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303 Commits

Author SHA1 Message Date
Frederik Rietdijk
2270b66d75 pythonPackagesExtensions: override all Python package sets at once 
Python package sets can be overridden by overriding an interpreter
and passing in `packageOverrides = self: super: {...};`. This is fine
in case you need a single interpreter, however, it does not help you
when you want to override all sets.

With this change it is possible to override all sets at once by
appending a list of "extensions" to `pythonPackagesExtensions`.

From reading the implementation you might wonder why a list is used, and
not
`lib.composeExtensions`? The reason is the latter requires knowledge of
the library function. This approach should be easier for most users
as it is similar to how we append to lists of e.g. inputs or patches
when overriding a derivation.
 2022-08-06 09:39:39 +02:00
Adam Joseph
b21933faab cpython: have powerpc64le use "ppc64le" to follow PEP600 
The PEP600 standard gives Python's naming scheme for various
architectures; it follows the convention which was in use by Fedora in
2014.  According to PEP600, the architecture name for Power PC is
`ppc64le`, not `powerpc64le`.  This is also how python3 declares its
"supported wheels" under Debian on PowerPC, as checked with `pip debug
--verbose`

  $ pip debug --verbose | grep powerpc
  $ pip debug --verbose | grep ppc | head
  cp39-cp39-manylinux_2_31_ppc64le
  cp39-cp39-manylinux_2_30_ppc64le
  cp39-cp39-manylinux_2_29_ppc64le
  cp39-cp39-manylinux_2_28_ppc64le
  cp39-cp39-manylinux_2_27_ppc64le
  cp39-cp39-manylinux_2_26_ppc64le
  cp39-cp39-manylinux_2_25_ppc64le
  cp39-cp39-manylinux_2_24_ppc64le
  cp39-cp39-manylinux_2_23_ppc64le

Let's adjust the `pythonHostPlatform` expression in
cpython/default.nix to pass the architecture using the naming scheme
Python expects.

Verified on a Raptor Computing Systems Talos II.  Without this commit,
PyQt5 fails to build, failing with "unsupported wheel".  With this
commit, it builds successfully.
 2022-06-19 07:46:29 +02:00
Artturin
843b988680 python3: fix wrong platform libs when cross-compiling 
see https://github.com/NixOS/nixpkgs/pull/169475#issuecomment-1129517328

patch by adisbladis

Co-authored-by: adisbladis <adisbladis@gmail.com>
 2022-06-16 16:49:18 +03:00
Martin Weinelt
0b63d22aab
Merge pull request #173998 from mweinelt/cpython311 2022-06-15 01:28:11 +02:00
Martin Weinelt
a5c5302ddd
python311: 3.11.0b1 -> 3.11.0b3 
https://www.python.org/downloads/release/python-3110b2/
https://pythoninsider.blogspot.com/2022/05/python-3110b2-is-now-available.html

With updated darwin-libutil.patch provided by Randy Eckenrode.

Co-Authored-By: Randy Eckenrode <randy@largeandhighquality.com>
 2022-06-15 01:18:26 +02:00
github-actions[bot]
ebcaa0d01c
Merge master into staging-next 2022-06-01 12:01:27 +00:00
Martin Weinelt
a9377b6919
Merge pull request #164174 from ReplayCoding/fix/python-llvm-pgo 2022-06-01 11:07:54 +02:00
github-actions[bot]
f82caaee74
Merge staging-next into staging 2022-05-26 00:02:58 +00:00
Tobias Mayer
1e447d7898 pkgsStatic.python3: fix build 
GCC does not come with a `libgcc_eh.a` for the target platform if
it was built without `--enable-shared`. That flag was removed with
c6dd11ca39, meaning we should no longer
attempt to link against that lib.
 2022-05-24 18:03:33 +02:00
Martin Weinelt
85dfb11907
python311: 3.11.0a7 -> 3.11.0b1 
https://www.python.org/downloads/release/python-3110b1/
https://blog.python.org/2022/05/python-3110b1-is-now-available.html
 2022-05-22 16:14:33 +02:00
Artturin
6b46fa896e python3Minimal: enable strictDeps 
remove unused let binding from the main expr

verified that cross-compiling still works
 2022-05-22 16:40:36 +03:00
adisbladis
881ea516cf python3: Whitelist config options when overriding interpreter 
In the case of cross compilation we don't want pass through build
inputs from the cross platform, but we do want to pass on config options.
 2022-04-21 14:50:28 +02:00
Frederik Rietdijk
ba02fd0434 python3: fix overriding of interpreters, closes #163639 
Overriding the interpreters did not work correctly. When overriding
packages would end up twice in the build time closure: one corresponding
to the overridden interpreter and one corresponding to the original
interpreter. The reason is that the override was not applied to the
interpreters in the spliced package sets.
 2022-04-21 14:50:28 +02:00
Vladimír Čunát
d5d94127fd
Merge branch 'staging-next' into staging 
Minor conflicts; I hope I didn't mess up:
	pkgs/development/tools/misc/binutils/default.nix
	pkgs/games/openjk/default.nix
 2022-04-14 09:53:21 +02:00
Martin Weinelt
66beaa9225
cpython: update patches for 3.11a7 on darwin 2022-04-14 01:33:33 +02:00
Nicolas Benes
2f027dff0b python: remove ncurses flag 
It seems the additional linker flags were added in 9d3b0a2 (May 2008) as
a workaround for readline support. They were kept since then, but it
also means that `python3-config` outputs these flags

```console
$ python3-config --libs
 -lpthread -ldl -lcrypt -lncurses -lutil -lm -lm
```

while other GNU/Linux distros do not. For example, Debian 11:

```console
$ sudo apt install python3-dev
$ python3-config --libs
 -lcrypt -lpthread -ldl  -lutil -lm -lm
```

This change removes the `-lncurses` flag and aligns Nix/NixOS with other
distros.
 2022-03-29 13:39:33 +02:00
ReplayCoding
42f6c2c7ed python: fix enableOptimizations with clang 2022-03-14 15:57:16 -07:00
Frederik Rietdijk
e3ae569a2c
Merge pull request #157775 from veprbl/pr/darwin_python310_fix 
python3: revert some old darwin hacks
 2022-02-06 13:33:59 +01:00
Dmitry Kalinkin
68d828f64c
python3: don't hardcode -msse2 on darwin 
The -msse2 flag was hardcoded back when python32 was added in
47d86a83 ('Adding Python 3.2').
 2022-02-02 18:22:09 -05:00
Dmitry Kalinkin
c7c3187d98
python3: don't patch out -Wl,-stack_size,1000000 
The original motivation behind removing that was to appease a consumer
of python-config's output. That issue was probably resolved by now, so
let's bring the build in sync with what python is doing by default.

This reverts b7819e38 ('python3.x: Patch extra stack size on darwin')
 2022-02-02 18:21:55 -05:00
Dmitry Kalinkin
49a0059a59
python3: unset MACOSX_DEPLOYMENT_TARGET 
Setting an old target conflicts with the -stack_size,1000000 linker
flag. This fixes build of python310.

This reverts ce59dec5 ('python34: as a workaround, explicitly set MACOSX_DEPLOYMENT_TARGET')
 2022-02-02 18:21:30 -05:00
Jonathan Ringer
69382d41d5 python311: 3.11a2 -> 3.11a4 2022-01-31 06:47:51 -08:00
Sandro Jäckel
be1fef9258 cpython: mime-types -> mailcap 2022-01-26 14:30:10 -08:00
Emily
cafbe8171c
python: conditionalize redundant Darwin patch (#137858) 2021-12-25 17:11:35 -05:00
Ryan Burns
925bbece2f cpython: remove upstreamed patch 
This patch has been merged in python 3.9.7.

4b55837e7c
 2021-12-03 13:18:38 -08:00
Martin Weinelt
59cd736ec2 python39: backport patch to accomodate system library changes in Big Sur 
(cherry picked from commit 9738723b2486cfe9988abbff0c873cce5cba1849)
 2021-12-02 18:00:12 -08:00
Jörg Thalheim
96956d7682
Merge pull request #145265 from Stunkymonkey/development-pname-version-3 
pkgs/development: rename name to pname&version part 3
 2021-12-02 14:56:34 +00:00
Felix Buehler
7678aa30b4 pkgs/development: rename name to pname&version 2021-11-30 21:32:28 +01:00
Martin Weinelt
6dd0b1b8fc python311: init at 3.11.0a2 2021-11-30 14:19:52 +01:00
sterni
5d0972c63b
Merge pull request #138289 from sternenseemann/fix-non-gnu-strip 
stdenv: move --enable-deterministic-archives flag into GNU wrapper
 2021-10-07 12:29:59 +02:00
r-burns
16728283c3
Merge pull request #135619 from r-burns/fpie-musl-fixes 
[staging] {cc,binutils}-wrapper: fixes for PIE hardening
 2021-09-23 17:55:08 -07:00
Ryan Burns
a41b83c0ff Revert "pkgsMusl.python*: disable LTO" 
This is no longer needed with the previous PIE hardening fixes.

This reverts commit 2784f1bd69.
 2021-09-20 17:24:12 -07:00
sternenseemann
1174f3030c python3: fix NIX_LDFLAGS logic 
* Only try to link libgcc if GCC is actually used

* Link libgcc depending on libc (glibc vs. musl), rather than
  Linux/musl vs. Linux/!musl

This is a step towards fixing pkgsLLVM.python3.
 2021-09-18 15:11:17 +02:00
Robert Scott
ddbc53075b
Merge pull request #110893 from risicle/ris-cpython-debug-v2 
cpython: add separateDebugInfo v2
 2021-09-13 20:20:28 +01:00
Martin Weinelt
5c3a01ad51
cpython: fix duplicate function arguments 
Merging gone bad, sorry.
 2021-08-30 16:14:01 +02:00
Martin Weinelt
e2575c7de1
Merge branch 'master' into staging-next 2021-08-30 16:08:03 +02:00
sternenseemann
2784f1bd69 pkgsMusl.python*: disable LTO 
LTO fails to build with musl with the following linker error:

```
rm -f libpython3.9.a
if test libpython3.9.so.1.0 != libpython3.9.so; then \
        gcc -shared -L/nix/store/1dlhc7w4dlacgmkjbcx9454givv4kdqj-zlib-1.2.11/lib -L/nix/store/6fdwln0ac2p100dhifk2picm0c2d0bw3-bzip2-1.0.6.0.2/lib -L/nix/store/540aidi6ppgnjdd60ky4m6sm6ml824sp-expat-2.4.1/lib -L/nix/store/b493yxrr0glvv3988mkagqlq5k8rg5g1-xz-5.2.5/lib -L/nix/store/2145y7j63691khrjqhn66gc3srb52af8-libffi-3.3/lib -L/nix/store/4h0qimk9kkkrd1v9j6j0v3r3gqg6w22a-gdbm-1.20/lib -L/nix/store/b8n0k1vhjdg0r95x8d2ybgrmbdlhw738-sqlite-3.35.5/lib -L/nix/store/f4y7v8k7ar3n05h3446k6z4aa1c77n22-readline-6.3p08/lib -L/nix/store/j79lxjyfin611lz3rm0mzc26afxm3dgm-ncurses-6.2/lib -L/nix/store/mqs20xckz2gj0asgy2hv60h5dg1i3ci5-openssl-1.1.1k/lib -L/nix/store/hbfls4hgbjn8cb0d4m0kgz4a4cwlcbx5-tzdata-2021a/lib -L/nix/store/1dlhc7w4dlacgmkjbcx9454givv4kdqj-zlib-1.2.11/lib -L/nix/store/6fdwln0ac2p100dhifk2picm0c2d0bw3-bzip2-1.0.6.0.2/lib -L/nix/store/540aidi6ppgnjdd60ky4m6sm6ml824sp-expat-2.4.1/lib -L/nix/store/b493yxrr0glvv3988mkagqlq5k8rg5g1-xz-5.2.5/lib -L/nix/store/2145y7j63691khrjqhn66gc3srb52af8-libffi-3.3/lib -L/nix/store/4h0qimk9kkkrd1v9j6j0v3r3gqg6w22a-gdbm-1.20/lib -L/nix/store/b8n0k1vhjdg0r95x8d2ybgrmbdlhw738-sqlite-3.35.5/lib -L/nix/store/f4y7v8k7ar3n05h3446k6z4aa1c77n22-readline-6.3p08/lib -L/nix/store/j79lxjyfin611lz3rm0mzc26afxm3dgm-ncurses-6.2/lib -L/nix/store/mqs20xckz2gj0asgy2hv60h5dg1i3ci5-openssl-1.1.1k/lib -L/nix/store/hbfls4hgbjn8cb0d4m0kgz4a4cwlcbx5-tzdata-2021a/lib -flto -fuse-linker-plugin -ffat-lto-objects -flto-partition=none -g  -Wl,-hlibpython3.9.so.1.0 -o libpython3.9.so.1.0 Modules/getbuildinfo.o Parser/acceler.o Parser/grammar1.o Parser/listnode.o Parser/node.o Parser/parser.o Parser/token.o  Parser/pegen/pegen.o Parser/pegen/parse.o Parser/pegen/parse_string.o Parser/pegen/peg_api.o Parser/myreadline.o Parser/parsetok.o Parser/tokenizer.o Objects/abstract.o Objects/accu.o Objects/boolobject.o Objects/bytes_methods.o Objects/bytearrayobject.o Objects/bytesobject.o Objects/call.o Objects/capsule.o Objects/cellobject.o Objects/classobject.o Objects/codeobject.o Objects/complexobject.o Objects/descrobject.o Objects/enumobject.o Objects/exceptions.o Objects/genericaliasobject.o Objects/genobject.o Objects/fileobject.o Objects/floatobject.o Objects/frameobject.o Objects/funcobject.o Objects/interpreteridobject.o Objects/iterobject.o Objects/listobject.o Objects/longobject.o Objects/dictobject.o Objects/odictobject.o Objects/memoryobject.o Objects/methodobject.o Objects/moduleobject.o Objects/namespaceobject.o Objects/object.o Objects/obmalloc.o Objects/picklebufobject.o Objects/rangeobject.o Objects/setobject.o Objects/sliceobject.o Objects/structseq.o Objects/tupleobject.o Objects/typeobject.o Objects/unicodeobject.o Objects/unicodectype.o Objects/weakrefobject.o Python/_warnings.o Python/Python-ast.o Python/asdl.o Python/ast.o Python/ast_opt.o Python/ast_unparse.o Python/bltinmodule.o Python/ceval.o Python/codecs.o Python/compile.o Python/context.o Python/dynamic_annotations.o Python/errors.o Python/frozenmain.o Python/future.o Python/getargs.o Python/getcompiler.o Python/getcopyright.o Python/getplatform.o Python/getversion.o Python/graminit.o Python/hamt.o Python/hashtable.o Python/import.o Python/importdl.o Python/initconfig.o Python/marshal.o Python/modsupport.o Python/mysnprintf.o Python/mystrtoul.o Python/pathconfig.o Python/peephole.o Python/preconfig.o Python/pyarena.o Python/pyctype.o Python/pyfpe.o Python/pyhash.o Python/pylifecycle.o Python/pymath.o Python/pystate.o Python/pythonrun.o Python/pytime.o Python/bootstrap_hash.o Python/structmember.o Python/symtable.o Python/sysmodule.o Python/thread.o Python/traceback.o Python/getopt.o Python/pystrcmp.o Python/pystrtod.o Python/pystrhex.o Python/dtoa.o Python/formatter_unicode.o Python/fileutils.o Python/dynload_shlib.o    Modules/config.o Modules/getpath.o Modules/main.o Modules/gcmodule.o Modules/posixmodule.o  Modules/errnomodule.o  Modules/pwdmodule.o  Modules/_sre.o  Modules/_codecsmodule.o  Modules/_weakref.o  Modules/_functoolsmodule.o  Modules/_operator.o  Modules/_collectionsmodule.o  Modules/_abc.o  Modules/itertoolsmodule.o  Modules/atexitmodule.o  Modules/signalmodule.o  Modules/_stat.o  Modules/timemodule.o  Modules/_threadmodule.o  Modules/_localemodule.o  Modules/_iomodule.o Modules/iobase.o Modules/fileio.o Modules/bytesio.o Modules/bufferedio.o Modules/textio.o Modules/stringio.o  Modules/faulthandler.o  Modules/_tracemalloc.o  Modules/_peg_parser.o  Modules/symtablemodule.o  Modules/xxsubtype.o Python/frozen.o   -ldl -lcrypt -lncurses -lm  -lm; \
        ln -f libpython3.9.so.1.0 libpython3.9.so; \
else \
        gcc -shared -L/nix/store/1dlhc7w4dlacgmkjbcx9454givv4kdqj-zlib-1.2.11/lib -L/nix/store/6fdwln0ac2p100dhifk2picm0c2d0bw3-bzip2-1.0.6.0.2/lib -L/nix/store/540aidi6ppgnjdd60ky4m6sm6ml824sp-expat-2.4.1/lib -L/nix/store/b493yxrr0glvv3988mkagqlq5k8rg5g1-xz-5.2.5/lib -L/nix/store/2145y7j63691khrjqhn66gc3srb52af8-libffi-3.3/lib -L/nix/store/4h0qimk9kkkrd1v9j6j0v3r3gqg6w22a-gdbm-1.20/lib -L/nix/store/b8n0k1vhjdg0r95x8d2ybgrmbdlhw738-sqlite-3.35.5/lib -L/nix/store/f4y7v8k7ar3n05h3446k6z4aa1c77n22-readline-6.3p08/lib -L/nix/store/j79lxjyfin611lz3rm0mzc26afxm3dgm-ncurses-6.2/lib -L/nix/store/mqs20xckz2gj0asgy2hv60h5dg1i3ci5-openssl-1.1.1k/lib -L/nix/store/hbfls4hgbjn8cb0d4m0kgz4a4cwlcbx5-tzdata-2021a/lib -L/nix/store/1dlhc7w4dlacgmkjbcx9454givv4kdqj-zlib-1.2.11/lib -L/nix/store/6fdwln0ac2p100dhifk2picm0c2d0bw3-bzip2-1.0.6.0.2/lib -L/nix/store/540aidi6ppgnjdd60ky4m6sm6ml824sp-expat-2.4.1/lib -L/nix/store/b493yxrr0glvv3988mkagqlq5k8rg5g1-xz-5.2.5/lib -L/nix/store/2145y7j63691khrjqhn66gc3srb52af8-libffi-3.3/lib -L/nix/store/4h0qimk9kkkrd1v9j6j0v3r3gqg6w22a-gdbm-1.20/lib -L/nix/store/b8n0k1vhjdg0r95x8d2ybgrmbdlhw738-sqlite-3.35.5/lib -L/nix/store/f4y7v8k7ar3n05h3446k6z4aa1c77n22-readline-6.3p08/lib -L/nix/store/j79lxjyfin611lz3rm0mzc26afxm3dgm-ncurses-6.2/lib -L/nix/store/mqs20xckz2gj0asgy2hv60h5dg1i3ci5-openssl-1.1.1k/lib -L/nix/store/hbfls4hgbjn8cb0d4m0kgz4a4cwlcbx5-tzdata-2021a/lib -flto -fuse-linker-plugin -ffat-lto-objects -flto-partition=none -g  -o libpython3.9.so Modules/getbuildinfo.o Parser/acceler.o Parser/grammar1.o Parser/listnode.o Parser/node.o Parser/parser.o Parser/token.o  Parser/pegen/pegen.o Parser/pegen/parse.o Parser/pegen/parse_string.o Parser/pegen/peg_api.o Parser/myreadline.o Parser/parsetok.o Parser/tokenizer.o Objects/abstract.o Objects/accu.o Objects/boolobject.o Objects/bytes_methods.o Objects/bytearrayobject.o Objects/bytesobject.o Objects/call.o Objects/capsule.o Objects/cellobject.o Objects/classobject.o Objects/codeobject.o Objects/complexobject.o Objects/descrobject.o Objects/enumobject.o Objects/exceptions.o Objects/genericaliasobject.o Objects/genobject.o Objects/fileobject.o Objects/floatobject.o Objects/frameobject.o Objects/funcobject.o Objects/interpreteridobject.o Objects/iterobject.o Objects/listobject.o Objects/longobject.o Objects/dictobject.o Objects/odictobject.o Objects/memoryobject.o Objects/methodobject.o Objects/moduleobject.o Objects/namespaceobject.o Objects/object.o Objects/obmalloc.o Objects/picklebufobject.o Objects/rangeobject.o Objects/setobject.o Objects/sliceobject.o Objects/structseq.o Objects/tupleobject.o Objects/typeobject.o Objects/unicodeobject.o Objects/unicodectype.o Objects/weakrefobject.o Python/_warnings.o Python/Python-ast.o Python/asdl.o Python/ast.o Python/ast_opt.o Python/ast_unparse.o Python/bltinmodule.o Python/ceval.o Python/codecs.o Python/compile.o Python/context.o Python/dynamic_annotations.o Python/errors.o Python/frozenmain.o Python/future.o Python/getargs.o Python/getcompiler.o Python/getcopyright.o Python/getplatform.o Python/getversion.o Python/graminit.o Python/hamt.o Python/hashtable.o Python/import.o Python/importdl.o Python/initconfig.o Python/marshal.o Python/modsupport.o Python/mysnprintf.o Python/mystrtoul.o Python/pathconfig.o Python/peephole.o Python/preconfig.o Python/pyarena.o Python/pyctype.o Python/pyfpe.o Python/pyhash.o Python/pylifecycle.o Python/pymath.o Python/pystate.o Python/pythonrun.o Python/pytime.o Python/bootstrap_hash.o Python/structmember.o Python/symtable.o Python/sysmodule.o Python/thread.o Python/traceback.o Python/getopt.o Python/pystrcmp.o Python/pystrtod.o Python/pystrhex.o Python/dtoa.o Python/formatter_unicode.o Python/fileutils.o Python/dynload_shlib.o    Modules/config.o Modules/getpath.o Modules/main.o Modules/gcmodule.o Modules/posixmodule.o  Modules/errnomodule.o  Modules/pwdmodule.o  Modules/_sre.o  Modules/_codecsmodule.o  Modules/_weakref.o  Modules/_functoolsmodule.o  Modules/_operator.o  Modules/_collectionsmodule.o  Modules/_abc.o  Modules/itertoolsmodule.o  Modules/atexitmodule.o  Modules/signalmodule.o  Modules/_stat.o  Modules/timemodule.o  Modules/_threadmodule.o  Modules/_localemodule.o  Modules/_iomodule.o Modules/iobase.o Modules/fileio.o Modules/bytesio.o Modules/bufferedio.o Modules/textio.o Modules/stringio.o  Modules/faulthandler.o  Modules/_tracemalloc.o  Modules/_peg_parser.o  Modules/symtablemodule.o  Modules/xxsubtype.o Python/frozen.o   -ldl -lcrypt -lncurses -lm  -lm; \
fi
ar rcs libpython3.9.a Modules/getbuildinfo.o Parser/acceler.o Parser/grammar1.o Parser/listnode.o Parser/node.o Parser/parser.o Parser/token.o  Parser/pegen/pegen.o Parser/pegen/parse.o Parser/pegen/parse_string.o Parser/pegen/peg_api.o Parser/myreadline.o Parser/parsetok.o Parser/tokenizer.o Objects/abstract.o Objects/accu.o Objects/boolobject.o Objects/bytes_methods.o Objects/bytearrayobject.o Objects/bytesobject.o Objects/call.o Objects/capsule.o Objects/cellobject.o Objects/classobject.o Objects/codeobject.o Objects/complexobject.o Objects/descrobject.o Objects/enumobject.o Objects/exceptions.o Objects/genericaliasobject.o Objects/genobject.o Objects/fileobject.o Objects/floatobject.o Objects/frameobject.o Objects/funcobject.o Objects/interpreteridobject.o Objects/iterobject.o Objects/listobject.o Objects/longobject.o Objects/dictobject.o Objects/odictobject.o Objects/memoryobject.o Objects/methodobject.o Objects/moduleobject.o Objects/namespaceobject.o Objects/object.o Objects/obmalloc.o Objects/picklebufobject.o Objects/rangeobject.o Objects/setobject.o Objects/sliceobject.o Objects/structseq.o Objects/tupleobject.o Objects/typeobject.o Objects/unicodeobject.o Objects/unicodectype.o Objects/weakrefobject.o Python/_warnings.o Python/Python-ast.o Python/asdl.o Python/ast.o Python/ast_opt.o Python/ast_unparse.o Python/bltinmodule.o Python/ceval.o Python/codecs.o Python/compile.o Python/context.o Python/dynamic_annotations.o Python/errors.o Python/frozenmain.o Python/future.o Python/getargs.o Python/getcompiler.o Python/getcopyright.o Python/getplatform.o Python/getversion.o Python/graminit.o Python/hamt.o Python/hashtable.o Python/import.o Python/importdl.o Python/initconfig.o Python/marshal.o Python/modsupport.o Python/mysnprintf.o Python/mystrtoul.o Python/pathconfig.o Python/peephole.o Python/preconfig.o Python/pyarena.o Python/pyctype.o Python/pyfpe.o Python/pyhash.o Python/pylifecycle.o Python/pymath.o Python/pystate.o Python/pythonrun.o Python/pytime.o Python/bootstrap_hash.o Python/structmember.o Python/symtable.o Python/sysmodule.o Python/thread.o Python/traceback.o Python/getopt.o Python/pystrcmp.o Python/pystrtod.o Python/pystrhex.o Python/dtoa.o Python/formatter_unicode.o Python/fileutils.o Python/dynload_shlib.o    Modules/config.o Modules/getpath.o Modules/main.o Modules/gcmodule.o Modules/posixmodule.o  Modules/errnomodule.o  Modules/pwdmodule.o  Modules/_sre.o  Modules/_codecsmodule.o  Modules/_weakref.o  Modules/_functoolsmodule.o  Modules/_operator.o  Modules/_collectionsmodule.o  Modules/_abc.o  Modules/itertoolsmodule.o  Modules/atexitmodule.o  Modules/signalmodule.o  Modules/_stat.o  Modules/timemodule.o  Modules/_threadmodule.o  Modules/_localemodule.o  Modules/_iomodule.o Modules/iobase.o Modules/fileio.o Modules/bytesio.o Modules/bufferedio.o Modules/textio.o Modules/stringio.o  Modules/faulthandler.o  Modules/_tracemalloc.o  Modules/_peg_parser.o  Modules/symtablemodule.o  Modules/xxsubtype.o Python/frozen.o
In function ‘assemble_lnotab’,
    inlined from ‘assemble_emit’ at Python/compile.c:5717:0,
    inlined from ‘assemble’ at Python/compile.c:6056:0:
Python/compile.c:5671: warning: writing 1 byte into a region of size 0 [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wstringop-overflow=-Wstringop-overflow=8;;]
 5671 |         *lnotab++ = k;
      |
/nix/store/vf20zcyqr3qzcjhdidzk377qankcqsqa-binutils-2.35.1/bin/ld: libpython3.9.so.1.0.lto.o: warning: relocation against `PyDictValues_Type' in read-only section `.text'
/nix/store/vf20zcyqr3qzcjhdidzk377qankcqsqa-binutils-2.35.1/bin/ld: libpython3.9.so.1.0.lto.o: relocation R_X86_64_PC32 against symbol `PyBool_Type' can not be used when making a shared object; recompile with -fPIC
/nix/store/vf20zcyqr3qzcjhdidzk377qankcqsqa-binutils-2.35.1/bin/ld: final link failed: bad value
collect2: error: ld returned 1 exit status
ln: failed to access 'libpython3.9.so.1.0': No such file or directory
```

This should be investigated (since it should be possible), but disabling it for
now seems better than having a significant percentage of pkgsMusl broken.

Ref https://github.com/NixOS/nixpkgs/issues/131557.
 2021-08-28 12:28:12 +00:00
Robert Scott
049444dc6b cpython: expose libpython.py for debugging from gdb 2021-08-19 19:37:09 +01:00
Robert Scott
55026e0783 cpython: set separateDebugInfo, explicitly stripping static libpython*.a 
debug info can't be separated from a static library and would otherwise be
left in place by a separateDebugInfo build. force its removal here to save
space in output.
 2021-08-19 19:37:08 +01:00
Guillaume Girol
73dee3ad4e python3: add strictDeps = true 2021-08-19 09:30:47 +02:00
Guillaume Girol
79b32fc422 python27: use strictDeps = true; 2021-08-19 09:30:47 +02:00
Guillaume Girol
36acee3820 python3: fix static build 2021-08-19 09:30:46 +02:00
Guillaume Girol
37962fc5fb python27: fix static build 2021-08-19 09:30:44 +02:00
Angus Trau
c5ee55ef26 python39: fix tkinter and decimal on aarch64-darwin 2021-08-14 09:39:38 +10:00
Frederik Rietdijk
23e348bfe2 python2 and python3: build unoptimized bytecode again 
In 9d03ff5222 I made the CPython builds
reproducible. This required not generating default unoptimized bytecode.
I was under the impression the optimized bytecode would be used then,
but you need to opt-in on that. Not having the default bytecode resulted
in a significant performance hit. Therefore, bytecode is generated again
in this commit, and thereby the builds are no longer reproducible.

https://bugs.python.org/issue29708
 2021-07-30 09:27:42 +02:00
Vladimír Čunát
1f2b1f3bb0
cpython: restrict enableLTO to Linux 
Both darwin platforms would fail:
  https://hydra.nixos.org/build/147600631
  https://hydra.nixos.org/build/147646604
And as it seems to be a risky feature, I switched other platforms along
(though none are on the official build farm)
 2021-07-16 10:32:33 +02:00
Martin Weinelt
fac5757eec
cpython: disable no-semantic-interposition with older clang versions 
> clang-7: error: unknown argument: '-fno-semantic-interposition'

This primarily affects current darwin builds, but as soon as they
migrate to a newer clang version they will immediately start benefitting
from this change.
 2021-07-09 22:24:43 +02:00
Jonathan Ringer
07571e7ae5 python3: only enable LTO for 64bit builds 
Avoid failures with 32bit builds:
```
cc1: error: LTO support has not been enabled in this configuration
```
 2021-07-05 12:34:02 -07:00
Andreas Rammhold
1e47dd9cb8 cpython: Enable LTO on all builds as it doesn't break reproducibility 
LTO allows us to optimise the binaries we are shipping a bit further
than just with the regular -Ox and other compiler flags. It also is
deterministic and doesn't harm our reproducibility efforts while
providing us with up to 10% performance gain (and sometimes slightly
slower). See the table below for a comparsion of this version with the
Python 3.9 build that sets -fno-semantic-interposition.

+-------------------------+--------------------+------------------------+--------------+------------------------+
| Benchmark               | py39-nsip.nix.json | py39-nsip-lto.nix.json | Change       | Significance           |
+=========================+====================+========================+==============+========================+
| 2to3                    | 642 ms             | 620 ms                 | 1.03x faster | Significant (t=12.04)  |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| chameleon               | 14.6 ms            | 14.4 ms                | 1.02x faster | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| chaos                   | 182 ms             | 182 ms                 | 1.00x slower | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| crypto_pyaes            | 175 ms             | 172 ms                 | 1.02x faster | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| deltablue               | 11.2 ms            | 11.2 ms                | 1.00x faster | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| django_template         | 82.0 ms            | 81.4 ms                | 1.01x faster | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| dulwich_log             | 101 ms             | 99.8 ms                | 1.01x faster | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| fannkuch                | 634 ms             | 638 ms                 | 1.01x slower | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| float                   | 176 ms             | 189 ms                 | 1.08x slower | Significant (t=-4.30)  |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| go                      | 366 ms             | 365 ms                 | 1.00x faster | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| hexiom                  | 14.9 ms            | 15.1 ms                | 1.01x slower | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| json_dumps              | 18.7 ms            | 18.5 ms                | 1.01x faster | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| json_loads              | 37.9 us            | 37.3 us                | 1.02x faster | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| logging_format          | 14.2 us            | 14.3 us                | 1.01x slower | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| logging_silent          | 305 ns             | 313 ns                 | 1.02x slower | Significant (t=-3.91)  |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| logging_simple          | 13.0 us            | 13.2 us                | 1.01x slower | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| mako                    | 24.7 ms            | 23.3 ms                | 1.06x faster | Significant (t=10.74)  |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| meteor_contest          | 130 ms             | 128 ms                 | 1.01x faster | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| nbody                   | 201 ms             | 201 ms                 | 1.00x faster | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| nqueens                 | 152 ms             | 154 ms                 | 1.01x slower | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| pathlib                 | 26.3 ms            | 26.2 ms                | 1.01x faster | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| pickle                  | 13.1 us            | 13.7 us                | 1.05x slower | Significant (t=-10.36) |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| pickle_dict             | 26.6 us            | 27.1 us                | 1.02x slower | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| pickle_list             | 4.34 us            | 4.31 us                | 1.01x faster | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| pickle_pure_python      | 738 us             | 759 us                 | 1.03x slower | Significant (t=-5.26)  |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| pidigits                | 181 ms             | 181 ms                 | 1.00x faster | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| pyflate                 | 959 ms             | 974 ms                 | 1.02x slower | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| python_startup          | 34.0 ms            | 31.4 ms                | 1.08x faster | Significant (t=29.75)  |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| python_startup_no_site  | 15.3 ms            | 14.5 ms                | 1.06x faster | Significant (t=17.58)  |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| raytrace                | 849 ms             | 846 ms                 | 1.00x faster | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| regex_compile           | 261 ms             | 261 ms                 | 1.00x faster | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| regex_dna               | 187 ms             | 221 ms                 | 1.18x slower | Significant (t=-46.94) |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| regex_effbot            | 3.66 ms            | 3.98 ms                | 1.09x slower | Significant (t=-18.55) |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| regex_v8                | 29.7 ms            | 29.3 ms                | 1.01x faster | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| richards                | 113 ms             | 110 ms                 | 1.03x faster | Significant (t=3.47)   |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| scimark_fft             | 592 ms             | 590 ms                 | 1.00x faster | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| scimark_lu              | 253 ms             | 265 ms                 | 1.05x slower | Significant (t=-8.97)  |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| scimark_monte_carlo     | 170 ms             | 177 ms                 | 1.04x slower | Significant (t=-4.96)  |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| scimark_sor             | 310 ms             | 315 ms                 | 1.02x slower | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| scimark_sparse_mat_mult | 8.36 ms            | 8.33 ms                | 1.00x faster | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| spectral_norm           | 232 ms             | 229 ms                 | 1.02x faster | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| sqlalchemy_declarative  | 185 ms             | 183 ms                 | 1.01x faster | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| sqlalchemy_imperative   | 27.4 ms            | 27.6 ms                | 1.01x slower | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| sqlite_synth            | 4.73 us            | 4.73 us                | 1.00x faster | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| sympy_expand            | 813 ms             | 819 ms                 | 1.01x slower | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| sympy_integrate         | 31.6 ms            | 31.8 ms                | 1.01x slower | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| sympy_str               | 477 ms             | 479 ms                 | 1.00x slower | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| sympy_sum               | 245 ms             | 247 ms                 | 1.01x slower | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| telco                   | 11.3 ms            | 11.4 ms                | 1.00x slower | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| tornado_http            | 172 ms             | 172 ms                 | 1.00x slower | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| unpack_sequence         | 56.2 ns            | 51.2 ns                | 1.10x faster | Significant (t=2.50)   |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| unpickle                | 19.8 us            | 19.5 us                | 1.02x faster | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| unpickle_list           | 5.75 us            | 5.75 us                | 1.00x faster | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| unpickle_pure_python    | 524 us             | 522 us                 | 1.01x faster | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| xml_etree_generate      | 148 ms             | 148 ms                 | 1.00x slower | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| xml_etree_iterparse     | 129 ms             | 131 ms                 | 1.02x slower | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| xml_etree_parse         | 179 ms             | 177 ms                 | 1.01x faster | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
| xml_etree_process       | 118 ms             | 119 ms                 | 1.00x slower | Not significant        |
+-------------------------+--------------------+------------------------+--------------+------------------------+
 2021-07-05 12:34:02 -07:00
Andreas Rammhold
322eb3596b cpython: add enableNoSemanticInterposition flag 
This flags enables the -fno-semantic-interposition compiler flag for all
our cpython builds by default. It can be disabled by overriding the
enableNoSemanticInterposition attribute.

This CFLAG has the impact that our python code runs up to 23% faster
than previously. See the pyperformance benchmark results below.

The only downside that exists is that we can no longer override
libpython symbols via LD_PRELOAD when calling the python interpreter. If
a user needs they can disable the newly introduced flag and use that
instead. However those situations should be rare.

The Fedora Project did the equivalent change in their Fedora 32 release
(and haven't reverted it yet). They wrote a nice [wiki page] about the
ups and downs of this change. I recommend reading that.

Benchmark results of running Python 3.9 before and after this change:

+-------------------------+---------------+--------------------+--------------+------------------------+
| Benchmark               | py39.nix.json | py39-nsip.nix.json | Change       | Significance           |
+=========================+===============+====================+==============+========================+
| 2to3                    | 666 ms        | 642 ms             | 1.04x faster | Significant (t=12.73)  |
+-------------------------+---------------+--------------------+--------------+------------------------+
| chameleon               | 15.0 ms       | 14.6 ms            | 1.03x faster | Significant (t=4.70)   |
+-------------------------+---------------+--------------------+--------------+------------------------+
| chaos                   | 198 ms        | 182 ms             | 1.09x faster | Significant (t=13.73)  |
+-------------------------+---------------+--------------------+--------------+------------------------+
| crypto_pyaes            | 185 ms        | 175 ms             | 1.06x faster | Significant (t=9.70)   |
+-------------------------+---------------+--------------------+--------------+------------------------+
| deltablue               | 12.3 ms       | 11.2 ms            | 1.10x faster | Significant (t=14.45)  |
+-------------------------+---------------+--------------------+--------------+------------------------+
| django_template         | 85.1 ms       | 82.0 ms            | 1.04x faster | Significant (t=6.61)   |
+-------------------------+---------------+--------------------+--------------+------------------------+
| dulwich_log             | 102 ms        | 101 ms             | 1.01x faster | Not significant        |
+-------------------------+---------------+--------------------+--------------+------------------------+
| fannkuch                | 670 ms        | 634 ms             | 1.06x faster | Significant (t=15.87)  |
+-------------------------+---------------+--------------------+--------------+------------------------+
| float                   | 182 ms        | 176 ms             | 1.03x faster | Significant (t=7.32)   |
+-------------------------+---------------+--------------------+--------------+------------------------+
| go                      | 393 ms        | 366 ms             | 1.07x faster | Significant (t=17.63)  |
+-------------------------+---------------+--------------------+--------------+------------------------+
| hexiom                  | 15.8 ms       | 14.9 ms            | 1.06x faster | Significant (t=13.81)  |
+-------------------------+---------------+--------------------+--------------+------------------------+
| json_dumps              | 19.3 ms       | 18.7 ms            | 1.03x faster | Significant (t=7.46)   |
+-------------------------+---------------+--------------------+--------------+------------------------+
| json_loads              | 38.4 us       | 37.9 us            | 1.01x faster | Not significant        |
+-------------------------+---------------+--------------------+--------------+------------------------+
| logging_format          | 15.0 us       | 14.2 us            | 1.05x faster | Significant (t=6.32)   |
+-------------------------+---------------+--------------------+--------------+------------------------+
| logging_silent          | 328 ns        | 305 ns             | 1.07x faster | Significant (t=8.85)   |
+-------------------------+---------------+--------------------+--------------+------------------------+
| logging_simple          | 13.8 us       | 13.0 us            | 1.06x faster | Significant (t=10.77)  |
+-------------------------+---------------+--------------------+--------------+------------------------+
| mako                    | 25.2 ms       | 24.7 ms            | 1.02x faster | Not significant        |
+-------------------------+---------------+--------------------+--------------+------------------------+
| meteor_contest          | 133 ms        | 130 ms             | 1.03x faster | Significant (t=3.59)   |
+-------------------------+---------------+--------------------+--------------+------------------------+
| nbody                   | 222 ms        | 201 ms             | 1.10x faster | Significant (t=26.85)  |
+-------------------------+---------------+--------------------+--------------+------------------------+
| nqueens                 | 161 ms        | 152 ms             | 1.06x faster | Significant (t=8.84)   |
+-------------------------+---------------+--------------------+--------------+------------------------+
| pathlib                 | 28.4 ms       | 26.3 ms            | 1.08x faster | Significant (t=11.85)  |
+-------------------------+---------------+--------------------+--------------+------------------------+
| pickle                  | 13.8 us       | 13.1 us            | 1.06x faster | Significant (t=10.84)  |
+-------------------------+---------------+--------------------+--------------+------------------------+
| pickle_dict             | 32.7 us       | 26.6 us            | 1.23x faster | Significant (t=32.43)  |
+-------------------------+---------------+--------------------+--------------+------------------------+
| pickle_list             | 4.39 us       | 4.34 us            | 1.01x faster | Not significant        |
+-------------------------+---------------+--------------------+--------------+------------------------+
| pickle_pure_python      | 782 us        | 738 us             | 1.06x faster | Significant (t=15.71)  |
+-------------------------+---------------+--------------------+--------------+------------------------+
| pidigits                | 184 ms        | 181 ms             | 1.01x faster | Not significant        |
+-------------------------+---------------+--------------------+--------------+------------------------+
| pyflate                 | 1.02 sec      | 959 ms             | 1.07x faster | Significant (t=21.13)  |
+-------------------------+---------------+--------------------+--------------+------------------------+
| python_startup          | 34.3 ms       | 34.0 ms            | 1.01x faster | Not significant        |
+-------------------------+---------------+--------------------+--------------+------------------------+
| python_startup_no_site  | 15.5 ms       | 15.3 ms            | 1.01x faster | Not significant        |
+-------------------------+---------------+--------------------+--------------+------------------------+
| raytrace                | 912 ms        | 849 ms             | 1.07x faster | Significant (t=11.21)  |
+-------------------------+---------------+--------------------+--------------+------------------------+
| regex_compile           | 273 ms        | 261 ms             | 1.05x faster | Significant (t=5.82)   |
+-------------------------+---------------+--------------------+--------------+------------------------+
| regex_dna               | 188 ms        | 187 ms             | 1.00x faster | Not significant        |
+-------------------------+---------------+--------------------+--------------+------------------------+
| regex_effbot            | 3.37 ms       | 3.66 ms            | 1.09x slower | Significant (t=-16.12) |
+-------------------------+---------------+--------------------+--------------+------------------------+
| regex_v8                | 29.8 ms       | 29.7 ms            | 1.01x faster | Not significant        |
+-------------------------+---------------+--------------------+--------------+------------------------+
| richards                | 119 ms        | 113 ms             | 1.05x faster | Significant (t=5.71)   |
+-------------------------+---------------+--------------------+--------------+------------------------+
| scimark_fft             | 625 ms        | 592 ms             | 1.06x faster | Significant (t=19.64)  |
+-------------------------+---------------+--------------------+--------------+------------------------+
| scimark_lu              | 273 ms        | 253 ms             | 1.08x faster | Significant (t=16.68)  |
+-------------------------+---------------+--------------------+--------------+------------------------+
| scimark_monte_carlo     | 186 ms        | 170 ms             | 1.10x faster | Significant (t=14.70)  |
+-------------------------+---------------+--------------------+--------------+------------------------+
| scimark_sor             | 330 ms        | 310 ms             | 1.07x faster | Significant (t=11.89)  |
+-------------------------+---------------+--------------------+--------------+------------------------+
| scimark_sparse_mat_mult | 9.03 ms       | 8.36 ms            | 1.08x faster | Significant (t=17.71)  |
+-------------------------+---------------+--------------------+--------------+------------------------+
| spectral_norm           | 247 ms        | 232 ms             | 1.06x faster | Significant (t=14.64)  |
+-------------------------+---------------+--------------------+--------------+------------------------+
| sqlalchemy_declarative  | 194 ms        | 185 ms             | 1.04x faster | Significant (t=4.80)   |
+-------------------------+---------------+--------------------+--------------+------------------------+
| sqlalchemy_imperative   | 28.2 ms       | 27.4 ms            | 1.03x faster | Significant (t=3.80)   |
+-------------------------+---------------+--------------------+--------------+------------------------+
| sqlite_synth            | 4.89 us       | 4.73 us            | 1.03x faster | Significant (t=10.60)  |
+-------------------------+---------------+--------------------+--------------+------------------------+
| sympy_expand            | 833 ms        | 813 ms             | 1.02x faster | Significant (t=4.82)   |
+-------------------------+---------------+--------------------+--------------+------------------------+
| sympy_integrate         | 33.0 ms       | 31.6 ms            | 1.05x faster | Significant (t=6.47)   |
+-------------------------+---------------+--------------------+--------------+------------------------+
| sympy_str               | 490 ms        | 477 ms             | 1.03x faster | Significant (t=7.58)   |
+-------------------------+---------------+--------------------+--------------+------------------------+
| sympy_sum               | 254 ms        | 245 ms             | 1.04x faster | Significant (t=7.82)   |
+-------------------------+---------------+--------------------+--------------+------------------------+
| telco                   | 11.6 ms       | 11.3 ms            | 1.03x faster | Significant (t=5.62)   |
+-------------------------+---------------+--------------------+--------------+------------------------+
| tornado_http            | 175 ms        | 172 ms             | 1.02x faster | Not significant        |
+-------------------------+---------------+--------------------+--------------+------------------------+
| unpack_sequence         | 51.4 ns       | 56.2 ns            | 1.09x slower | Significant (t=-2.40)  |
+-------------------------+---------------+--------------------+--------------+------------------------+
| unpickle                | 20.3 us       | 19.8 us            | 1.02x faster | Significant (t=4.09)   |
+-------------------------+---------------+--------------------+--------------+------------------------+
| unpickle_list           | 5.41 us       | 5.75 us            | 1.06x slower | Significant (t=-26.56) |
+-------------------------+---------------+--------------------+--------------+------------------------+
| unpickle_pure_python    | 544 us        | 524 us             | 1.04x faster | Significant (t=6.47)   |
+-------------------------+---------------+--------------------+--------------+------------------------+
| xml_etree_generate      | 154 ms        | 148 ms             | 1.04x faster | Significant (t=7.98)   |
+-------------------------+---------------+--------------------+--------------+------------------------+
| xml_etree_iterparse     | 130 ms        | 129 ms             | 1.01x faster | Not significant        |
+-------------------------+---------------+--------------------+--------------+------------------------+
| xml_etree_parse         | 178 ms        | 179 ms             | 1.00x slower | Not significant        |
+-------------------------+---------------+--------------------+--------------+------------------------+
| xml_etree_process       | 123 ms        | 118 ms             | 1.04x faster | Significant (t=10.22)  |
+-------------------------+---------------+--------------------+--------------+------------------------+

[wiki page]: https://fedoraproject.org/wiki/Changes/PythonNoSemanticInterpositionSpeedup
 2021-07-05 12:34:02 -07:00