From e480b8ac999a7132ce003f102d5d5a80a776c2f6 Mon Sep 17 00:00:00 2001
From: Wilson Fung <wlfung@gmail.com>
Date: Thu, 11 Jul 2013 13:19:38 -0800
Subject: Adding option to force global memory accesses to skip L1 data cache
 while still caching data from local memory space.

[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 16601]
---
 src/gpgpu-sim/gpu-sim.cc | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/gpgpu-sim/gpu-sim.cc')

diff --git a/src/gpgpu-sim/gpu-sim.cc b/src/gpgpu-sim/gpu-sim.cc
index 2de9a4f..5fa487a 100644
--- a/src/gpgpu-sim/gpu-sim.cc
+++ b/src/gpgpu-sim/gpu-sim.cc
@@ -224,6 +224,9 @@ void shader_core_config::reg_options(class OptionParser * opp)
                    "per-shader L1 data cache config "
                    " {<nsets>:<bsize>:<assoc>,<rep>:<wr>:<alloc>:<wr_alloc>,<mshr>:<N>:<merge>,<mq> | none}",
                    "none" );
+    option_parser_register(opp, "-gmem_skip_L1D", OPT_BOOL, &gmem_skip_L1D, 
+                   "global memory access skip L1D cache (implements -Xptxas -dlcm=cg, default=no skip)",
+                   "0");
 
     option_parser_register(opp, "-gpgpu_perfect_mem", OPT_BOOL, &gpgpu_perfect_mem, 
                  "enable perfect memory mode (no cache miss)",
-- 
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