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Carcosa: Add ECC modeling/Balar Bridge/State Tracking #2704

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Carcosa: Add ECC modeling/Balar Bridge/State Tracking #2704

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d4b42c3
carcosa: add ECC framework and transport-neutral Hali
nab880 Jul 10, 2026
7629273
carcosa: add PortModuleStateGate and pipeline examples
nab880 Jul 10, 2026
5477422
carcosa: add ring protocol and optional BalarRingBridge
nab880 Jul 10, 2026
1b7576a
carcosa: add in-tree frame-pipeline test double
nab880 Jul 10, 2026
8e6b569
carcosa: add dedicated behavioral regression suite
nab880 Jul 10, 2026
1807bf3
Refactor Carcosa replay and fault handling
nab880 Jul 12, 2026
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9 changes: 9 additions & 0 deletions src/sst/elements/carcosa/.gitignore
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Original file line number Diff line number Diff line change
@@ -0,0 +1,9 @@
tests/pingpong
tests/fourstate

tests/*.log
tests/stdout-*
tests/stderr-*
tests/tmp/

*.bak
123 changes: 111 additions & 12 deletions src/sst/elements/carcosa/Makefile.am
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Expand Up @@ -11,6 +11,19 @@ comp_LTLIBRARIES = libcarcosa.la
libcarcosa_la_SOURCES = \
components/hali.cc \
components/hali.h \
components/eccGuard.cc \
components/eccGuard.h \
components/eccPayloadCorruptor.cc \
components/eccPayloadCorruptor.h \
components/eccModelMath.h \
components/criticalActionWatcher.cc \
components/criticalActionWatcher.h \
components/eccScheme.h \
components/eccPolicy.h \
components/componentTestBounds.h \
components/configParse.h \
components/actionScorer.cc \
components/actionScorer.h \
components/faultInjManager.cc \
components/faultInjManager.h \
injectors/faultInjectorBase.cc \
Expand All @@ -25,6 +38,8 @@ libcarcosa_la_SOURCES = \
injectors/randomFlipFaultInjector.h \
injectors/dropFlipFaultInjector.cc \
injectors/dropFlipFaultInjector.h \
injectors/portModuleStateGate.cc \
injectors/portModuleStateGate.h \
injectors/faultInjectorMemH.cc \
injectors/faultInjectorMemH.h \
faultlogic/faultBase.cc \
Expand All @@ -50,19 +65,57 @@ libcarcosa_la_SOURCES = \
components/faultInjEvent.h \
components/faultInjManagerAPI.h \
components/interceptionAgentAPI.h \
components/hyadesProtocol.h \
components/pipelineStateRegistry.h \
components/pingPongAgent.cc \
components/pingPongAgent.h \
components/fourStateAgent.cc \
components/fourStateAgent.h \
components/framePipelineDriver.cc \
components/framePipelineDriver.h \
components/regressionTestComponents.cc \
components/regressionTestComponents.h \
components/vlaRegions.h \
components/carcosaMemCtrl.cc \
components/carcosaMemCtrl.h \
components/sensorComponent.cc \
components/sensorComponent.h \
components/sensorComponent.h \
components/sensorEvent.h \
components/haliEvent.h
components/haliEvent.h \
components/ringProtocol.h \
components/carcosaHash.h \
examples/SimplePipeline/simplePipelineExample.cc \
examples/SimplePipeline/simplePipelineExample.h \
examples/MmioControl/mmioControlExample.cc \
examples/MmioControl/mmioControlExample.h

# Optional balar ring bridge: compiled into libcarcosa only when GPGPU-Sim/balar
# is available (SST_CARCOSA_HAVE_BALAR, set by configure.m4 -> HAVE_BALAR_BRIDGE).
# Header-only dependency on balar's packet ABI, so only the CUDA include path is
# added here (no GPGPU-Sim libs). A checkout with no balar/ builds libcarcosa
# unchanged with the bridge compiled out.
if SST_CARCOSA_HAVE_BALAR
libcarcosa_la_SOURCES += \
components/balarRingBridge.cc \
components/balarRingBridge.h \
components/balarTraceParser.cc \
components/balarTraceParser.h
# HAVE_BALAR_BRIDGE is passed on the command line (like balar's own -DHAVE_CUDA=1
# in CUDA_CPPFLAGS) rather than via sst_element_config.h, which element sources do
# not include. CUDA_CPPFLAGS carries the CUDA include path for balar's packet headers.
AM_CPPFLAGS += $(CUDA_CPPFLAGS) -DHAVE_BALAR_BRIDGE=1
endif

EXTRA_DIST = \
hyades.h \
tests/pingpong.c \
tests/testcarcosaPingPong.py \
tests/fourstate.c \
tests/testCarcosaPingPong.py \
tests/testFourStateRegistry.py \
tests/testFourStateRegistryGated.py \
examples/SimplePipeline/tests/testSimplePipeline.py \
examples/SimplePipeline/tests/testPortModuleStateGate.py \
examples/MmioControl/tests/testMmioControl.py \
tests/testCorruptMemBasic.py \
tests/testCorruptMemDouble.py \
tests/testCorruptMemDoubleOverlap.py \
Expand All @@ -73,11 +126,39 @@ EXTRA_DIST = \
tests/testStuckAtOverlap.py \
tests/testStuckAtSameByte.py \
tests/mhlib.py \
tests/testdynamicPM.py \
tests/testhaliBacking.py \
tests/testhaliMemH.py \
tests/testhaliPM.py \
tests/testmanagerLogic.py
tests/testDynamicPM.py \
tests/testEccGuardJedecMix.py \
tests/testEccGuardRegionPolicy.py \
tests/testEccGuardResident.py \
tests/testEccGuardSmoke.py \
tests/testEccModelDeterministic.py \
tests/eccRuntimeCommon.py \
tests/testEccRuntimeCorrectable.py \
tests/testEccRuntimeDueDrop.py \
tests/testEccRuntimeEscape.py \
tests/testEccCampaignReentry.py \
tests/testEccPoissonDistribution.py \
tests/testEccJedecDistribution.py \
tests/testEccResidentDistribution.py \
tests/framePipelineCommon.py \
tests/testFramePipelineClean.py \
tests/testFramePipelineCorrupt.py \
tests/testFramePipelineFallback.py \
tests/testFramePipelineMissingGolden.py \
tests/testStateGateRegionNoOverlap.py \
tests/testStateGateRegionOverlap.py \
tests/testActionScorerTaxonomy.py \
tests/testActionScorerTokenFallback.py \
tests/testActionScorerDropDivergence.py \
tests/haliEdgeCommon.py \
tests/testHaliPayloadlessGetX.py \
tests/testHaliDoubleDeferred.py \
tests/testHaliDeferredComplete.py \
tests/testHaliPayloadGetX.py \
tests/testHaliBacking.py \
tests/testHaliMemH.py \
tests/testHaliPM.py \
tests/testManagerLogic.py

sstdir = $(includedir)/sst/elements/carcosa
nobase_sst_HEADERS = \
Expand All @@ -87,6 +168,7 @@ nobase_sst_HEADERS = \
injectors/randomDropFaultInjector.h \
injectors/randomFlipFaultInjector.h \
injectors/dropFlipFaultInjector.h \
injectors/portModuleStateGate.h \
injectors/faultInjectorMemH.h \
faultlogic/faultBase.h \
faultlogic/stuckAtFault.h \
Expand All @@ -95,12 +177,29 @@ nobase_sst_HEADERS = \
faultlogic/randomFlipFault.h \
faultlogic/randomFlipMemHFault.h \
components/pmDataRegistry.h \
components/faultInjManagerAPI.h \
components/interceptionAgentAPI.h \
components/pingPongAgent.h
components/componentTestBounds.h \
components/configParse.h \
components/eccScheme.h \
components/eccPolicy.h \
components/eccGuard.h \
components/eccPayloadCorruptor.h \
components/eccModelMath.h \
components/criticalActionWatcher.h \
components/actionScorer.h \
components/faultInjManagerAPI.h \
components/interceptionAgentAPI.h \
components/ringProtocol.h \
components/hyadesProtocol.h \
components/carcosaHash.h \
components/pipelineStateRegistry.h \
components/pingPongAgent.h \
components/fourStateAgent.h \
components/haliEvent.h \
examples/SimplePipeline/simplePipelineExample.h \
examples/MmioControl/mmioControlExample.h \
components/vlaRegions.h

libcarcosa_la_LDFLAGS = -module -avoid-version
libcarcosa_la_LIBADD =

AM_CPPFLAGS += $(HMC_FLAG)
install-exec-hook:
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