%) over regular malloc it isn't thread safe.
After removing FastAlloc and using tcmalloc I've seen a performance increase of 12% over libc malloc
when running twolf for ARM.
Diffstat (limited to 'src/cpu/base_dyn_inst.hh')
| -rw-r--r-- | src/cpu/base_dyn_inst.hh | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/src/cpu/base_dyn_inst.hh b/src/cpu/base_dyn_inst.hh index 900a98aa0..a9cb60070 100644 --- a/src/cpu/base_dyn_inst.hh +++ b/src/cpu/base_dyn_inst.hh @@ -51,7 +51,6 @@ #include <queue> #include "arch/utility.hh" -#include "base/fast_alloc.hh" #include "base/trace.hh" #include "config/the_isa.hh" #include "cpu/checker/cpu.hh" @@ -73,7 +72,7 @@ */ template <class Impl> -class BaseDynInst : public FastAlloc, public RefCounted +class BaseDynInst : public RefCounted { public: // Typedef for the CPU. |