diff options
Diffstat (limited to 'src/gpgpu-sim')
| -rw-r--r-- | src/gpgpu-sim/l2cache.cc | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/gpgpu-sim/l2cache.cc b/src/gpgpu-sim/l2cache.cc index 63119ee..00b14d7 100644 --- a/src/gpgpu-sim/l2cache.cc +++ b/src/gpgpu-sim/l2cache.cc @@ -717,6 +717,52 @@ memory_sub_partition::breakdown_request_to_sector_requests(mem_fetch *mf) { if (mf->get_data_size() == SECTOR_SIZE && mf->get_access_sector_mask().count() == 1) { result.push_back(mf); + } else if (mf->get_data_size() == 128) { + // break down every sector + mem_access_byte_mask_t mask; + for (unsigned i = 0; i < SECTOR_CHUNCK_SIZE; i++) { + for (unsigned k = i * SECTOR_SIZE; k < (i + 1) * SECTOR_SIZE; k++) { + mask.set(k); + } + const mem_access_t *ma = new mem_access_t( + mf->get_access_type(), mf->get_addr() + SECTOR_SIZE * i, SECTOR_SIZE, + mf->is_write(), mf->get_access_warp_mask(), + mf->get_access_byte_mask() & mask, + std::bitset<SECTOR_CHUNCK_SIZE>().set(i), m_gpu->gpgpu_ctx); + + mem_fetch *n_mf = + new mem_fetch(*ma, NULL, mf->get_ctrl_size(), mf->get_wid(), + mf->get_sid(), mf->get_tpc(), mf->get_mem_config(), + m_gpu->gpu_tot_sim_cycle + m_gpu->gpu_sim_cycle, mf); + + result.push_back(n_mf); + } + } else if (mf->get_data_size() == 64 && + (mf->get_access_sector_mask().to_string() == "1111" || + mf->get_access_sector_mask().to_string() == "0000")) { + unsigned start; + if (mf->get_addr() % 128 == 0) + start = 0; + else + start = 2; + mem_access_byte_mask_t mask; + for (unsigned i = start; i < start + 2; i++) { + for (unsigned k = i * SECTOR_SIZE; k < (i + 1) * SECTOR_SIZE; k++) { + mask.set(k); + } + const mem_access_t *ma = new mem_access_t( + mf->get_access_type(), mf->get_addr(), SECTOR_SIZE, + mf->is_write(), mf->get_access_warp_mask(), + mf->get_access_byte_mask() & mask, + std::bitset<SECTOR_CHUNCK_SIZE>().set(i), m_gpu->gpgpu_ctx); + + mem_fetch *n_mf = + new mem_fetch(*ma, NULL, mf->get_ctrl_size(), mf->get_wid(), + mf->get_sid(), mf->get_tpc(), mf->get_mem_config(), + m_gpu->gpu_tot_sim_cycle + m_gpu->gpu_sim_cycle, mf); + + result.push_back(n_mf); + } } else { for (unsigned i = 0; i < SECTOR_CHUNCK_SIZE; i++) { if (sector_mask.test(i)) { @@ -739,6 +785,7 @@ memory_sub_partition::breakdown_request_to_sector_requests(mem_fetch *mf) { } } } + if (result.size() == 0) assert(0 && "no mf sent"); return result; } |