Huang Jiasen has uploaded this change for review. (
https://gem5-review.googlesource.com/c/public/gem5/+/55084 )
Change subject: mem-cache: pstAddress should be inserted into PST in STeMS
......................................................................
mem-cache: pstAddress should be inserted into PST in STeMS
Change-Id: Ib2c4c5fb0fec32e63947d3ee8dcb5c3d7e2555ab
---
M src/mem/cache/prefetch/spatio_temporal_memory_streaming.cc
1 file changed, 14 insertions(+), 2 deletions(-)
diff --git a/src/mem/cache/prefetch/spatio_temporal_memory_streaming.cc
b/src/mem/cache/prefetch/spatio_temporal_memory_streaming.cc
index 6030096..072798e 100644
--- a/src/mem/cache/prefetch/spatio_temporal_memory_streaming.cc
+++ b/src/mem/cache/prefetch/spatio_temporal_memory_streaming.cc
@@ -74,6 +74,7 @@
if (agt_entry.isValid()) {
bool generation_ended = false;
bool sr_is_secure = agt_entry.isSecure();
+ Addr pst_addr = 0;
for (auto &seq_entry : agt_entry.sequence) {
if (seq_entry.counter > 0) {
Addr cache_addr =
@@ -81,6 +82,8 @@
if (!inCache(cache_addr, sr_is_secure) &&
!inMissQueue(cache_addr, sr_is_secure)) {
generation_ended = true;
+ pst_addr = (agt_entry.pc << spatialRegionSizeBits)
+ + seq_entry.offset;
break;
}
}
@@ -92,9 +95,9 @@
false /*unused*/);
if (pst_entry == nullptr) {
// Tipically an entry will not exist
- pst_entry =
patternSequenceTable.findVictim(agt_entry.pc);
+ pst_entry = patternSequenceTable.findVictim(pst_addr);
assert(pst_entry != nullptr);
- patternSequenceTable.insertEntry(agt_entry.pc,
+ patternSequenceTable.insertEntry(pst_addr,
false /*unused*/, pst_entry);
} else {
patternSequenceTable.accessEntry(pst_entry);
--
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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: Ib2c4c5fb0fec32e63947d3ee8dcb5c3d7e2555ab
Gerrit-Change-Number: 55084
Gerrit-PatchSet: 1
Gerrit-Owner: Huang Jiasen <[email protected]>
Gerrit-MessageType: newchange
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