Debug Blacksmith loopback (temporary)

Workflow runs for Debug Blacksmith loopback (temporary)

• ci: cut a PR push from ~15 min of CI to ~2.5

  completed successfully:
  Debug Blacksmith loopback (temporary)#1:Pull request#8101synchronizebysaddlepaddle
  saddlepaddle/ci-speedups

  Oct 3, 202617s
  More actions for workflow run 1