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<p class="MsoNormal" style="vertical-align:baseline"><span style="mso-ligatures:none">Hello OpenSHMEM community members, </span><span style="font-size:9.0pt;font-family:"Segoe UI",sans-serif"><span style="mso-ligatures:none"><o:p></o:p></span></span></p>
<p class="MsoNormal" style="vertical-align:baseline"><span style="mso-ligatures:none"> </span><span style="font-size:9.0pt;font-family:"Segoe UI",sans-serif"><span style="mso-ligatures:none"><o:p></o:p></span></span></p>
<p class="MsoNormal" style="vertical-align:baseline"><span style="mso-ligatures:none">The Intel OpenSHMEM team is excited to announce the first open-source release of Intel® SHMEM v1.0.0. Intel SHMEM is a C++ software library that enables applications to use
OpenSHMEM communication APIs with device kernels implemented in SYCL. It supports Intel HPC/AI-focused GPUs, beginning with the Intel® Data Center GPU Max Series. Intel SHMEM implements a Partitioned Global Address Space (PGAS) programming model and includes
a subset of host-initiated operations as in the current OpenSHMEM standard. It also includes new device-initiated operations callable directly from GPU kernels. Below is a summarized list of features that are available in Intel SHMEM v1.0.0. </span><span style="font-size:9.0pt;font-family:"Segoe UI",sans-serif"><span style="mso-ligatures:none"><o:p></o:p></span></span></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1;vertical-align:baseline">
<span style="mso-ligatures:none">A complete <a href="https://oneapi-src.github.io/ishmem/intro.html" target="_blank">
specification</a> detailing the programming model, supported API, example programs, build and run instructions, etc. <o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1;vertical-align:baseline">
<span style="mso-ligatures:none">Device and host API support for OpenSHMEM 1.5 compliant point-to-point Remote Memory Access (RMA), Atomic Memory Operations, Signaling, Memory Ordering, and Synchronization Operations. <o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1;vertical-align:baseline">
<span style="mso-ligatures:none">Device and host API support for OpenSHMEM collective operations. <o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1;vertical-align:baseline">
<span style="mso-ligatures:none">Device API support for SYCL work-group and sub-group level extensions of Remote Memory Access, Signaling, Collective, Memory Ordering, and Synchronization Operations. <o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1;vertical-align:baseline">
<span style="mso-ligatures:none">Support of C++ template function routines replacing the C11 Generic selection routines from the OpenSHMEM specification. <o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1;vertical-align:baseline">
<span style="mso-ligatures:none">GPU RDMA (Remote Direct Memory Access) support when configured with Sandia OpenSHMEM with suitable Libfabric providers for high-performance networking services. <o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1;vertical-align:baseline">
<span style="mso-ligatures:none">Choice of device memory (default) or Unified Shared Memory for the SHMEM Symmetric Heap. <o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1;vertical-align:baseline">
<span style="mso-ligatures:none">A comprehensive set of unit tests for functionality of core operations. <o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1;vertical-align:baseline">
<span style="mso-ligatures:none">A suite of performance benchmarks covering device-initiated operation performance for a subset of the operations. <o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1;vertical-align:baseline">
<span style="mso-ligatures:none">An implementation of a<span style="color:red"> </span>
2D stencil kernel utilizing ISHMEM RMA operations. <o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1;vertical-align:baseline">
<span style="mso-ligatures:none">Examples to illustrate different use cases of ISHMEM functionalities. <o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1;vertical-align:baseline">
<span style="mso-ligatures:none">A launcher script to launch ISHMEM applications on the available SYCL devices in the system with the correct mapping. <o:p></o:p></span></li></ul>
<p class="MsoNormal" style="vertical-align:baseline"><span style="mso-ligatures:none"> </span><span style="font-size:9.0pt;font-family:"Segoe UI",sans-serif"><span style="mso-ligatures:none"><o:p></o:p></span></span></p>
<p class="MsoNormal" style="vertical-align:baseline"><span style="mso-ligatures:none">The full source code of Intel SHMEM v1.0.0 can be accessed through the<span style="color:red">
</span>GitHub repo: </span><span style="font-size:9.0pt;font-family:"Segoe UI",sans-serif"><a href="https://github.com/oneapi-src/ishmem" target="_blank"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-ligatures:none">https://github.com/oneapi-src/ishmem</span></a></span><span style="mso-ligatures:none">.
Please follow the instructions in<span style="color:red"> </span></span><span style="font-size:9.0pt;font-family:"Segoe UI",sans-serif"><a href="https://github.com/oneapi-src/ishmem/blob/main/README.md" target="_blank"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-ligatures:none">README.md</span></a></span><span style="mso-ligatures:none">
for<span style="color:red"> </span>how to build, install, and use Intel SHMEM in your application. Please refer to the examples given
</span><span style="font-size:9.0pt;font-family:"Segoe UI",sans-serif"><a href="https://oneapi-src.github.io/ishmem/writing_programs.html" target="_blank"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-ligatures:none">here</span></a></span><span style="mso-ligatures:none">
for<span style="color:red"> </span>how to write programs utilizing the<span style="color:red">
</span>Intel SHMEM APIs. Please also look at </span><span style="font-size:9.0pt;font-family:"Segoe UI",sans-serif"><a href="https://github.com/oneapi-src/ishmem/tree/main/examples" target="_blank"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-ligatures:none">example
codes</span></a></span><span style="mso-ligatures:none"> which demonstrate the usage of various APIs. If you would like to contribute to the project or raise any issues, please follow the guidelines provided in
</span><span style="font-size:9.0pt;font-family:"Segoe UI",sans-serif"><a href="https://github.com/oneapi-src/ishmem/blob/main/CONTRIBUTING.md" target="_blank"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-ligatures:none">CONTRIBUTING.md</span></a></span><span style="mso-ligatures:none">.
For any other questions, please send an email to </span><span style="font-size:9.0pt;font-family:"Segoe UI",sans-serif"><a href="mailto:ishmem-discuss@intel.com" target="_blank"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-ligatures:none">ishmem-discuss@intel.com</span></a></span><span style="mso-ligatures:none">. </span><span style="font-size:9.0pt;font-family:"Segoe UI",sans-serif"><span style="mso-ligatures:none"><o:p></o:p></span></span></p>
<p class="MsoNormal" style="vertical-align:baseline"><span style="font-size:9.0pt;font-family:"Segoe UI",sans-serif;mso-ligatures:none"> <o:p></o:p></span></p>
<p class="MsoNormal" style="vertical-align:baseline"><span style="mso-ligatures:none">Enjoy! </span><span style="font-size:9.0pt;font-family:"Segoe UI",sans-serif"><span style="mso-ligatures:none"><o:p></o:p></span></span></p>
<p class="MsoNormal" style="vertical-align:baseline"><span style="mso-ligatures:none">The<span style="color:red">
</span>Intel OpenSHMEM Team </span><span style="font-size:9.0pt;font-family:"Segoe UI",sans-serif"><span style="mso-ligatures:none"><o:p></o:p></span></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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