diff options
| author | Andrew M. B. Boktor <[email protected]> | 2012-05-04 18:42:17 -0800 |
|---|---|---|
| committer | Andrew Boktor <[email protected]> | 2014-08-14 13:19:37 -0700 |
| commit | 7e23577fe997273766523afcd49c36d0f8dcd85d (patch) | |
| tree | 711f9c29d2428d028a8f52e34646ed23d6747abe /src/gpgpu-sim | |
| parent | 458fa169dd4e351288435fae618743fc50edcf90 (diff) | |
Adding configurable instruction latencies and initiation intervals
The observed latencies are reduced by 5 to account for other stages in the SM pipeline
Eventually this should be calibrated against the microbenchmarks
[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 12310]
Diffstat (limited to 'src/gpgpu-sim')
| -rw-r--r-- | src/gpgpu-sim/shader.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/gpgpu-sim/shader.h b/src/gpgpu-sim/shader.h index 5d6aa86..571a4b9 100644 --- a/src/gpgpu-sim/shader.h +++ b/src/gpgpu-sim/shader.h @@ -956,7 +956,7 @@ struct shader_core_config : public core_config } max_warps_per_shader = n_thread_per_shader/warp_size; assert( !(n_thread_per_shader % warp_size) ); - max_sfu_latency = 32; + max_sfu_latency = 512; max_sp_latency = 32; m_L1I_config.init(); m_L1T_config.init(); @@ -1275,7 +1275,7 @@ private: std::vector<pipeline_stage_name_t> m_issue_port; std::vector<simd_function_unit*> m_fu; // stallable pipelines should be last in this array ldst_unit *m_ldst_unit; - static const unsigned MAX_ALU_LATENCY = 64; + static const unsigned MAX_ALU_LATENCY = 512; std::bitset<MAX_ALU_LATENCY> m_result_bus; // used for local address mapping with single kernel launch |