ggml: WebGPU backend host improvements and style fixing (#14978)

* Add parameter buffer pool, batching of submissions, refactor command building/submission

* Add header for linux builds

* Free staged parameter buffers at once

* Format with clang-format

* Fix thread-safe implementation

* Use device implicit synchronization

* Update workflow to use custom release

* Remove testing branch workflow

.github/workflows/build.yml

@@ -159,31 +159,15 @@ jobs:
       - name: Dawn Dependency
         id: dawn-depends
         run: |
-          ARTIFACTS_JSON=$(curl -s -L \
-            -H "Accept: application/vnd.github+json" \
-            -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
-            -H "X-GitHub-Api-Version: 2022-11-28" \
-            "https://api.github.com/repos/google/dawn/actions/artifacts")
-          echo "Finding latest macos-latest-Release artifact..."
-          DOWNLOAD_URL=$(echo "$ARTIFACTS_JSON" | jq -r '.artifacts
-            | sort_by(.created_at)
-            | reverse
-            | map(select(.name | test("macos-latest-Release$")))
-            | .[0].archive_download_url')
-          if [ "$DOWNLOAD_URL" = "null" ] || [ -z "$DOWNLOAD_URL" ]; then
-            echo "No suitable Dawn artifact found!"
-            exit 1
-          fi
-          echo "Downloading from: $DOWNLOAD_URL"
-          curl -L \
-            -H "Accept: application/vnd.github+json" \
-            -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
-            -o artifact.zip "$DOWNLOAD_URL"
-          unzip artifact.zip
+          DAWN_VERSION="v1.0.0"
+          DAWN_OWNER="reeselevine"
+          DAWN_REPO="dawn"
+          DAWN_ASSET_NAME="Dawn-a1a6b45cced25a3b7f4fb491e0ae70796cc7f22b-macos-latest-Release.tar.gz"
+          echo "Fetching release asset from https://github.com/${DAWN_OWNER}/${DAWN_REPO}/releases/download/${DAWN_VERSION}/${DAWN_ASSET_NAME}"
+          curl -L -o artifact.tar.gz \
+            "https://github.com/${DAWN_OWNER}/${DAWN_REPO}/releases/download/${DAWN_VERSION}/${DAWN_ASSET_NAME}"
           mkdir dawn
-          tar_file=$(find . -name '*.tar.gz' | head -n 1)
-          echo "Extracting: $tar_file"
-          tar -xvf "$tar_file" -C dawn --strip-components=1
+          tar -xvf artifact.tar.gz -C dawn --strip-components=1
 
       - name: Build
         id: cmake_build
@@ -433,31 +417,15 @@ jobs:
         id: dawn-depends
         run: |
           sudo apt-get install -y libxrandr-dev libxinerama-dev libxcursor-dev mesa-common-dev libx11-xcb-dev libxi-dev
-          ARTIFACTS_JSON=$(curl -s -L \
-            -H "Accept: application/vnd.github+json" \
-            -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
-            -H "X-GitHub-Api-Version: 2022-11-28" \
-            "https://api.github.com/repos/google/dawn/actions/artifacts")
-          echo "Finding latest ubuntu-latest-Release artifact..."
-          DOWNLOAD_URL=$(echo "$ARTIFACTS_JSON" | jq -r '.artifacts
-            | sort_by(.created_at)
-            | reverse
-            | map(select(.name | test("ubuntu-latest-Release$")))
-            | .[0].archive_download_url')
-          if [ "$DOWNLOAD_URL" = "null" ] || [ -z "$DOWNLOAD_URL" ]; then
-            echo "No suitable Dawn artifact found!"
-            exit 1
-          fi
-          echo "Downloading from: $DOWNLOAD_URL"
-          curl -L \
-            -H "Accept: application/vnd.github+json" \
-            -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
-            -o artifact.zip "$DOWNLOAD_URL"
-          unzip artifact.zip
+          DAWN_VERSION="v1.0.0"
+          DAWN_OWNER="reeselevine"
+          DAWN_REPO="dawn"
+          DAWN_ASSET_NAME="Dawn-a1a6b45cced25a3b7f4fb491e0ae70796cc7f22b-ubuntu-latest-Release.tar.gz"
+          echo "Fetching release asset from https://github.com/${DAWN_OWNER}/${DAWN_REPO}/releases/download/${DAWN_VERSION}/${DAWN_ASSET_NAME}"
+          curl -L -o artifact.tar.gz \
+            "https://github.com/${DAWN_OWNER}/${DAWN_REPO}/releases/download/${DAWN_VERSION}/${DAWN_ASSET_NAME}"
           mkdir dawn
-          tar_file=$(find . -name '*.tar.gz' | head -n 1)
-          echo "Extracting: $tar_file"
-          tar -xvf "$tar_file" -C dawn --strip-components=1
+          tar -xvf artifact.tar.gz -C dawn --strip-components=1
 
       - name: Build
         id: cmake_build