[ONNX] Export split with list of sizes

[neginraoof]

Exporting Split with a dynamic list of split_sizes is not supported.
This PR enables export using onnx SplitToSequence + SequenceAt

[dr-ci]

💊 CircleCI build failures summary and remediations

As of commit 6f8ba4f:

• 1/4 broken upstream at merge base c917a24 since Feb 10

  Please rebase on the viable/strict branch (expand for instructions)

  Since your merge base is older than viable/strict, run these commands:

  git fetch origin viable/strict
  git rebase viable/strict
  

  Check out the recency history of this "viable master" tracking branch.

• 1/4 failures introduced in this PR

• 2/4 recognized as flaky ❄️

  • Re-run these jobs?

Detailed failure analysis

One may explore the probable reasons each build failed interactively on the Dr. CI website.

🕵️ 1 new failure recognized by patterns

The following build failures do not appear to be due to upstream breakage:

pytorch_xla_linux_xenial_py3_6_clang7_build (1/1)

Step: "Build" (full log | pattern match details)

Feb 13 22:15:19 caused by: Connection refused (os error 111)

Feb 13 22:15:19 +++ eval 'extract_trap_cmd ' 
Feb 13 22:15:19 ++++ extract_trap_cmd 
Feb 13 22:15:19 ++++ printf '%s\n' '' 
Feb 13 22:15:19 +++ printf '%s\n' cleanup 
Feb 13 22:15:19 ++ trap -- ' 
Feb 13 22:15:19 cleanup' EXIT 
Feb 13 22:15:19 ++ which sccache 
Feb 13 22:15:19 ++ sccache --stop-server 
Feb 13 22:15:19 Stopping sccache server... 
Feb 13 22:15:19 error: couldn't connect to server 
Feb 13 22:15:19 caused by: Connection refused (os error 111) 
Feb 13 22:15:19 ++ true 
Feb 13 22:15:19 ++ rm /var/lib/jenkins/sccache_error.log 
Feb 13 22:15:19 rm: cannot remove '/var/lib/jenkins/sccache_error.log': No such file or directory 
Feb 13 22:15:19 ++ true 
Feb 13 22:15:19 ++ SCCACHE_ERROR_LOG=/var/lib/jenkins/sccache_error.log 
Feb 13 22:15:19 ++ SCCACHE_IDLE_TIMEOUT=1200 
Feb 13 22:15:19 ++ RUST_LOG=sccache::server=error 
Feb 13 22:15:19 ++ sccache --start-server 
Feb 13 22:15:19 Starting sccache server... 
Feb 13 22:15:19 ++ sccache --zero-stats 

❄️ 2 failures recognized as flaky

The following build failures have been detected as flaky and may not be your fault:

binary_linux_libtorch_2_7m_cpu_devtoolset7_shared-with-deps_test (1/2)

Step: "Set Up CI Environment After attach_workspace" (full log | pattern match details) ❄️

E: Failed to fetch https://download.docker.com/linux/ubuntu/dists/xenial/stable/binary-amd64/Packages.bz2 Hash Sum mismatch

                                                              96% [39 Packages store 0 B]                             Get:53 http://archive.ubuntu.com/ubuntu xenial-updates/multiverse amd64 Packages [16.8 kB] 
                                                         96% [39 Packages store 0 B]                             Get:54 http://archive.ubuntu.com/ubuntu xenial-updates/multiverse Translation-en [8,468 B] 
                                                               96% [39 Packages store 0 B]                             Get:55 http://archive.ubuntu.com/ubuntu xenial-backports/main Sources [4,848 B] 
                                                        96% [39 Packages store 0 B]                             Get:56 http://archive.ubuntu.com/ubuntu xenial-backports/universe Sources [7,120 B] 
                                                        96% [39 Packages store 0 B]                             Get:57 http://archive.ubuntu.com/ubuntu xenial-backports/main amd64 Packages [7,280 B] 
96% [Waiting for headers] 96% [40 Translation-en store 0 B] [Waiting for headers]                                                         Get:58 http://archive.ubuntu.com/ubuntu xenial-backports/main Translation-en [4,456 B] 
 96% [40 Translation-en store 0 B] [Waiting for headers]                                                         Get:59 http://archive.ubuntu.com/ubuntu xenial-backports/universe amd64 Packages [8,064 B] 
 96% [40 Translation-en store 0 B] [Waiting for headers]                                                         Get:60 http://archive.ubuntu.com/ubuntu xenial-backports/universe Translation-en [4,328 B] 
100% [60 Translation-en store 0 B]                                4,807 kB/s 0s 100% [Working]                                                    4,807 kB/s 0s                                                                                 Fetched 28.9 MB in 6s (4,285 kB/s) 
Reading package lists... 99%  Reading package lists... Done  
E: Failed to fetch https://download.docker.com/linux/ubuntu/dists/xenial/stable/binary-amd64/Packages.bz2  Hash Sum mismatch 
E: Some index files failed to download. They have been ignored, or old ones used instead. 

pytorch_linux_xenial_cuda10_1_cudnn7_py3_nogpu_test (2/2)

Step: "Set Up CI Environment After attach_workspace" (full log | pattern match details) ❄️

E: Failed to fetch https://download.docker.com/linux/ubuntu/dists/xenial/stable/binary-amd64/Packages.bz2 Hash Sum mismatch

                                                                  96% [39 Packages store 0 B]                             Get:53 http://archive.ubuntu.com/ubuntu xenial-updates/multiverse amd64 Packages [16.8 kB] 
                                                               96% [39 Packages store 0 B]                             Get:54 http://archive.ubuntu.com/ubuntu xenial-updates/multiverse Translation-en [8,468 B] 
                                                                     96% [39 Packages store 0 B]                             Get:55 http://archive.ubuntu.com/ubuntu xenial-backports/main Sources [4,848 B] 
96% [Waiting for headers] 96% [40 Translation-en store 0 B] [Waiting for headers]                                                         Get:56 http://archive.ubuntu.com/ubuntu xenial-backports/universe Sources [7,120 B] 
                                                                    96% [40 Translation-en store 0 B]                                   Get:57 http://archive.ubuntu.com/ubuntu xenial-backports/main amd64 Packages [7,280 B] 
                                                                     96% [40 Translation-en store 0 B]                                   Get:58 http://archive.ubuntu.com/ubuntu xenial-backports/main Translation-en [4,456 B] 
                                                                           96% [40 Translation-en store 0 B]                                   Get:59 http://archive.ubuntu.com/ubuntu xenial-backports/universe amd64 Packages [8,064 B] 
                                                                     96% [40 Translation-en store 0 B]                                   Get:60 http://archive.ubuntu.com/ubuntu xenial-backports/universe Translation-en [4,328 B] 
100% [60 Translation-en store 0 B]                                4,740 kB/s 0s 100% [Working]                                                    4,740 kB/s 0s                                                                                 Fetched 28.9 MB in 6s (4,677 kB/s) 
Reading package lists... 99%  Reading package lists... Done  
E: Failed to fetch https://download.docker.com/linux/ubuntu/dists/xenial/stable/binary-amd64/Packages.bz2  Hash Sum mismatch 
E: Some index files failed to download. They have been ignored, or old ones used instead. 

🚧 1 upstream failure recognized by patterns:

These builds matched patterns, but were probably caused by upstream breakages:

• pytorch_linux_xenial_py2_7_9_test from Feb 10

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This comment has been revised 9 times.

[neginraoof]

Failure is unrelated.
cc @BowenBao @lara-hdr for review. Thanks.

[facebook-github-bot]

@houseroad has imported this pull request. If you are a Facebook employee, you can view this diff on Phabricator.

[BowenBao]

LGTM, some minor comments regarding comments.

[houseroad]

Nit: we should add ONNX IR version check.

[houseroad]

Let's land it now. But we should have a check on ONNX IR version. Old IR doesn't support sequence I think.

[facebook-github-bot]

@houseroad has imported this pull request. If you are a Facebook employee, you can view this diff on Phabricator.

[facebook-github-bot]

@houseroad merged this pull request in 9823662.