enhance(ci): add fast benchmark artifact workflow

.github/configs/feature.yaml

@@ -18,6 +18,11 @@ benchmark_develop:
   fill-params: --fork=Osaka --gas-benchmark-values 1,10,30,60,100,150 -m "benchmark and not state_test" ./tests/benchmark
   feature_only: true
 
+benchmark_fast:
+  evm-type: benchmark
+  fill-params: --fork=Prague --gas-benchmark-values 100 -m "benchmark and not state_test" ./tests/benchmark
+  feature_only: true
+
 bal:
   evm-type: develop
   fill-params: --fork=Amsterdam ./tests/amsterdam/eip7928_block_level_access_lists

.github/workflows/artifact_benchmark_fast.yaml

@@ -0,0 +1,43 @@
+name: Build Benchmark Fixtures
+
+on:
+  push:
+    branches:
+      - "forks/osaka"
+      - "forks/amsterdam"
+    paths:
+      # Benchmark test files
+      - "tests/benchmark/**"
+      # Precompile specs used by benchmark tests
+      - "tests/prague/eip2537_bls_12_381_precompiles/spec.py"
+      - "tests/osaka/eip7951_p256verify_precompiles/spec.py"
+      # Benchmark specific framework files
+      - "packages/testing/src/execution_testing/benchmark/**"
+      # CI benchmark configuration
+      - ".github/configs/evm.yaml"
+      - ".github/configs/feature.yaml"
+      - ".github/actions/build-fixtures/**"
+      - ".github/actions/build-evm-base/**"
+      - ".github/actions/build-evm-client/evmone/**"
+      # This workflow itself
+      - ".github/workflows/artifact_benchmark_fast.yaml"
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: [self-hosted-ghr, size-gigachungus-x64]
+    timeout-minutes: 720
+    steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
+        with:
+          submodules: true
+
+      - uses: ./.github/actions/build-fixtures
+        with:
+          release_name: benchmark_fast
+          uv_version: ${{ vars.UV_VERSION }}
+          python_version: ${{ vars.DEFAULT_PYTHON_VERSION }}