adding inst fetch throughput

3 files changed, 9 insertions, 5 deletions

diff --git a/src/gpgpu-sim/gpu-sim.cc b/src/gpgpu-sim/gpu-sim.cc
index 4e38f67..4ef9a7d 100644
--- a/src/gpgpu-sim/gpu-sim.cc
+++ b/src/gpgpu-sim/gpu-sim.cc
@@ -470,7 +470,9 @@ void shader_core_config::reg_options(class OptionParser * opp)
     option_parser_register(opp, "-perfect_inst_const_cache", OPT_BOOL, &perfect_inst_const_cache,
                 "perfect inst and const cache mode, so all inst and const hits in the cache(default = disabled)",
                 "0");
-
+    option_parser_register(opp, "-inst_fetch_throughput", OPT_INT32, &inst_fetch_throughput,
+                "the number of fetched intruction per warp each cycle",
+                "1");
 }
 
 void gpgpu_sim_config::reg_options(option_parser_t opp)
diff --git a/src/gpgpu-sim/shader.cc b/src/gpgpu-sim/shader.cc
index a2850d0..297f3bc 100644
--- a/src/gpgpu-sim/shader.cc
+++ b/src/gpgpu-sim/shader.cc
@@ -3175,10 +3175,9 @@ void shader_core_ctx::cycle()
     execute();
     read_operands();
     issue();
-	for(int i=0; i<8; ++i) {
-    decode();
-    fetch();
-	printf("Hello! \n");
+	for(int i=0; i< m_config->inst_fetch_throughput; ++i) {
+		decode();
+		fetch();
 	}
 }
 
@@ -3235,6 +3234,7 @@ std::list<opndcoll_rfu_t::op_t> opndcoll_rfu_t::arbiter_t::allocate_reads()
    ///// wavefront allocator from booksim... --->
    
    // Loop through diagonals of request matrix
+   printf("####\n");
 
    for ( int p = 0; p < _square; ++p ) {
       output = ( _pri + p ) % _square;
@@ -3250,6 +3250,7 @@ std::list<opndcoll_rfu_t::op_t> opndcoll_rfu_t::arbiter_t::allocate_reads()
             // Grant!
             _inmatch[input] = output;
             _outmatch[output] = input;
+			printf("Register File: granting banks %d to OC % \n", input, output);
          }
 
          output = ( output + 1 ) % _square;
diff --git a/src/gpgpu-sim/shader.h b/src/gpgpu-sim/shader.h
index d41c220..43c448b 100644
--- a/src/gpgpu-sim/shader.h
+++ b/src/gpgpu-sim/shader.h
@@ -1524,6 +1524,7 @@ class shader_core_config : public core_config
     bool gpgpu_concurrent_kernel_sm;
 
     bool perfect_inst_const_cache;
+    unsigned inst_fetch_throughput;
 
 };