update `nvexec::_strm::operation_state_t` to store less when inner sender is a `stream_sender`

Assessment

This issue has not been assessed yet.

Description

        queue::host_ptr<variant_t> storage_;
        task_t *task_{};
        ::cuda::std::atomic_flag started_;

Contributor guide

No contributing guide indexed for this repository

First steps

1. Read the whole issue, then the project's contributing guide.
2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
3. Fork the repository and make your change on a branch.
4. Open a pull request that references the issue number.

More from NVIDIA/stdexec

• static_thread_pool hangs when the batch is smaller than the pool size. Open

  Difficulty 2/5 1-3 hours Newbie friendliness 68/100

  NVIDIA/stdexec#1751 · 2 comments · Opened Jan 11, 2026

• GCC 16 build fails due to -Wsfinae-incomplete in start_detached test Open

  Difficulty 3/5 1-2 days Newbie friendliness 68/100

  NVIDIA/stdexec#2278 · Opened Sep 20, 2026

• [exec] on/continues_on hits __not_a_scheduler diagnostics under the debug environment when STDEXEC_ENABLE_EXTRA_TYPE_CHECKING=ON Open

  Difficulty 4/5 3-5 days Newbie friendliness 45/100

  NVIDIA/stdexec#2274 · Opened Sep 19, 2026

• [sequence_senders] item_types_of_t probes sequence item senders with the regular __debug_sender when STDEXEC_ENABLE_EXTRA_TYPE_CHECKING=ON Open

  Difficulty 4/5 3-5 days Newbie friendliness 66/100

  NVIDIA/stdexec#2273 · Opened Sep 19, 2026

• [async_scope] __future_opstate touches incomplete __future_state members when STDEXEC_ENABLE_EXTRA_TYPE_CHECKING=ON Open

  Difficulty 3/5 1-2 days Newbie friendliness 74/100

  NVIDIA/stdexec#2272 · Opened Sep 19, 2026

All issues in NVIDIA/stdexec

Similar issues

• [Bug] NULL pointer dereference in llm_running_callback (NGZA-AX-LLM #3) Open

  Difficulty 1/5 Under an hour Newbie friendliness 90/100

  AXERA-TECH/ax-llm#77 · Opened Sep 22, 2026

• resume() sends a second HTTP response (400) after a successful resume Open

  Difficulty 1/5 Under an hour Newbie friendliness 90/100

  games-on-whales/wolf#509 · Opened Sep 21, 2026

• pn7160: reader goes permanently deaf — post-read IRQ-low check fails reads that succeeded Open

  Difficulty 2/5 1-3 hours Newbie friendliness 74/100

  esphome/esphome#19452 · Opened Sep 21, 2026

• Eval bug: Ministral-3 tool-calls during reasoning are not processed Open
  bug-unconfirmed

  Difficulty 2/5 1-3 hours Newbie friendliness 76/100

  ggml-org/llama.cpp#29248 · Opened Sep 21, 2026

• run_tests.py fails on windows, but running tests individually works Open

  Difficulty 2/5 1-3 hours Newbie friendliness 74/100

  NVIDIA/cuda-samples#453 · Opened Sep 21, 2026

More C++ issues