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authorAli Saidi <Ali.Saidi@ARM.com>2012-06-05 01:23:08 -0400
committerAli Saidi <Ali.Saidi@ARM.com>2012-06-05 01:23:08 -0400
commit1b370431d0ac51eb54bfbf17247f935d48995a34 (patch)
treee9b90a8f9bdf914f29a20b3c287dae5b5a16db4c /src/arch/x86
parentd6997777bee827c89578cf730b186991485c647c (diff)
downloadgem5-1b370431d0ac51eb54bfbf17247f935d48995a34.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/arch/x86')
-rw-r--r--src/arch/x86/pagetable_walker.hh3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/arch/x86/pagetable_walker.hh b/src/arch/x86/pagetable_walker.hh
index 9392290c7..c59661619 100644
--- a/src/arch/x86/pagetable_walker.hh
+++ b/src/arch/x86/pagetable_walker.hh
@@ -44,7 +44,6 @@
#include "arch/x86/pagetable.hh"
#include "arch/x86/tlb.hh"
-#include "base/fast_alloc.hh"
#include "base/types.hh"
#include "mem/mem_object.hh"
#include "mem/packet.hh"
@@ -86,7 +85,7 @@ namespace X86ISA
WalkerPort port;
// State to track each walk of the page table
- class WalkerState : public FastAlloc
+ class WalkerState
{
private:
enum State {