diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gpgpu-sim/l2cache.cc | 90 |
1 files changed, 28 insertions, 62 deletions
diff --git a/src/gpgpu-sim/l2cache.cc b/src/gpgpu-sim/l2cache.cc index cd04af5..63119ee 100644 --- a/src/gpgpu-sim/l2cache.cc +++ b/src/gpgpu-sim/l2cache.cc @@ -555,10 +555,15 @@ void memory_sub_partition::cache_cycle(unsigned cycle) { m_config->m_L2_config.m_write_alloc_policy == LAZY_FETCH_ON_READ) && !was_writeallocate_sent(events)) { - mf->set_reply(); - mf->set_status(IN_PARTITION_L2_TO_ICNT_QUEUE, - m_gpu->gpu_sim_cycle + m_gpu->gpu_tot_sim_cycle); - m_L2_icnt_queue->push(mf); + if (mf->get_access_type() == L1_WRBK_ACC) { + m_request_tracker.erase(mf); + delete mf; + } else { + mf->set_reply(); + mf->set_status(IN_PARTITION_L2_TO_ICNT_QUEUE, + m_gpu->gpu_sim_cycle + m_gpu->gpu_tot_sim_cycle); + m_L2_icnt_queue->push(mf); + } } // L2 cache accepted request m_icnt_L2_queue->pop(); @@ -708,71 +713,32 @@ bool memory_sub_partition::busy() const { return !m_request_tracker.empty(); } std::vector<mem_fetch *> memory_sub_partition::breakdown_request_to_sector_requests(mem_fetch *mf) { std::vector<mem_fetch *> result; - + mem_access_sector_mask_t sector_mask = mf->get_access_sector_mask(); 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 || mf->get_data_size() == 64) { - // We only accept 32, 64 and 128 bytes reqs - unsigned start = 0, end = 0; - if (mf->get_data_size() == 128) { - start = 0; - end = 3; - } else if (mf->get_data_size() == 64 && - mf->get_access_sector_mask().to_string() == "1100") { - start = 2; - end = 3; - } else if (mf->get_data_size() == 64 && - mf->get_access_sector_mask().to_string() == "0011") { - start = 0; - end = 1; - } else if (mf->get_data_size() == 64 && - (mf->get_access_sector_mask().to_string() == "1111" || - mf->get_access_sector_mask().to_string() == "0000")) { - if (mf->get_addr() % 128 == 0) { - start = 0; - end = 1; - } else { - start = 2; - end = 3; - } - } else { - printf( - "Invalid sector received, address = 0x%06llx, sector mask = %s, data " - "size = %d", - mf->get_addr(), mf->get_access_sector_mask(), mf->get_data_size()); - assert(0 && "Undefined sector mask is received"); - } - - std::bitset<SECTOR_SIZE * SECTOR_CHUNCK_SIZE> byte_sector_mask; - byte_sector_mask.reset(); - for (unsigned k = start * SECTOR_SIZE; k < SECTOR_SIZE; ++k) - byte_sector_mask.set(k); - - for (unsigned j = start, i = 0; j <= end; ++j, ++i) { - 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() & byte_sector_mask, - std::bitset<SECTOR_CHUNCK_SIZE>().set(j), m_gpu->gpgpu_ctx); + } else { + for (unsigned i = 0; i < SECTOR_CHUNCK_SIZE; i++) { + if (sector_mask.test(i)) { + mem_access_byte_mask_t mask; + 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); + 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); - byte_sector_mask <<= SECTOR_SIZE; + result.push_back(n_mf); + } } - } else { - printf( - "Invalid sector received, address = 0x%06llx, sector mask = %d, byte " - "mask = , data size = %u", - mf->get_addr(), mf->get_access_sector_mask().count(), - mf->get_data_size()); - assert(0 && "Undefined data size is received"); } - return result; } |