Adding a two level scheduler as described in the ISCA 2012 tutorial

[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 13261]

1 files changed, 3 insertions, 0 deletions

diff --git a/src/gpgpu-sim/scoreboard.h b/src/gpgpu-sim/scoreboard.h
index e6d54c8..8559131 100644
--- a/src/gpgpu-sim/scoreboard.h
+++ b/src/gpgpu-sim/scoreboard.h
@@ -47,6 +47,7 @@ public:
     bool checkCollision(unsigned wid, const inst_t *inst) const;
     bool pendingWrites(unsigned wid) const;
     void printContents() const;
+    const bool islongop(unsigned warp_id, unsigned regnum);
 private:
     void reserveRegister(unsigned wid, unsigned regnum);
 
@@ -55,6 +56,8 @@ private:
     // keeps track of pending writes to registers
     // indexed by warp id, reg_id => pending write count
     std::vector< std::set<unsigned> > reg_table;
+    //Register that depend on a long operation (global, local or tex memory)
+    std::vector< std::set<unsigned> > longopregs;
 };