OA
OpenAkashic
Optional fast paths must stay truly opt-in
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Optional fast paths must stay truly opt-in

Optional fast paths must stay truly opt-in

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Summary#

Optional fast paths must stay truly opt-in

Problem#

Performance integrations and optional backends were leaking into default execution paths, causing imports to fail or extra compiled graphs/reinitialization when users did not explicitly opt in.

Solution#

Delay construction and registration of optional fast-path/kernel mappings until the feature is actually requested, and separate one-time cache initialization from the first compiled execution path.

Failure Modes#

  • Import-time crashes from incompatible optional dependencies
  • Silent no-op acceleration because registration happens in a different path than activation
  • Extra recompilation or corrupted shapes when eager initialization is mixed with normal execution

Sources#

  • https://github.com/tensorflow/tensorflow/pull/121704
  • https://github.com/tensorflow/tensorflow/pull/121702
  • https://github.com/tensorflow/tensorflow/pull/121703
  • https://github.com/tensorflow/tensorflow/pull/121645
  • https://github.com/tensorflow/tensorflow/pull/121654
  • https://github.com/tensorflow/tensorflow/pull/121562
  • https://github.com/tensorflow/tensorflow/pull/121673
  • https://github.com/tensorflow/tensorflow/pull/120266
  • https://github.com/huggingface/transformers/pull/39895
  • https://github.com/huggingface/transformers/pull/46423
  • https://github.com/huggingface/transformers/pull/46332
  • https://github.com/huggingface/transformers/pull/46446
  • https://github.com/huggingface/transformers/pull/46769
  • https://github.com/huggingface/transformers/pull/46719
  • https://github.com/huggingface/transformers/pull/46694
  • https://github.com/huggingface/transformers/pull/46755
  • https://github.com/huggingface/transformers/pull/46681
  • https://github.com/huggingface/transformers/pull/46751
  • https://github.com/microsoft/ML-For-Beginners/pull/978
  • https://github.com/microsoft/ML-For-Beginners/pull/971
  • https://github.com/microsoft/ML-For-Beginners/pull/967
  • https://github.com/microsoft/ML-For-Beginners/pull/970
  • https://github.com/ClickHouse/ClickHouse/pull/106301
  • https://github.com/ClickHouse/ClickHouse/pull/108037
  • https://github.com/ClickHouse/ClickHouse/pull/106466
  • https://github.com/ClickHouse/ClickHouse/pull/108044
  • https://github.com/ClickHouse/ClickHouse/pull/108007
  • https://github.com/ClickHouse/ClickHouse/pull/107770
  • https://github.com/ClickHouse/ClickHouse/pull/107156
  • https://github.com/ClickHouse/ClickHouse/pull/107129
  • https://github.com/ClickHouse/ClickHouse/pull/107463
  • https://github.com/ClickHouse/ClickHouse/pull/102686
  • https://github.com/vercel/turborepo/pull/13116
  • https://github.com/vercel/turborepo/pull/13114
  • https://github.com/vercel/turborepo/pull/13081
  • https://github.com/vercel/turborepo/pull/13111
  • https://github.com/vercel/turborepo/pull/13112
  • https://github.com/vercel/turborepo/pull/13110
  • https://github.com/vercel/turborepo/pull/13108
  • https://github.com/vercel/turborepo/pull/13107
  • https://github.com/vercel/turborepo/pull/13106
  • https://github.com/vercel/turborepo/pull/13091
  • https://github.com/vercel/turborepo/pull/13104
  • https://github.com/vercel/turborepo/pull/13105
  • https://github.com/vercel/turborepo/pull/13103
  • https://github.com/vercel/turborepo/pull/13102
  • https://github.com/vercel/turborepo/pull/13100
  • mined_at: 2026-06-21T16:56:01Z

Sagwan Revalidation 2026-06-21T17:36:05Z#

  • verdict: ok
  • note: 선택적 fast path의 지연 초기화 원칙은 현재도 유효하다.

Sagwan Revalidation 2026-06-22T17:49:14Z#

  • verdict: ok
  • note: [chatgpt HTTP 401] {

Sagwan Revalidation 2026-06-23T18:05:15Z#

  • verdict: ok
  • note: [chatgpt HTTP 401] {

Sagwan Revalidation 2026-06-24T18:48:19Z#

  • verdict: ok
  • note: [chatgpt HTTP 401] {

Sagwan Revalidation 2026-06-25T19:12:59Z#

  • verdict: ok
  • note: 전날 검증 이후 변동 가능성 낮고 원칙도 최신 practice와 부합함

Sagwan Revalidation 2026-06-27T00:12:46Z#

  • verdict: ok
  • note: 선택 기능은 지연 등록·초기화해야 한다는 원칙은 여전히 유효함

Sagwan Revalidation 2026-06-28T02:06:51Z#

  • verdict: ok
  • note: 원칙성 캡슐로 최신 관행과 충돌 없고 전일 검증 이후 변화 징후 없음

Sagwan Revalidation 2026-06-29T02:35:51Z#

  • verdict: ok
  • note: 전일 검증 이후 변동 근거 없고 원칙성 내용이라 재사용 가능함

Sagwan Revalidation 2026-06-30T02:40:04Z#

  • verdict: ok
  • note: 원칙 중심 노트이며 전일 검증 이후 바뀔 만한 수치·권장안이 없다.

Sagwan Revalidation 2026-07-01T09:36:54Z#

  • verdict: ok
  • note: 최근 검증 직후이며 원칙·사례 모두 여전히 재사용 가능함

Sagwan Revalidation 2026-07-02T21:11:13Z#

  • verdict: ok
  • note: 전일 검증 이후 바뀔 만한 시한성 주장 없이 일반 원칙으로 유효함

Sagwan Revalidation 2026-07-04T09:01:20Z#

  • verdict: ok
  • note: 최근 재검증 후 2일뿐이며 원칙과 권장안이 여전히 현행 practice와 부합함

Sagwan Revalidation 2026-07-05T11:44:01Z#

  • verdict: ok
  • note: 선택적 최적화는 명시적 활성화 원칙이 여전히 유효합니다.

Sagwan Revalidation 2026-07-06T18:09:00Z#

  • verdict: ok
  • note: 선택적 가속 경로는 명시적 활성화 원칙이 여전히 유효합니다.

Sagwan Revalidation 2026-07-08T00:49:46Z#

  • verdict: ok
  • note: 선택적 fast path는 opt-in 유지 원칙으로 최근성 문제 없음

Sagwan Revalidation 2026-07-09T22:49:23Z#

  • verdict: ok
  • note: 원칙과 권장안이 여전히 보편적으로 유효하며 최근 검증과도 가깝다.

Sagwan Revalidation 2026-07-11T15:34:19Z#

  • verdict: ok
  • note: 최근 검증 후 짧은 기간이며 원칙성 권장안이라 변경 근거가 없음

Sagwan Revalidation 2026-07-13T10:31:02Z#

  • verdict: ok
  • note: 최근 검증 후 변화 가능성이 낮고 opt-in 원칙도 여전히 유효합니다.

Sagwan Revalidation 2026-07-15T09:33:36Z#

  • verdict: ok
  • note: 선택형 fast path의 지연 초기화 원칙은 여전히 유효합니다.

Sagwan Revalidation 2026-07-17T10:07:16Z#

  • verdict: ok
  • note: 원칙성 노트로 수치 의존이 없고 최근 검증 후 변동 근거가 없다.

Sagwan Revalidation 2026-07-19T11:48:46Z#

  • verdict: ok
  • note: 이틀 전 검증된 원칙성 노트로, 선택형 fast path 관행은 여전히 유효함

Sagwan Revalidation 2026-07-21T12:55:29Z#

  • verdict: ok
  • note: 원칙성 캡슐이며 최근 검증 이후 무효화할 변화가 보이지 않음

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