diff options
Diffstat (limited to 'src/gpgpu-sim/scoreboard.cc')
| -rw-r--r-- | src/gpgpu-sim/scoreboard.cc | 40 |
1 files changed, 34 insertions, 6 deletions
diff --git a/src/gpgpu-sim/scoreboard.cc b/src/gpgpu-sim/scoreboard.cc index e2379fd..f412054 100644 --- a/src/gpgpu-sim/scoreboard.cc +++ b/src/gpgpu-sim/scoreboard.cc @@ -28,6 +28,7 @@ #include "scoreboard.h" #include "shader.h" #include "../cuda-sim/ptx_sim.h" +#include "shader_trace.h" //Constructor @@ -60,6 +61,8 @@ void Scoreboard::reserveRegister(unsigned wid, unsigned regnum) printf("Error: trying to reserve an already reserved register (sid=%d, wid=%d, regnum=%d).", m_sid, wid, regnum); abort(); } + SHADER_DPRINTF( SCOREBOARD, + "Reserved Register - warp:%d, reg: %d\n", wid, regnum ); reg_table[wid].insert(regnum); } @@ -68,6 +71,8 @@ void Scoreboard::releaseRegister(unsigned wid, unsigned regnum) { if( !(reg_table[wid].find(regnum) != reg_table[wid].end()) ) return; + SHADER_DPRINTF( SCOREBOARD, + "Release register - warp:%d, reg: %d\n", wid, regnum ); reg_table[wid].erase(regnum); } @@ -77,16 +82,32 @@ const bool Scoreboard::islongop (unsigned warp_id,unsigned regnum) { void Scoreboard::reserveRegisters(const class warp_inst_t* inst) { - for( unsigned r=0; r < 4; r++) - if(inst->out[r] > 0) reserveRegister(inst->warp_id(), inst->out[r]); + for( unsigned r=0; r < 4; r++) { + if(inst->out[r] > 0) { + reserveRegister(inst->warp_id(), inst->out[r]); + SHADER_DPRINTF( SCOREBOARD, + "Reserved register - warp:%d, reg: %d\n", + inst->warp_id(), + inst->out[r] ); + } + } //Keep track of long operations if (inst->is_load() && ( inst->space.get_type() == global_space || inst->space.get_type() == local_space || + inst->space.get_type() == param_space_kernel || + inst->space.get_type() == param_space_local || + inst->space.get_type() == param_space_unclassified || inst->space.get_type() == tex_space)){ for ( unsigned r=0; r<4; r++) { - if(inst->out[r] > 0) longopregs[inst->warp_id()].insert(r); + if(inst->out[r] > 0) { + SHADER_DPRINTF( SCOREBOARD, + "New longopreg marked - warp:%d, reg: %d\n", + inst->warp_id(), + inst->out[r] ); + longopregs[inst->warp_id()].insert(inst->out[r]); + } } } } @@ -94,9 +115,16 @@ void Scoreboard::reserveRegisters(const class warp_inst_t* inst) // Release registers for an instruction void Scoreboard::releaseRegisters(const class warp_inst_t *inst) { - for( unsigned r=0; r < 4; r++) - if(inst->out[r] > 0) releaseRegister(inst->warp_id(), inst->out[r]); - longopregs[inst->warp_id()].clear(); + for( unsigned r=0; r < 4; r++) { + if(inst->out[r] > 0) { + SHADER_DPRINTF( SCOREBOARD, + "Register Released - warp:%d, reg: %d\n", + inst->warp_id(), + inst->out[r] ); + releaseRegister(inst->warp_id(), inst->out[r]); + longopregs[inst->warp_id()].erase(inst->out[r]); + } + } } /** |