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| 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/arch/x86 | |
| 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/arch/x86')
| -rw-r--r-- | src/arch/x86/pagetable_walker.hh | 3 |
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 { |