[Intel XPU] Initially add nightly GSM8K accuracy tests for Llama-3.1-8B (TP=2) and Qwen3-32B (TP=4) (#28908)

Co-authored-by: Singhal, Shubham <shubham.singhal@intel.com>

.codespellrc

@@ -1,3 +1,3 @@
 [codespell]
-ignore-words-list = ans, als, hel, boostrap, childs, te, vas, hsa, ment, cann, thi, makro, wil, rouge, PRIS, ather, MIS, medias, allready, inout, nd, fo, visibles, nothink, renderD, ond, tbe, CopyIn, notin, subtile, subtiles
+ignore-words-list = ans, als, hel, boostrap, childs, te, vas, hsa, ment, cann, thi, makro, wil, rouge, PRIS, ather, MIS, medias, allready, inout, nd, fo, visibles, nothink, renderD, ond, tbe, CopyIn, notin, subtile, subtiles, IST
 skip = *.json, *.jsonl, *.patch, *.txt, *.lock

.github/workflows/nightly-test-intel.yml

@@ -2,13 +2,20 @@ name: Nightly Test (Intel)
 
 on:
   schedule:
-    - cron: '0 0 * * *'
+    # 22:15 IST (UTC+5:30) → 16:45 UTC daily.
+    - cron: '45 16 * * *'
   push:
     branches:
       - main
     paths:
       - "python/sglang/version.py"
   workflow_dispatch:
+    inputs:
+      continue_on_error:
+        description: 'Continue on error (do not fail the workflow on test failures)'
+        required: false
+        type: boolean
+        default: true
   workflow_call:
     inputs:
       ref:
@@ -16,18 +23,159 @@ on:
         required: false
         type: string
         default: ""
+      continue_on_error:
+        description: 'Continue on error (do not fail the workflow on test failures)'
+        required: false
+        type: boolean
+        default: true
 
 concurrency:
-  group: nightly-test-intel-${{ inputs.ref || github.ref }}
+  group: nightly-test-intel-${{ github.event_name == 'workflow_dispatch' && format('manual-{0}', github.run_id) || inputs.ref && format('caller-{0}', github.run_id) || github.ref }}
-  cancel-in-progress: ${{ github.event_name != 'workflow_call' }}
+  cancel-in-progress: ${{ !inputs.ref && github.event_name != 'workflow_call' && github.event_name != 'workflow_dispatch' }}
 
 jobs:
-  # Placeholder for Intel GPU tests
+  nightly-xpu-1-gpu:
-  # Add Intel-specific nightly test workflows here when available
+    # Placeholder: no models currently registered to nightly-xpu-1-gpu run on
-
+    # intel-bmg-nightly. Add a model test to this suite to re-enable.
-  placeholder:
+    if: false
-    if: github.repository == 'sgl-project/sglang'
+    runs-on: intel-bmg-nightly
-    runs-on: ubuntu-latest
     steps:
       - name: Placeholder
-        run: echo "Intel nightly tests will be added here"
+        run: echo "nightly-xpu-1-gpu has no validated models; skipping."
+
+  nightly-xpu-2-gpu:
+    if: github.repository == 'sgl-project/sglang'
+    runs-on: intel-bmg-nightly
+    env:
+      DOCKERHUB_INTEL_USERNAME: ${{ secrets.DOCKERHUB_INTEL_USERNAME }}
+      DOCKERHUB_INTEL_TOKEN: ${{ secrets.DOCKERHUB_INTEL_TOKEN }}
+    steps:
+      - name: Reset workspace ownership
+        run: |
+          docker run --rm -v "${{ github.workspace }}:/w" busybox:latest \
+            chown -R "$(id -u):$(id -g)" /w || true
+
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          ref: ${{ inputs.ref || github.sha }}
+
+      - name: Start CI container (pull intel/sglang-dev:latest)
+        run: |
+          export HF_TOKEN="$(cat ~/huggingface_token.txt)"
+          bash scripts/ci/xpu/xpu_ci_start_container.sh
+        env:
+          GITHUB_WORKSPACE: ${{ github.workspace }}
+
+      - name: HF login + install run_suite extras
+        timeout-minutes: 10
+        run: |
+          docker exec ci_sglang_xpu /opt/venv/bin/python3 -m pip install --no-cache-dir tabulate
+          docker exec ci_sglang_xpu /opt/venv/bin/python3 -m pip install --no-cache-dir --no-deps xgrammar==0.1.33
+          docker exec ci_sglang_xpu /opt/venv/bin/python3 -m pip install --no-cache-dir "lm-eval==0.4.9"
+          docker exec ci_sglang_xpu /bin/bash -c '/opt/venv/bin/hf auth login --token ${HF_TOKEN}'
+
+      - name: Nightly Test (2-GPU XPU)
+        timeout-minutes: 60
+        run: |
+          touch github_summary.md
+          docker exec ci_sglang_xpu bash -c "
+            source /opt/venv/bin/activate &&
+            cd /sglang-checkout/test &&
+            GITHUB_STEP_SUMMARY=/sglang-checkout/github_summary.md \
+            python3 run_suite.py --hw xpu --suite nightly-xpu-2-gpu --nightly --timeout-per-file 1800 ${{ (github.event_name == 'schedule' || inputs.continue_on_error) && '--continue-on-error' || '' }}
+          " || TEST_EXIT_CODE=$?
+          echo "$(<github_summary.md)" >> $GITHUB_STEP_SUMMARY || true
+          exit ${TEST_EXIT_CODE:-0}
+
+      - name: Cleanup container
+        if: always()
+        run: |
+          docker run --rm -v "${{ github.workspace }}:/w" busybox:latest \
+            chown -R "$(id -u):$(id -g)" /w || true
+          rm -rf test/result.jsonl test/results test/.pytest_cache .pytest_cache || true
+          find . -type d -name "__pycache__" -prune -exec rm -rf {} + || true
+          find . -type f -name "*.pyc" -delete || true
+          docker rm -f ci_sglang_xpu || true
+          if [[ -n "${CI_SGLANG_XPU_IMAGE:-}" ]]; then
+            docker rmi -f "${CI_SGLANG_XPU_IMAGE}" || true
+          fi
+
+  nightly-xpu-4-gpu:
+    if: github.repository == 'sgl-project/sglang'
+    runs-on: intel-bmg-nightly
+    env:
+      DOCKERHUB_INTEL_USERNAME: ${{ secrets.DOCKERHUB_INTEL_USERNAME }}
+      DOCKERHUB_INTEL_TOKEN: ${{ secrets.DOCKERHUB_INTEL_TOKEN }}
+    steps:
+      - name: Reset workspace ownership
+        run: |
+          docker run --rm -v "${{ github.workspace }}:/w" busybox:latest \
+            chown -R "$(id -u):$(id -g)" /w || true
+
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          ref: ${{ inputs.ref || github.sha }}
+
+      - name: Start CI container (pull intel/sglang-dev:latest)
+        run: |
+          export HF_TOKEN="$(cat ~/huggingface_token.txt)"
+          bash scripts/ci/xpu/xpu_ci_start_container.sh
+        env:
+          GITHUB_WORKSPACE: ${{ github.workspace }}
+
+      - name: HF login + install run_suite extras
+        timeout-minutes: 10
+        run: |
+          docker exec ci_sglang_xpu /opt/venv/bin/python3 -m pip install --no-cache-dir tabulate
+          docker exec ci_sglang_xpu /opt/venv/bin/python3 -m pip install --no-cache-dir --no-deps xgrammar==0.1.33
+          docker exec ci_sglang_xpu /opt/venv/bin/python3 -m pip install --no-cache-dir "lm-eval==0.4.9"
+          docker exec ci_sglang_xpu /bin/bash -c '/opt/venv/bin/hf auth login --token ${HF_TOKEN}'
+
+      - name: Nightly Test (4-GPU XPU)
+        timeout-minutes: 120
+        run: |
+          touch github_summary.md
+          docker exec ci_sglang_xpu bash -c "
+            source /opt/venv/bin/activate &&
+            cd /sglang-checkout/test &&
+            GITHUB_STEP_SUMMARY=/sglang-checkout/github_summary.md \
+            python3 run_suite.py --hw xpu --suite nightly-xpu-4-gpu --nightly --timeout-per-file 2400 ${{ (github.event_name == 'schedule' || inputs.continue_on_error) && '--continue-on-error' || '' }}
+          " || TEST_EXIT_CODE=$?
+          echo "$(<github_summary.md)" >> $GITHUB_STEP_SUMMARY || true
+          exit ${TEST_EXIT_CODE:-0}
+
+      - name: Cleanup container
+        if: always()
+        run: |
+          docker run --rm -v "${{ github.workspace }}:/w" busybox:latest \
+            chown -R "$(id -u):$(id -g)" /w || true
+          rm -rf test/result.jsonl test/results test/.pytest_cache .pytest_cache || true
+          find . -type d -name "__pycache__" -prune -exec rm -rf {} + || true
+          find . -type f -name "*.pyc" -delete || true
+          docker rm -f ci_sglang_xpu || true
+          if [[ -n "${CI_SGLANG_XPU_IMAGE:-}" ]]; then
+            docker rmi -f "${CI_SGLANG_XPU_IMAGE}" || true
+          fi
+
+  check-all-jobs:
+    if: always() && (github.repository == 'sgl-project/sglang' || github.event_name == 'workflow_dispatch')
+    needs:
+      - nightly-xpu-2-gpu
+      - nightly-xpu-4-gpu
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check if any job failed
+        run: |
+          if [[ "${{ contains(needs.*.result, 'failure') }}" == "true" ]]; then
+            echo "One or more nightly test jobs failed"
+            exit 1
+          fi
+          if [[ "${{ contains(needs.*.result, 'cancelled') }}" == "true" ]]; then
+            echo "One or more nightly test jobs were cancelled"
+            exit 1
+          fi
+          echo "All nightly test jobs passed"

python/sglang/test/xpu/simple_eval_gsm8k_xpu_mixin.py

@@ -0,0 +1,129 @@
+"""simple-evals GSM8K accuracy mixin for Intel XPU nightly tests.
+
+Mirrors the AMD/NVIDIA nightly flow (``test_gsm8k_eval_amd.py`` /
+``test_text_models_gsm8k_eval.py``): launch an SGLang server with XPU
+flags, then call ``sglang.test.run_eval`` with ``eval_name="gsm8k"`` so
+the same ``simple_eval_gsm8k.GSM8KEval`` evaluator scores every backend.
+
+Subclasses set ``model``, ``tp_size``, ``accuracy``, and may override
+``other_args`` / ``env`` / ``num_examples`` / ``num_threads``.
+"""
+
+from __future__ import annotations
+
+import os
+import subprocess
+from abc import ABC
+from types import SimpleNamespace
+
+from sglang.srt.utils import kill_process_tree
+from sglang.test.run_eval import run_eval
+from sglang.test.test_utils import (
+    DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
+    DEFAULT_URL_FOR_TEST,
+    popen_launch_server,
+    write_github_step_summary,
+)
+from sglang.test.xpu.test_xpu_utils import write_results_to_github_step_summary
+
+
+class SimpleEvalGSM8KXPUMixin(ABC):
+    model: str = ""
+    tp_size: int = 1
+
+    timeout_for_server_launch = DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH
+    other_args: list[str] = [
+        "--device",
+        "xpu",
+        "--attention-backend",
+        "intel_xpu",
+        "--dtype",
+        "bfloat16",
+        "--trust-remote-code",
+        "--disable-overlap-schedule",
+        "--disable-radix-cache",
+    ]
+    env: dict | None = None
+
+    server_cmd: str = ""
+    # 200 questions matches the limit used by the XPU 70B lm-eval YAML and
+    # fits inside run_suite's per-file timeout when num_threads=1 keeps
+    # throughput low. Subclasses on cheaper-per-token hardware (TP=1, no
+    # Level Zero wedge) can raise this or set None for the full 1319-question
+    # GSM8K test set, matching the AMD/NVIDIA nightly defaults.
+    num_examples: int | None = 200
+    # Single-stream eval: intel_xpu attention at TP>=2 wedges the Level Zero
+    # driver in ur_command_list_manager::appendUSMMemcpy on concurrent prefill.
+    # Subclasses on hardware that handles parallel prefill cleanly may bump.
+    num_threads: int = 1
+    # Short generations reduce the rate of prefill->decode->prefill handoffs,
+    # which is what trips the same Level Zero wedge on TP>=2 (observed at the
+    # default 2048; 512 matches the original few_shot_gsm8k limit and is still
+    # enough for GSM8K CoT answers).
+    max_tokens: int = 512
+
+    @classmethod
+    def setUpClass(cls):
+        cls.base_url = DEFAULT_URL_FOR_TEST
+        env = {**os.environ, **(cls.env or {})}
+        args = list(cls.other_args) + ["--tp-size", str(cls.tp_size)]
+        try:
+            cls.process = popen_launch_server(
+                cls.model,
+                cls.base_url,
+                timeout=cls.timeout_for_server_launch,
+                other_args=args,
+                env=env,
+            )
+            cls.server_cmd = subprocess.list2cmdline(cls.process.args)
+        except Exception as e:
+            write_github_step_summary(f"Failed to launch server for {cls.model}: {e}")
+            raise AssertionError(f"Test failed for {cls.model}: {e}")
+
+    @classmethod
+    def tearDownClass(cls):
+        kill_process_tree(cls.process.pid)
+
+    def test_gsm8k(self):
+        accuracy_threshold = getattr(self, "accuracy", 0.0)
+        output_throughput_threshold = getattr(self, "output_throughput", 0.0)
+
+        model_metrics = {
+            "server": self.server_cmd,
+            "client": "simple_eval_gsm8k",
+            "accuracy_threshold": getattr(self, "accuracy", "N/A"),
+            "output_throughput_threshold": getattr(self, "output_throughput", "N/A"),
+        }
+
+        try:
+            args = SimpleNamespace(
+                base_url=self.base_url,
+                model=self.model,
+                eval_name="gsm8k",
+                num_examples=self.num_examples,
+                num_threads=self.num_threads,
+                max_tokens=self.max_tokens,
+            )
+            metrics = run_eval(args)
+            model_metrics["accuracy"] = metrics["score"]
+            model_metrics["output_throughput"] = metrics.get("output_throughput")
+            model_metrics["latency"] = metrics["latency"]
+            self.assertGreaterEqual(
+                metrics["score"],
+                accuracy_threshold,
+                f'Accuracy of {self.model} is {metrics["score"]}, '
+                f"is lower than {accuracy_threshold}",
+            )
+            if "output_throughput" in metrics:
+                self.assertGreaterEqual(
+                    metrics["output_throughput"],
+                    output_throughput_threshold,
+                    f"Output throughput of {self.model} is "
+                    f'{metrics["output_throughput"]}, is lower than '
+                    f"{output_throughput_threshold}",
+                )
+        except Exception as e:
+            model_metrics["error"] = str(e)
+            self.fail(f"Test failed for {self.model}: {e}")
+        finally:
+            write_results_to_github_step_summary({self.model: model_metrics})

python/sglang/test/xpu/test_xpu_utils.py

@@ -0,0 +1,50 @@
+"""Helpers shared by XPU nightly model tests.
+
+The summary writer mirrors `python/sglang/test/ascend/test_ascend_utils.py`
+so XPU and Ascend nightly runs render the same Markdown table in
+`$GITHUB_STEP_SUMMARY`.
+"""
+
+from sglang.test.test_utils import is_in_ci, write_github_step_summary
+
+HEADER = """
+| Model | Server | Client | Output Throughput | Expected Output Throughput | Accuracy | Expected Accuracy | Status |
+| ----- | ------ | ------ | ----------------- | -------------------------- | -------- | ----------------- | ------ |
+"""
+
+_HEADER_WRITTEN = False
+
+
+def _write_header_once():
+    global _HEADER_WRITTEN
+    if not _HEADER_WRITTEN:
+        write_github_step_summary(HEADER)
+        _HEADER_WRITTEN = True
+
+
+def write_results_to_github_step_summary(results: dict):
+    if not is_in_ci():
+        return
+
+    _write_header_once()
+
+    def fmt(metrics, key, precision):
+        v = metrics.get(key, "-")
+        return f"{v:.{precision}f}" if isinstance(v, (int, float)) else v
+
+    summary = ""
+    for model, metrics in results.items():
+        accuracy = fmt(metrics, "accuracy", 4)
+        accuracy_threshold = metrics.get("accuracy_threshold", "N/A")
+        output_throughput = fmt(metrics, "output_throughput", 2)
+        output_throughput_threshold = metrics.get("output_throughput_threshold", "N/A")
+        server = metrics.get("server", "N/A")
+        client = metrics.get("client", "N/A")
+        error = metrics.get("error", "")
+        status = "PASS" if error == "" else f"FAIL: {error}"
+        summary += (
+            f"| {model} | {server} | {client} | {output_throughput} "
+            f"| {output_throughput_threshold} | {accuracy} "
+            f"| {accuracy_threshold} | {status} |\n"
+        )
+    write_github_step_summary(summary)

test/registered/xpu/llm_models/test_xpu_llama_3_1_8b.py

@@ -0,0 +1,39 @@
+"""Llama-3.1-8B-Instruct GSM8K accuracy on Intel XPU (TP=2).
+
+TP=4 wedges the Level Zero driver during the first prefill batch on Arc/BMG;
+TP=2 runs cleanly with the same model and serves at ~18 tok/s.
+
+Scored by ``simple_eval_gsm8k.GSM8KEval`` (the same evaluator AMD and
+NVIDIA nightlies use); threshold mirrors theirs.
+"""
+
+import unittest
+
+import torch
+
+from sglang.test.ci.ci_register import register_xpu_ci
+from sglang.test.test_utils import CustomTestCase
+from sglang.test.xpu.simple_eval_gsm8k_xpu_mixin import SimpleEvalGSM8KXPUMixin
+
+register_xpu_ci(est_time=1200, suite="nightly-xpu-2-gpu", nightly=True)
+
+
+@unittest.skipUnless(
+    torch.xpu.is_available(),
+    "Intel XPU not available (torch.xpu.is_available() returned False)",
+)
+class TestLlama31_8BInstructXPU(SimpleEvalGSM8KXPUMixin, CustomTestCase):
+    model = "meta-llama/Llama-3.1-8B-Instruct"
+    tp_size = 2
+    accuracy = 0.80
+
+    other_args = SimpleEvalGSM8KXPUMixin.other_args + [
+        "--max-total-tokens",
+        "65536",
+        "--mem-fraction-static",
+        "0.8",
+    ]
+
+
+if __name__ == "__main__":
+    unittest.main()

test/registered/xpu/llm_models/test_xpu_qwen3_32b.py

@@ -0,0 +1,40 @@
+"""Qwen3-32B GSM8K accuracy on Intel XPU (TP=4).
+
+Scored by ``simple_eval_gsm8k.GSM8KEval`` (the same evaluator AMD and
+NVIDIA nightlies use).
+"""
+
+import unittest
+
+import torch
+
+from sglang.test.ci.ci_register import register_xpu_ci
+from sglang.test.test_utils import CustomTestCase
+from sglang.test.xpu.simple_eval_gsm8k_xpu_mixin import SimpleEvalGSM8KXPUMixin
+
+register_xpu_ci(est_time=1800, suite="nightly-xpu-4-gpu", nightly=True)
+
+
+@unittest.skipUnless(
+    torch.xpu.is_available(),
+    "Intel XPU not available (torch.xpu.is_available() returned False)",
+)
+class TestQwen3_32BXPU(SimpleEvalGSM8KXPUMixin, CustomTestCase):
+    model = "Qwen/Qwen3-32B"
+    tp_size = 4
+    accuracy = 0.85
+    # 64GB BF16 weights split across 4 ranks take ~9 min to load on Intel
+    # Arc Pro B60; the default 600s timeout fires mid-startup. Mirror the
+    # XPU 70B test's 1-hour budget.
+    timeout_for_server_launch = 3600
+
+    other_args = SimpleEvalGSM8KXPUMixin.other_args + [
+        "--max-total-tokens",
+        "65536",
+        "--mem-fraction-static",
+        "0.8",
+    ]
+
+
+if __name__ == "__main__":
+    unittest.main()

test/run_suite.py

@@ -169,7 +169,11 @@ NIGHTLY_SUITES = {
         "full-8-npu-a3",
         "full-16-npu-a3",
     ],
-    HWBackend.XPU: [],
+    HWBackend.XPU: [
+        "nightly-xpu-1-gpu",
+        "nightly-xpu-2-gpu",
+        "nightly-xpu-4-gpu",
+    ],
 }