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List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+larch=yhetil.org@gnu.org Sender: "Guix-devel" X-Migadu-Flow: FLOW_IN X-Migadu-Country: US ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1643845455; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:mime-version:mime-version: content-type:content-type:in-reply-to:in-reply-to: references:references:list-id:list-help:list-unsubscribe: list-subscribe:list-post:dkim-signature; bh=gZDEuzNN2DpVFM8cz6IN8VHZXd0W0mJH292OAOExDTs=; b=hgeuAebH7U9LbaYVSwz7MtECTHC0dHV91gU8JCZX8/+xHlDgPrQ7pZjCvDoGCjXupE/STB 7KG+fpX8Qpl4VPtsjfnnKmCHwPWDsi1TgNP2K552E7mCV9wFSMyYz+d+Hv82sntCoZs7v1 iFNHTIhNd0wxwoUONHElDTIzbnxzgaHElKqIO+CWgWPRDaC/1RRJXoJrPRo4twsxg7PaZ2 0/eUMyFWkl3p/sH01yNmiX9H/7vEqPsyh7WkawvpaDyH/i4z2ODd0TKVJrztmmxknpl9+I OLKo8g2ZB8QEfJecTJa7zLizj6RwoWilmC650/vetIeUCwvCP9tKHqgQIxsekA== ARC-Seal: i=1; s=key1; d=yhetil.org; t=1643845455; a=rsa-sha256; cv=none; b=gOgczVY1tGLYMmtIkU0FPVzSFapPLgv7/Ir4UbV/FdwPBp/Po0AfdJILbX0NtALO2W1UWM 1hyGPp6LtLwOXUA2UhOGQwGWPeV7kKEgAN4A9BV8vm16PNNGmBvm4CKrAIQbYNuiAxr+n8 DVs/h2sl5e2XyIbqs7Q7JTxsPqf+j8jOlJ0fc7ZXlb+gNnKSbS4I/qInm9OFuiDV1R2/bW msiFfSTgzaS+lx4oxpfWhG2/b5l59MlxrPRKMpq7nKma6sntVR4fQtGQHHy2poN8PkNK+g +srFmKaeUBNZ85Jlvo9J09AHE+d45738WsVieJiARNjjZd/xPdb6vzWaFUD9Pg== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=pass header.d=gmail.com header.s=20210112 header.b="RN/UhyQu"; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org@gnu.org" X-Migadu-Spam-Score: -4.33 Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=gmail.com header.s=20210112 header.b="RN/UhyQu"; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org@gnu.org" X-Migadu-Queue-Id: 6A4141AE58 X-Spam-Score: -4.33 X-Migadu-Scanner: scn1.migadu.com X-TUID: rdc4/PU7JtLF Hi Konrad, What is the output of 'lscpu'? For instance, on machine A running on Intel(R) Xeon(R) Gold 5218 CPU @ 2.30GHz, OpenBLAS for commit 87e7faa2ae641d8302efc8b90f1e45f43f67f6da builds. On machine B running Intel(R) Core(TM) i7-10700K CPU @ 3.80GHz, OpenBLAS for the same commit fails. Cheers, simon