mirror of
https://github.com/NVIDIA/cuda-samples.git
synced 2026-10-13 00:08:26 +08:00
CUDA 13.2 samples update (#432)
- Added Python samples for CUDA Python 1.0 release - Renamed top-level `Samples` directory to `cpp` to accommodate Python samples.
This commit is contained in:
18
cpp/3_CUDA_Features/newdelete/.vscode/c_cpp_properties.json
vendored
Normal file
18
cpp/3_CUDA_Features/newdelete/.vscode/c_cpp_properties.json
vendored
Normal file
@@ -0,0 +1,18 @@
|
||||
{
|
||||
"configurations": [
|
||||
{
|
||||
"name": "Linux",
|
||||
"includePath": [
|
||||
"${workspaceFolder}/**",
|
||||
"${workspaceFolder}/../../../Common"
|
||||
],
|
||||
"defines": [],
|
||||
"compilerPath": "/usr/local/cuda/bin/nvcc",
|
||||
"cStandard": "gnu17",
|
||||
"cppStandard": "gnu++14",
|
||||
"intelliSenseMode": "linux-gcc-x64",
|
||||
"configurationProvider": "ms-vscode.makefile-tools"
|
||||
}
|
||||
],
|
||||
"version": 4
|
||||
}
|
||||
7
cpp/3_CUDA_Features/newdelete/.vscode/extensions.json
vendored
Normal file
7
cpp/3_CUDA_Features/newdelete/.vscode/extensions.json
vendored
Normal file
@@ -0,0 +1,7 @@
|
||||
{
|
||||
"recommendations": [
|
||||
"nvidia.nsight-vscode-edition",
|
||||
"ms-vscode.cpptools",
|
||||
"ms-vscode.makefile-tools"
|
||||
]
|
||||
}
|
||||
34
cpp/3_CUDA_Features/newdelete/CMakeLists.txt
Normal file
34
cpp/3_CUDA_Features/newdelete/CMakeLists.txt
Normal file
@@ -0,0 +1,34 @@
|
||||
cmake_minimum_required(VERSION 3.20)
|
||||
|
||||
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../../../cmake/Modules")
|
||||
|
||||
project(newdelete LANGUAGES C CXX CUDA)
|
||||
|
||||
find_package(CUDAToolkit REQUIRED)
|
||||
|
||||
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
|
||||
|
||||
set(CMAKE_CUDA_ARCHITECTURES 75 80 86 87 89 90 100 110 120)
|
||||
set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -Wno-deprecated-gpu-targets")
|
||||
if(ENABLE_CUDA_DEBUG)
|
||||
set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -G") # enable cuda-gdb (may significantly affect performance on some targets)
|
||||
else()
|
||||
set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -lineinfo") # add line information to all builds for debug tools (exclusive to -G option)
|
||||
endif()
|
||||
|
||||
# Include directories and libraries
|
||||
include_directories(../../../Common)
|
||||
|
||||
# Source file
|
||||
# Add target for newdelete
|
||||
add_executable(newdelete newdelete.cu)
|
||||
|
||||
target_compile_options(newdelete PRIVATE $<$<COMPILE_LANGUAGE:CUDA>:--extended-lambda>)
|
||||
|
||||
target_compile_features(newdelete PRIVATE cxx_std_17 cuda_std_17)
|
||||
|
||||
set_target_properties(newdelete PROPERTIES CUDA_SEPARABLE_COMPILATION ON)
|
||||
|
||||
# Include installation configuration
|
||||
include(${CMAKE_CURRENT_SOURCE_DIR}/../../../cmake/InstallSamples.cmake)
|
||||
setup_samples_install()
|
||||
32
cpp/3_CUDA_Features/newdelete/README.md
Normal file
32
cpp/3_CUDA_Features/newdelete/README.md
Normal file
@@ -0,0 +1,32 @@
|
||||
# newdelete - NewDelete
|
||||
|
||||
## Description
|
||||
|
||||
This sample demonstrates dynamic global memory allocation through device C++ new and delete operators and virtual function declarations available with CUDA 4.0.
|
||||
|
||||
## Key Concepts
|
||||
|
||||
Device Memory Allocation, C++ Templates
|
||||
|
||||
## Supported SM Architectures
|
||||
|
||||
[SM 5.0 ](https://developer.nvidia.com/cuda-gpus) [SM 5.2 ](https://developer.nvidia.com/cuda-gpus) [SM 5.3 ](https://developer.nvidia.com/cuda-gpus) [SM 6.0 ](https://developer.nvidia.com/cuda-gpus) [SM 6.1 ](https://developer.nvidia.com/cuda-gpus) [SM 7.0 ](https://developer.nvidia.com/cuda-gpus) [SM 7.2 ](https://developer.nvidia.com/cuda-gpus) [SM 7.5 ](https://developer.nvidia.com/cuda-gpus) [SM 8.0 ](https://developer.nvidia.com/cuda-gpus) [SM 8.6 ](https://developer.nvidia.com/cuda-gpus) [SM 8.7 ](https://developer.nvidia.com/cuda-gpus) [SM 8.9 ](https://developer.nvidia.com/cuda-gpus) [SM 9.0 ](https://developer.nvidia.com/cuda-gpus)
|
||||
|
||||
## Supported OSes
|
||||
|
||||
Linux, Windows
|
||||
|
||||
## Supported CPU Architecture
|
||||
|
||||
x86_64, armv7l
|
||||
|
||||
## CUDA APIs involved
|
||||
|
||||
### [CUDA Runtime API](http://docs.nvidia.com/cuda/cuda-runtime-api/index.html)
|
||||
cudaMemcpy, cudaFree, cudaDeviceSynchronize, cudaDeviceSetLimit, cudaMalloc
|
||||
|
||||
## Prerequisites
|
||||
|
||||
Download and install the [CUDA Toolkit](https://developer.nvidia.com/cuda-downloads) for your corresponding platform.
|
||||
|
||||
## References (for more details)
|
||||
108
cpp/3_CUDA_Features/newdelete/container.hpp
Normal file
108
cpp/3_CUDA_Features/newdelete/container.hpp
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@@ -0,0 +1,108 @@
|
||||
/* Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* * Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* * Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* * Neither the name of NVIDIA CORPORATION nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
|
||||
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
|
||||
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
||||
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
||||
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
||||
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
|
||||
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// Container parent class.
|
||||
//
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
template <class T> class Container
|
||||
{
|
||||
public:
|
||||
__device__ Container() { ; }
|
||||
|
||||
__device__ virtual ~Container() { ; }
|
||||
|
||||
__device__ virtual void push(T e) = 0;
|
||||
|
||||
__device__ virtual bool pop(T &e) = 0;
|
||||
};
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// Vector class derived from Container class using linear memory as data storage
|
||||
// NOTE: This education purpose implementation has restricted functionality.
|
||||
// For example, concurrent push and pop operations will not work
|
||||
// correctly.
|
||||
//
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
template <class T> class Vector : public Container<T>
|
||||
{
|
||||
public:
|
||||
// Constructor, data is allocated on the heap
|
||||
// NOTE: This must be called from only one thread
|
||||
__device__ Vector(int max_size)
|
||||
: m_top(-1)
|
||||
{
|
||||
m_data = new T[max_size];
|
||||
}
|
||||
|
||||
// Constructor, data uses preallocated buffer via placement new
|
||||
__device__ Vector(int max_size, T *preallocated_buffer)
|
||||
: m_top(-1)
|
||||
{
|
||||
m_data = new (preallocated_buffer) T[max_size];
|
||||
}
|
||||
|
||||
// Destructor, data is freed
|
||||
// NOTE: This must be called from only one thread
|
||||
__device__ ~Vector()
|
||||
{
|
||||
if (m_data)
|
||||
delete[] m_data;
|
||||
}
|
||||
|
||||
__device__ virtual void push(T e)
|
||||
{
|
||||
if (m_data) {
|
||||
// Atomically increment the top idx
|
||||
int idx = atomicAdd(&(this->m_top), 1);
|
||||
m_data[idx + 1] = e;
|
||||
}
|
||||
}
|
||||
|
||||
__device__ virtual bool pop(T &e)
|
||||
{
|
||||
if (m_data && m_top >= 0) {
|
||||
// Atomically decrement the top idx
|
||||
int idx = atomicAdd(&(this->m_top), -1);
|
||||
if (idx >= 0) {
|
||||
e = m_data[idx];
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
private:
|
||||
int m_size;
|
||||
T *m_data;
|
||||
|
||||
int m_top;
|
||||
};
|
||||
317
cpp/3_CUDA_Features/newdelete/newdelete.cu
Normal file
317
cpp/3_CUDA_Features/newdelete/newdelete.cu
Normal file
@@ -0,0 +1,317 @@
|
||||
/* Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* * Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* * Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* * Neither the name of NVIDIA CORPORATION nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
|
||||
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
|
||||
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
||||
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
||||
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
||||
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
|
||||
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
// This sample demonstrates dynamic global memory allocation through device C++
|
||||
// new and delete operators and virtual function declarations available with
|
||||
// CUDA 4.0.
|
||||
|
||||
#include <cooperative_groups.h>
|
||||
#include <stdio.h>
|
||||
|
||||
namespace cg = cooperative_groups;
|
||||
#include <algorithm>
|
||||
#include <helper_cuda.h>
|
||||
#include <stdlib.h>
|
||||
#include <vector>
|
||||
|
||||
const char *sSDKsample = "newdelete";
|
||||
|
||||
#include "container.hpp"
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// Kernels to allocate and instantiate Container objects on the device heap
|
||||
//
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
__global__ void vectorCreate(Container<int> **g_container, int max_size)
|
||||
{
|
||||
// The Vector object and the data storage are allocated in device heap memory.
|
||||
// This makes it persistent for the lifetime of the CUDA context.
|
||||
// The grid has only one thread as only a single object instance is needed.
|
||||
|
||||
*g_container = new Vector<int>(max_size);
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// Kernels to fill and consume shared Container objects.
|
||||
//
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
__global__ void containerFill(Container<int> **g_container)
|
||||
{
|
||||
// All threads of the grid cooperatively populate the shared Container object
|
||||
// with data.
|
||||
if (threadIdx.x == 0) {
|
||||
(*g_container)->push(blockIdx.x);
|
||||
}
|
||||
}
|
||||
|
||||
__global__ void containerConsume(Container<int> **g_container, int *d_result)
|
||||
{
|
||||
// All threads of the grid cooperatively consume the data from the shared
|
||||
// Container object.
|
||||
int idx = blockIdx.x * blockDim.x + threadIdx.x;
|
||||
|
||||
int v;
|
||||
|
||||
if ((*g_container)->pop(v)) {
|
||||
d_result[idx] = v;
|
||||
}
|
||||
else {
|
||||
d_result[idx] = -1;
|
||||
}
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// Kernel to delete shared Container objects.
|
||||
//
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
__global__ void containerDelete(Container<int> **g_container) { delete *g_container; }
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// Kernels to using of placement new to put shared Vector objects and data in
|
||||
// shared memory
|
||||
//
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
__global__ void placementNew(int *d_result)
|
||||
{
|
||||
// Handle to thread block group
|
||||
cg::thread_block cta = cg::this_thread_block();
|
||||
__shared__ unsigned char __align__(8) s_buffer[sizeof(Vector<int>)];
|
||||
__shared__ int __align__(8) s_data[1024];
|
||||
__shared__ Vector<int> *s_vector;
|
||||
|
||||
// The first thread of the block initializes the shared Vector object.
|
||||
// The placement new operator enables the Vector object and the data array top
|
||||
// be placed in shared memory.
|
||||
if (threadIdx.x == 0) {
|
||||
s_vector = new (s_buffer) Vector<int>(1024, s_data);
|
||||
}
|
||||
|
||||
cg::sync(cta);
|
||||
|
||||
if ((threadIdx.x & 1) == 0) {
|
||||
s_vector->push(threadIdx.x >> 1);
|
||||
}
|
||||
|
||||
// Need to sync as the vector implementation does not support concurrent
|
||||
// push/pop operations.
|
||||
cg::sync(cta);
|
||||
|
||||
int v;
|
||||
|
||||
if (s_vector->pop(v)) {
|
||||
d_result[threadIdx.x] = v;
|
||||
}
|
||||
else {
|
||||
d_result[threadIdx.x] = -1;
|
||||
}
|
||||
|
||||
// Note: deleting objects placed in shared memory is not necessary (lifetime
|
||||
// of shared memory is that of the block)
|
||||
}
|
||||
|
||||
struct ComplexType_t
|
||||
{
|
||||
int a;
|
||||
int b;
|
||||
float c;
|
||||
float d;
|
||||
};
|
||||
|
||||
__global__ void complexVector(int *d_result)
|
||||
{
|
||||
// Handle to thread block group
|
||||
cg::thread_block cta = cg::this_thread_block();
|
||||
__shared__ unsigned char __align__(8) s_buffer[sizeof(Vector<ComplexType_t>)];
|
||||
__shared__ ComplexType_t __align__(8) s_data[1024];
|
||||
__shared__ Vector<ComplexType_t> *s_vector;
|
||||
|
||||
// The first thread of the block initializes the shared Vector object.
|
||||
// The placement new operator enables the Vector object and the data array top
|
||||
// be placed in shared memory.
|
||||
if (threadIdx.x == 0) {
|
||||
s_vector = new (s_buffer) Vector<ComplexType_t>(1024, s_data);
|
||||
}
|
||||
|
||||
cg::sync(cta);
|
||||
|
||||
if ((threadIdx.x & 1) == 0) {
|
||||
ComplexType_t data;
|
||||
data.a = threadIdx.x >> 1;
|
||||
data.b = blockIdx.x;
|
||||
data.c = threadIdx.x / (float)(blockDim.x);
|
||||
data.d = blockIdx.x / (float)(gridDim.x);
|
||||
|
||||
s_vector->push(data);
|
||||
}
|
||||
|
||||
cg::sync(cta);
|
||||
|
||||
ComplexType_t v;
|
||||
|
||||
if (s_vector->pop(v)) {
|
||||
d_result[threadIdx.x] = v.a;
|
||||
}
|
||||
else {
|
||||
d_result[threadIdx.x] = -1;
|
||||
}
|
||||
|
||||
// Note: deleting objects placed in shared memory is not necessary (lifetime
|
||||
// of shared memory is that of the block)
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// Host code
|
||||
//
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
bool checkResult(int *d_result, int N)
|
||||
{
|
||||
std::vector<int> h_result;
|
||||
h_result.resize(N);
|
||||
|
||||
checkCudaErrors(cudaMemcpy(&h_result[0], d_result, N * sizeof(int), cudaMemcpyDeviceToHost));
|
||||
std::sort(h_result.begin(), h_result.end());
|
||||
|
||||
bool success = true;
|
||||
bool test = false;
|
||||
|
||||
int value = 0;
|
||||
|
||||
for (int i = 0; i < N; ++i) {
|
||||
if (h_result[i] != -1) {
|
||||
test = true;
|
||||
}
|
||||
|
||||
if (test && (value++) != h_result[i]) {
|
||||
success = false;
|
||||
}
|
||||
}
|
||||
|
||||
return success;
|
||||
}
|
||||
|
||||
bool testContainer(Container<int> **d_container, int blocks, int threads)
|
||||
{
|
||||
int *d_result;
|
||||
cudaMalloc(&d_result, blocks * threads * sizeof(int));
|
||||
|
||||
containerFill<<<blocks, threads>>>(d_container);
|
||||
containerConsume<<<blocks, threads>>>(d_container, d_result);
|
||||
containerDelete<<<1, 1>>>(d_container);
|
||||
checkCudaErrors(cudaDeviceSynchronize());
|
||||
|
||||
bool success = checkResult(d_result, blocks * threads);
|
||||
|
||||
cudaFree(d_result);
|
||||
|
||||
return success;
|
||||
}
|
||||
|
||||
bool testPlacementNew(int threads)
|
||||
{
|
||||
int *d_result;
|
||||
cudaMalloc(&d_result, threads * sizeof(int));
|
||||
|
||||
placementNew<<<1, threads>>>(d_result);
|
||||
checkCudaErrors(cudaDeviceSynchronize());
|
||||
|
||||
bool success = checkResult(d_result, threads);
|
||||
|
||||
cudaFree(d_result);
|
||||
|
||||
return success;
|
||||
}
|
||||
|
||||
bool testComplexType(int threads)
|
||||
{
|
||||
int *d_result;
|
||||
cudaMalloc(&d_result, threads * sizeof(int));
|
||||
|
||||
complexVector<<<1, threads>>>(d_result);
|
||||
checkCudaErrors(cudaDeviceSynchronize());
|
||||
|
||||
bool success = checkResult(d_result, threads);
|
||||
|
||||
cudaFree(d_result);
|
||||
|
||||
return success;
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// MAIN
|
||||
//
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
printf("%s Starting...\n\n", sSDKsample);
|
||||
|
||||
// use command-line specified CUDA device, otherwise use device with highest
|
||||
// Gflops/s
|
||||
findCudaDevice(argc, (const char **)argv);
|
||||
|
||||
// set the heap size for device size new/delete to 128 MB
|
||||
checkCudaErrors(cudaDeviceSetLimit(cudaLimitMallocHeapSize, 128 * (1 << 20)));
|
||||
|
||||
Container<int> **d_container;
|
||||
checkCudaErrors(cudaMalloc(&d_container, sizeof(Container<int> **)));
|
||||
|
||||
bool bTest = false;
|
||||
int test_passed = 0;
|
||||
|
||||
printf(" > Container = Vector test ");
|
||||
vectorCreate<<<1, 1>>>(d_container, 128 * 128);
|
||||
bTest = testContainer(d_container, 128, 128);
|
||||
printf(bTest ? "OK\n\n" : "NOT OK\n\n");
|
||||
test_passed += (bTest ? 1 : 0);
|
||||
|
||||
checkCudaErrors(cudaFree(d_container));
|
||||
|
||||
printf(" > Container = Vector, using placement new on SMEM buffer test ");
|
||||
bTest = testPlacementNew(1024);
|
||||
printf(bTest ? "OK\n\n" : "NOT OK\n\n");
|
||||
test_passed += (bTest ? 1 : 0);
|
||||
|
||||
printf(" > Container = Vector, with user defined datatype test ");
|
||||
bTest = testComplexType(1024);
|
||||
printf(bTest ? "OK\n\n" : "NOT OK\n\n");
|
||||
test_passed += (bTest ? 1 : 0);
|
||||
|
||||
printf("Test Summary: %d/3 succesfully run\n", test_passed);
|
||||
|
||||
exit(test_passed == 3 ? EXIT_SUCCESS : EXIT_FAILURE);
|
||||
}
|
||||
Reference in New Issue
Block a user