simulator "working" on ptxplus, simulated IPC "too low" by about a factor of up to 50%

[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 7816]

1 files changed, 3 insertions, 0 deletions

diff --git a/src/gpgpu-sim/shader.cc b/src/gpgpu-sim/shader.cc
index 0d17be4..061952a 100644
--- a/src/gpgpu-sim/shader.cc
+++ b/src/gpgpu-sim/shader.cc
@@ -1194,6 +1194,9 @@ void shader_core_ctx::writeback()
     if( !m_pipeline_reg[MM_WB]->empty() ) {
         m_scoreboard->releaseRegisters( m_pipeline_reg[MM_WB] );
         m_warp[m_pipeline_reg[MM_WB]->warp_id()].dec_inst_in_pipeline();
+        m_gpu->gpu_sim_insn_last_update_sid = m_sid;
+        m_gpu->gpu_sim_insn_last_update = gpu_sim_cycle;
+        m_gpu->gpu_sim_insn += m_pipeline_reg[MM_WB]->active_count();
     }
     move_warp(m_pipeline_reg[WB_RT],m_pipeline_reg[MM_WB]);
 }