Add CUDA 12.8 tests

Makefile

@@ -343,6 +343,11 @@ cuda-tests: load-basic_alpine load-gpu_cuda-tests $(RUNTIME_BIN)
 	@$(call sudo,test/gpu:cuda_test,--runtime=$(RUNTIME) -test.v $(ARGS))
 .PHONY: cuda-tests
 
+cuda-12-8-tests: load-basic_alpine load-gpu_cuda-tests-12-8 $(RUNTIME_BIN)
+	@$(call install_runtime,$(RUNTIME),--nvproxy=true --nvproxy-docker=true --nvproxy-allowed-driver-capabilities=all)
+	@$(call sudo,test/gpu:cuda_12_8_test,--runtime=$(RUNTIME) -test.v $(ARGS))
+.PHONY: cuda-tests
+
 portforward-tests: load-basic_redis load-basic_nginx $(RUNTIME_BIN)
 	@$(call install_runtime,$(RUNTIME),--network=sandbox)
 	@$(call sudo,test/root:portforward_test,--runtime=$(RUNTIME) -test.v $(ARGS))

images/gpu/cuda-tests-12-8/Dockerfile → images/gpu/cuda-tests-12-8/Dockerfile.x86_64

@@ -28,18 +28,22 @@ RUN export DEBIAN_FRONTEND=noninteractive; \
       xvfb \
       zlib1g zlib1g-dev
 
-RUN git clone  \
-      https://github.com/NVIDIA/cuda-samples.git /cuda-samples && cd /cuda-samples && \
-      git checkout 7b60178984e96bc09d066077d5455df71fee2a9f && cd /
+RUN git clone --depth=1 --branch=v12.8 --single-branch \
+      https://github.com/NVIDIA/cuda-samples.git /cuda-samples && cd /cuda-samples
 
 RUN apt install -y wget && apt -y purge golang*
 
-RUN wget https://go.dev/dl/go1.24.1.linux-amd64.tar.gz && tar -C /usr/local -xzf go1.24.1.linux-amd64.tar.gz && \
-   ln -s /usr/local/go/bin/go /usr/local/bin/go
+RUN wget https://go.dev/dl/go1.24.1.linux-amd64.tar.gz && \
+    tar -C /usr/local -xzf go1.24.1.linux-amd64.tar.gz && \
+    ln -s /usr/local/go/bin/go /usr/local/bin/go
 
-ADD *.cu *.h *.sh *.py *.cc /
+ADD *.cu *.h *.sh *.go *.cc /
 
-RUN chmod 555 /*.sh && gcc -o /unsupported_ioctl /unsupported_ioctl.cc
+RUN chmod 555 /*.sh && gcc -o /unsupported_ioctl /unsupported_ioctl.cc && \
+    go install \
+      github.com/TheZoraiz/ascii-image-converter@d05a757c5e02ab23e97b6f6fca4e1fbeb10ab559 && \
+    mv "$HOME/go/bin/ascii-image-converter" /usr/bin/ && \
+    go build -o /run_sample /run_sample.go
 
 RUN mkdir /cuda-samples/build && cd /cuda-samples/build && \
       cmake ..

images/gpu/cuda-tests-12-8/list_features.cu

@@ -0,0 +1,66 @@
+// Copyright 2024 The gVisor Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// This program lists the features of the CUDA device that are available.
+// It is used as part of the list_features.sh script.
+// Each line it outputs is a CUDA feature name, prefixed by either
+// "PRESENT: " or "ABSENT: ".
+
+#include <cuda.h>
+#include <cuda_runtime.h>
+#include <stdio.h>
+
+#include "cuda_test_util.h"  // NOLINT(build/include)
+
+void printFeature(const char* feature, bool have) {
+  if (have) {
+    printf("PRESENT: %s\n", feature);
+  } else {
+    printf("ABSENT: %s\n", feature);
+  }
+}
+
+int main(int argc, char *argv[]) {
+  int cuda_device;
+  CHECK_CUDA(cudaGetDevice(&cuda_device));
+  cudaDeviceProp properties;
+  CHECK_CUDA(cudaGetDeviceProperties(&properties, cuda_device));
+  bool cdpCapable =
+      (properties.major == 3 && properties.minor >= 5) || properties.major >= 4;
+  printFeature("DYNAMIC_PARALLELISM", cdpCapable);
+  printFeature(
+      "PERSISTENT_L2_CACHING", properties.persistingL2CacheMaxSize > 0);
+  // Tensor cores are a thing in Volta (SM8X)
+  printFeature("TENSOR_CORES", properties.major >= 8);
+  int isCompressionAvailable;
+  CHECK_CUDA_RESULT(
+      cuDeviceGetAttribute(&isCompressionAvailable,
+                           CU_DEVICE_ATTRIBUTE_GENERIC_COMPRESSION_SUPPORTED,
+                           cuda_device));
+  printFeature("COMPRESSIBLE_MEMORY", isCompressionAvailable != 0);
+  bool p2pAvailable = false;
+  int gpuCount = -1;
+  CHECK_CUDA(cudaGetDeviceCount(&gpuCount));
+  printf("// Number of GPUs: %d\n", gpuCount);
+  if (gpuCount >= 2) {
+    int canAccessAToB = -1;
+    CHECK_CUDA(cudaDeviceCanAccessPeer(&canAccessAToB, 0, 1));
+    printf("// CUDA P2P: 0 -> 1: %d\n", canAccessAToB);
+    int canAccessBToA = -1;
+    CHECK_CUDA(cudaDeviceCanAccessPeer(&canAccessBToA, 1, 0));
+    printf("// CUDA P2P: 1 -> 0: %d\n", canAccessBToA);
+    p2pAvailable = canAccessAToB > 0 && canAccessBToA > 0;
+  }
+  printFeature("P2P", p2pAvailable);
+}

images/gpu/cuda-tests-12-8/list_features.sh

@@ -0,0 +1,39 @@
+#!/bin/bash
+
+# Copyright 2025 The gVisor Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# This script outputs a list of CUDA features that are present or absent,
+# one per line. Each line begins with either "PRESENT: " or "ABSENT: ",
+# followed by the feature name.
+
+set -euo pipefail
+
+if [[ "${NVIDIA_DRIVER_CAPABILITIES:-}" != "all" ]]; then
+  echo "NVIDIA_DRIVER_CAPABILITIES is not set to 'all'." >&2
+  echo "It is set to: '${NVIDIA_DRIVER_CAPABILITIES:-}'" >&2
+  echo "Please set it to 'all' and try again." >&2
+  exit 1
+fi
+
+cd /
+nvcc list_features.cu -lcuda -o list_features -Wno-deprecated-gpu-targets
+./list_features
+
+# Detect GL by using a simple test that uses it as reference.
+if xvfb-run make -C /cuda-samples/Samples/0_Introduction/simpleCUDA2GL TARGET_ARCH="$(uname -m)" testrun &>/dev/null; then
+  echo "PRESENT: GL"
+else
+  echo "ABSENT: GL"
+fi

images/gpu/cuda-tests-12-8/list_sample_tests.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+
+# Copyright 2025 The gVisor Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# This script outputs a sorted list of CUDA sample tests, one per line.
+
+set -euo pipefail
+
+(
+  while IFS= read -r makefile_path; do
+    dirname "$makefile_path"
+  done < <(find /cuda-samples -type f -name Makefile) \
+    | grep -vE '^/cuda-samples$'  | grep -vE '^/cuda-samples/build$' | grep -vE '^/cuda-samples/build/Samples$'
+) | sed 's~/cuda-samples/build/Samples/~~' | grep '/' | sort