Add src/cuda-sim formatting

1 files changed, 193 insertions, 173 deletions

diff --git a/src/cuda-sim/ptx-stats.cc b/src/cuda-sim/ptx-stats.cc
index 22517df..2f16555 100644
--- a/src/cuda-sim/ptx-stats.cc
+++ b/src/cuda-sim/ptx-stats.cc
@@ -7,14 +7,16 @@
 //
 // Redistributions of source code must retain the above copyright notice, this
 // list of conditions and the following disclaimer.
-// Redistributions in binary form must reproduce the above copyright notice, this
+// Redistributions in binary form must reproduce the above copyright notice,
+// this
 // list of conditions and the following disclaimer in the documentation and/or
 // other materials provided with the distribution.
 // Neither the name of The University of British Columbia nor the names of its
 // contributors may be used to endorse or promote products derived from this
 // software without specific prior written permission.
 //
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+// AND
 // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
@@ -25,248 +27,266 @@
 // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-#include "ptx_ir.h"
-#include "ptx_sim.h"
 #include "ptx-stats.h"
-#include "../option_parser.h"
 #include <stdio.h>
 #include <map>
-#include "../tr1_hash_map.h"
 #include "../../libcuda/gpgpu_context.h"
+#include "../option_parser.h"
+#include "../tr1_hash_map.h"
+#include "ptx_ir.h"
+#include "ptx_sim.h"
 
-void ptx_stats::ptx_file_line_stats_options(option_parser_t opp)
-{
-    option_parser_register(opp, "-enable_ptx_file_line_stats", OPT_BOOL, 
-                           &enable_ptx_file_line_stats, 
-                           "Turn on PTX source line statistic profiling. (1 = On)", "1");
-    option_parser_register(opp, "-ptx_line_stats_filename", OPT_CSTR, 
-                           &ptx_line_stats_filename, 
-                           "Output file for PTX source line statistics.", "gpgpu_inst_stats.txt");
+void ptx_stats::ptx_file_line_stats_options(option_parser_t opp) {
+  option_parser_register(
+      opp, "-enable_ptx_file_line_stats", OPT_BOOL, &enable_ptx_file_line_stats,
+      "Turn on PTX source line statistic profiling. (1 = On)", "1");
+  option_parser_register(
+      opp, "-ptx_line_stats_filename", OPT_CSTR, &ptx_line_stats_filename,
+      "Output file for PTX source line statistics.", "gpgpu_inst_stats.txt");
 }
 
 // implementations
 
 // defining a PTX source line = filename + line number
-class ptx_file_line 
-{
-public:
-    ptx_file_line(const char* s, int l) {
-        if( s == NULL ) 
-            st = "NULL_NAME";
-        else 
-            st = s;
-        line = l;
-    }
+class ptx_file_line {
+ public:
+  ptx_file_line(const char *s, int l) {
+    if (s == NULL)
+      st = "NULL_NAME";
+    else
+      st = s;
+    line = l;
+  }
 
-    bool operator<(const ptx_file_line &other) const {
-        if( st == other.st ) {
-            if( line < other.line ) 
-                return true;
-            else
-                return false; 
-        } else {
-            return st < other.st;
-        }
+  bool operator<(const ptx_file_line &other) const {
+    if (st == other.st) {
+      if (line < other.line)
+        return true;
+      else
+        return false;
+    } else {
+      return st < other.st;
     }
+  }
 
-    bool operator==(const ptx_file_line &other) const {
-        return (line==other.line) && (st==other.st);
-    }
+  bool operator==(const ptx_file_line &other) const {
+    return (line == other.line) && (st == other.st);
+  }
 
-    std::string st;
-    unsigned line;
+  std::string st;
+  unsigned line;
 };
 
 // holds all statistics collected for a singe PTX source line
-class ptx_file_line_stats
-{
-public:
-    ptx_file_line_stats() 
-        : exec_count(0), latency(0), dram_traffic(0), 
-          smem_n_way_bank_conflict_total(0), smem_warp_count(0),
-          gmem_n_access_total(0), gmem_warp_count(0), exposed_latency(0),
-          warp_divergence(0)
-    { }
-    
-    unsigned long exec_count;
-    unsigned long long latency;
-    unsigned long long dram_traffic;
-    unsigned long long smem_n_way_bank_conflict_total;  // total number of banks accessed by this instruction
-    unsigned long smem_warp_count;                      // number of warps accessing shared memory
-    unsigned long long gmem_n_access_total; // number of uncoalesced access in total from this instruction
-    unsigned long gmem_warp_count;          // number of warps causing these uncoalesced access
-    unsigned long long exposed_latency; // latency exposed as pipeline bubbles (attributed to this instruction)
-    unsigned long long warp_divergence; // number of warp divergence occured at this instruction
+class ptx_file_line_stats {
+ public:
+  ptx_file_line_stats()
+      : exec_count(0),
+        latency(0),
+        dram_traffic(0),
+        smem_n_way_bank_conflict_total(0),
+        smem_warp_count(0),
+        gmem_n_access_total(0),
+        gmem_warp_count(0),
+        exposed_latency(0),
+        warp_divergence(0) {}
+
+  unsigned long exec_count;
+  unsigned long long latency;
+  unsigned long long dram_traffic;
+  unsigned long long smem_n_way_bank_conflict_total;  // total number of banks
+                                                      // accessed by this
+                                                      // instruction
+  unsigned long smem_warp_count;  // number of warps accessing shared memory
+  unsigned long long gmem_n_access_total;  // number of uncoalesced access in
+                                           // total from this instruction
+  unsigned long
+      gmem_warp_count;  // number of warps causing these uncoalesced access
+  unsigned long long exposed_latency;  // latency exposed as pipeline bubbles
+                                       // (attributed to this instruction)
+  unsigned long long
+      warp_divergence;  // number of warp divergence occured at this instruction
 };
 
 #if (tr1_hash_map_ismap == 1)
-typedef tr1_hash_map<ptx_file_line, ptx_file_line_stats> ptx_file_line_stats_map_t;
+typedef tr1_hash_map<ptx_file_line, ptx_file_line_stats>
+    ptx_file_line_stats_map_t;
 #else
-struct hash_ptx_file_line
-{
-    std::size_t operator()(const ptx_file_line & pfline) const {
-        std::hash<unsigned> hash_line;
-        return hash_line(pfline.line);
-    }
+struct hash_ptx_file_line {
+  std::size_t operator()(const ptx_file_line &pfline) const {
+    std::hash<unsigned> hash_line;
+    return hash_line(pfline.line);
+  }
 };
-typedef tr1_hash_map<ptx_file_line, ptx_file_line_stats, hash_ptx_file_line> ptx_file_line_stats_map_t;
+typedef tr1_hash_map<ptx_file_line, ptx_file_line_stats, hash_ptx_file_line>
+    ptx_file_line_stats_map_t;
 #endif
 
 static ptx_file_line_stats_map_t ptx_file_line_stats_tracker;
 
 // output statistics to a file
-void ptx_stats::ptx_file_line_stats_write_file()
-{
-    // check if stat collection is turned on
-    if (enable_ptx_file_line_stats == 0) return;
+void ptx_stats::ptx_file_line_stats_write_file() {
+  // check if stat collection is turned on
+  if (enable_ptx_file_line_stats == 0) return;
 
-    ptx_file_line_stats_map_t::iterator it;
-    FILE * pfile;
+  ptx_file_line_stats_map_t::iterator it;
+  FILE *pfile;
 
-    pfile = fopen(ptx_line_stats_filename, "w");
-    fprintf(pfile,"kernel line : count latency dram_traffic smem_bk_conflicts smem_warp gmem_access_generated gmem_warp exposed_latency warp_divergence\n");
-    for( it=ptx_file_line_stats_tracker.begin(); it != ptx_file_line_stats_tracker.end(); it++ ) {
-        fprintf(pfile, "%s %i : ", it->first.st.c_str(), it->first.line);
-        fprintf(pfile, "%lu ", it->second.exec_count);
-        fprintf(pfile, "%llu ", it->second.latency);
-        fprintf(pfile, "%llu ", it->second.dram_traffic);
-        fprintf(pfile, "%llu ", it->second.smem_n_way_bank_conflict_total);
-        fprintf(pfile, "%lu ", it->second.smem_warp_count);
-        fprintf(pfile, "%llu ", it->second.gmem_n_access_total);
-        fprintf(pfile, "%lu ", it->second.gmem_warp_count);
-        fprintf(pfile, "%llu ", it->second.exposed_latency);
-        fprintf(pfile, "%llu ", it->second.warp_divergence);
-        fprintf(pfile, "\n");
-    }
-    fflush(pfile);
-    fclose(pfile);
+  pfile = fopen(ptx_line_stats_filename, "w");
+  fprintf(pfile,
+          "kernel line : count latency dram_traffic smem_bk_conflicts "
+          "smem_warp gmem_access_generated gmem_warp exposed_latency "
+          "warp_divergence\n");
+  for (it = ptx_file_line_stats_tracker.begin();
+       it != ptx_file_line_stats_tracker.end(); it++) {
+    fprintf(pfile, "%s %i : ", it->first.st.c_str(), it->first.line);
+    fprintf(pfile, "%lu ", it->second.exec_count);
+    fprintf(pfile, "%llu ", it->second.latency);
+    fprintf(pfile, "%llu ", it->second.dram_traffic);
+    fprintf(pfile, "%llu ", it->second.smem_n_way_bank_conflict_total);
+    fprintf(pfile, "%lu ", it->second.smem_warp_count);
+    fprintf(pfile, "%llu ", it->second.gmem_n_access_total);
+    fprintf(pfile, "%lu ", it->second.gmem_warp_count);
+    fprintf(pfile, "%llu ", it->second.exposed_latency);
+    fprintf(pfile, "%llu ", it->second.warp_divergence);
+    fprintf(pfile, "\n");
+  }
+  fflush(pfile);
+  fclose(pfile);
 }
 
 // attribute one more execution count to this ptx instruction
 // counting the number of threads (not warps) executing this instruction
-void ptx_file_line_stats_add_exec_count(const ptx_instruction *pInsn)
-{
-    ptx_file_line_stats_tracker[ptx_file_line(pInsn->source_file(), pInsn->source_line())].exec_count += 1;
+void ptx_file_line_stats_add_exec_count(const ptx_instruction *pInsn) {
+  ptx_file_line_stats_tracker[ptx_file_line(pInsn->source_file(),
+                                            pInsn->source_line())]
+      .exec_count += 1;
 }
 
 // attribute pipeline latency to this ptx instruction (specified by the pc)
-// pipeline latency is the number of cycles a warp with this instruction spent in the pipeline
-void ptx_stats::ptx_file_line_stats_add_latency(unsigned pc, unsigned latency)
-{
-    const ptx_instruction *pInsn = gpgpu_ctx->pc_to_instruction(pc);
-    
-    ptx_file_line_stats_tracker[ptx_file_line(pInsn->source_file(), pInsn->source_line())].latency += latency;
+// pipeline latency is the number of cycles a warp with this instruction spent
+// in the pipeline
+void ptx_stats::ptx_file_line_stats_add_latency(unsigned pc, unsigned latency) {
+  const ptx_instruction *pInsn = gpgpu_ctx->pc_to_instruction(pc);
+
+  ptx_file_line_stats_tracker[ptx_file_line(pInsn->source_file(),
+                                            pInsn->source_line())]
+      .latency += latency;
 }
 
 // attribute dram traffic to this ptx instruction (specified by the pc)
-// dram traffic is counted in number of requests 
-void ptx_stats::ptx_file_line_stats_add_dram_traffic(unsigned pc, unsigned dram_traffic)
-{
-    const ptx_instruction *pInsn = gpgpu_ctx->pc_to_instruction(pc);
-    
-    ptx_file_line_stats_tracker[ptx_file_line(pInsn->source_file(), pInsn->source_line())].dram_traffic += dram_traffic;
+// dram traffic is counted in number of requests
+void ptx_stats::ptx_file_line_stats_add_dram_traffic(unsigned pc,
+                                                     unsigned dram_traffic) {
+  const ptx_instruction *pInsn = gpgpu_ctx->pc_to_instruction(pc);
+
+  ptx_file_line_stats_tracker[ptx_file_line(pInsn->source_file(),
+                                            pInsn->source_line())]
+      .dram_traffic += dram_traffic;
 }
 
 // attribute the number of shared memory access cycles to a ptx instruction
-// counts both the number of warps doing shared memory access and the number of cycles involved
-void ptx_stats::ptx_file_line_stats_add_smem_bank_conflict(unsigned pc, unsigned n_way_bkconflict)
-{
-    const ptx_instruction *pInsn = gpgpu_ctx->pc_to_instruction(pc);
-    
-    ptx_file_line_stats& line_stats = ptx_file_line_stats_tracker[ptx_file_line(pInsn->source_file(), pInsn->source_line())];
-    line_stats.smem_n_way_bank_conflict_total += n_way_bkconflict;
-    line_stats.smem_warp_count += 1;
+// counts both the number of warps doing shared memory access and the number of
+// cycles involved
+void ptx_stats::ptx_file_line_stats_add_smem_bank_conflict(
+    unsigned pc, unsigned n_way_bkconflict) {
+  const ptx_instruction *pInsn = gpgpu_ctx->pc_to_instruction(pc);
+
+  ptx_file_line_stats &line_stats = ptx_file_line_stats_tracker[ptx_file_line(
+      pInsn->source_file(), pInsn->source_line())];
+  line_stats.smem_n_way_bank_conflict_total += n_way_bkconflict;
+  line_stats.smem_warp_count += 1;
 }
 
-// attribute a non-coalesced mem access to a ptx instruction 
-// counts both the number of warps causing this and the number of memory requests generated
-void ptx_stats::ptx_file_line_stats_add_uncoalesced_gmem(unsigned pc, unsigned n_access)
-{
-    const ptx_instruction *pInsn = gpgpu_ctx->pc_to_instruction(pc);
-    
-    ptx_file_line_stats& line_stats = ptx_file_line_stats_tracker[ptx_file_line(pInsn->source_file(), pInsn->source_line())];
-    line_stats.gmem_n_access_total += n_access;
-    line_stats.gmem_warp_count += 1;
+// attribute a non-coalesced mem access to a ptx instruction
+// counts both the number of warps causing this and the number of memory
+// requests generated
+void ptx_stats::ptx_file_line_stats_add_uncoalesced_gmem(unsigned pc,
+                                                         unsigned n_access) {
+  const ptx_instruction *pInsn = gpgpu_ctx->pc_to_instruction(pc);
+
+  ptx_file_line_stats &line_stats = ptx_file_line_stats_tracker[ptx_file_line(
+      pInsn->source_file(), pInsn->source_line())];
+  line_stats.gmem_n_access_total += n_access;
+  line_stats.gmem_warp_count += 1;
 }
 
-// a class that tracks the inflight memory instructions of a shader core 
-// and attributes exposed latency to those instructions when signaled to do so 
-class ptx_inflight_memory_insn_tracker
-{
-public:
-    typedef std::map<const ptx_instruction *, int> insn_count_map;
+// a class that tracks the inflight memory instructions of a shader core
+// and attributes exposed latency to those instructions when signaled to do so
+class ptx_inflight_memory_insn_tracker {
+ public:
+  typedef std::map<const ptx_instruction *, int> insn_count_map;
 
-    void add_count(const ptx_instruction * pInsn, int count = 1)
-    {
-        ptx_inflight_memory_insns[pInsn] += count;
-    }
+  void add_count(const ptx_instruction *pInsn, int count = 1) {
+    ptx_inflight_memory_insns[pInsn] += count;
+  }
 
-    void sub_count(const ptx_instruction * pInsn, int count = 1)
-    {
-        insn_count_map::iterator i_insncount; 
-        i_insncount = ptx_inflight_memory_insns.find(pInsn);
+  void sub_count(const ptx_instruction *pInsn, int count = 1) {
+    insn_count_map::iterator i_insncount;
+    i_insncount = ptx_inflight_memory_insns.find(pInsn);
 
-        assert(i_insncount != ptx_inflight_memory_insns.end());
+    assert(i_insncount != ptx_inflight_memory_insns.end());
 
-        i_insncount->second -= count;
+    i_insncount->second -= count;
 
-        if (i_insncount->second <= 0) {
-            ptx_inflight_memory_insns.erase(i_insncount);
-        }
+    if (i_insncount->second <= 0) {
+      ptx_inflight_memory_insns.erase(i_insncount);
     }
+  }
 
-    void attribute_exposed_latency(int count = 1)
-    {
-        insn_count_map &exlat_insnmap = ptx_inflight_memory_insns;
-        insn_count_map::const_iterator i_exlatinsn;
+  void attribute_exposed_latency(int count = 1) {
+    insn_count_map &exlat_insnmap = ptx_inflight_memory_insns;
+    insn_count_map::const_iterator i_exlatinsn;
 
-        i_exlatinsn = exlat_insnmap.begin();
-        for (; i_exlatinsn != exlat_insnmap.end(); ++i_exlatinsn) {
-            const ptx_instruction *pInsn = i_exlatinsn->first;
-            ptx_file_line_stats& line_stats = ptx_file_line_stats_tracker[ptx_file_line(pInsn->source_file(), pInsn->source_line())];
-            line_stats.exposed_latency += count;
-        }
+    i_exlatinsn = exlat_insnmap.begin();
+    for (; i_exlatinsn != exlat_insnmap.end(); ++i_exlatinsn) {
+      const ptx_instruction *pInsn = i_exlatinsn->first;
+      ptx_file_line_stats &line_stats =
+          ptx_file_line_stats_tracker[ptx_file_line(pInsn->source_file(),
+                                                    pInsn->source_line())];
+      line_stats.exposed_latency += count;
     }
+  }
 
-    insn_count_map ptx_inflight_memory_insns;
+  insn_count_map ptx_inflight_memory_insns;
 };
 
 static ptx_inflight_memory_insn_tracker *inflight_mem_tracker = NULL;
 
-void ptx_file_line_stats_create_exposed_latency_tracker(int n_shader_cores)
-{
-    inflight_mem_tracker = new ptx_inflight_memory_insn_tracker[n_shader_cores];
+void ptx_file_line_stats_create_exposed_latency_tracker(int n_shader_cores) {
+  inflight_mem_tracker = new ptx_inflight_memory_insn_tracker[n_shader_cores];
 }
 
 // add an inflight memory instruction
-void ptx_stats::ptx_file_line_stats_add_inflight_memory_insn(int sc_id, unsigned pc)
-{
-    const ptx_instruction *pInsn = gpgpu_ctx->pc_to_instruction(pc);
+void ptx_stats::ptx_file_line_stats_add_inflight_memory_insn(int sc_id,
+                                                             unsigned pc) {
+  const ptx_instruction *pInsn = gpgpu_ctx->pc_to_instruction(pc);
 
-    inflight_mem_tracker[sc_id].add_count(pInsn);
+  inflight_mem_tracker[sc_id].add_count(pInsn);
 }
 
 // remove an inflight memory instruction
-void ptx_stats::ptx_file_line_stats_sub_inflight_memory_insn(int sc_id, unsigned pc)
-{
-    const ptx_instruction *pInsn = gpgpu_ctx->pc_to_instruction(pc);
+void ptx_stats::ptx_file_line_stats_sub_inflight_memory_insn(int sc_id,
+                                                             unsigned pc) {
+  const ptx_instruction *pInsn = gpgpu_ctx->pc_to_instruction(pc);
 
-    inflight_mem_tracker[sc_id].sub_count(pInsn);
+  inflight_mem_tracker[sc_id].sub_count(pInsn);
 }
 
-// attribute an empty cycle in the pipeline (exposed latency) to the ptx memory instructions in flight
-void ptx_file_line_stats_commit_exposed_latency(int sc_id, int exposed_latency)
-{
-    assert(exposed_latency > 0);
-    inflight_mem_tracker[sc_id].attribute_exposed_latency(exposed_latency);
+// attribute an empty cycle in the pipeline (exposed latency) to the ptx memory
+// instructions in flight
+void ptx_file_line_stats_commit_exposed_latency(int sc_id,
+                                                int exposed_latency) {
+  assert(exposed_latency > 0);
+  inflight_mem_tracker[sc_id].attribute_exposed_latency(exposed_latency);
 }
 
 // attribute the number of warp divergence to a ptx instruction
-void ptx_stats::ptx_file_line_stats_add_warp_divergence(unsigned pc, unsigned n_way_divergence)
-{
-    const ptx_instruction *pInsn = gpgpu_ctx->pc_to_instruction(pc);
-    
-    ptx_file_line_stats& line_stats = ptx_file_line_stats_tracker[ptx_file_line(pInsn->source_file(), pInsn->source_line())];
-    line_stats.warp_divergence += n_way_divergence;
-}
+void ptx_stats::ptx_file_line_stats_add_warp_divergence(
+    unsigned pc, unsigned n_way_divergence) {
+  const ptx_instruction *pInsn = gpgpu_ctx->pc_to_instruction(pc);
 
+  ptx_file_line_stats &line_stats = ptx_file_line_stats_tracker[ptx_file_line(
+      pInsn->source_file(), pInsn->source_line())];
+  line_stats.warp_divergence += n_way_divergence;
+}