[SPIR-V][DOC] Add SPV_INTEL_bfloat16_arithmetic extension specification #18352
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
The extension is based on the SPV_KHR_bfloat16 extension and adds support for arithmetic and logical operations on bfloat16 types.
MrSidims
added a commit
to MrSidims/SPIRV-LLVM-Translator
that referenced
this pull request
Aug 5, 2025
The extension relaxes rules for bf16 type allowing to use it in some arithmetic operations. Spec is available here: intel/llvm#18352 Co-authered by: Michael Aziz <michael.aziz@intel.com> Signed-off-by: Sidorov, Dmitry <dmitry.sidorov@intel.com>
MrSidims
added a commit
to KhronosGroup/SPIRV-LLVM-Translator
that referenced
this pull request
Aug 11, 2025
The extension relaxes rules for bf16 type allowing to use it in some arithmetic operations. Spec is available here: intel/llvm#18352 Co-authered by: Michael Aziz <michael.aziz@intel.com> --------- Signed-off-by: Sidorov, Dmitry <dmitry.sidorov@intel.com>
MrSidims
added a commit
to MrSidims/SPIRV-LLVM-Translator
that referenced
this pull request
Aug 14, 2025
The extension relaxes rules for bf16 type allowing to use it in some arithmetic operations. Spec is available here: intel/llvm#18352 Co-authered by: Michael Aziz <michael.aziz@intel.com> --------- Signed-off-by: Sidorov, Dmitry <dmitry.sidorov@intel.com>
MrSidims
added a commit
to MrSidims/SPIRV-LLVM-Translator
that referenced
this pull request
Aug 14, 2025
The extension relaxes rules for bf16 type allowing to use it in some arithmetic operations. Spec is available here: intel/llvm#18352 Co-authered by: Michael Aziz <michael.aziz@intel.com> --------- Signed-off-by: Sidorov, Dmitry <dmitry.sidorov@intel.com>
MrSidims
added a commit
to MrSidims/SPIRV-LLVM-Translator
that referenced
this pull request
Aug 14, 2025
The extension relaxes rules for bf16 type allowing to use it in some arithmetic operations. Spec is available here: intel/llvm#18352 Co-authered by: Michael Aziz <michael.aziz@intel.com> --------- Signed-off-by: Sidorov, Dmitry <dmitry.sidorov@intel.com>
MrSidims
added a commit
to MrSidims/SPIRV-LLVM-Translator
that referenced
this pull request
Aug 14, 2025
The extension relaxes rules for bf16 type allowing to use it in some arithmetic operations. Spec is available here: intel/llvm#18352 Co-authered by: Michael Aziz <michael.aziz@intel.com> --------- Signed-off-by: Sidorov, Dmitry <dmitry.sidorov@intel.com>
MrSidims
added a commit
to MrSidims/SPIRV-LLVM-Translator
that referenced
this pull request
Aug 14, 2025
The extension relaxes rules for bf16 type allowing to use it in some arithmetic operations. Spec is available here: intel/llvm#18352 Co-authered by: Michael Aziz <michael.aziz@intel.com> --------- Signed-off-by: Sidorov, Dmitry <dmitry.sidorov@intel.com>
MrSidims
added a commit
to MrSidims/SPIRV-LLVM-Translator
that referenced
this pull request
Aug 14, 2025
The extension relaxes rules for bf16 type allowing to use it in some arithmetic operations. Spec is available here: intel/llvm#18352 Co-authered by: Michael Aziz <michael.aziz@intel.com> --------- Signed-off-by: Sidorov, Dmitry <dmitry.sidorov@intel.com>
This was referenced Aug 14, 2025
MrSidims
added a commit
to KhronosGroup/SPIRV-LLVM-Translator
that referenced
this pull request
Aug 18, 2025
The extension relaxes rules for bf16 type allowing to use it in some arithmetic operations. Spec is available here: intel/llvm#18352 Co-authered by: Michael Aziz <michael.aziz@intel.com> Signed-off-by: Sidorov, Dmitry <dmitry.sidorov@intel.com>
MrSidims
added a commit
to KhronosGroup/SPIRV-LLVM-Translator
that referenced
this pull request
Aug 18, 2025
The extension relaxes rules for bf16 type allowing to use it in some arithmetic operations. Spec is available here: intel/llvm#18352 Co-authered by: Michael Aziz <michael.aziz@intel.com> Signed-off-by: Sidorov, Dmitry <dmitry.sidorov@intel.com>
MrSidims
added a commit
to KhronosGroup/SPIRV-LLVM-Translator
that referenced
this pull request
Aug 18, 2025
The extension relaxes rules for bf16 type allowing to use it in some arithmetic operations. Spec is available here: intel/llvm#18352 Co-authered by: Michael Aziz <michael.aziz@intel.com> Signed-off-by: Sidorov, Dmitry <dmitry.sidorov@intel.com>
MrSidims
added a commit
to KhronosGroup/SPIRV-LLVM-Translator
that referenced
this pull request
Aug 28, 2025
The extension relaxes rules for bf16 type allowing to use it in some arithmetic operations. Spec is available here: intel/llvm#18352 Co-authered by: Michael Aziz <michael.aziz@intel.com> --------- Signed-off-by: Sidorov, Dmitry <dmitry.sidorov@intel.com>
MrSidims
added a commit
to KhronosGroup/SPIRV-LLVM-Translator
that referenced
this pull request
Aug 28, 2025
The extension relaxes rules for bf16 type allowing to use it in some arithmetic operations. Spec is available here: intel/llvm#18352 Co-authered by: Michael Aziz <michael.aziz@intel.com> --------- Signed-off-by: Sidorov, Dmitry <dmitry.sidorov@intel.com>
MrSidims
added a commit
to KhronosGroup/SPIRV-LLVM-Translator
that referenced
this pull request
Aug 28, 2025
The extension relaxes rules for bf16 type allowing to use it in some arithmetic operations. Spec is available here: intel/llvm#18352 Co-authered by: Michael Aziz <michael.aziz@intel.com> --------- Signed-off-by: Sidorov, Dmitry <dmitry.sidorov@intel.com>
MrSidims
added a commit
to MrSidims/SPIRV-LLVM-Translator
that referenced
this pull request
Aug 28, 2025
…p#3290) (KhronosGroup#3320) The extension relaxes rules for bf16 type allowing to use it in some arithmetic operations. Spec is available here: intel/llvm#18352 Co-authered by: Michael Aziz <michael.aziz@intel.com> --------- Signed-off-by: Sidorov, Dmitry <dmitry.sidorov@intel.com>
MrSidims
added a commit
to MrSidims/SPIRV-LLVM-Translator
that referenced
this pull request
Aug 28, 2025
…p#3290) (KhronosGroup#3320) The extension relaxes rules for bf16 type allowing to use it in some arithmetic operations. Spec is available here: intel/llvm#18352 Co-authered by: Michael Aziz <michael.aziz@intel.com> --------- Signed-off-by: Sidorov, Dmitry <dmitry.sidorov@intel.com>
MrSidims
added a commit
to MrSidims/SPIRV-LLVM-Translator
that referenced
this pull request
Aug 28, 2025
…p#3290) (KhronosGroup#3320) The extension relaxes rules for bf16 type allowing to use it in some arithmetic operations. Spec is available here: intel/llvm#18352 Co-authered by: Michael Aziz <michael.aziz@intel.com> --------- Signed-off-by: Sidorov, Dmitry <dmitry.sidorov@intel.com>
MrSidims
added a commit
to MrSidims/SPIRV-LLVM-Translator
that referenced
this pull request
Aug 28, 2025
…p#3290) (KhronosGroup#3320) The extension relaxes rules for bf16 type allowing to use it in some arithmetic operations. Spec is available here: intel/llvm#18352 Co-authered by: Michael Aziz <michael.aziz@intel.com> --------- Signed-off-by: Sidorov, Dmitry <dmitry.sidorov@intel.com>
MrSidims
added a commit
to KhronosGroup/SPIRV-LLVM-Translator
that referenced
this pull request
Aug 31, 2025
…) (#3340) The extension relaxes rules for bf16 type allowing to use it in some arithmetic operations. Spec is available here: intel/llvm#18352 Co-authered by: Michael Aziz <michael.aziz@intel.com> --------- Signed-off-by: Sidorov, Dmitry <dmitry.sidorov@intel.com>
MrSidims
added a commit
to KhronosGroup/SPIRV-LLVM-Translator
that referenced
this pull request
Aug 31, 2025
…) (#3341) The extension relaxes rules for bf16 type allowing to use it in some arithmetic operations. Spec is available here: intel/llvm#18352 Co-authered by: Michael Aziz <michael.aziz@intel.com> --------- Signed-off-by: Sidorov, Dmitry <dmitry.sidorov@intel.com>
jsji
pushed a commit
that referenced
this pull request
Sep 6, 2025
The extension relaxes rules for bf16 type allowing to use it in some arithmetic operations. Spec is available here: #18352 Co-authered by: Michael Aziz <michael.aziz@intel.com> --------- Signed-off-by: Sidorov, Dmitry <dmitry.sidorov@intel.com> Original commit: KhronosGroup/SPIRV-LLVM-Translator@8242eb7a4ab8204
MrSidims
added a commit
to MrSidims/SPIRV-LLVM-Translator
that referenced
this pull request
Sep 22, 2025
…p#3290) (KhronosGroup#3320) The extension relaxes rules for bf16 type allowing to use it in some arithmetic operations. Spec is available here: intel/llvm#18352 Co-authered by: Michael Aziz <michael.aziz@intel.com> --------- Signed-off-by: Sidorov, Dmitry <dmitry.sidorov@intel.com>
MrSidims
added a commit
to KhronosGroup/SPIRV-LLVM-Translator
that referenced
this pull request
Sep 22, 2025
The extension relaxes rules for bf16 type allowing to use it in some arithmetic operations. Spec is available here: intel/llvm#18352 Co-authered by: Michael Aziz <michael.aziz@intel.com> --------- Signed-off-by: Sidorov, Dmitry <dmitry.sidorov@intel.com>
MrSidims
added a commit
to MrSidims/SPIRV-LLVM-Translator
that referenced
this pull request
Sep 26, 2025
…#3290) The extension relaxes rules for bf16 type allowing to use it in some arithmetic operations. Spec is available here: intel/llvm#18352 Co-authered by: Michael Aziz <michael.aziz@intel.com> --------- Signed-off-by: Sidorov, Dmitry <dmitry.sidorov@intel.com>
MrSidims
added a commit
to MrSidims/SPIRV-LLVM-Translator
that referenced
this pull request
Sep 26, 2025
…p#3290) The extension relaxes rules for bf16 type allowing to use it in some arithmetic operations. Spec is available here: intel/llvm#18352 Co-authered by: Michael Aziz <michael.aziz@intel.com> --------- Signed-off-by: Sidorov, Dmitry <dmitry.sidorov@intel.com>
MrSidims
added a commit
to KhronosGroup/SPIRV-LLVM-Translator
that referenced
this pull request
Sep 29, 2025
The extension relaxes rules for bf16 type allowing to use it in some arithmetic operations. Spec is available here: intel/llvm#18352 Co-authered by: Michael Aziz <michael.aziz@intel.com> --------- Signed-off-by: Sidorov, Dmitry <dmitry.sidorov@intel.com>
bashbaug
approved these changes
Oct 29, 2025
|
@intel/llvm-gatekeepers please consider merging |
2 similar comments
|
@intel/llvm-gatekeepers please consider merging |
|
@intel/llvm-gatekeepers please consider merging |
|
The extension is implemented in the LLVM upstream: llvm/llvm-project#166031 |
Which extension? Khronos or Intel? |
The Intel one. The Khronos extension was also implemented: llvm/llvm-project#155645 |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
3 participants
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
The extension is based on the SPV_KHR_bfloat16 extension and adds
support for arithmetic and logical operations on bfloat16 types.