From f2a7d9ce6cd13977d97a0601d732551a5451ac71 Mon Sep 17 00:00:00 2001 From: "Mahmoud Khairy A. Abdallah" Date: Sat, 15 May 2021 09:09:20 -0400 Subject: fixing streaming cache based on recent ubench --- src/gpgpu-sim/shader.cc | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'src/gpgpu-sim/shader.cc') diff --git a/src/gpgpu-sim/shader.cc b/src/gpgpu-sim/shader.cc index c6e7b8f..0ad9547 100644 --- a/src/gpgpu-sim/shader.cc +++ b/src/gpgpu-sim/shader.cc @@ -3308,6 +3308,21 @@ unsigned int shader_core_config::max_cta(const kernel_info_t &k) const { m_L1D_config.get_total_size_inKB()); } + if(m_L1D_config.is_streaming()) { + //for streaming cache, if the whole memory is allocated + //to the L1 cache, then make the allocation to be on_MISS + //otherwise, make it ON_FILL to eliminate line allocation fails + //i.e. MSHR throughput is the same, independent on the L1 cache size/associativity + if(total_shmed == 0) { + m_L1D_config.set_allocation_policy(ON_MISS); + printf("GPGPU-Sim: Reconfigure L1 allocation to ON_MISS\n"); + } + else { + m_L1D_config.set_allocation_policy(ON_FILL); + printf("GPGPU-Sim: Reconfigure L1 allocation to ON_FILL\n"); + } + } + k.cache_config_set = true; } -- cgit v1.3