deploy: a8a2238

Author: martin-frbg

docs/faq/index.html

@@ -1733,7 +1733,8 @@ <h3 id="where-do-parameters-gemm_p-gemm_q-gemm_r-come-from"><a name="gemmpqr"></
 <p>The detailed explanation is probably in the original publication authored by Kazushige Goto - Goto, Kazushige; van de Geijn, Robert A; Anatomy of high-performance matrix multiplication. ACM Transactions on Mathematical Software (TOMS). Volume 34 Issue 3, May 2008
 While this article is paywalled and too old for preprints to be available on arxiv.org, more recent
 publications like https://arxiv.org/pdf/1609.00076 contain at least a brief description of the algorithm.
-In practice, the values are derived by experimentation to yield the block sizes that give the highest performance. A general rule of thumb for selecting a starting point seems to be that PxQ is about half the size of L2 cache.</p>
+In practice, the values are derived by experimentation to yield the block sizes that give the highest performance. A general rule of thumb for selecting a starting point seems to be that PxQ is about half the size of L2 cache. R needs to be greater than the bigger of P and Q by
+at least 64, or bad things will happen with the work splitting in (at least) POTRF.</p>
 <h3 id="how-can-i-report-a-bug"><a name="reportbug"></a>How can I report a bug?</h3>
 <p>Please file an issue at this <a href="https://github.com/OpenMathLib/OpenBLAS/issues">issue page</a> or send mail to the <a href="https://groups.google.com/forum/#!forum/openblas-users">OpenBLAS mailing list</a>.</p>
 <p>Please provide the following information: CPU, OS, compiler, OpenBLAS version and any compiling flags you used (Makefile.rule). In addition, please describe how to reproduce this bug.</p>
@@ -1954,7 +1955,7 @@ <h4 id="using-openblas-with-openmp"><a name="OpenMP"></a>Using OpenBLAS with Ope
     <span class="md-icon" title="Last update">
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     </span>
-    <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date" title="June 21, 2025 09:35:02 UTC">June 21, 2025</span>
+    <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date" title="January 17, 2026 19:58:49 UTC">January 17, 2026</span>
   </span>
 
 

docs/search/search_index.json

@@ -2,46 +2,46 @@
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-         <lastmod>2026-01-18</lastmod>
+         <lastmod>2026-01-19</lastmod>
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          <loc>https://openblas.net/docs/about/</loc>
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-         <lastmod>2026-01-18</lastmod>
+         <lastmod>2026-01-19</lastmod>
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+         <lastmod>2026-01-19</lastmod>
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-         <lastmod>2026-01-18</lastmod>
+         <lastmod>2026-01-19</lastmod>
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-         <lastmod>2026-01-18</lastmod>
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