From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id DECFA385840F; Thu, 30 Mar 2023 10:16:32 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org DECFA385840F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1680171392; bh=yWCLl+5FWexOBsVl0VFjX3OMa0SfLTcUdkNJ8uKhS64=; h=From:To:Subject:Date:In-Reply-To:References:From; b=VTTZwdtYhvT0VQAasGKqiTw3jlo61yMFo/BQV6r/neBrhCwlkVZ36Q6FXVHb0VUZb aWho0q6u3LAwYymdLbFXxKgEO9ggFjuNWE3sqli+Hj/oyvHXkKUj/L7nPI3wl+MsAw 1IQKBsIpI/uXipEmkp/STZ93FcDRonHgPE3uU0Rs= From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug analyzer/107943] [11/12/13 Regression] gcc -fanalyzer hangs in openssl curve25519.c since r11-3840-gaf66094d03779377 Date: Thu, 30 Mar 2023 10:16:30 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: analyzer X-Bugzilla-Version: 12.2.1 X-Bugzilla-Keywords: compile-time-hog, needs-reduction X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: dmalcolm at gcc dot gnu.org X-Bugzilla-Target-Milestone: 11.4 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107943 --- Comment #7 from Richard Biener --- Samples: 193K of event 'cycles', Event count (approx.): 206254655627=20=20= =20=20=20=20=20=20=20=20=20=20 Overhead Samples Command Shared Object Symbol=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20 12.11% 23476 cc1 cc1 [.] ana::store_manager::get_concrete_binding 9.71% 18828 cc1 cc1 [.] hash_table, ana::concrete_binding*> >::hash_entry, false, xcallocator>::find_with_hash 6.73% 13045 cc1 cc1 [.] hash_table, ana::sv= alue const*> >::hash_entry, false, xcallocator>::find_slot_with_hash 5.64% 10937 cc1 libc-2.31.so [.] _int_malloc 5.20% 10087 cc1 cc1 [.] ana::region_model_manager::get_or_create_constant_svalue 5.06% 9815 cc1 libc-2.31.so [.] _int_free 4.84% 9380 cc1 cc1 [.] hash_table, ana::sv= alue const*> >::hash_entry, false, xcallocator>::expand 4.63% 8971 cc1 cc1 [.] hash_table, ana::element_region*> >::hash_entry, false, xcallocator>::find_with_hash 4.59% 8886 cc1 cc1 [.] iterative_hash 3.30% 6396 cc1 cc1 [.] ana::binding_cluster::bind_compound_sval 2.58% 4995 cc1 cc1 [.] ana::store::~store 2.19% 4250 cc1 cc1 [.] hash_table, ana::sv= alue const*> >::hash_entry, false, xcallocator>::find_with_hash looks like for larger workloads it gets memory bound - optimizing data structures (and hash functions?) might be helpful.=