<div>Hi Hongyang,</div><div><br></div><div>we have been puzzled by this mysterious slowdown <a href="https://github.com/cp2k/cp2k/issues/1826">as well</a>. Yesterday we finally had a breakthrough: You have to remove `<span><span>-lgslcblas` from your ARCH file to ensure that the proper BLAS library gets linked.</span></span></div><div><span><span><br></span></span></div><div><span><span>-Ole</span></span></div><div><span><span><br></span></span></div><div class="gmail_quote"><div dir="auto" class="gmail_attr">On Thursday, March 24, 2022 at 10:51:19 AM UTC+1 ma455...@gmail.com wrote:<br/></div><blockquote class="gmail_quote" style="margin: 0 0 0 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">Hi,<div><br></div><div>I'm just wondering are there any advantages of using COSMA instead of SCALAPACK for matrix multiplication? I found the speed of using COSMA is slower than SCALAPACK in SCF calculation.</div><div><br></div><div>Thanks,</div><div>Hongyang</div></blockquote></div>
<p></p>
-- <br />
You received this message because you are subscribed to the Google Groups "cp2k" group.<br />
To unsubscribe from this group and stop receiving emails from it, send an email to <a href="mailto:cp2k+unsubscribe@googlegroups.com">cp2k+unsubscribe@googlegroups.com</a>.<br />
To view this discussion on the web visit <a href="https://groups.google.com/d/msgid/cp2k/19780694-7ead-46d4-b955-706e6b417652n%40googlegroups.com?utm_medium=email&utm_source=footer">https://groups.google.com/d/msgid/cp2k/19780694-7ead-46d4-b955-706e6b417652n%40googlegroups.com</a>.<br />