TransferBench v1.71.00 by AtlantaPepsi · Pull Request #359 · ROCm/TransferBench

AtlantaPepsi · 2026-09-23T15:27:20Z

Motivation

NIC executor check against max message size
fixing logical CU ID report
inclusion of gfx1250-strict target
Pingpong latency testing integration and presets

Technical Details

Test Plan

Validate HSA_DISABLE_GFX12_STRICT=0 ./TransferBench output of gfx1250-strict target
On gfx1250, gfx942 and gfx950 compare SHOW_ITERATIONS output CU ID against CU_MASK bits
Latency Testing
- p2p_latency preset: in/cross-domain, and AMD and Nvidia platform
- Concurrent transfers + pingpongs run, single/multistream
- validation of all memory types support

Test Result

p2p_latency example output

[Latency Related]
GPU_MEM_TYPE         =            0 : Using default GPU memory for flags (0=default, 1=fine-grained, 2=uncached, 3=managed)
NUM_GPU_DEVICES      =            8 : Using 8 GPUs
NUM_LAPS             =         1000 : Timing 1000 round trips per iteration
USE_REMOTE_READ      =            0 : Executors write to their partner's memory and poll their own

Pingpong round-trip latency per lap (us), each pair run by itself
[1000 laps] [default GPU memory flags] [remote write / local poll]
 PING\PONG     GPU 00     GPU 01     GPU 02     GPU 03     GPU 04     GPU 05     GPU 06     GPU 07
    GPU 00      0.550      1.973      4.093      4.504      4.155      4.501      4.092      4.504
    GPU 01      1.956      0.585      4.502      4.930      4.507      4.860      4.505      4.925
    GPU 02      4.079      4.501      0.548      1.993      4.095      4.503      4.067      4.503
    GPU 03      4.501      4.919      1.995      0.592      4.503      4.873      4.502      5.010
    GPU 04      4.111      4.501      4.050      4.501      0.578      1.973      4.111      4.501
    GPU 05      4.501      4.901      4.501      4.837      1.993      0.581      4.503      4.818
    GPU 06      4.060      4.501      4.034      4.500      4.088      4.501      0.562      1.954
    GPU 07      4.502      4.957      4.502      4.873      4.511      4.841      1.956      0.575

Concurrent transfer + pingpong hybrid run example output

./TransferBench cmdline 16M "6 16 (G0->G1->G1) (G1->G2->G2) (G2->G3->G3) (G3->G0->G0
) (N G0 G1 +1000 N G1 G0) (C0 G0 G1 +50 C0 G1 G0)"

Test 1:
-------------------┬--------------┬------------┬-------------------┬---------------------------
  Executor: GPU 00 │ 302.684 GB/s │   0.055 ms │    16777216 bytes │ 332.617 GB/s (sum)
-------------------┼--------------┼------------┼-------------------┼---------------------------
     Transfer 3    │ 332.617 GB/s │   0.050 ms │    16777216 bytes │ G3 -> G0:16 -> G0
     PingPong 4    │     1.046 us │   1.046 ms │         1000 laps │ N->G0->G1 <+> N->G1->G0
     PingPong 5    │     1.544 us │   0.077 ms │           50 laps │ C0->G0->G1 <+> C0->G1->G0
-------------------┼--------------┼------------┼-------------------┼---------------------------
  Executor: GPU 01 │ 331.512 GB/s │   0.051 ms │    16777216 bytes │ 355.359 GB/s (sum)
-------------------┼--------------┼------------┼-------------------┼---------------------------
     Transfer 0    │ 355.359 GB/s │   0.047 ms │    16777216 bytes │ G0 -> G1:16 -> G1
-------------------┼--------------┼------------┼-------------------┼---------------------------
  Executor: GPU 02 │ 345.778 GB/s │   0.049 ms │    16777216 bytes │ 350.870 GB/s (sum)
-------------------┼--------------┼------------┼-------------------┼---------------------------
     Transfer 1    │ 350.870 GB/s │   0.048 ms │    16777216 bytes │ G1 -> G2:16 -> G2
-------------------┼--------------┼------------┼-------------------┼---------------------------
  Executor: GPU 03 │ 358.855 GB/s │   0.047 ms │    16777216 bytes │ 364.532 GB/s (sum)
-------------------┼--------------┼------------┼-------------------┼---------------------------
     Transfer 2    │ 364.532 GB/s │   0.046 ms │    16777216 bytes │ G2 -> G3:16 -> G3
-------------------┼--------------┼------------┼-------------------┼---------------------------
   Aggregate (CPU) │  58.392 GB/s │   1.149 ms │    67108864 bytes │ Overhead 1.094 ms
-------------------┴--------------┴------------┴-------------------┴---------------------------

Submission Checklist

Look over the contributing guidelines at https://github.com/ROCm/TheRock/blob/main/GOVERNANCE.md#pull-requests.

Copilot

Copilot review overview

🟡 Changes recommended

Unresolved critical and moderate correctness, portability, parsing, and build-target issues remain.

Get a fresh assessment by requesting another Copilot review.

Review effort: Lite
Findings: 4 · 4

Open (8)

Restrict GetXccId CDNA5 instruction to CDNA5 targets · New
Include pong subindex when enabling GFX subindices · New
Emit advanced transfer fields before the pong token · New
Align TDM device guard with supported architectures · New
Avoid indexing stale or empty transfer results after failure · New
Validate NIC message size for the selected port · New
Fix pingpong timing scaling by subiterations · New
Reject multi-device pingpong memory halves · New

What changed in this PR

Adds pingpong latency testing, NIC message-size validation, logical CU reporting fixes, and gfx1250-strict support.

Changes:

Adds pingpong parsing, execution, timing, and latency presets.
Adds NIC max_msg_sz validation and reporting.
Updates GPU architecture and TDM handling.

File	Review summary
`src/header/TransferBench.hpp`	Critical and moderate issues in XCC handling, pingpong validation, NIC limits, subindex selection, dump parsing, and timing scaling.
`src/header/tdmCopy.h`	Critical architecture guard mismatch enables unsupported TDM targets.
`src/client/Utilities.hpp`	Reviewed result and topology utilities.
`src/client/Topology.hpp`	Reviewed NIC message-size reporting.
`src/client/Presets/Presets.hpp`	Reviewed latency preset registration.
`src/client/Presets/Latency.hpp`	Moderate issues with failed-run result handling and diagonal pair measurement.
`src/client/EnvVars.hpp`	Reviewed pingpong configuration variables.
`src/client/Client.cpp`	Reviewed pingpong transfer display updates.
`docs/install/build_from_source.rst`	Reviewed strict GPU target documentation.
`CMakeLists.txt`	Moderate issue: package build targets omit `gfx1250-strict`.

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+        exeInfo.totalSubExecs += t.numSubExecs;
+      } else {
+        exeInfo.totalPingpong ++;
+      }
      exeInfo.useSubIndices |= (t.exeSubIndex != -1 || (t.exeDevice.exeType == EXE_GPU_GFX && !cfg.gfx.prefXccTable.empty()));


Copilot

Copilot review overview

🟡 Changes recommended

Unresolved correctness issues remain in ping-pong execution, validation, parsing, and target gating.

Get a fresh assessment by requesting another Copilot review.

Review effort: Lite
Findings: 5 · 4

Open (9)

Run unpinned pingpong parameters on only one XCC · New
Align TDM device guard with supported architectures
Emit advanced transfer fields before the pong token
Include pong subindex when enabling GFX subindices
Restrict GetXccId CDNA5 instruction to CDNA5 targets
Reject multi-device pingpong memory halves
Fix pingpong timing scaling by subiterations
Validate NIC message size for the selected port
Avoid indexing stale or empty transfer results after failure

Copilot

Copilot review overview

🟡 Changes recommended

Unresolved critical and moderate issues remain in pingpong execution, validation, result handling, and architecture gating.

Get a fresh assessment by requesting another Copilot review.

Review effort: Lite
Findings: 7 · 5

Open (12)

Reject pingpong subindices below -1 · New
Prevent persistent pingpong dependency cycles from hanging · New
Run unpinned pingpong parameters on only one XCC
Align TDM device guard with supported architectures
Emit advanced transfer fields before the pong token
Include pong subindex when enabling GFX subindices
Restrict GetXccId CDNA5 instruction to CDNA5 targets
Allow default numSubExecs for pingpong transfers · New
Reject multi-device pingpong memory halves
Fix pingpong timing scaling by subiterations
Validate NIC message size for the selected port
Avoid indexing stale or empty transfer results after failure

+#else
+            useSubIndexCount[exe]++;
+            int numSubIndices = GetNumExecutorSubIndices(exe);
+            if (subIndex >= numSubIndices) {


+    dim3 const gridSize(xccDim, numPingpong, 1);
+    dim3 const blockSize(1);


      if (t.numSubExecs <= 0)
        errors.push_back({ERR_FATAL, "Transfer %d: # of subexecutors must be positive", i});
-      else
+      else if (isPingpong) {
+        if (t.numSubExecs != 1)
+          errors.push_back({ERR_WARN,


Copilot

Copilot review overview

🟡 Changes recommended

Unresolved correctness issues affect ping-pong execution, target guards, NIC validation, and package builds.

Review effort: Lite
Findings: 7 · 4

Open (11)

Guard peer access setup to the executor's local MPI rank · New
Prevent persistent pingpong dependency cycles from hanging
Reject pingpong subindices below -1
Run unpinned pingpong parameters on only one XCC
Align TDM device guard with supported architectures
Include pong subindex when enabling GFX subindices
Restrict GetXccId CDNA5 instruction to CDNA5 targets
Propagate RunTransfers failures from latency presets · New
Allow default numSubExecs for pingpong transfers
Reject multi-device pingpong memory halves
Validate NIC message size for the selected port

Resolved since last review (3)

Emit advanced transfer fields before the pong token
Fix pingpong timing scaling by subiterations
Avoid indexing stale or empty transfer results after failure

+          } else if (partnerMem.memIndex != exeDevice.exeIndex) {
+            if (System::Get().IsVerbose()) {
+              System::Get().Log("[INFO]   Enabling pingpong peer access: GPU %d -> GPU %d\n",
+                                exeDevice.exeIndex, partnerMem.memIndex);
+            }
+            ERR_CHECK(EnablePeerAccess(exeDevice.exeIndex, partnerMem.memIndex));


@nileshnegi

* fix (client): pre-resolve master address in LaunchTransferBench The host list was forwarded verbatim as TB_MASTER_ADDR, so an ssh_config alias that the local SSH client understands would fail getaddrinfo() on the workers, leaving rank 0 waiting on connections that never arrive. Expand the entry via ssh -G and prefer a literal IPv4, since workers resolve the master address remotely and only over AF_INET. * Potential fix for pull request finding Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> * Apply suggestion from @nileshnegi * Potential fix for pull request finding Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> --------- Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Copilot

🟡 Changes recommended

Unresolved critical and moderate issues remain in pingpong parsing and memory access, architecture guards, NIC validation, and latency failure propagation.

7 open findings

Pingpong makes the GPU kernel dereference this destination pointer as a flag, but… · New
In advanced transfer syntax, numSubExecs is never initialized because the parser only reads it in… · New
Guard peer access setup to the executor's local MPI rank
Prevent persistent pingpong dependency cycles from hanging
Reject pingpong subindices below -1
Include pong subindex when enabling GFX subindices
Allow default numSubExecs for pingpong transfers

6 resolved since last review

Run unpinned pingpong parameters on only one XCC
Align TDM device guard with supported architectures
Restrict GetXccId CDNA5 instruction to CDNA5 targets
Propagate RunTransfers failures from latency presets
Reject multi-device pingpong memory halves
Validate NIC message size for the selected port

🧠 Review effort: Lite

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+    p.srcMem[0]      = nullptr;
+    p.srcMem[1]      = nullptr;
+    p.localFlagMem   = nullptr;
+    p.flagMem        = static_cast<volatile uint8_t*>(static_cast<void*>(rss.dstMem[0]));


+        // Expand pong half
+        std::vector<Transfer> pongTransfers;
+        for (int r = 0; r < numRanks; r++) {
+          if (!RecursiveWildcardTransferExpansion(pongWct, r, numBytes, numSubExecs, pongTransfers))


Copilot

🟡 Changes recommended

Unresolved critical and moderate correctness issues remain in ping-pong synchronization, target guards, validation, and error propagation.

8 open findings

Ensure pingpong slot progression avoids parity-safe reuse · New
In advanced transfer syntax, numSubExecs is never initialized because the parser only reads it in…
Pingpong makes the GPU kernel dereference this destination pointer as a flag, but…
Guard peer access setup to the executor's local MPI rank
Prevent persistent pingpong dependency cycles from hanging
Reject pingpong subindices below -1
Include pong subindex when enabling GFX subindices
Allow default numSubExecs for pingpong transfers

🧠 Review effort: Lite

Give feedback about Copilot approvals in this survey to enter a drawing for a $150 gift card.

+      // Advance one stride, plus an extra stride every hp laps so that a slot is never
+      // revisited an even number of laps later (which would leave a stale matching value)
+      off += sx; if (off >= y) off -= y;
+      if (--hopCnt == 0) {
+        hopCnt = hp;


Copilot

🟡 Changes recommended

Unresolved critical and moderate correctness issues remain in pingpong execution, target handling, validation, and probe tooling.

10 open findings

Zero-subexecutor path performs invalid result processing · New
Ensure pingpong slot progression avoids parity-safe reuse
In advanced transfer syntax, numSubExecs is never initialized because the parser only reads it in…
Pingpong makes the GPU kernel dereference this destination pointer as a flag, but…
Guard peer access setup to the executor's local MPI rank
Prevent persistent pingpong dependency cycles from hanging
Reject pingpong subindices below -1
Include pong subindex when enabling GFX subindices
Allow default numSubExecs for pingpong transfers
Preset reference omits latency presets · New

🧠 Review effort: Lite

Give feedback about Copilot approvals in this survey to enter a drawing for a $150 gift card.

        for (int i = 0; i < exeInfo.resources.size(); i++) {
          TransferResources& rss = exeInfo.resources[i];
+          if (rss.numLaps != 0) continue;


+## Single-node bandwidth presets
+
+| Preset | Purpose |
+|---|---|
+| `a2a` | All-to-all parallel transfers between every pair of GPUs. |
+| `a2asweep` | GFX-based a2a swept across CU counts and unroll factors (`MEM_TYPE`, `NUM_SUB_EXECS`). |
+| `bmasweep` | Compares DMA vs. Batched-DMA for one-to-many copies (HIP 7.1 / CUDA 12.8+). |
+| `gfxsweep` | Sweeps GFX kernel options for one Transfer. |
+| `hbm` | Local HBM read bandwidth on each GPU. |
+| `healthcheck` | Quick correctness/perf health check (AMD MI300 series only). |
+| `one2all` | All subsets of parallel transfers from one GPU to all others. |
+| `p2p` | Peer-to-peer device-memory matrix between every GPU pair. |
+| `pcopy` | Parallel copies from a single GPU to other GPUs. |
+| `rsweep` | Random sweep through Transfer combinations. |
+| `rwrite` | Parallel remote writes from a single GPU to others. |
+| `scaling` | Scaling test: one GPU → all others, varying SEs, mem types (`CPU_MEM_TYPE`, `GPU_MEM_TYPE`). |
+| `schmoo` | Local/remote read/write/copy scaling between two GPUs. |
+| `smoketest` | Quick DMA/GFX correctness sweep. |
+| `sweep` | Ordered sweep through Transfer combinations. |
+| `wallclock` | Compares wallclock counters across XCCs within one GPU. |


Copies standardised security scanning config from ROCm/rocm-repo-template. Co-authored-by: haribabug <haribabug@users.noreply.github.com>

- docs/sphinx/requirements.txt: bump gitpython, tornado, pyjwt, urllib3, cryptography (plus cffi and typing-extensions, which it requires), soupsieve and jupyter-core past their HIGH/CRITICAL CVEs; all other pins unchanged - workflows: pin actions to commit SHAs and container images to digests - build-relocatable-packages: grant id-token: write only to the two jobs that upload to S3 instead of the whole workflow Co-authored-by: Cursor <cursoragent@cursor.com>

Copilot

🟡 Changes recommended

Unresolved security-scan allowlist gaps and functional correctness issues remain.

12 open findings

Global .lock allowlist hides credentials in lockfiles · New
Generic secret allowlist suppresses real credential detections · New
Zero-subexecutor path performs invalid result processing
Ensure pingpong slot progression avoids parity-safe reuse
In advanced transfer syntax, numSubExecs is never initialized because the parser only reads it in…
Pingpong makes the GPU kernel dereference this destination pointer as a flag, but…
Guard peer access setup to the executor's local MPI rank
Prevent persistent pingpong dependency cycles from hanging
Reject pingpong subindices below -1
Include pong subindex when enabling GFX subindices
Allow default numSubExecs for pingpong transfers
Preset reference omits latency presets

Previously missed (3)

In code that hasn't changed since last review

tee pipeline aborts on SIGPIPE when truncated with head

.claude/skills/transferbench-debug/examples/topology-probe.sh:24

With set -o pipefail, truncating the tee pipeline with head can close the pipe while the binary is still writing; tee/the binary then exits on SIGPIPE and the script aborts before completing the probe. Use a reader that consumes the full stream (for example sed -n '1,60p') or capture first and truncate afterward.

Documented presets are not registered in presetFuncMap

.claude/skills/transferbench-run/references/presets.md:25

This reference presents these rows as runnable presets, but neither pcopy nor rwrite is registered in the current presetFuncMap (src/client/Presets/Presets.hpp:68-99), so following either command fails instead of launching a benchmark. Remove them or register the corresponding presets before documenting them here.

Packaging defaults omit gfx1250 GPU targets

CMakeLists.txt:224

Adding the target only to CMake's default list does not add it to the package build path: build_packages_local.sh passes its separate DEFAULT_GPU_TARGETS list to -DGPU_TARGETS, and that list still omits both gfx1250 and gfx1250-strict. Packages built without an explicit GPU_TARGETS override therefore will not contain the target advertised by this change; update the packaging defaults or explicitly document the scope.

🧠 Review effort: Lite

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+[[allowlists]]
+# Allowlist by location only where a real first-party secret structurally
+# can't live. Dependency lock files qualify: their contents are generated
+# from a manifest, and the high-entropy strings they carry are artifact
+# digests rather than credentials. Add vendored third-party trees here as
+# callers bring them in, one explicit path per entry.
+description = "Generated dependency lock files"
+paths = [
+  '''.*\.lock$''',
+]


+  '''(?i)\bINVALID_TOKEN\s*=''',
+  '''(?i)\bwrong_secret\s*=''',
+  '''(?i)\bsecret\s*='''


Copilot

🔵 Needs a closer look

Unresolved moderate correctness, packaging, launcher, documentation, and security-configuration issues remain.

12 open findings

Generic secret allowlist suppresses real credential detections
Global .lock allowlist hides credentials in lockfiles
Zero-subexecutor path performs invalid result processing
Ensure pingpong slot progression avoids parity-safe reuse
In advanced transfer syntax, numSubExecs is never initialized because the parser only reads it in…
Pingpong makes the GPU kernel dereference this destination pointer as a flag, but…
Guard peer access setup to the executor's local MPI rank
Prevent persistent pingpong dependency cycles from hanging
Reject pingpong subindices below -1
Include pong subindex when enabling GFX subindices
Allow default numSubExecs for pingpong transfers
Preset reference omits latency presets

Previously missed (2)

In code that hasn't changed since last review

Packaging defaults omit the new GPU targets

CMakeLists.txt:224

Adding the target only to CMakeLists.txt does not add it to packaged builds: build_packages_local.sh overrides GPU_TARGETS with its own hard-coded default list, which currently omits both gfx1250 and gfx1250-strict. Update that packaging default as well, otherwise the release packages will not contain the target this change advertises.

Referenced presets are not registered

.claude/skills/transferbench-run/references/presets.md:25

These entries are not available presets in the current source: Presets.hpp registers neither pcopy nor rwrite, and no source-side dispatch for either name exists. The run-side reference therefore directs users to commands that will be rejected; remove them or document the actual registered preset names.

🧠 Review effort: Lite

Give feedback about Copilot approvals in this survey to enter a drawing for a $150 gift card.

Copilot

🟡 Changes recommended

Unresolved correctness, packaging, and documentation issues remain, including one critical validation-path issue.

21 open findings

Skip pingpong resources during validation setup · New
Generic secret allowlist suppresses real credential detections
Global .lock allowlist hides credentials in lockfiles
Zero-subexecutor path performs invalid result processing
Ensure pingpong slot progression avoids parity-safe reuse
In advanced transfer syntax, numSubExecs is never initialized because the parser only reads it in…
Pingpong makes the GPU kernel dereference this destination pointer as a flag, but…
Guard peer access setup to the executor's local MPI rank
Prevent persistent pingpong dependency cycles from hanging
Reject pingpong subindices below -1
Include pong subindex when enabling GFX subindices
Sanity check passes expression where byte size is required · New
Update packaged default GPU target architectures · New
Allow default numSubExecs for pingpong transfers
Dryrun command omits required byte-size argument · New
Cmdline example omits required byte-size argument · New
Cmdline arguments are reversed · New
Document cmdline and dryrun size arguments correctly · New
Document pingpong grammar, semantics, and GFX restriction · New
Document supported dryrun invocation syntax · New

And 1 more that still need to be addressed.

🧠 Review effort: Lite

        Transfer const& t = transfers[resource->transferIdx];
+        // Ping and Pong will start with src value of 0
+        if (t.numLaps != 0) continue;


+
+echo
+echo "=== Quick parser sanity check ==="
+"$BINARY" dryrun "1 4 (G0->G0->G1)" 2>&1 | head -10


+      gfx1250
+      gfx1250-strict)


+./TransferBench dryrun "<expression>"          # validate parsing, expand wildcards
+TB_DUMP_CFG_FILE=dump.cfg ./TransferBench p2p  # dump what a preset actually emits


+- Quoting issues on the shell side when using `cmdline` (e.g. `G*` getting glob-expanded).
+
+### Fix
+1. **Always quote** `cmdline` arguments: `./TransferBench cmdline "1 4 (G0->G0->G1)"`.


+TB_DUMP_CFG_FILE=p2p_dump.cfg ./TransferBench p2p
+
+# "Is the slowness in iter 0 only, or every iter?"
+NUM_WARMUPS=0 NUM_ITERATIONS=20 SHOW_ITERATIONS=1 ./TransferBench cmdline "1 4 (G0->G0->G1)" 256M


+  - `cmdline "<transfer expression>"` — run one ad-hoc transfer
+  - `dryrun "<transfer expression>"` — parse and print without executing


+-2 (G0->G0->G1 4 1M) (G1->G1->G0 8 2M)
+# Copies 1MiB GPU0->GPU1 with 4 CUs, in parallel with 2MiB GPU1->GPU0 with 8 CUs
+```
+


+./TransferBench dryrun "1 4 (G0->G0->G1)"
+./TransferBench dryrun my.cfg


Copilot

🟡 Changes recommended

Unresolved moderate issues affect argument examples, target guards, latency error propagation, packaging defaults, and ping-pong/NIC correctness.

23 open findings

And 3 more that still need to be addressed.

🧠 Review effort: Lite

+                  "Transfer %d: Cross-rank GPU executor (R%d%c%d) cannot access remote host memory "
+                  "(%s on rank %d is %s).  Fabric-handle sharing only supports GPU memory for 1.67; use a NIC "
+                  "executor (e.g. R%dN..) for cross-rank transfers involving host memory.",


+| `pcopy` | Parallel copies from a single GPU to other GPUs. |
+| `rsweep` | Random sweep through Transfer combinations. |
+| `rwrite` | Parallel remote writes from a single GPU to others. |


AtlantaPepsi added 8 commits September 22, 2026 09:39

ibv port maxMsgSize check

3d321ae

fixing logical CU ID report

98a43f5

gfx1250strict

bed30a5

pingpong latency test

85d92c1

adjusting output format

6f775df

relaxed atomics for pingpong kernel

93227a0

refactor GFX executor timing

6954cdd

cuda fix and cross pod fix

81865fa

Copilot AI lite review requested due to automatic review settings September 23, 2026 15:27

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Comment thread src/header/TransferBench.hpp

AtlantaPepsi changed the title ~~Candidate 1.71~~ TransferBench v1.71.00 Sep 23, 2026

Latency Presets

e5166b6

Copilot AI review requested due to automatic review settings September 23, 2026 21:06

AtlantaPepsi force-pushed the candidate-1.71 branch from e37e7de to 07e9f67 Compare September 23, 2026 21:06

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AtlantaPepsi added 3 commits September 24, 2026 20:20

xcc subindices reporting + advanced mode fix

f75f9c1

fix pingpong timing wrt subiterations

352cd1d

addition of latency ring; skip failing latency tests

60c7d5c

Copilot AI review requested due to automatic review settings September 28, 2026 15:27

AtlantaPepsi force-pushed the candidate-1.71 branch from 07e9f67 to 91f99bd Compare September 28, 2026 15:27

Copilot started reviewing on behalf of AtlantaPepsi September 28, 2026 15:27 View session

Copilot AI reviewed Sep 28, 2026

View reviewed changes

first lap handshake + xccPrefTable fix

412c144

fixing executor and aggregate time wrt subiteration

5ec784d

Copilot AI lite review requested due to automatic review settings October 8, 2026 13:47

AtlantaPepsi force-pushed the candidate-1.71 branch from 91f99bd to 5ec784d Compare October 8, 2026 13:47

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