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[Relax][Bugfix] Annotate ComputePrimValue output as host function #17024

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[Relax][Bugfix] Annotate ComputePrimValue output as host function #17024

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Lunderberg
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The ComputePrimValue transform is used to compute the value of symbolic expressions that may appear within a Relax function. For example, to compute a boolean condition used for a relax::If node. These functions are used for small host-side computations, prior to launching a device kernel.

This commit updates ComputePrimValue to annotate the generated PrimFunc with tir::attr::kIsHostFunc. This annotation is required for correct behavior in tvm.dlight.ApplyDefaultSchedule, to avoid erroneous scheduling of this function for the GPU, and for tir::transform::BindTarget, to ensure that the function is compiled for execution on the host.

@Lunderberg @csullivan
[Relax][Bugfix] Annotate ComputePrimValue output as host function
2d3300c 
The `ComputePrimValue` transform is used to compute the value of
symbolic expressions that may appear within a Relax function.  For
example, to compute a boolean condition used for a `relax::If` node.
These functions are used for small host-side computations, prior to
launching a device kernel.

This commit updates `ComputePrimValue` to annotate the generated
`PrimFunc` with `tir::attr::kIsHostFunc`.  This annotation is required
for correct behavior in `tvm.dlight.ApplyDefaultSchedule`, to avoid
erroneous scheduling of this function for the GPU, and for
`tir::transform::BindTarget`, to ensure that the function is compiled
for execution on the host.

Co-authored-by: Chris Sullivan <csullivan@octo.ai>
@tqchen
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tqchen commented May 26, 2024

@tvm-bot rerun

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Failed to re-run CI in https://github.com/apache/tvm/actions/runs/9245501195

Traceback (most recent call last):
  File "ci/scripts/github/github_tvmbot.py", line 595, in comment_failure
    raise item
  File "ci/scripts/github/github_tvmbot.py", line 701, in run
    pr.rerun_jenkins_ci()
  File "ci/scripts/github/github_tvmbot.py", line 554, in rerun_jenkins_ci
    post(url, auth=("tvm-bot", TVM_BOT_JENKINS_TOKEN))
  File "/home/runner/work/tvm/tvm/ci/scripts/jenkins/git_utils.py", line 53, in post
    with request.urlopen(req, data) as response:
  File "/usr/lib/python3.8/urllib/request.py", line 222, in urlopen
    return opener.open(url, data, timeout)
  File "/usr/lib/python3.8/urllib/request.py", line 531, in open
    response = meth(req, response)
  File "/usr/lib/python3.8/urllib/request.py", line 640, in http_response
    response = self.parent.error(
  File "/usr/lib/python3.8/urllib/request.py", line 569, in error
    return self._call_chain(*args)
  File "/usr/lib/python3.8/urllib/request.py", line 502, in _call_chain
    result = func(*args)
  File "/usr/lib/python3.8/urllib/request.py", line 649, in http_error_default
    raise HTTPError(req.full_url, code, msg, hdrs, fp)
urllib.error.HTTPError: HTTP Error 404: Not Found

with response

<html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=ISO-8859-1"/>
<title>Error 404 Not Found</title>
</head>
<body><h2>HTTP ERROR 404 Not Found</h2>
<table>
<tr><th>URI:</th><td>/job/tvm-arm/job/PR-17024/buildWithParameters</td></tr>
<tr><th>STATUS:</th><td>404</td></tr>
<tr><th>MESSAGE:</th><td>Not Found</td></tr>
<tr><th>SERVLET:</th><td>Stapler</td></tr>
</table>
<hr/><a href="https://eclipse.org/jetty">Powered by Jetty:// 10.0.11</a><hr/>

</body>
</html>

@tqchen
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tqchen commented May 26, 2024

due to recent ci restart, likely we need to close and re create another pr for the ci to get retriggerd

@Lunderberg
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Thank you for looking into the CI failures, and I'll resubmit as a new PR. Looks like #17022 and #17023 have the similar CI failure, as they were all submitted while the CI was down.

@Lunderberg Lunderberg closed this May 28, 2024
This was referenced May 28, 2024
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@Lunderberg Lunderberg deleted the relax_bugfix_annotate_compute_prim_value_as_host branch May 29, 2024 14:29
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