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aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=telenet.be header.s=r22 header.b=LKfXzFdb; dmarc=fail reason="SPF not aligned (relaxed)" header.from=telenet.be (policy=none); spf=pass (aspmx1.migadu.com: domain of "guix-patches-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-patches-bounces+larch=yhetil.org@gnu.org" X-Migadu-Spam-Score: 3.03 Authentication-Results: aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=telenet.be header.s=r22 header.b=LKfXzFdb; dmarc=fail reason="SPF not aligned (relaxed)" header.from=telenet.be (policy=none); spf=pass (aspmx1.migadu.com: domain of "guix-patches-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-patches-bounces+larch=yhetil.org@gnu.org" X-Migadu-Queue-Id: DB04417826 X-Spam-Score: 3.03 X-Migadu-Scanner: scn0.migadu.com X-TUID: 4aqyTyNVx8hE --=-RQVstMS+kyRoay1uOUwl Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Arun Isaac schreef op vr 01-04-2022 om 13:10 [+0530]: > wfmash's speed is one of the critical features it brings to the > table. We might have rendered the package more or less unusable by > disabling CPU optimizations. >=20 > I could try talking to upstream about detecting and using CPU features > at runtime. But, I don't know too much about the topic. Any quick links > I can share with them? For the concept, maybe , which is about combining high performance with reproducibility using the (Guix-specific) --tune package transformation. =C2=A0To implement run- time detection, the following could be useful: * Guix article: * LWN article: . Greetings, Maxime. --=-RQVstMS+kyRoay1uOUwl Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- iI0EABYKADUWIQTB8z7iDFKP233XAR9J4+4iGRcl7gUCYkbIRBccbWF4aW1lZGV2 b3NAdGVsZW5ldC5iZQAKCRBJ4+4iGRcl7kHRAP922KpPIa/XnBT902BEwiLlrQsv NsGKkYtWeTv62bIwLgD/a19oid5QxetNyWMYRPOEUqqXJoG3OK0dHVQiE+IK7gU= =5FkS -----END PGP SIGNATURE----- --=-RQVstMS+kyRoay1uOUwl--