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Diffstat (limited to 'src/gpgpu-sim/mem_fetch.cc')
-rw-r--r--src/gpgpu-sim/mem_fetch.cc171
1 files changed, 88 insertions, 83 deletions
diff --git a/src/gpgpu-sim/mem_fetch.cc b/src/gpgpu-sim/mem_fetch.cc
index b6126fc..6a00889 100644
--- a/src/gpgpu-sim/mem_fetch.cc
+++ b/src/gpgpu-sim/mem_fetch.cc
@@ -7,16 +7,14 @@
//
// 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
@@ -28,111 +26,118 @@
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "mem_fetch.h"
-#include "gpu-sim.h"
#include "mem_latency_stat.h"
#include "shader.h"
#include "visualizer.h"
+#include "gpu-sim.h"
-unsigned mem_fetch::sm_next_mf_request_uid = 1;
+unsigned mem_fetch::sm_next_mf_request_uid=1;
-mem_fetch::mem_fetch(const mem_access_t &access, const warp_inst_t *inst,
- unsigned ctrl_size, unsigned wid, unsigned sid,
- unsigned tpc, const memory_config *config,
- unsigned long long cycle, mem_fetch *m_original_mf,
- mem_fetch *m_original_wr_mf)
- : m_access(access)
+mem_fetch::mem_fetch( const mem_access_t &access,
+ const warp_inst_t *inst,
+ unsigned ctrl_size,
+ unsigned wid,
+ unsigned sid,
+ unsigned tpc,
+ const memory_config *config,
+ unsigned long long cycle,
+ mem_fetch *m_original_mf,
+ mem_fetch *m_original_wr_mf):m_access(access)
{
- m_request_uid = sm_next_mf_request_uid++;
- m_access = access;
- if (inst) {
- m_inst = *inst;
- assert(wid == m_inst.warp_id());
- }
- m_data_size = access.get_size();
- m_ctrl_size = ctrl_size;
- m_sid = sid;
- m_tpc = tpc;
- m_wid = wid;
- config->m_address_mapping.addrdec_tlx(access.get_addr(), &m_raw_addr);
- m_partition_addr =
- config->m_address_mapping.partition_address(access.get_addr());
- m_type = m_access.is_write() ? WRITE_REQUEST : READ_REQUEST;
- m_timestamp = cycle;
- m_timestamp2 = 0;
- m_status = MEM_FETCH_INITIALIZED;
- m_status_change = cycle;
- m_mem_config = config;
- icnt_flit_size = config->icnt_flit_size;
- original_mf = m_original_mf;
- original_wr_mf = m_original_wr_mf;
+ m_request_uid = sm_next_mf_request_uid++;
+ m_access = access;
+ if( inst ) {
+ m_inst = *inst;
+ assert( wid == m_inst.warp_id() );
+ }
+ m_data_size = access.get_size();
+ m_ctrl_size = ctrl_size;
+ m_sid = sid;
+ m_tpc = tpc;
+ m_wid = wid;
+ config->m_address_mapping.addrdec_tlx(access.get_addr(),&m_raw_addr);
+ m_partition_addr = config->m_address_mapping.partition_address(access.get_addr());
+ m_type = m_access.is_write()?WRITE_REQUEST:READ_REQUEST;
+ m_timestamp = cycle;
+ m_timestamp2 = 0;
+ m_status = MEM_FETCH_INITIALIZED;
+ m_status_change = cycle;
+ m_mem_config = config;
+ icnt_flit_size = config->icnt_flit_size;
+ original_mf = m_original_mf;
+ original_wr_mf = m_original_wr_mf;
}
-mem_fetch::~mem_fetch() { m_status = MEM_FETCH_DELETED; }
+mem_fetch::~mem_fetch()
+{
+ m_status = MEM_FETCH_DELETED;
+}
-#define MF_TUP_BEGIN(X) static const char *Status_str[] = {
+#define MF_TUP_BEGIN(X) static const char* Status_str[] = {
#define MF_TUP(X) #X
-#define MF_TUP_END(X) \
- } \
- ;
+#define MF_TUP_END(X) };
#include "mem_fetch_status.tup"
#undef MF_TUP_BEGIN
#undef MF_TUP
#undef MF_TUP_END
-void mem_fetch::print(FILE *fp, bool print_inst) const {
- if (this == NULL) {
- fprintf(fp, " <NULL mem_fetch pointer>\n");
- return;
- }
- fprintf(fp, " mf: uid=%6u, sid%02u:w%02u, part=%u, ", m_request_uid, m_sid,
- m_wid, m_raw_addr.chip);
- m_access.print(fp);
- if ((unsigned)m_status < NUM_MEM_REQ_STAT)
- fprintf(fp, " status = %s (%llu), ", Status_str[m_status], m_status_change);
- else
- fprintf(fp, " status = %u??? (%llu), ", m_status, m_status_change);
- if (!m_inst.empty() && print_inst)
- m_inst.print(fp);
- else
- fprintf(fp, "\n");
+void mem_fetch::print( FILE *fp, bool print_inst ) const
+{
+ if( this == NULL ) {
+ fprintf(fp," <NULL mem_fetch pointer>\n");
+ return;
+ }
+ fprintf(fp," mf: uid=%6u, sid%02u:w%02u, part=%u, ", m_request_uid, m_sid, m_wid, m_raw_addr.chip );
+ m_access.print(fp);
+ if( (unsigned)m_status < NUM_MEM_REQ_STAT )
+ fprintf(fp," status = %s (%llu), ", Status_str[m_status], m_status_change );
+ else
+ fprintf(fp," status = %u??? (%llu), ", m_status, m_status_change );
+ if( !m_inst.empty() && print_inst ) m_inst.print(fp);
+ else fprintf(fp,"\n");
}
-void mem_fetch::set_status(enum mem_fetch_status status,
- unsigned long long cycle) {
- m_status = status;
- m_status_change = cycle;
+void mem_fetch::set_status( enum mem_fetch_status status, unsigned long long cycle )
+{
+ m_status = status;
+ m_status_change = cycle;
}
-bool mem_fetch::isatomic() const {
- if (m_inst.empty()) return false;
- return m_inst.isatomic();
+bool mem_fetch::isatomic() const
+{
+ if( m_inst.empty() ) return false;
+ return m_inst.isatomic();
}
-void mem_fetch::do_atomic() { m_inst.do_atomic(m_access.get_warp_mask()); }
+void mem_fetch::do_atomic()
+{
+ m_inst.do_atomic( m_access.get_warp_mask() );
+}
-bool mem_fetch::istexture() const {
- if (m_inst.empty()) return false;
- return m_inst.space.get_type() == tex_space;
+bool mem_fetch::istexture() const
+{
+ if( m_inst.empty() ) return false;
+ return m_inst.space.get_type() == tex_space;
}
-bool mem_fetch::isconst() const {
- if (m_inst.empty()) return false;
- return (m_inst.space.get_type() == const_space) ||
- (m_inst.space.get_type() == param_space_kernel);
+bool mem_fetch::isconst() const
+{
+ if( m_inst.empty() ) return false;
+ return (m_inst.space.get_type() == const_space) || (m_inst.space.get_type() == param_space_kernel);
}
-/// Returns number of flits traversing interconnect. simt_to_mem specifies the
-/// direction
-unsigned mem_fetch::get_num_flits(bool simt_to_mem) {
- unsigned sz = 0;
- // If atomic, write going to memory, or read coming back from memory, size =
- // ctrl + data. Else, only ctrl
- if (isatomic() || (simt_to_mem && get_is_write()) ||
- !(simt_to_mem || get_is_write()))
- sz = size();
- else
- sz = get_ctrl_size();
+/// Returns number of flits traversing interconnect. simt_to_mem specifies the direction
+unsigned mem_fetch::get_num_flits(bool simt_to_mem){
+ unsigned sz=0;
+ // If atomic, write going to memory, or read coming back from memory, size = ctrl + data. Else, only ctrl
+ if( isatomic() || (simt_to_mem && get_is_write()) || !(simt_to_mem || get_is_write()) )
+ sz = size();
+ else
+ sz = get_ctrl_size();
- return (sz / icnt_flit_size) + ((sz % icnt_flit_size) ? 1 : 0);
+ return (sz/icnt_flit_size) + ( (sz % icnt_flit_size)? 1:0);
}
+
+
+
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