max/lean4-htt
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions 2

perf: upgrade to LLVM 22 (#13545)

Browse source 
This PR upgrades LLVM from version 19 to version 22. This brings general
performance improvements of up to 5% instructions depending on
benchmark.
This commit is contained in:
Henrik Böving 2026-05-06 14:36:06 +02:00 • committed by GitHub
parent e6dfdfdcee
commit 8d2b5d08a1
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
4 changed files with 9 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
.github/workflows/ci.yml vendored
View file

@ -253,7 +253,7 @@ jobs:
"enabled": level >= 2,
"test": true,
"shell": "nix develop .#oldGlibc -c bash -euxo pipefail {0}",
"llvm-url": "https://github.com/leanprover/lean-llvm/releases/download/19.1.2/lean-llvm-x86_64-linux-gnu.tar.zst",
"llvm-url": "https://github.com/leanprover/lean-llvm/releases/download/22.1.4/lean-llvm-x86_64-linux-gnu.tar.zst",
"prepare-llvm": "../script/prepare-llvm-linux.sh lean-llvm*",
"binary-check": "ldd -v",
// foreign code may be linked against more recent glibc
@ -278,7 +278,7 @@ jobs:
"test": level >= 1,
"secondary": level == 0,
"shell": "nix develop .#oldGlibc -c bash -euxo pipefail {0}",
"llvm-url": "https://github.com/leanprover/lean-llvm/releases/download/19.1.2/lean-llvm-x86_64-linux-gnu.tar.zst",
"llvm-url": "https://github.com/leanprover/lean-llvm/releases/download/22.1.4/lean-llvm-x86_64-linux-gnu.tar.zst",
"prepare-llvm": "../script/prepare-llvm-linux.sh lean-llvm*",
"binary-check": "ldd -v",
// foreign code may be linked against more recent glibc
@ -349,7 +349,7 @@ jobs:
"test": false, // Tier 2 platform
"enabled": level >= 2,
"shell": "bash -euxo pipefail {0}",
"llvm-url": "https://github.com/leanprover/lean-llvm/releases/download/19.1.2/lean-llvm-x86_64-apple-darwin.tar.zst",
"llvm-url": "https://github.com/leanprover/lean-llvm/releases/download/22.1.4/lean-llvm-x86_64-apple-darwin.tar.zst",
"prepare-llvm": "../script/prepare-llvm-macos.sh lean-llvm*",
"binary-check": "otool -L",
"tar": "gtar", // https://github.com/actions/runner-images/issues/2619
@ -362,7 +362,7 @@ jobs:
"CMAKE_OPTIONS": "-DLEAN_INSTALL_SUFFIX=-darwin_aarch64",
"release": true,
"shell": "bash -euxo pipefail {0}",
"llvm-url": "https://github.com/leanprover/lean-llvm/releases/download/19.1.2/lean-llvm-aarch64-apple-darwin.tar.zst",
"llvm-url": "https://github.com/leanprover/lean-llvm/releases/download/22.1.4/lean-llvm-aarch64-apple-darwin.tar.zst",
"prepare-llvm": "../script/prepare-llvm-macos.sh lean-llvm*",
"binary-check": "otool -L",
"tar": "gtar", // https://github.com/actions/runner-images/issues/2619
@ -379,7 +379,7 @@ jobs:
"test": true,
"shell": "msys2 {0}",
"CMAKE_OPTIONS": "-G \"Unix Makefiles\"",
"llvm-url": "https://github.com/leanprover/lean-llvm/releases/download/19.1.2/lean-llvm-x86_64-w64-windows-gnu.tar.zst",
"llvm-url": "https://github.com/leanprover/lean-llvm/releases/download/22.1.4/lean-llvm-x86_64-w64-windows-gnu.tar.zst",
"prepare-llvm": "../script/prepare-llvm-mingw.sh lean-llvm*",
"binary-check": "ldd",
},
@ -391,7 +391,7 @@ jobs:
"enabled": level >= 2,
"test": true,
"shell": "nix develop .#oldGlibcAArch -c bash -euxo pipefail {0}",
"llvm-url": "https://github.com/leanprover/lean-llvm/releases/download/19.1.2/lean-llvm-aarch64-linux-gnu.tar.zst",
"llvm-url": "https://github.com/leanprover/lean-llvm/releases/download/22.1.4/lean-llvm-aarch64-linux-gnu.tar.zst",
"prepare-llvm": "../script/prepare-llvm-linux.sh lean-llvm*",
},
// Started running out of memory building expensive modules, a 2GB heap is just not that much even before fragmentation

2
src/runtime/compact.cpp
View file

@ -277,7 +277,7 @@ void object_compactor::insert_mpz(object * o) {
size_t data_sz = lean_usize_mul_checked(sizeof(mp_limb_t), nlimbs);
size_t sz = lean_usize_add_checked(sizeof(mpz_object), data_sz);
mpz_object * new_o = (mpz_object *)alloc(sz);
memcpy(new_o, to_mpz(o), sizeof(mpz_object));
memcpy((void*)new_o, to_mpz(o), sizeof(mpz_object));
lean_set_non_heap_header((lean_object*)new_o, sz, LeanMPZ, 0);
__mpz_struct & m = new_o->m_value.m_val[0];
// we assume the limb array is the only indirection in an `__mpz_struct` and everything else can be bitcopied

2
tests/bench_build.sh
View file

@ -5,7 +5,7 @@
# The radar environment variables must be provided.
# See also the https://github.com/leanprover/radar readme.
LLVM_RELEASE=19.1.2
LLVM_RELEASE=22.1.4
LLVM_TARBALL="$RADAR_CACHE/llvm/$LLVM_RELEASE.tar.zst"
if [ ! -f "$LLVM_TARBALL" ]; then

2
tests/bench_other.sh
View file

@ -5,7 +5,7 @@
# The radar environment variables must be provided.
# See also the https://github.com/leanprover/radar readme.
LLVM_RELEASE=19.1.2
LLVM_RELEASE=22.1.4
LLVM_TARBALL="$RADAR_CACHE/llvm/$LLVM_RELEASE.tar.zst"
if [ ! -f "$LLVM_TARBALL" ]; then