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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/mem/packet.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/mem/packet.hh')
| -rw-r--r-- | src/mem/packet.hh | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/src/mem/packet.hh b/src/mem/packet.hh index 8e3ef9456..cdcefcadb 100644 --- a/src/mem/packet.hh +++ b/src/mem/packet.hh @@ -58,7 +58,6 @@ #include "base/cast.hh" #include "base/compiler.hh" -#include "base/fast_alloc.hh" #include "base/flags.hh" #include "base/misc.hh" #include "base/printable.hh" @@ -227,7 +226,7 @@ class MemCmd * ultimate destination and back, possibly being conveyed by several * different Packets along the way.) */ -class Packet : public FastAlloc, public Printable +class Packet : public Printable { public: typedef uint32_t FlagsType; @@ -358,7 +357,7 @@ class Packet : public FastAlloc, public Printable * Object used to maintain state of a PrintReq. The senderState * field of a PrintReq should always be of this type. */ - class PrintReqState : public SenderState, public FastAlloc + class PrintReqState : public SenderState { private: /** |