** fully decouple kernel compilation from kernel launch for opencl

changes required to do this (this enables oclReduction SDK 3.1 to pass
and is a prerequisite to Fermi style concurrent kernel launching)
- separate kernel launch for cuda and opencl (and init_grid functions)
- add pgm_info structure for holding kernel function_info pointer in
  _cl_program object after ptx compilation

** added support for clEnqueueNDRangeKernel with local_work_size==NULL
which is part of OpenCL spec and used in oclSortingNetworks (however, 
this is a braindead implementation that only handles the case where
global_work_size[0] is smaller than the max number of threads per
shader; moreover oclSortingNetworks is still not working but for what
looks like another reason)

** refactoring / cleanup
- g_global_symbol_table made static to ptx_parser.cc
- remove g_kernel_name_to_symtab_lookup (not really being used)
- moving various function prototypes into headers (e.g., if foo() defined
in bar.cc, then place prototype in bar.h)
- adding icnt_reg_options()

[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 7168]

1 files changed, 17 insertions, 1 deletions

diff --git a/src/gpgpusim_entrypoint.h b/src/gpgpusim_entrypoint.h
index 8de05c7..2563c5e 100644
--- a/src/gpgpusim_entrypoint.h
+++ b/src/gpgpusim_entrypoint.h
@@ -67,7 +67,23 @@
 
 #include "abstract_hardware_model.h"
 
+#include <time.h>
+extern time_t g_simulation_starttime;
+
 void gpgpu_ptx_sim_init_perf();
-int gpgpu_ptx_sim_main_perf( const char *kernel_key, struct dim3 gridDim, struct dim3 blockDim, struct gpgpu_ptx_sim_arg *grid_params );
 
+int  gpgpu_cuda_ptx_sim_main_perf( const char *kernel_key, 
+                                   struct dim3 gridDim, 
+                                   struct dim3 blockDim, 
+                                   struct gpgpu_ptx_sim_arg *grid_params );
+
+int gpgpu_opencl_ptx_sim_main_perf( class function_info *entry, 
+                                  struct dim3 gridDim, 
+                                  struct dim3 blockDim, 
+                                  struct gpgpu_ptx_sim_arg *grid_params );
+
+int gpgpu_opencl_ptx_sim_main_func( class function_info *entry, 
+                                  struct dim3 gridDim, 
+                                  struct dim3 blockDim, 
+                                  struct gpgpu_ptx_sim_arg *grid_params );
 #endif