diff options
| author | Ahmed El-Shafiey <[email protected]> | 2013-04-15 12:19:36 -0800 |
|---|---|---|
| committer | Andrew Boktor <[email protected]> | 2014-08-14 13:50:46 -0700 |
| commit | 5921d9d73d32e2eec38a4b154c4c71759ffb8a5f (patch) | |
| tree | 09716a218ebe0ffa1910f94c8c2811ce69dc7f3b /src/gpgpu-sim/gpu-sim.cc | |
| parent | 77cdf0905eea68880c7ef15b041e7ebfad301c2f (diff) | |
make sure L1 cache is flushed at a configuration change between kernels, even if flushing L1 cache between kernels option is not set
[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 15834]
Diffstat (limited to 'src/gpgpu-sim/gpu-sim.cc')
| -rw-r--r-- | src/gpgpu-sim/gpu-sim.cc | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/src/gpgpu-sim/gpu-sim.cc b/src/gpgpu-sim/gpu-sim.cc index 2778077..39216f9 100644 --- a/src/gpgpu-sim/gpu-sim.cc +++ b/src/gpgpu-sim/gpu-sim.cc @@ -811,20 +811,27 @@ void gpgpu_sim::set_cache_config(std::string kernel_name) void gpgpu_sim::change_cache_config(FuncCache cache_config) { + if(cache_config != m_shader_config->m_L1D_config.get_cache_status()){ + printf("FLUSH L1 Cache at configuration change between kernels\n"); + for (unsigned i=0;i<m_shader_config->n_simt_clusters;i++) { + m_cluster[i]->cache_flush(); + } + } + switch(cache_config){ case FuncCachePreferNone: - m_shader_config->m_L1D_config.init(m_shader_config->m_L1D_config.m_config_string); + m_shader_config->m_L1D_config.init(m_shader_config->m_L1D_config.m_config_string, FuncCachePreferNone); m_shader_config->gpgpu_shmem_size=m_shader_config->gpgpu_shmem_sizeDefault; break; case FuncCachePreferL1: if((m_shader_config->m_L1D_config.m_config_stringPrefL1 == NULL) || (m_shader_config->gpgpu_shmem_sizePrefL1 == (unsigned)-1)) { printf("WARNING: missing Preferred L1 configuration\n"); - m_shader_config->m_L1D_config.init(m_shader_config->m_L1D_config.m_config_string); + m_shader_config->m_L1D_config.init(m_shader_config->m_L1D_config.m_config_string, FuncCachePreferNone); m_shader_config->gpgpu_shmem_size=m_shader_config->gpgpu_shmem_sizeDefault; }else{ - m_shader_config->m_L1D_config.init(m_shader_config->m_L1D_config.m_config_stringPrefL1); + m_shader_config->m_L1D_config.init(m_shader_config->m_L1D_config.m_config_stringPrefL1, FuncCachePreferL1); m_shader_config->gpgpu_shmem_size=m_shader_config->gpgpu_shmem_sizePrefL1; } break; @@ -832,10 +839,10 @@ void gpgpu_sim::change_cache_config(FuncCache cache_config) if((m_shader_config->m_L1D_config.m_config_stringPrefShared == NULL) || (m_shader_config->gpgpu_shmem_sizePrefShared == (unsigned)-1)) { printf("WARNING: missing Preferred L1 configuration\n"); - m_shader_config->m_L1D_config.init(m_shader_config->m_L1D_config.m_config_string); + m_shader_config->m_L1D_config.init(m_shader_config->m_L1D_config.m_config_string, FuncCachePreferNone); m_shader_config->gpgpu_shmem_size=m_shader_config->gpgpu_shmem_sizeDefault; }else{ - m_shader_config->m_L1D_config.init(m_shader_config->m_L1D_config.m_config_stringPrefShared); + m_shader_config->m_L1D_config.init(m_shader_config->m_L1D_config.m_config_stringPrefShared, FuncCachePreferShared); m_shader_config->gpgpu_shmem_size=m_shader_config->gpgpu_shmem_sizePrefShared; } break; |