Runtimeerror distributed package doesnt have nccl built in - Please add a note for "Fit More and Train Faster With ZeRO via DeepSpeed and FairScale" that deepspeed or parallel training is not easy/possible on Windows (10 for me) as nccl is not supported (directly) on windows yet.. After all steps likely you will get this error: RuntimeError: Distributed package doesn't have NCCL built in

 
raise RuntimeError("Distributed package doesn't have NCCL " RuntimeError: Distributed package doesn't have NCCL built in I have installed NCCL library and checked it is working.. Canvas login

Mar 8, 2021 ... [Windows] RuntimeError: Distributed package doesn't have NCCL built in #13. Closed. MohammedAljahdali opened this issue on Mar 8, ... 问题描述:. python在windows环境下dist.init_process_group (backend, rank, world_size)处报错‘RuntimeError: Distributed package doesn’t have NCCL built in’,具体信息如下:. File "D:\Software\Anaconda\Anaconda3\envs\segmenter\lib\site-packages\torch\distributed\distributed_c10d.py", line 531, in init_process_group timeout ... Have a question about this project? ... can't run train in windows 11 as raise "Distributed package doesn't have NCCL built in" #317. Closed RuntimeError: Distributed package doesn't have NCCL built in ...问题描述:. python在windows环境下dist.init_process_group (backend, rank, world_size)处报错‘RuntimeError: Distributed package doesn’t have NCCL built in’,具体信息如下:. File "D:\Software\Anaconda\Anaconda3\envs\segmenter\lib\site-packages\torch\distributed\distributed_c10d.py", line 531, in init_process_group timeout ... I am trying to finetune a ProtGPT-2 model using the following libraries and packages: I am running my scripts in a cluster with SLURM as workload manager and Lmod as environment modul systerm, I also have created a co…Aug 19, 2022 · Hi, nngg11, I'm not sure if this codebase supports training / testing on windows since I have never tried this before. I only use linux-based systems, and I guess there will be some problems if you run training / testing on windows. XML Map Metadata Format for Open Map Sources : A Survey and Overview SCOPUS single package of gLite, UNICORE, ARC and dCache middleware component, which contains an individual distributed environment, was developed through the EMI project of EU FP7 program. raise RuntimeError("Distributed package doesn't have NCCL " "built in") RuntimeError: Distributed package doesn't have NCCL built in. Any help would be greatly appreciated, and I have no problem compensating anyone who can help me solve this issue. ThxMethod 1: Check NCCL Installation and Compatibility. To start, Check that the NCCL library is installed correctly and compatible with your distributed package. Consult the documentation of your distributed package for specific instructions on NCCL installation and compatibility requirements.Have a question about this project? ... can't run train in windows 11 as raise "Distributed package doesn't have NCCL built in" #317. ClosedIt shows the error, “RuntimeError: Distributed package doesn’t have NCCL built in”. Let’s learn about NCCL. The NVIDIA Collective Communication Library (NCCL) implements multi-GPU and multi-node communication primitives optimized for NVIDIA GPUs and Networking. I refer to the below websites to install NVIDIA drivers. Sep 5, 2023 · If you are using NCCL 1.x and want to move to NCCL 2.x, be aware that the APIs have changed slightly. NCCL 2.x supports all of the collectives that NCCL 1.x supports, but with slight modifications to the API. [Solved] mmdetection benchmark.py Error: RuntimeError: Distributed package doesn‘t have NCCL built in; How to Solve RuntimeError: Expected all tensors to be on the same device, but found at least two devices, cpu; linux ubuntu pip search Fault: <Fault -32500: “RuntimeError: PyPI‘s XMLRPC API is currently disabJul 6, 2022 · python.distributedは、Point-to-Point通信や集団通信といった分散処理のAPIを提供しています。これにより、細かな処理をカスタマイズすることが可能です。 通信のbackendとしては、pytorch 1.13時点では、MPI、GLOO、NCCLが選択できます。各backendで利用できる通信関数の一覧は公式ドキュメントに記載されて ... Aug 19, 2022 · Hi, nngg11, I'm not sure if this codebase supports training / testing on windows since I have never tried this before. I only use linux-based systems, and I guess there will be some problems if you run training / testing on windows. python.distributedは、Point-to-Point通信や集団通信といった分散処理のAPIを提供しています。これにより、細かな処理をカスタマイズすることが可能です。 通信のbackendとしては、pytorch 1.13時点では、MPI、GLOO、NCCLが選択できます。各backendで利用できる通信関数の一覧は公式ドキュメントに記載されて ...RuntimeError: Distributed package doesn't have NCCL built in ERROR:torch.distributed.elastic.multiprocessing.api:failed (exitcode: 1) local_rank: 0 (pid: 920468) of binary: C:\Users\User\AppData\Local\Programs\Python\Python310\python.exeSep 10, 2022 · Describe the bug Benchmarking script breaks on Jetson Xavier NX & Jetson TX2 with error message RuntimeError: Distributed package doesn't have NCCL built in ... Jan 13, 2022 · [Solved] mmdetection benchmark.py Error: RuntimeError: Distributed package doesn‘t have NCCL built in; How to Solve RuntimeError: Expected all tensors to be on the same device, but found at least two devices, cpu; linux ubuntu pip search Fault: <Fault -32500: “RuntimeError: PyPI‘s XMLRPC API is currently disab 431 raise RuntimeError("Distributed package doesn't have NCCL " 432 "built in" ) 433 pg = ProcessGroupNCCL(store, rank, world_size, group_name)Check if you already have an NVIDIA driver with nvidia-smi. If you already have the NVIDIA drivers correctly installed, install PyTorch from the official source according to your system. However, I immediately see that you are using Python 3.7, which is not supported with SlowFast.XML Map Metadata Format for Open Map Sources : A Survey and Overview SCOPUS single package of gLite, UNICORE, ARC and dCache middleware component, which contains an individual distributed environment, was developed through the EMI project of EU FP7 program.raise RuntimeError("Distributed package doesn't have NCCL " RuntimeError: Distributed package doesn't have NCCL built in [Solved] Sudo doesn‘t work: “/etc/sudoers is owned by uid 1000, should be 0” [ncclUnhandledCudaError] unhandled cuda error, NCCL version xx.x.x [Solved] Pyinstaller Package and Run Error: RuntimeError: Unable to open/read ui deviceDistributed package doesn't have NCCL built in 问题描述: python在windows环境下dist.init_process_group(backend, rank, world_size)处报错‘RuntimeError: Distributed package doesn’t have NCCL built in’,具体信息如下: File "D:\Software\Anaconda\Anaconda3\envs\segmenter\lib\.问题描述:. python在windows环境下dist.init_process_group (backend, rank, world_size)处报错‘RuntimeError: Distributed package doesn’t have NCCL built in’,具体信息如下:. File "D:\Software\Anaconda\Anaconda3\envs\segmenter\lib\site-packages\torch\distributed\distributed_c10d.py", line 531, in init_process_group timeout ... File “C:\Users\urser\anaconda3\lib\site-packages\torch\distributed\distributed_c10d.py”, line 597, in _new_process_group_helper raise RuntimeError(“Distributed package doesn’t have NCCL ” RuntimeError: Distributed package doesn’t have NCCL built in windows系统下开始训练时如果出现报错RuntimeError: Distributed package doesn't have NCCL built in,请将train.py第60行的dist.init_process_group(backend='nccl', init_method='env://', world_size=n_gpus, rank=rank)改为dist.init_process_group(backend="gloo", init_method='env://', world_size=n_gpus, rank=rank)Distributed package doesn't have NCCL built in问题_StarCap ... 百度出来都是window报错,说:在dist.init_process_group语句之前添加backend='gloo',也就是在windows中使用GLOO替代 ...Sep 10, 2022 · Describe the bug Benchmarking script breaks on Jetson Xavier NX & Jetson TX2 with error message RuntimeError: Distributed package doesn't have NCCL built in ... Learn more » Push, build, and install RubyGems npm packages Python packages Maven artifacts PHP packages Go Modules Bower components Debian packages RPM packages NuGet packages.Apr 30, 2020 · I had to make an nvidia developer account to download nccl. But then it seemed to only provide packages for linux distros. The system with my high-powered GPU isn't running linux, so I think I would have to install Ubuntu in multi-boot to get any further with this. RuntimeError: Distributed package doesn't have NCCL built in. distributed. 27: 9787: August 30, 2023 ... RuntimeError: setStorage: sizes [4096, 4096], strides [1 ...Please don't send emails directly to my mailbox :) Using GitHub issues can help others to know and solve problems. Original Email: Windows don't have NCCL if you can switch to gloo it might do the trick but I have no idea how to do that Jan 8, 2011 · 431 raise RuntimeError("Distributed package doesn't have NCCL " 432 "built in" ) 433 pg = ProcessGroupNCCL(store, rank, world_size, group_name) Sep 23, 2022 · Distributed environment: MULTI_GPU Backend: nccl Num processes: 2 Process index: 1 Local process index: 1 Device: cuda:1 Distributed environment: MULTI_GPU Backend: nccl Num processes: 2 Process index: 0 Local process index: 0 Device: cuda:0 Could you please share what hardware you’re running on and what env? May 8, 2023 · RuntimeError: Distributed package doesn't have NCCL built in #507. Closed elcolie opened this issue May 8, ... RuntimeError: Distributed package doesn't have NCCL ... # See the License for the specific language governing permissions and # limitations under the License. # ===== """comm_helper""" from mindspore.parallel._ps_context import _is_role_pserver, _is_role_sched from._hccl_management import load_lib as hccl_load_lib _HCCL_AVAILABLE = False _NCCL_AVAILABLE = False try: import mindspore._ms_mpi as mpi ...Mar 18, 2021 · failure to initialize NCCL #216. failure to initialize NCCL. #216. Open. metaphorz opened this issue on Mar 18, 2021 · 3 comments. Apr 30, 2020 · I had to make an nvidia developer account to download nccl. But then it seemed to only provide packages for linux distros. The system with my high-powered GPU isn't running linux, so I think I would have to install Ubuntu in multi-boot to get any further with this. May 22, 2021 · When I run source setup.sh && runexp anli-full infobert roberta-large 2e-5 32 128 -1 1000 42 1e-5 5e-3 6 0.1 0 4e-2 8e-2 0 3 5e-3 0.5 0.9 as specified in the README in the ANLI directory, I encounter a RuntimeError: Distributed package doesn't have NCCL built in message. amogkam changed the title RuntimeError: Distributed package doesn't have NCCL built in [Windows] RuntimeError: Distributed package doesn't have NCCL built in on Feb 15, 2022XML Map Metadata Format for Open Map Sources : A Survey and Overview SCOPUS single package of gLite, UNICORE, ARC and dCache middleware component, which contains an individual distributed environment, was developed through the EMI project of EU FP7 program.# See the License for the specific language governing permissions and # limitations under the License. # ===== """comm_helper""" from mindspore.parallel._ps_context import _is_role_pserver, _is_role_sched from._hccl_management import load_lib as hccl_load_lib _HCCL_AVAILABLE = False _NCCL_AVAILABLE = False try: import mindspore._ms_mpi as mpi ... Aug 23, 2023 · However, you still didn’t answer why you want to use NCCL in the first place with a single GPU? bahadir_kulavuz (bahadır kulavuz) August 23, 2023, 12:31pm 5 It shows the error, “RuntimeError: Distributed package doesn’t have NCCL built in”. Let’s learn about NCCL. The NVIDIA Collective Communication Library (NCCL) implements multi-GPU and multi-node communication primitives optimized for NVIDIA GPUs and Networking. I refer to the below websites to install NVIDIA drivers.Feb 7, 2022 · File "C:\Users\janice\anaconda3\envs\covnet\lib\site-packages\torch\distributed\distributed_c10d.py", line 597, in _new_process_group_helper raise RuntimeError("Distributed package doesn't have NCCL "RuntimeError: Distributed package doesn't have NCCL built in Killing subprocess 14712 Traceback (most recent call last): [Solved] mmdetection benchmark.py Error: RuntimeError: Distributed package doesn‘t have NCCL built in; How to Solve RuntimeError: Expected all tensors to be on the same device, but found at least two devices, cpu; linux ubuntu pip search Fault: <Fault -32500: “RuntimeError: PyPI‘s XMLRPC API is currently disabSep 23, 2022 · Distributed environment: MULTI_GPU Backend: nccl Num processes: 2 Process index: 1 Local process index: 1 Device: cuda:1 Distributed environment: MULTI_GPU Backend: nccl Num processes: 2 Process index: 0 Local process index: 0 Device: cuda:0 Could you please share what hardware you’re running on and what env? Hi, thanks for taking time and mentioning these useful tips . I am very sorry for the late reply cause I was checking my computer and source code.raise RuntimeError("Distributed package doesn't have NCCL " "built in") RuntimeError: Distributed package doesn't have NCCL built in The text was updated successfully, but these errors were encountered:The Longer Version. PyTorch comes with a simple distributed package and guide that supports multiple backends such as TCP, MPI, and Gloo. The following is a quick tutorial to get you set up with ...Distributed package doesn't have NCCL built in问题_StarCap ... 百度出来都是window报错,说:在dist.init_process_group语句之前添加backend='gloo',也就是在windows中使用GLOO替代 ...RuntimeError: Distributed package doesn't have NCCL built in #6. RuntimeError: Distributed package doesn't have NCCL built in. #6. Open. juntao66 opened this issue on May 1, 2021 · 4 comments.Method 1: Check NCCL Installation and Compatibility. To start, Check that the NCCL library is installed correctly and compatible with your distributed package. Consult the documentation of your distributed package for specific instructions on NCCL installation and compatibility requirements.RuntimeError: Distributed package doesn't have NCCL built in During handling of the above exception, another exception occurred: Traceback (most recent call last):As you mentioned that pytorch has NCCL precompiled and both nodes use the same version of NCCL. Does that mean NCCL version is not the problem? Did you notice this “misc/ibvwrap.cc:252 NCCL WARN Call to ibv_reg_mr failed” in the logs. I tried to build torch from source, I hit another roadblock there as well.问题描述:. python在windows环境下dist.init_process_group (backend, rank, world_size)处报错‘RuntimeError: Distributed package doesn’t have NCCL built in’,具体信息如下:. File "D:\Software\Anaconda\Anaconda3\envs\segmenter\lib\site-packages\torch\distributed\distributed_c10d.py", line 531, in init_process_group timeout ... [Solved] RuntimeError: Error(s) in loading state_dict for BertForTokenClassification [Solved] mmdetection benchmark.py Error: RuntimeError: Distributed package doesn‘t have NCCL built in [Solved] RuntimeError: a view of a leaf Variable that requires grad is being used in an in-placeDescribe the bug Benchmarking script breaks on Jetson Xavier NX & Jetson TX2 with error message RuntimeError: Distributed package doesn't have NCCL built in ...PyTorch distributed package supports Linux (stable), MacOS (stable), and Windows (prototype). By default for Linux, the Gloo and NCCL backends are built and included in PyTorch distributed (NCCL only when building with CUDA). MPI is an optional backend that can only be included if you build PyTorch from source. PyTorchのCUDAプログラミングに絞って並列処理を見てみる。. なお、 CPU側の並列処理は別資料に記載済みである 。. ここでは、. C++の拡張仕様であるCUDAの基礎知識. カーネルレベルの並列処理. add関数の実装. im2col関数の実装. ストリームレベルの並列処理 ... Windows doesn't support NCCL as a backend. Therefore, if you are working on Windows and encounter this issue, you can resolve it by following these instructions. One of the ways is that you add this to your main Python script. Dec 3, 2020 · The multiprocessing and distributed confusing me a lot when I’m reading some code. #the main function to enter def main_worker (rank,cfg): trainer=Train (rank,cfg) if __name__=='_main__': torch.mp.spawn (main_worker,nprocs=cfg.gpus,args= (cfg,)) #here is a slice of Train class class Train (): def __init__ (self,rank,cfg): #nothing special if ... File “C:\Users\urser\anaconda3\lib\site-packages\torch\distributed\distributed_c10d.py”, line 597, in _new_process_group_helper raise RuntimeError(“Distributed package doesn’t have NCCL ” RuntimeError: Distributed package doesn’t have NCCL built inAug 9, 2023 · I am trying to use multi-gpu distributed training on a model using the Accelerate library. I have already setup my congifs using accelerate config and am using accelerate launch train.py but I keep getting the following errors: raise RuntimeError("Distributed package doesn't have NCCL " "built in") RuntimeError: Distributed package doesn't have NCCL built in ERROR:torch.distributed.elastic ... Dec 8, 2021 · raise RuntimeError("Distributed package doesn't have NCCL " RuntimeError: Distributed package doesn't have NCCL built in And when I print following option in python, it shows Mar 8, 2021 ... [Windows] RuntimeError: Distributed package doesn't have NCCL built in #13. Closed. MohammedAljahdali opened this issue on Mar 8, ...I am trying to use two gpus on my windows machine, but I keep getting raise RuntimeError("Distributed package doesn't have NCCL " "built in") RuntimeError: Distributed package doesn't have NCCL built in I am still new to pytorch and couldnt really find a way of setting the backend to ‘gloo’. I followed this link by setting the following but still no luck. As NLCC is not available on ...Mar 14, 2022 · Stuck on an issue? Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. It collects links to all the places you might be looking at while hunting down a tough bug. [Solved] RuntimeError: Error(s) in loading state_dict for BertForTokenClassification [Solved] mmdetection benchmark.py Error: RuntimeError: Distributed package doesn‘t have NCCL built in [Solved] RuntimeError: a view of a leaf Variable that requires grad is being used in an in-placeI am trying to send a PyTorch tensor from one machine to another with torch.distributed. The dist.init_process_group function works properly. However, there is a connection failure in the dist.broa...raise RuntimeError("Distributed package doesn't have NCCL " "built in") RuntimeError: Distributed package doesn't have NCCL built in The text was updated successfully, but these errors were encountered:Release Notes. This document describes the key features, software enhancements and improvements, and known issues for NCCL 2.18.3. The NVIDIA Collective Communications Library (NCCL) (pronounced “Nickel”) is a library of multi-GPU collective communication primitives that are topology-aware and can be easily integrated into applications.[Solved] Sudo doesn‘t work: “/etc/sudoers is owned by uid 1000, should be 0” [ncclUnhandledCudaError] unhandled cuda error, NCCL version xx.x.x [Solved] Pyinstaller Package and Run Error: RuntimeError: Unable to open/read ui deviceI am trying to run a simple training script using HF's transformers library and am running into the error `Distributed package doesn't have nccl built in` error. Runtime: DBR 13.0 ML - SPark 3.4.0 - Scala 2.12. Driver: i3.xlarge - 4 cores. Note: This is a CPU instanceI wanted to use a model I found on github to run inferences. But the problem is in the main file they used distributed training to train on multiple gpus and I have only 1. world_size = torch.distributed.get_world_size () torch.cuda.set_device (args.local_rank) args.world_size = world_size rank = torch.distributed.get_rank () args.rank = rank.Mar 17, 2020 · 2- When I initialize the environment just like training process and then load the model, I get this error: “Distributed package doesn’t have NCCL built in” I can run this code on my machine totally fine, but I cannot load it in another machine. RuntimeError: Distributed package doesn't have NCCL built in ERROR:torch.distributed.elastic.multiprocessing.api:failed (exitcode: 1) local_rank: 0 (pid: 920468) of binary: C:\Users\User\AppData\Local\Programs\Python\Python310\python.exeMay 12, 2023 · Method 2: Check NCCL Configuration. Check the configuration of your NCCL library and make sure that it is properly integrated with your distributed package. Review the environment variables and paths associated with the NCCL library and update them if necessary. You can monitor any additional configuration steps outlined in the documentation of ... Google colab: RuntimeError: input must be a CUDA tensor; check whether put the tensor to GPU. from gfpgan. xinntao commented on September 6, 2023 . I have not tried on Windows for training. It seems that you have not installed NCCL or you have installed a pytorch version that does not build with nccl.Aug 9, 2021 · It seems that you have not installed NCCL or you have installed a pytorch version that does not build with nccl. BTW, if you only have one GPU, you may not use distributed training. All reactions File "C:\Users\janice\anaconda3\envs\covnet\lib\site-packages\torch\distributed\distributed_c10d.py", line 597, in _new_process_group_helper raise RuntimeError("Distributed package doesn't have NCCL "RuntimeError: Distributed package doesn't have NCCL built in Killing subprocess 14712 Traceback (most recent call last):RuntimeError: Distributed package doesn't have NCCL built in ERROR:torch.distributed.elastic.multiprocessing.api:failed (exitcode: 1) local_rank: 0 (pid: 920468) of binary: C:\Users\User\AppData\Local\Programs\Python\Python310\python.exeRelease Notes. This document describes the key features, software enhancements and improvements, and known issues for NCCL 2.18.3. The NVIDIA Collective Communications Library (NCCL) (pronounced “Nickel”) is a library of multi-GPU collective communication primitives that are topology-aware and can be easily integrated into applications.

File “C:\Users\urser\anaconda3\lib\site-packages\torch\distributed\distributed_c10d.py”, line 597, in _new_process_group_helper raise RuntimeError(“Distributed package doesn’t have NCCL ” RuntimeError: Distributed package doesn’t have NCCL built in. File doesn

runtimeerror distributed package doesnt have nccl built in

According to gpt4, I believe the underlying cause is that I don't have CUDA installed on my macbook. This implies we can't run the training on a macbook, as CUDA is an API for NVIDIA GPUs only. Would love to hear some feedback from the maintainers!Sep 23, 2022 · Distributed environment: MULTI_GPU Backend: nccl Num processes: 2 Process index: 1 Local process index: 1 Device: cuda:1 Distributed environment: MULTI_GPU Backend: nccl Num processes: 2 Process index: 0 Local process index: 0 Device: cuda:0 Could you please share what hardware you’re running on and what env? RuntimeError: Distributed package doesn't have NCCL built in. distributed. 27: 9787: August 30, 2023 ... RuntimeError: setStorage: sizes [4096, 4096], strides [1 ...RuntimeError: Distributed package doesn't have NCCL built in #722. Open jclega opened this issue Aug 26, ... ("Distributed package doesn't have NCCL " "built in")Nov 1, 2018 · raise RuntimeError("Distributed package doesn't have NCCL "RuntimeError: Distributed package doesn't have NCCL built in. To Reproduce. I install pytorch from the source v1.0rc1, getting the config summary as follows: USE_NCCL is On, Private Dependencies does not include nccl, nccl is not built-in.-- ***** Summary *****-- General: When I run source setup.sh && runexp anli-full infobert roberta-large 2e-5 32 128 -1 1000 42 1e-5 5e-3 6 0.1 0 4e-2 8e-2 0 3 5e-3 0.5 0.9 as specified in the README in the ANLI directory, I encounter a RuntimeError: Distributed package doesn't have NCCL built in message.{"payload":{"allShortcutsEnabled":false,"fileTree":{"torch/distributed":{"items":[{"name":"_composable","path":"torch/distributed/_composable","contentType ...Oct 9, 2022 · Googling for a solution it seems that Python under Windows does not support NCCL (see e.g. this post). The recomendation is to switch from NCCL to GLOO. The recomendation is to switch from NCCL to GLOO. raise RuntimeError("Distributed package doesn't have NCCL " "built in") RuntimeError: Distributed package doesn't have NCCL built in. Any help would be greatly appreciated, and I have no problem compensating anyone who can help me solve this issue. ThxRuntimeError: Distributed package doesn't have NCCL built in #722. Open jclega opened this issue Aug 26, ... ("Distributed package doesn't have NCCL " "built in")Feb 7, 2022 · File "C:\Users\janice\anaconda3\envs\covnet\lib\site-packages\torch\distributed\distributed_c10d.py", line 597, in _new_process_group_helper raise RuntimeError("Distributed package doesn't have NCCL "RuntimeError: Distributed package doesn't have NCCL built in Killing subprocess 14712 Traceback (most recent call last): If you are using NCCL 1.x and want to move to NCCL 2.x, be aware that the APIs have changed slightly. NCCL 2.x supports all of the collectives that NCCL 1.x supports, but with slight modifications to the API.When I run source setup.sh && runexp anli-full infobert roberta-large 2e-5 32 128 -1 1000 42 1e-5 5e-3 6 0.1 0 4e-2 8e-2 0 3 5e-3 0.5 0.9 as specified in the README in the ANLI directory, I encounter a RuntimeError: Distributed package doesn't have NCCL built in message.RuntimeError: Distributed package doesn't have NCCL built in. distributed. 27: 9787: August 30, 2023 ... RuntimeError: setStorage: sizes [4096, 4096], strides [1 ...RuntimeError: Distributed package doesn't have NCCL built in ...Googling for a solution it seems that Python under Windows does not support NCCL (see e.g. this post). The recomendation is to switch from NCCL to GLOO. The recomendation is to switch from NCCL to GLOO..

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