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## Are You Ready to ROCK?
The ROCm Platform brings a rich foundation to advanced computing by seamlessly
integrating the CPU and GPU with the goal of solving real-world problems.
# AMD ROCm Release Notes v3.8.0
On April 25th, 2016, we delivered ROCm 1.0 built around three pillars:
This page describes the features, fixed issues, and information about downloading and installing the ROCm software.
It also covers known issues in this release.
- [Supported Operating Systems and Documentation Updates](#Supported-Operating-Systems-and-Documentation-Updates)
* [Supported Operating Systems](#Supported-Operating-Systems)
* [AMD ROCm Documentation Updates](#AMD-ROCm-Documentation-Updates)
1) Open Heterogeneous Computing Platform (Linux Driver and Runtime Stack),
optimized for HPC & Ultra-scale class computing;
- [What\'s New in This Release](#Whats-New-in-This-Release)
* [Hipfort-Interface for GPU Kernel Libraries](#Hipfort-Interface-for-GPU-Kernel-Libraries)
* [ROCm Data Center Tool](#ROCm-Data-Center-Tool)
* [Error-Correcting Code Fields in ROCm Data Center Tool](#Error-Correcting-Code-Fields-in-ROCm-Data-Center-Tool)
* [Static Linking Libraries](#Static-Linking-Libraries)
- [Fixed Defects](#Fixed-Defects)
- [Known Issues](#Known-Issues)
- [Deploying ROCm](#Deploying-ROCm)
- [Hardware and Software Support](#Hardware-and-Software-Support)
- [Machine Learning and High Performance Computing Software Stack for AMD GPU](#Machine-Learning-and-High-Performance-Computing-Software-Stack-for-AMD-GPU)
* [ROCm Binary Package Structure](#ROCm-Binary-Package-Structure)
* [ROCm Platform Packages](#ROCm-Platform-Packages)
# Supported Operating Systems
## Support for Vega 7nm Workstation
This release extends support to the Vega 7nm Workstation (Vega20 GL-XE) version.
## List of Supported Operating Systems
The AMD ROCm platform is designed to support the following operating systems:
* Ubuntu 20.04 (5.4 and 5.6-oem) and 18.04.5 (Kernel 5.4)
* CentOS 7.8 & RHEL 7.8 (Kernel 3.10.0-1127) (Using devtoolset-7 runtime support)
* CentOS 8.2 & RHEL 8.2 (Kernel 4.18.0 ) (devtoolset is not required)
* SLES 15 SP1
## Fresh Installation of AMD ROCm v3.8 Recommended
A fresh and clean installation of AMD ROCm v3.8 is recommended. An upgrade from previous releases to AMD ROCm v3.8 is not supported.
For more information, refer to the AMD ROCm Installation Guide at:
https://rocmdocs.amd.com/en/latest/Installation_Guide/Installation-Guide.html
**Note**: AMD ROCm release v3.3 or prior releases are not fully compatible with AMD ROCm v3.5 and higher versions. You must perform a fresh ROCm installation if you want to upgrade from AMD ROCm v3.3 or older to 3.5 or higher versions and vice-versa.
**Note**: *render group* is required only for Ubuntu v20.04. For all other ROCm supported operating systems, continue to use *video group*.
* For ROCm v3.5 and releases thereafter,the *clinfo* path is changed to - */opt/rocm/opencl/bin/clinfo*.
* For ROCm v3.3 and older releases, the *clinfo* path remains unchanged - */opt/rocm/opencl/bin/x86_64/clinfo*.
# AMD ROCm Documentation Updates
## AMD ROCm Installation Guide
The AMD ROCm Installation Guide in this release includes:
* Updated Supported Environments
* HIP Installation Instructions
* Tensorflow ROCm Port: Basic Installations on RHEL v8.2
https://rocmdocs.amd.com/en/latest/Installation_Guide/Installation-Guide.html
## AMD ROCm - HIP Documentation Updates
* HIP Repository Information
For more information, see
https://rocmdocs.amd.com/en/latest/Programming_Guides/Programming-Guides.html#hip-repository-information
## ROCm Data Center Tool User Guide
* Error-Correction Codes Field and Output Documentation
For more information, refer to the AMD ROCm Data Center User Guide at
https://github.com/RadeonOpenCompute/ROCm/blob/master/AMD_ROCm_DataCenter_Tool_User_Guide.pdf
## General AMD ROCm Documentation Links
Access the following links for more information:
* For AMD ROCm documentation, see
https://rocmdocs.amd.com/en/latest/
* For installation instructions on supped platforms, see
https://rocmdocs.amd.com/en/latest/Installation_Guide/Installation-Guide.html
* For AMD ROCm binary structure, see
https://rocmdocs.amd.com/en/latest/Installation_Guide/Installation-Guide.html#build-amd-rocm
* For AMD ROCm Release History, see
https://rocmdocs.amd.com/en/latest/Installation_Guide/Installation-Guide.html#amd-rocm-version-history
# What\'s New in This Release
## Hipfort-Interface for GPU Kernel Libraries
Hipfort is an interface library for accessing GPU Kernels. It provides support to the AMD ROCm architecture from within the Fortran programming language. Currently, the gfortran and HIP-Clang compilers support hipfort. Note, the gfortran compiler belongs to the GNU Compiler Collection (GCC). While hipfc wrapper calls hipcc for the non-fortran kernel source, gfortran is used for FORTRAN applications that call GPU kernels.
The hipfort interface library is meant for Fortran developers with a focus on gfortran users.
For information on HIPFort installation and examples, see
https://github.com/ROCmSoftwarePlatform/hipfort
## ROCm Data Center Tool
The ROCm™ Data Center Tool™ simplifies the administration and addresses key infrastructure challenges in AMD GPUs in cluster and datacenter environments. The important features of this tool are:
* GPU telemetry
* GPU statistics for jobs
* Integration with third-party tools
* Open source
The ROCm Data Center Tool can be used in the standalone mode if all components are installed. The same set of features is also available in a library format that can be used by existing management tools.
![ScreenShot](https://github.com/Rmalavally/ROCm/blob/master/RDCComponentsrevised.png)
Refer to the ROCm Data Center Tool™ User Guide for more details on the different modes of operation.
NOTE: The ROCm Data Center User Guide is intended to provide an overview of ROCm Data Center Tool features and how system administrators and Data Center (or HPC) users can administer and configure AMD GPUs. The guide also provides an overview of its components and open source developer handbook.
For installation information on different distributions, refer to the ROCm Data Center User Guide at
https://github.com/RadeonOpenCompute/ROCm/blob/master/AMD_ROCm_DataCenter_Tool_User_Guide.pdf
### Error Correcting Code Fields in ROCm Data Center Tool
The ROCm Data Center (RDC) tool is enhanced to provide counters to track correctable and uncorrectable errors. While a single bit per word error can be corrected, double bit per word errors cannot be corrected.
The RDC tool now helps monitor and protect undetected memory data corruption. If the system is using ECC- enabled memory, the ROCm Data Center tool can report the error counters to monitor the status of the memory.
![ScreenShot](https://github.com/Rmalavally/ROCm/blob/master/forweb.PNG)
## Static Linking Libraries
The underlying libraries of AMD ROCm are dynamic and are called shared objects (.so) in Linux.
The AMD ROCm v3.8 release includes the capability to build static ROCm libraries and link to the applications statically. CMake target files enable linking an application statically to ROCm libraries and each component exports the required dependencies for linking. The static libraries are called Archives (.a) in Linux.
This release also comprises of the requisite changes required for all the components to work in a static environment. The components have been successfully tested for basic functionalities like *rocminfo /rocm_bandwidth_test* and archives.
In the AMD ROCm v3.8 release, the following libraries support static linking:
![ScreenShot](https://github.com/Rmalavally/ROCm/blob/master/staticlinkinglib.PNG)
# Fixed Defects
The following defects are fixed in this release:
* GPU Kernel C++ Names Not Demangled
* MIGraphX Fails for fp16 Datatype
* Issue with Peer-to-Peer Transfers
* rocprof option --parallel-kernels Not Supported in this Release
# Known Issues
## Undefined Reference Issue in Statically Linked Libraries
Libraries and applications statically linked using flags -rtlib=compiler-rt, such as rocBLAS, have an implicit dependency on gcc_s not captured in their CMAKE configuration.
Client applications may require linking with an additional library -lgcc_s to resolve the undefined reference to symbol '_Unwind_Resume@@GCC_3.0'.
## MIGraphX Pooling Operation Fails for Some Models
MIGraphX does not work for some models with pooling operations and the following error appears:
*test_gpu_ops_test FAILED*
This issue is currently under investigation and there is no known workaround currently.
## MIVisionX Installation Error on CentOS/RHEL8.2 and SLES 15
Installing ROCm on MIVisionX results in the following error on CentOS/RHEL8.2 and SLES 15:
*"Problem: nothing provides opencv needed"*
As a workaround, install opencv before installing MIVisionX.
# Deploying ROCm
AMD hosts both Debian and RPM repositories for the ROCm v3.8.x packages.
For more information on ROCM installation on all platforms, see
https://rocmdocs.amd.com/en/latest/Installation_Guide/Installation-Guide.html
# Hardware and Software Support
ROCm is focused on using AMD GPUs to accelerate computational tasks such as machine learning, engineering workloads, and scientific computing.
In order to focus our development efforts on these domains of interest, ROCm supports a targeted set of hardware configurations which are detailed further in this section.
#### Supported GPUs
Because the ROCm Platform has a focus on particular computational domains, we offer official support for a selection of AMD GPUs that are designed to offer good performance and price in these domains.
ROCm officially supports AMD GPUs that use following chips:
* GFX8 GPUs
* "Fiji" chips, such as on the AMD Radeon R9 Fury X and Radeon Instinct MI8
* "Polaris 10" chips, such as on the AMD Radeon RX 580 and Radeon Instinct MI6
* GFX9 GPUs
* "Vega 10" chips, such as on the AMD Radeon RX Vega 64 and Radeon Instinct MI25
* "Vega 7nm" chips, such as on the Radeon Instinct MI50, Radeon Instinct MI60 or AMD Radeon VII
ROCm is a collection of software ranging from drivers and runtimes to libraries and developer tools.
Some of this software may work with more GPUs than the "officially supported" list above, though AMD does not make any official claims of support for these devices on the ROCm software platform.
The following list of GPUs are enabled in the ROCm software, though full support is not guaranteed:
* GFX8 GPUs
* "Polaris 11" chips, such as on the AMD Radeon RX 570 and Radeon Pro WX 4100
* "Polaris 12" chips, such as on the AMD Radeon RX 550 and Radeon RX 540
* GFX7 GPUs
* "Hawaii" chips, such as the AMD Radeon R9 390X and FirePro W9100
As described in the next section, GFX8 GPUs require PCI Express 3.0 (PCIe 3.0) with support for PCIe atomics. This requires both CPU and motherboard support. GFX9 GPUs require PCIe 3.0 with support for PCIe atomics by default, but they can operate in most cases without this capability.
The integrated GPUs in AMD APUs are not officially supported targets for ROCm.
As described [below](#limited-support), "Carrizo", "Bristol Ridge", and "Raven Ridge" APUs are enabled in our upstream drivers and the ROCm OpenCL runtime.
However, they are not enabled in the HIP runtime, and may not work due to motherboard or OEM hardware limitations.
As such, they are not yet officially supported targets for ROCm.
For a more detailed list of hardware support, please see [the following documentation](https://rocm.github.io/hardware.html).
2) Heterogeneous C and C++ Single Source Compiler, to approach computation
holistically, on a system level, rather than as a discrete GPU artifact;
3) HIP, acknowledging the need for freedom of choice when it comes to platforms
and APIs for GPU computing.
Using our knowledge of the HSA Standards and, more importantly, the HSA
Runtime, we have been able to successfully extended support to the dGPU with
critical features for accelerating NUMA computation. As a result, the ROCK
driver is composed of several components based on our efforts to develop the
Heterogeneous System Architecture for APUs, including the new AMDGPU driver,
the Kernel Fusion Driver (KFD), the HSA+ Runtime and an LLVM based compilation
stack which provides support for key languages. This support starts with AMDs
Fiji family of dGPUs, and has expanded to include the Hawaii dGPU family in ROCm
1.2. ROCm 1.3 further extends support to include the Polaris family of ASICs.
#### Supported CPUs
As described above, GFX8 GPUs require PCIe 3.0 with PCIe atomics in order to run ROCm.
In particular, the CPU and every active PCIe point between the CPU and GPU require support for PCIe 3.0 and PCIe atomics.
The CPU root must indicate PCIe AtomicOp Completion capabilities and any intermediate switch must indicate PCIe AtomicOp Routing capabilities.
The ROCm Platform leverages PCIe Atomics (Fetch ADD, Compare and SWAP,
Unconditional SWAP, AtomicsOpCompletion).
[PCIe atomics](https://github.com/RadeonOpenCompute/RadeonOpenCompute.github.io/blob/master/ROCmPCIeFeatures.md)
are only supported on PCIe Gen3 Enabled CPUs and PCIe Gen3 Switches like
Broadcom PLX. When you install your GPUs make sure you install them in a fully
PCIe Gen3 x16 or x8 slot attached either directly to the CPU's Root I/O
controller or via a PCIe switch directly attached to the CPU's Root I/O
controller. In our experience many issues stem from trying to use consumer
motherboards which provide Physical x16 Connectors that are electrically
connected as e.g. PCIe Gen2 x4. This typically occurs when connecting via the
Southbridge PCIe I/O controller. If you motherboard is part of this category,
please do not use this connector for your GPUs, if you intend to exploit ROCm.
Current CPUs which support PCIe Gen3 + PCIe Atomics are:
* AMD Ryzen CPUs
* The CPUs in AMD Ryzen APUs
* AMD Ryzen Threadripper CPUs
* AMD EPYC CPUs
* Intel Xeon E7 v3 or newer CPUs
* Intel Xeon E5 v3 or newer CPUs
* Intel Xeon E3 v3 or newer CPUs
* Intel Core i7 v4, Core i5 v4, Core i3 v4 or newer CPUs (i.e. Haswell family or newer)
* Some Ivy Bridge-E systems
Our GFX8 GPU's (Fiji & Polaris Family) use PCIe Gen 3 and PCIe Atomics.
Beginning with ROCm 1.8, GFX9 GPUs (such as Vega 10) no longer require PCIe atomics.
We have similarly opened up more options for number of PCIe lanes.
GFX9 GPUs can now be run on CPUs without PCIe atomics and on older PCIe generations, such as PCIe 2.0.
This is not supported on GPUs below GFX9, e.g. GFX8 cards in the Fiji and Polaris families.
Current CPUs which support PCIe Gen3 + PCIe Atomics are:
* Intel Xeon E5 v3 or newer CPUs;
* Intel Xeon E3 v3 or newer CPUs;
* Intel Core i7 v4, Core i5 v4, Core i3 v4 or newer CPUs (i.e. Haswell family or newer).
* AMD Ryzen CPUs;
Upcoming CPUs which will support PCIe Gen3 + PCIe Atomics are:
* AMD Naples Server CPUs;
* Cavium Thunder X Server Processor.
If you are using any PCIe switches in your system, please note that PCIe Atomics are only supported on some switches, such as Broadcom PLX.
When you install your GPUs, make sure you install them in a PCIe 3.1.0 x16, x8, x4, or x1 slot attached either directly to the CPU's Root I/O controller or via a PCIe switch directly attached to the CPU's Root I/O controller.
Our GFX7 GPUs Radeon R9 290, R9 390, AMD FirePro S9150, S9170 do not support or
take advantage of PCIe Atomics. However, we still recommend that you use a CPU
from the list provided above.
In our experience, many issues stem from trying to use consumer motherboards which provide physical x16 connectors that are electrically connected as e.g. PCIe 2.0 x4, PCIe slots connected via the Southbridge PCIe I/O controller, or PCIe slots connected through a PCIe switch that does
not support PCIe atomics.
#### Not supported or very limited support under ROCm
* We do not support ROCm with PCIe Gen 2 enabled CPUs such as the AMD Opteron,
Phenom, Phenom II, Athlon, Athlon X2, Athlon II and Older Intel Xeon and Intel
Core Architecture and Pentium CPUs.
* We also do not support AMD Carrizo and Kaveri APU as host for compliant dGPU
attachments.
* Thunderbolt 1 and 2 enabled GPU's are not supported by ROCm. Thunderbolt 1 & 2
are PCIe Gen2 based.
* AMD Carrizo based APUs have limited support due to OEM & ODM's choices when it
comes to some key configuration parameters. On point, we have observed that
Carrizo Laptops, AIOs and Desktop systems showed inconsistencies in exposing and
enabling the System BIOS parameters required by the ROCm stack. Before
purchasing a Carrizo system for ROCm, please verify that the BIOS provides an
option for enabling IOMMUv2. If this is the case, the final requirement is
associated with correct CRAT table support - please inquire with the OEM about
the latter.
* AMD Merlin/Falcon Embedded System is also not currently supported by the public Repo.
If you attempt to run ROCm on a system without proper PCIe atomic support, you may see an error in the kernel log (`dmesg`):
#### Support for future APUs
We are well aware of the excitement and anticipation built around using ROCm
with an APU system which fully exposes Shared Virtual Memory alongside and cache
coherency between the CPU and GPU. To this end, in mid 2017 we plan on testing
commercial AM4 motherboards for the Bristol Ridge and Raven Ridge families of
APUs. Just like you, we still waiting for access to them! Once we have the first
boards in the lab we will detail our experiences via our blog, as well as build
a list of motherboard that are qualified for use with ROCm.
### New Features to ROCm
#### Developer preview of the new OpenCL 1.2 compatible language runtime and compiler
* OpenCL 2.0 compatible kernel language support with OpenCL 1.2 compatible
runtime
* Supports offline ahead of time compilation today;
during the Beta phase we will add in-process/in-memory compilation.
* Binary Package support for Ubuntu 16.04 and Fedora 24
* Dropping binary package support for Ubuntu 14.04 and Fedora 23
#### IPC support
### The latest ROCm platform - ROCm 1.5
The latest tested version of the drivers, tools, libraries and source code for
the ROCm platform have been released and are available under the roc-1.5.0 or rocm-1.5.0 tag
of the following GitHub repositories:
* [ROCK-Kernel-Driver](https://github.com/RadeonOpenCompute/ROCK-Kernel-Driver/tree/roc-1.5.0)
* [ROCR-Runtime](https://github.com/RadeonOpenCompute/ROCR-Runtime/tree/roc-1.5.0)
* [ROCT-Thunk-Interface](https://github.com/RadeonOpenCompute/ROCT-Thunk-Interface/tree/roc-1.5.0)
* [ROC-smi](https://github.com/RadeonOpenCompute/ROC-smi/tree/roc-1.5.0)
* [HCC compiler](https://github.com/RadeonOpenCompute/hcc/tree/rocm-1.5.0)
* [compiler-runtime](https://github.com/RadeonOpenCompute/compiler-rt/tree/rocm-1.5.0)
* [HIP](https://github.com/GPUOpen-ProfessionalCompute-Tools/HIP/tree/roc-1.5.0)
* [HIP-Examples](https://github.com/GPUOpen-ProfessionalCompute-Tools/HIP-Examples/tree/roc-1.5.0)
* [atmi](https://github.com/RadeonOpenCompute/atmi/tree/0.3.7)
Additionally, the following mirror repositories that support the HCC compiler
are also available on GitHub, and frozen for the rocm-1.5.0 release:
* [llvm](https://github.com/RadeonOpenCompute/llvm/tree/rocm-1.5.0)
* [lld](https://github.com/RadeonOpenCompute/lld/tree/rocm-1.5.0)
* [hcc-clang-upgrade](https://github.com/RadeonOpenCompute/hcc-clang-upgrade/tree/rocm-1.5.0)
* [ROCm-Device-Libs](https://github.com/RadeonOpenCompute/ROCm-Device-Libs/tree/rocm-1.5.0)
#### Supported Operating Systems
The ROCm platform has been tested on the following operating systems:
* Ubuntu 16.04
* Fedora 24 (Hawaii based GPUs, i.e. Radeon R9 290, R9 390, AMD FirePro S9150, S9170, are not supported)
### Installing from AMD ROCm repositories
AMD is hosting both debian and rpm repositories for the ROCm 1.5 packages. The
packages in the Debian repository have been signed to ensure package integrity.
Directions for each repository are given below:
#### Debian repository - apt-get
##### Add the ROCm apt repository
For Debian based systems, like Ubuntu, configure the Debian ROCm repository as
follows:
```shell
wget -qO - http://packages.amd.com/rocm/apt/debian/rocm.gpg.key | sudo apt-key add -
sudo sh -c 'echo deb [arch=amd64] http://packages.amd.com/rocm/apt/debian/ xenial main > /etc/apt/sources.list.d/rocm.list'
```
kfd: skipped device 1002:7300, PCI rejects atomics
The gpg key might change, so it may need to be updated when installing a new
release.
##### Install or Update
Next, update the apt-get repository list and install/update the rocm package:
>**Warning**: Before proceeding, make sure to completely
>[uninstall any pre-release ROCm packages](https://github.com/RadeonOpenCompute/ROCm#removing-pre-release-packages):
```shell
sudo apt-get update
sudo apt-get install rocm
```
Then, make the ROCm kernel your default kernel. If using grub2 as your
bootloader, you can edit the `GRUB_DEFAULT` variable in the following file:
```shell
sudo vi /etc/default/grub
sudo update-grub
```
Experimental support for our Hawaii (GFX7) GPUs (Radeon R9 290, R9 390, FirePro W9100, S9150, S9170)
does not require or take advantage of PCIe Atomics. However, we still recommend that you use a CPU
from the list provided above for compatibility purposes.
Once complete, reboot your system.
#### Not supported or limited support under ROCm
We recommend you [verify your installation](https://github.com/RadeonOpenCompute/ROCm#verify-installation) to make sure everything completed successfully.
##### Limited support
#### To install ROCm with Developer Preview of OpenCL
* ROCm 2.9.x should support PCIe 2.0 enabled CPUs such as the AMD Opteron, Phenom, Phenom II, Athlon, Athlon X2, Athlon II and older Intel Xeon and Intel Core Architecture and Pentium CPUs. However, we have done very limited testing on these configurations, since our test farm has been catering to CPUs listed above. This is where we need community support. _If you find problems on such setups, please report these issues_.
* Thunderbolt 1, 2, and 3 enabled breakout boxes should now be able to work with ROCm. Thunderbolt 1 and 2 are PCIe 2.0 based, and thus are only supported with GPUs that do not require PCIe 3.1.0 atomics (e.g. Vega 10). However, we have done no testing on this configuration and would need community support due to limited access to this type of equipment.
* AMD "Carrizo" and "Bristol Ridge" APUs are enabled to run OpenCL, but do not yet support HIP or our libraries built on top of these compilers and runtimes.
* As of ROCm 2.1, "Carrizo" and "Bristol Ridge" require the use of upstream kernel drivers.
* In addition, various "Carrizo" and "Bristol Ridge" platforms may not work due to OEM and ODM choices when it comes to key configurations parameters such as inclusion of the required CRAT tables and IOMMU configuration parameters in the system BIOS.
* Before purchasing such a system for ROCm, please verify that the BIOS provides an option for enabling IOMMUv2 and that the system BIOS properly exposes the correct CRAT table. Inquire with your vendor about the latter.
* AMD "Raven Ridge" APUs are enabled to run OpenCL, but do not yet support HIP or our libraries built on top of these compilers and runtimes.
* As of ROCm 2.1, "Raven Ridge" requires the use of upstream kernel drivers.
* In addition, various "Raven Ridge" platforms may not work due to OEM and ODM choices when it comes to key configurations parameters such as inclusion of the required CRAT tables and IOMMU configuration parameters in the system BIOS.
* Before purchasing such a system for ROCm, please verify that the BIOS provides an option for enabling IOMMUv2 and that the system BIOS properly exposes the correct CRAT table. Inquire with your vendor about the latter.
##### Start by following the instruction of installing ROCm with Debian repository:
##### Not supported
at the step "sudo apt-get install rocm" replace it with:
```shell
sudo apt-get install rocm opencl-rocm
```
To install the development kit for OpenCL, which includes the OpenCL header files, execute this installation command instead:
```shell
sudo apt-get install rocm opencl-rocm-dev
```
Then follow the direction for Debian Repository
###### Upon restart, To test your OpenCL instance
* "Tonga", "Iceland", "Vega M", and "Vega 12" GPUs are not supported in ROCm 2.9.x
* We do not support GFX8-class GPUs (Fiji, Polaris, etc.) on CPUs that do not have PCIe 3.0 with PCIe atomics.
* As such, we do not support AMD Carrizo and Kaveri APUs as hosts for such GPUs.
* Thunderbolt 1 and 2 enabled GPUs are not supported by GFX8 GPUs on ROCm. Thunderbolt 1 & 2 are based on PCIe 2.0.
Build and run Hello World OCL app..
#### ROCm support in upstream Linux kernels
HelloWorld sample:
```
wget https://raw.githubusercontent.com/bgaster/opencl-book-samples/master/src/Chapter_2/HelloWorld/HelloWorld.cpp
wget https://raw.githubusercontent.com/bgaster/opencl-book-samples/master/src/Chapter_2/HelloWorld/HelloWorld.cl
```
As of ROCm 1.9.0, the ROCm user-level software is compatible with the AMD drivers in certain upstream Linux kernels.
As such, users have the option of either using the ROCK kernel driver that are part of AMD's ROCm repositories or using the upstream driver and only installing ROCm user-level utilities from AMD's ROCm repositories.
Build it using the default ROCm OpenCL include and library locations:
```
g++ -I /opt/rocm/opencl/include/ ./HelloWorld.cpp -o HelloWorld -L/opt/rocm/opencl/lib/x86_64 -lOpenCL
```
These releases of the upstream Linux kernel support the following GPUs in ROCm:
* 4.17: Fiji, Polaris 10, Polaris 11
* 4.18: Fiji, Polaris 10, Polaris 11, Vega10
* 4.20: Fiji, Polaris 10, Polaris 11, Vega10, Vega 7nm
Run it:
```
./HelloWorld
```
The upstream driver may be useful for running ROCm software on systems that are not compatible with the kernel driver available in AMD's repositories.
For users that have the option of using either AMD's or the upstreamed driver, there are various tradeoffs to take into consideration:
##### Un-install
To un-install the entire rocm development package execute:
| | Using AMD's `rock-dkms` package | Using the upstream kernel driver |
| ---- | ------------------------------------------------------------| ----- |
| Pros | More GPU features, and they are enabled earlier | Includes the latest Linux kernel features |
| | Tested by AMD on supported distributions | May work on other distributions and with custom kernels |
| | Supported GPUs enabled regardless of kernel version | |
| | Includes the latest GPU firmware | |
| Cons | May not work on all Linux distributions or versions | Features and hardware support varies depending on kernel version |
| | Not currently supported on kernels newer than 5.4 | Limits GPU's usage of system memory to 3/8 of system memory (before 5.6). For 5.6 and beyond, both DKMS and upstream kernels allow use of 15/16 of system memory. |
| | | IPC and RDMA capabilities are not yet enabled |
| | | Not tested by AMD to the same level as `rock-dkms` package |
| | | Does not include most up-to-date firmware |
```shell
sudo apt-get autoremove rocm
```
##### Installing development packages for cross compilation
It is often useful to develop and test on different systems. In this scenario,
you may prefer to avoid installing the ROCm Kernel to your development system.
In this case, install the development subset of packages:
## Machine Learning and High Performance Computing Software Stack for AMD GPU
```shell
sudo apt-get update
sudo apt-get install rocm-dev
```
For an updated version of the software stack for AMD GPU, see
>**Note:** To execute ROCm enabled apps you will require a system with the full
>ROCm driver stack installed
https://rocmdocs.amd.com/en/latest/Installation_Guide/Installation-Guide.html#software-stack-for-amd-gpu
##### Removing pre-release packages
If you installed any of the ROCm pre-release packages from github, they will
need to be manually un-installed:
```shell
sudo apt-get purge libhsakmt
sudo apt-get purge radeon-firmware
sudo apt-get purge $(dpkg -l | grep 'kfd\|rocm' | grep linux | grep -v libc | awk '{print $2}')
```
If possible, we would recommend starting with a fresh OS install.
#### RPM repository - dnf (yum)
A dnf (yum) repository is also available for installation of rpm packages.
To configure a system to use the ROCm rpm directory create the file
/etc/yum.repos.d/rocm.repo with the following contents:
```shell
[remote]
name=ROCm Repo
baseurl=http://packages.amd.com/rocm/yum/rpm/
enabled=1
gpgcheck=0
```
Execute the following commands:
```shell
sudo dnf clean all
sudo dnf install rocm
```
As with the debian packages, it is possible to install rocm-dev individually.
To uninstall the packages execute:
```shell
sudo dnf remove rocm
```
Just like Ubuntu installs, the ROCm kernel must be the default kernel used at boot time.
#### Manual installation steps for Fedora
A fully functional Fedora installation requires a few manual steps to properly
setup, including:
* [Building compatible libc++ and libc++abi libraries for Fedora](https://github.com/RadeonOpenCompute/hcc/wiki#fedora)
#### Verify installation
To verify that the ROCm stack completed successfully you can execute to HSA
vectory\_copy sample application (we do recommend that you copy it to a
separate folder and invoke make therein):
```shell
cd /opt/rocm/hsa/sample
make
./vector_copy
```
#### Closed source components
The ROCm platform relies on a few closed source components to provide legacy
functionality like HSAIL finalization and debugging/profiling support. These
components are only available through the ROCm repositories, and will either be
deprecated or become open source components in the future. These components are
made available in the following packages:
* hsa-ext-rocr-dev
### Getting ROCm source code
Modifications can be made to the ROCm 1.5 components by modifying the open
source code base and rebuilding the components. Source code can be cloned from
each of the GitHub repositories using git, or users can use the repo command
and the ROCm 1.5 manifest file to download the entire ROCm 1.5 source code.
#### Installing repo
Google's repo tool allows you to manage multiple git repositories
simultaneously. You can install it by executing the following commands:
```shell
curl https://storage.googleapis.com/git-repo-downloads/repo > ~/bin/repo
chmod a+x ~/bin/repo
```
Note: make sure ~/bin exists and it is part of your PATH
#### Cloning the code
```shell
mkdir ROCm && cd ROCm
repo init -u https://github.com/RadeonOpenCompute/ROCm.git -b roc-1.5.0
repo sync
```
These series of commands will pull all of the open source code associated with
the ROCm 1.5 release. Please ensure that ssh-keys are configured for the
target machine on GitHub for your GitHub ID.
* OpenCL Runtime and Compiler will be submitted to the Khronos Group, prior to
the final release, for conformance testing.

View File

@@ -1,79 +1,27 @@
<?xml version="1.0" encoding="UTF-8"?>
<manifest>
<remote name="roc-github"
fetch="http://github.com/RadeonOpenCompute/" />
<remote name="rocm-devtools"
fetch="https://github.com/ROCm-Developer-Tools/" />
<remote name="rocm-swplat"
fetch="https://github.com/ROCmSoftwarePlatform/" />
<remote name="gpuopen-libs"
fetch="https://github.com/GPUOpen-ProfessionalCompute-Libraries/" />
<remote name="gpuopen-tools"
fetch="https://github.com/GPUOpen-Tools/" />
<remote name="KhronosGroup"
fetch="https://github.com/KhronosGroup/" />
<default revision="refs/tags/rocm-3.8.0"
fetch="http://git@github.com/RadeonOpenCompute/" />
<remote name="pctools-github"
fetch="http://git@github.com/GPUOpen-ProfessionalCompute-Tools/" />
<default revision="roc-1.5.x"
remote="roc-github"
sync-c="true"
sync-j="4" />
<!--list of projects for ROCM-->
<project name="ROCK-Kernel-Driver" />
<project name="ROCT-Thunk-Interface" />
<project name="ROCR-Runtime" />
<project name="ROC-smi" />
<project name="rocm_smi_lib" remote="roc-github" />
<project name="rocm-cmake" />
<project name="rocminfo" />
<project name="rocprofiler" remote="rocm-devtools" />
<project name="roctracer" remote="rocm-devtools" />
<project name="ROCm-OpenCL-Runtime" />
<project path="ROCm-OpenCL-Runtime/api/opencl/khronos/icd" name="OpenCL-ICD-Loader" remote="KhronosGroup" revision="6c03f8b58fafd9dd693eaac826749a5cfad515f8" />
<project name="clang-ocl" />
<!--HIP Projects-->
<project name="HIP" remote="rocm-devtools" />
<project name="HIP-Examples" remote="rocm-devtools" />
<project name="ROCclr" remote="rocm-devtools" />
<project name="HIPIFY" remote="rocm-devtools" />
<!-- The following projects are all associated with the AMDGPU LLVM compiler -->
<project name="llvm-project" path="llvm_amd-stg-open" />
<project name="ROCm-Device-Libs" />
<project name="atmi" />
<project name="ROCm-CompilerSupport" />
<project name="rocr_debug_agent" remote="rocm-devtools" />
<project name="rocm_bandwidth_test" />
<project name="RCP" remote="gpuopen-tools" revision="3a49405a1500067c49d181844ec90aea606055bb" />
<!-- gdb projects -->
<project name="ROCgdb" remote="rocm-devtools" />
<project name="ROCdbgapi" remote="rocm-devtools" />
<!-- ROCm Libraries -->
<project name="rocBLAS" remote="rocm-swplat" />
<project name="hipBLAS" remote="rocm-swplat" />
<project name="rocFFT" remote="rocm-swplat" />
<project name="rocRAND" remote="rocm-swplat" />
<project name="rocSPARSE" remote="rocm-swplat" />
<project name="rocSOLVER" remote="rocm-swplat" />
<project name="hipSPARSE" remote="rocm-swplat" />
<project name="rocALUTION" remote="rocm-swplat" />
<project name="MIOpenGEMM" remote="rocm-swplat" />
<project name="MIOpen" remote="rocm-swplat" />
<project name="rccl" remote="rocm-swplat" />
<project name="MIVisionX" remote="gpuopen-libs" />
<project name="rocThrust" remote="rocm-swplat" />
<project name="hipCUB" remote="rocm-swplat" />
<project name="rocPRIM" remote="rocm-swplat" />
<project name="hipfort" remote="rocm-swplat" />
<project name="ROCmValidationSuite" remote="rocm-devtools" />
<!-- Projects for AOMP -->
<project name="ROCT-Thunk-Interface" path="aomp/roct-thunk-interface" remote="roc-github" />
<project name="ROCR-Runtime" path="aomp/rocr-runtime" remote="roc-github" />
<project name="ROCm-Device-Libs" path="aomp/rocm-device-libs" remote="roc-github" />
<project name="ROCm-CompilerSupport" path="aomp/rocm-compilersupport" remote="roc-github" />
<project name="rocminfo" path="aomp/rocminfo" remote="roc-github" />
<project name="HIP" path="aomp/hip-on-vdi" remote="rocm-devtools" />
<project name="aomp" path="aomp/aomp" remote="rocm-devtools" />
<project name="aomp-extras" path="aomp/aomp-extras" remote="rocm-devtools" />
<project name="flang" path="aomp/flang" remote="rocm-devtools" />
<project name="amd-llvm-project" path="aomp/amd-llvm-project" remote="rocm-devtools" />
<project name="ROCclr" path="aomp/vdi" remote="rocm-devtools" />
<project name="ROCm-OpenCL-Runtime" path="aomp/opencl-on-vdi" remote="roc-github" />
<project path="ROCK-Kernel-Driver" name="ROCK-Kernel-Driver" />
<project path="ROCT-Thunk-Interface" name="ROCT-Thunk-Interface" />
<project path="ROC-smi" name="ROC-smi" />
<project path="ROCR-Runtime" name="ROCR-Runtime" />
<project path="hcc" name="hcc" />
<project path="compiler-rt" name="compiler-rt" />
<project path="HIP" remote="pctools-github" name="HIP" />
<project path="HIP-Examples" remote="pctools-github" name="HIP-Examples" />
<project path="atmi" name="atmi" revision="master" />
<project path="llvm" name="llvm" />
<project path="lld" name="lld" />
<project path="hcc-clang-upgrade" name="hcc-clang-upgrade" />
<project path="ROCm-Device-Libs" name="ROCm-Device-Libs" />
</manifest>

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