Redesigned the memory partition unit to support multiple L2 cache banks per partition. Each L2 cache banks has its own connection to the interconnection network to allow L2 bandwidth to scale without increase the number of memory parttiion units.

[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 16613]

1 files changed, 55 insertions, 0 deletions

diff --git a/src/gpgpu-sim/l2cache_trace.h b/src/gpgpu-sim/l2cache_trace.h
new file mode 100644
index 0000000..3dac87d
--- /dev/null
+++ b/src/gpgpu-sim/l2cache_trace.h
@@ -0,0 +1,55 @@
+// Copyright (c) 2009-2011, Tor M. Aamodt, Tim Rogers, Wilson W. L. Fung 
+// The University of British Columbia
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//
+// 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
+// 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
+// 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
+// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+// 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.
+
+#pragma once 
+
+#include "../trace.h"
+
+#if TRACING_ON
+
+#define MEMPART_PRINT_STR SIM_PRINT_STR " %d - "
+#define MEMPART_DTRACE(x)  ( DTRACE(x) && (Trace::sampling_memory_partition == -1 || Trace::sampling_memory_partition == (int)get_mpid()) )
+
+// Intended to be called from inside components of a memory partition
+// Depends on a get_mpid() function
+#define MEMPART_DPRINTF(...) do {\
+    if (MEMPART_DTRACE(MEMORY_PARTITION_UNIT)) {\
+        printf( MEMPART_PRINT_STR,\
+                gpu_sim_cycle + gpu_tot_sim_cycle,\
+                Trace::trace_streams_str[Trace::MEMORY_PARTITION_UNIT],\
+                get_mpid() );\
+        printf(__VA_ARGS__);\
+    }\
+} while (0)
+
+#else
+
+#define MEMPART_DTRACE(x)  (false)
+#define MEMPART_DPRINTF(x, ...) do {} while (0)
+
+#endif
+