Accel-Sim 2.0: full NVIDIA Hopper (H100/H200) support - #553

Merged

JRPan merged 147 commits into

accel-sim:devfrom

purdue-aalp:h100-test

Aug 25, 2026

Commits on Jan 21, 2026

dummpy h100 config

christindbose
authored and
JRPan
committed
f2b387a
updated hopper trace config

christindbose
authored and
JRPan
committed
46b467f
supporting code to run hopper traces

christindbose
authored and
JRPan
committed
85b94c4
added some hopper opcodes

christindbose
authored and
JRPan
committed
12b88c7
Add TMA tracing support

William-An
authored and
JRPan
committed
0ab7a67
Watch out for WARPSYNC.COLLECTIVE instructions during instrumentation,

FJShen
authored and
JRPan
committed
d417e8b
Add TMA addr compression support and only process global addrs

William-An
authored and
JRPan
committed
dc0c0b5
add TMA trace parsing

William-An
authored and
JRPan
committed
8220732
Add TMA opcodes

William-An
authored and
JRPan
committed
8485330
fix parser for TMA

William-An
authored and
JRPan
committed
00ba5d7
Make the WarpSyncWatchdog optional.

FJShen
authored and
JRPan
committed
3cdc8df
tracer optionally ignores TMA instructions

FJShen
authored and
JRPan
committed
7423840
Tracer: more robust behavior when leave_kernel_launch makes it terminate on CUDA error

FJShen
authored and
JRPan
committed
6f2192b
Tracer can optionally tracer register values

FJShen
authored and
JRPan
committed
80efa70
Add new trace file version to tracer. AccelSim trace parser not yet

FJShen
authored and
JRPan
committed
93f101e
stub code for consuming the remainder of version 6 trace

FJShen
authored and
JRPan
committed
bd2be82
fixed a trace file formatting bug introduced by AI coding tools

FJShen
authored and
JRPan
committed
683d516
continue fixing formatting bug

FJShen
authored and
JRPan
committed
0d08457
add tma apps

William-An
authored and
JRPan
committed
ebde070
fix a typo

William-An
authored and
JRPan
committed
ea7fc5b
add H100 to launch control

William-An
authored and
JRPan
committed
33053f5
add bulk opcode and set PF as nop

William-An
authored and
JRPan
committed
644e819
fix a deadlock due to EXIT and BAR inst

William-An
authored and
JRPan
committed
473781b
add LLM tool ignore list

William-An
authored and
JRPan
committed
e5f79bc
add more bulk test args

William-An
authored and
JRPan
committed
a4c9c3f
add option to run ncu set stats

William-An
authored and
JRPan
committed
f3e064c
fix typo

William-An
authored and
JRPan
committed
c1979dc
add reduction metrics count for UTMAREDG and UBLKREDG

William-An
authored and
JRPan
committed
de8b14e
fix for tma simulation

William-An
authored and
JRPan
committed
acb2ff0
use guard to run with public NVBit

William-An
authored and
JRPan
committed
811b1e3
Vllm update (#485)

LAhmos
authored and
JRPan
committed
2f7ac3d
add regular load test to tma benchmark

William-An
authored and
JRPan
committed
6e5e22a
Modified h100 trace config (#41)

Connie120
authored and
JRPan
committed
ba70fb5
adding H100 CIs
JRPan
committed
c9a9e11
apply format
JRPan
committed
d635295
ncu flag change (#45)

Connie120
authored and
JRPan
committed
317c28e
enable weekly on h100-test
JRPan
committed
fda7a84
format codes
JRPan
committed
6e0a32e

Commits on Jan 24, 2026

Add TMA tracing support

William-An
authored and
JRPan
committed
1cd74f3
Vllm update (#485)

LAhmos
authored and
JRPan
committed
6ae39ba
apply format
JRPan
committed
7ae84f5
add register value parsing

William-An
authored and
JRPan
committed
6220902
add support for tracing uniform register

William-An
authored and
JRPan
committed
3f785f7
add fence async proxy and mbarrier support

William-An
authored and
JRPan
committed
8ca863e
add tma mbar addr

William-An
authored and
JRPan
committed
b5c2c11
collect arrive count

William-An
authored and
JRPan
committed
01e6fc0
let tool read zero register to avoid potential issue

William-An
authored and
JRPan
committed
ea98309
fix deadlock and add trace debug message for mbarrier

William-An
authored and
JRPan
committed
8bcb880
fix a bug in tracer tool

William-An
authored and
JRPan
committed
50647b5
add more tma app config

William-An
authored and
JRPan
committed
f0cff09
fix a bug with UBLK op setup and reduce the iter count for tma ubench

William-An
authored and
JRPan
committed
7e61f89
update tma app path and revert the iter change

William-An
authored and
JRPan
committed
47cd5c7
fix execution mask off issue

William-An
authored and
JRPan
committed
f483eb4
handle additional variants of mbarrier arrive

William-An
authored and
JRPan
committed
a318b7a
add run dir for monitoring run

William-An
authored and
JRPan
committed
26cdc7f
Fix a bug causing parsing regular register as uniform register

William-An
authored and
JRPan
committed
2290b07
set memory space for syncs op to be sharedmem

William-An
authored and
JRPan
committed
97438fb
tma: add cutlass test example

William-An
authored and
JRPan
committed
3c5733d
tma: run gemm once only

William-An
authored and
JRPan
committed
bc89672
tma: update tracer with debug prints

William-An
authored and
JRPan
committed
17b7584
tma: pass the DYNAMIC_KERNEL_RANGE env to the script

William-An
authored and
JRPan
committed
9d979b3
add additional SYNCS variants and opcodes

William-An
authored and
JRPan
committed
052e2d4
add cluster information and multicast mask

William-An
authored and
JRPan
committed
9ca85e2
add parsing support for cluster information

William-An
authored and
JRPan
committed
1453bb8
set multicast mask properly

William-An
authored and
JRPan
committed
cc67d27
fix a bug in inject tool

William-An
authored and
JRPan
committed
de96703
keep track of oob byte count

William-An
authored and
JRPan
committed
e59fda5
pass oob count to the warp_inst_t

William-An
authored and
JRPan
committed
d3a60a0
add support for TMA bulk group

William-An
authored and
JRPan
committed
e573065
add support for LDGSTS mbarrier based completion

William-An
authored and
JRPan
committed
df74dcf
fix a bug in post-processing script

William-An
authored and
JRPan
committed
2581b4c
fix a bug in tracer on kernel filtering

William-An
authored and
JRPan
committed
bfc7ed1
update cultass TMA benchmark

William-An
authored and
JRPan
committed
fcdaf7f
Reduce apps

William-An
authored and
JRPan
committed
6c5ca1f
fix a bug in tracer

William-An
authored and
JRPan
committed
861e964
Fix an issue causing assertion error

William-An
authored and
JRPan
committed
4dce620
add support for specifying additional ncu flags

William-An
authored and
JRPan
committed
6040b14
let set ncu to also use the flags

William-An
authored and
JRPan
committed
1c7b5ed
fix a bug with parsing TMA address with no in-bound addresses

William-An
authored and
JRPan
committed
3fe7f9f
Add GMMA modeling

William-An
authored and
JRPan
committed
618c2ef
add gmma commit group support

William-An
authored and
JRPan
committed
770952e
add additional build dir to ignore list

William-An
authored and
JRPan
committed
b100dbb
Implement warpgroup.depbar, also double GMMA latency and halve their throughput to account for underestimating MMA warp duration

William-An
authored and
JRPan
committed
bf40bd5
Fix gmma initiation interval misconfiguration

William-An
authored and
JRPan
committed
ae04ca6
Fix a bug in tracer tool that parse TMA even if the instruction is predicated off

William-An
authored and
JRPan
committed
501c45c
add tracer runtime enable control

William-An
authored and
JRPan
committed
3530a29
Correctly implement inst_trace_t copy()

William-An
authored and
JRPan
committed
de0cef3
format code

William-An
authored and
JRPan
committed
b4ea490
add missing function for tracer in public nvbit

William-An
authored and
JRPan
committed
78e7676
address PR comments

William-An
authored and
JRPan
committed
9a7bca0
remove duplicated base_delta_compress_tma from rebase
JRPan
committed
17d0bd3
Remove custom CUTLASS kernels

William-An
authored and
JRPan
committed
26e0545
Enable nvbit by default with run_hw_trace

William-An
authored and
JRPan
committed
b2aa806
On no kernel list file, write to stderr so it can be marked as failed

William-An
authored and
JRPan
committed
947ffee
enable instrumentation by default

William-An
authored and
JRPan
committed
4617a28
make gmma commit group depends on gmma opcode

William-An
authored and
JRPan
committed
d9d848a
format tracer code

William-An
authored and
JRPan
committed
2ce1f24

Commits on Jan 25, 2026

Add CUPTI PM sampling tools (#57)

JRPan
and
claude
authored
65244c4
Add Hopper workflows and QV100/A100 support (#59)
JRPan
authored
168484b

Commits on Jan 27, 2026

Skip traces folders when walking hardware directory (#60)

JRPan
and
claude
authored
25687fc
Print kernel names to a file for cupti (#63)

Connie120
and
Ni Kang
authored
8aa00c5

Commits on Feb 2, 2026

Fix tma tracing when instruction is predicate off (#65)

authored
78ef36c

Commits on Feb 3, 2026

print counters
JRPan
committed
4e9e993
close the gz counter file at the end
JRPan
committed
27f6d95
add plot generation script
JRPan
committed
ad71857

Commits on Feb 4, 2026

add normalize option to the plots
JRPan
committed
494b773

Commits on Feb 5, 2026

Set TMA instruction based on opcode with public NVBit (#70)
William-An
authored
3b9b9d4

Commits on Feb 10, 2026

Commits on Feb 11, 2026

Barrier fix (#77)

authored
3e79989

Commits on Feb 13, 2026

Commits on Feb 18, 2026

Add ARRIVES.LDGSTSBAR.64.ARVCNT support in trace parser (#80)

authored
f56ba0a

Commits on Feb 19, 2026

Bar fix No.2 (#82)

authored
1c450ae

Commits on Feb 23, 2026

PyTorch NVBit tracer hook and PM sampling improvements (#92)

JRPan
and
claude
authored
b9da7ee

Commits on Feb 24, 2026

Merge remote-tracking branch 'public/dev' into h100-test
William-An
committed
b4dd5bb

Commits on Mar 5, 2026

Add IPOLY_modulo hashing knob (#98)
William-An
authored
a0575d5

Commits on Mar 7, 2026

CI improvements: forbidden file checks and hopper-weekly options (#102)

JRPan
and
claude
authored
826d0fd
Add Claude Code rules for project documentation (#103)

JRPan
and
claude
authored
ae93dc4
Multithread post-traces-processing with -j flag (#93)

JRPan
and
claude
authored
7e1bdc7

Commits on Mar 8, 2026

Enable both replay-mode and cache-control for ncu profiling (#105)

JRPan
and
claude
authored
88ca971

Commits on Mar 11, 2026

Commits on Mar 21, 2026

Add replay region support and CI improvements (#107)

JRPan
and
claude
authored
342cc02

Commits on Mar 25, 2026

Add debug symbols for profiling and merge chiplet stats (#108)

JRPan
and
claude
authored
1ec7713

Commits on Mar 29, 2026

Add support for name and kernel-name-filter keys in application yaml file (#114)
William-An
authored
7ecfa17

Commits on Apr 8, 2026

Add --per-kernel flag to run_simulations.py for parallel kernel execu… (#115)

JRPan
and
claude
authored
0b5b590

Commits on Apr 9, 2026

Fix CI build using wrong config due to inherited positional args (#112)

JRPan
and
claude
authored
e974aca

Commits on Apr 10, 2026

Upgrade NVBit tracer to public v1.8 (#117)

JRPan
and
claude
authored
ebf1186

Commits on Apr 22, 2026

Add AI-assisted PR review, nudge, and issue triage workflows (#120)

JRPan
and
claude
authored
be192b0

Commits on Apr 23, 2026

Commits on Apr 24, 2026

Enhance issue triage skill documentation for clarity and detail
JRPan
committed
0ca831a
Fix TMA instructions inheriting prior instruction's registers (#119)

William-An
and
JRPan
authored
e83e5f9

Commits on Apr 27, 2026

Add per-warp zstd compressed trace format (.tracez) (#118)

authored
e1c2b67

Commits on Apr 28, 2026

Comment out myocyte-rodinia-3.1 configuration in define-all-apps.yml
JRPan
committed
148dbe5

Commits on Apr 29, 2026

Reduce trace memory pressure (#111)

authored
2925ac2
Remove scan_warp_metadata helper (#126)

JRPan
and
claude
authored
b35523e

Commits on May 8, 2026

Anchor L2 bandwidth regexes in plot-perf-counters (#131)
William-An
authored
8a6539a

Commits on May 12, 2026

SYNCS.EXCH.64 64-bit src2 plumbing and GMMA fixes (#129)

JRPan
and
claude
authored
0cee02c

Commits on Jun 5, 2026

Re-instrument when CUfunction or PC address differs (fix cuFFT LTO missed instrumentation) (#134)

William-An
and
claude
authored
0223e0e

Commits on Jun 22, 2026

pr-ai-review: use shared AALP pr-review plugin (single-agent + stdout extraction) (#136)

JRPan
and
claude
authored
6a44245

Commits on Jun 23, 2026

Fix flaky tracer sync and archive A100/V100 correlation plots in Hopper Weekly (#137)

JRPan
and
claude
authored
94f8725

Commits on Jul 11, 2026

Promote spinlock detection to whole basic blocks (fixes #127) (#128)

William-An
and
claude
authored
e9bbcac

Commits on Jul 14, 2026

Add -m metric group selection to cupti.sh (#132)

yechen3
and
claude
authored
ee0dce3

Commits on Aug 25, 2026

Accel-Sim 2.0 release docs: README rewrite and citation metadata (#145)

JRPan
and
claude
authored
20452b0
Restore the pull_request trigger on the CI workflow

JRPan
and
claude
committed
6446fc6