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<title>slang.git/source/slang/slang-ir-lower-optional-type.cpp, branch master</title>
<subtitle>Making it easier to work with shaders</subtitle>
<id>https://git.yummers.dev/slang.git/atom?h=master</id>
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<updated>2025-06-04T20:05:58+00:00</updated>
<entry>
<title>Make interface types non c-style in Slang2026. (#7260)</title>
<updated>2025-06-04T20:05:58+00:00</updated>
<author>
<name>Yong He</name>
<email>yonghe@outlook.com</email>
</author>
<published>2025-06-04T20:05:58+00:00</published>
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<id>urn:sha1:812e478989e27983b8dea7ab11964de751654ba2</id>
<content type='text'>
* Make interface types non c-style.

* Make Optional&lt;T&gt; work with autodiff and existential types.

* Fix.

* patch behind slang 2026.

* Fix warnings.

* cleanup.

* Fix tests.

* Fix.

* Fix com interface lowering.

* Add comment to test.

* regenerate command line reference

* Add test for passing `none` to autodiff function.

* Fix recording of `getDynamicObjectRTTIBytes`.

* Fix nested Optional types.

---------

Co-authored-by: slangbot &lt;186143334+slangbot@users.noreply.github.com&gt;</content>
</entry>
<entry>
<title>Move switch statement bodies to their own lines (#5493)</title>
<updated>2024-11-05T17:47:26+00:00</updated>
<author>
<name>Ellie Hermaszewska</name>
<email>ellieh@nvidia.com</email>
</author>
<published>2024-11-05T17:47:26+00:00</published>
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<id>urn:sha1:b118451e301d734e3e783b3acdf871f3f6ea851c</id>
<content type='text'>
* Move switch statement bodies to their own lines

* format

---------

Co-authored-by: Yong He &lt;yonghe@outlook.com&gt;</content>
</entry>
<entry>
<title>format</title>
<updated>2024-10-29T06:49:26+00:00</updated>
<author>
<name>Ellie Hermaszewska</name>
<email>ellieh@nvidia.com</email>
</author>
<published>2024-10-29T06:49:26+00:00</published>
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<id>urn:sha1:f65d756bff8d4c5cbc15bd0322a2ae8e6b896a21</id>
<content type='text'>
* format

* Minor test fixes

* enable checking cpp format in ci</content>
</entry>
<entry>
<title>Fix crash when using optional type in a generic. (#4341)</title>
<updated>2024-06-12T06:58:25+00:00</updated>
<author>
<name>Yong He</name>
<email>yonghe@outlook.com</email>
</author>
<published>2024-06-12T06:58:25+00:00</published>
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<id>urn:sha1:3fe4a77287345c303aeb985e24ee237f272e8eca</id>
<content type='text'>
</content>
</entry>
<entry>
<title>Use ankerl/unordered_dense as a hashmap implementation (#3036)</title>
<updated>2023-08-16T00:57:47+00:00</updated>
<author>
<name>Ellie Hermaszewska</name>
<email>ellieh@nvidia.com</email>
</author>
<published>2023-08-16T00:57:47+00:00</published>
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<id>urn:sha1:45d9961a6a86d184248ef84f6a07125b0c224f97</id>
<content type='text'>
* Correct namespace for getClockFrequency

* missing const

* Add missing assignment operator

* Remove unused variables

* Return correct modified variable

* Use stable hash code for file system identity

* terse static_assert

* Structured binding for map iteration

* Make (==) and getHashCode const on many structs

* Add ConstIterator for LinkedList

* Replace uses of ItemProxy::getValue with Dictionary::at

* Extract list of loads from gradientsMap before updating it

* Const correctness in type layout

* Add unordered_dense hashmap submodule

* Use wyhash or getHashCode in slang-hash.h

* refactor slang-hash.h

* Use ankerl/unordered_dense as a hashmap implementation

Notable changes:
- The subscript operator returns a reference directly to the value,
  rather than a lazy ItemProxy (pair of dict pointer and key)

slang-profile time (95% over 10 runs):

- Before: 6.3913906 (±0.0746)
- After:  5.9276123 (±0.0964)

* 64 bit hash for strings

So they have the same hash as char buffers with the same contents

* Narrowing warnings for gcc to match msvc

* revert back to c++17

* Correct c++ version for msvc

* Use path to unordered_dense which keeps tests happy

* Do not assign to and read from map in same expression

* Remove redundant map operations in primal-hoist

* Split out stable hash functions into slang-stable-hash.h

* 64 bit hash by default

* regenerate vs projects

* Correct return type from HashSetBase::getCount()

* correct width for call to Dictionary::reserve

* Use stable hash for obfuscated module ids

* Signed int for reserve

* clearer variable naming

* Parameterize Dictionary on hash and equality functors

* Allow heterogenous lookup for Dictionary

* missing const

* Use set over operator[] in some places

* Remove unused function

* s/at/getValue</content>
</entry>
<entry>
<title>Pool inst worklists and hashsets to avoid rehashing. (#2982)</title>
<updated>2023-07-13T02:55:41+00:00</updated>
<author>
<name>Yong He</name>
<email>yonghe@outlook.com</email>
</author>
<published>2023-07-13T02:55:41+00:00</published>
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<id>urn:sha1:f3aba255f6d69ddbf255b33d0eb0f391908e60a8</id>
<content type='text'>
Co-authored-by: Yong He &lt;yhe@nvidia.com&gt;</content>
</entry>
<entry>
<title>Dictionary using lowerCamel (#2835)</title>
<updated>2023-04-25T14:43:29+00:00</updated>
<author>
<name>jsmall-nvidia</name>
<email>jsmall@nvidia.com</email>
</author>
<published>2023-04-25T14:43:29+00:00</published>
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<id>urn:sha1:7b7c095b37e85ca3a8f55eff1c3d9643d467b8e0</id>
<content type='text'>
* #include an absolute path didn't work - because paths were taken to always be relative.

* WIP lowerCamel Dictionary.

* WIP more lowerCamel fixes for Dictionary.

* Add/Remove/Clear

* GetValue/Contains

* Fix tabs in dictionary.
Count -&gt; getCount

* Fix fields with caps.

* Key -&gt; key
Value -&gt; value
Use m_ for members where appropriate.
Use lowerCamel in linked list.

* Some small fixes/improvements to Dictionary.

* Kick CI.</content>
</entry>
<entry>
<title>Remove `SharedIRBuilder`. (#2657)</title>
<updated>2023-02-17T00:44:04+00:00</updated>
<author>
<name>Yong He</name>
<email>yonghe@outlook.com</email>
</author>
<published>2023-02-17T00:44:04+00:00</published>
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<id>urn:sha1:245466d89cfe54b78da486f06d470bc6daaf4625</id>
<content type='text'>
Co-authored-by: Yong He &lt;yhe@nvidia.com&gt;</content>
</entry>
<entry>
<title>Run simple compute kernel in gfx-smoke test. (#2400)</title>
<updated>2022-09-16T03:37:45+00:00</updated>
<author>
<name>Yong He</name>
<email>yonghe@outlook.com</email>
</author>
<published>2022-09-16T03:37:45+00:00</published>
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<id>urn:sha1:a5d3bec25d70f23da1e79cd7773981ff34593611</id>
<content type='text'>
</content>
</entry>
<entry>
<title>Make Optional&lt;PointerType&gt; lower to PointerType instead of a struct. (#2373)</title>
<updated>2022-08-22T21:17:56+00:00</updated>
<author>
<name>Yong He</name>
<email>yonghe@outlook.com</email>
</author>
<published>2022-08-22T21:17:56+00:00</published>
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<id>urn:sha1:4bd3e6e02324f913e8927fe69d32c0aafe9fc831</id>
<content type='text'>
</content>
</entry>
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