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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/request.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/request.hh')
| -rw-r--r-- | src/mem/request.hh | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/src/mem/request.hh b/src/mem/request.hh index 68ef0540a..f6406e2c5 100644 --- a/src/mem/request.hh +++ b/src/mem/request.hh @@ -42,7 +42,6 @@ #include <cassert> #include <climits> -#include "base/fast_alloc.hh" #include "base/flags.hh" #include "base/misc.hh" #include "base/types.hh" @@ -53,7 +52,7 @@ class Request; typedef Request* RequestPtr; typedef uint16_t MasterID; -class Request : public FastAlloc +class Request { public: typedef uint32_t FlagsType; @@ -229,7 +228,7 @@ class Request : public FastAlloc setThreadContext(cid, tid); } - ~Request() {} // for FastAlloc + ~Request() {} /** * Set up CPU and thread numbers. |