diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml index 6e63333b0da..9e6fcab32e1 100644 --- a/.github/workflows/test.yml +++ b/.github/workflows/test.yml @@ -52,15 +52,19 @@ jobs: include: - { python-version: "3.11", PYTHONOPTIMIZE: 1, REVERSE: "--reverse" } - { python-version: "3.10", PYTHONOPTIMIZE: 2 } + # SIMD-accelerated builds for x86 + - { os: "ubuntu-latest", python-version: "3.9", acceleration: "sse4"} + - { os: "ubuntu-latest", python-version: "3.12", acceleration: "avx2"} # Free-threaded - { os: "ubuntu-latest", python-version: "3.13-dev", disable-gil: true } # M1 only available for 3.10+ - { os: "macos-13", python-version: "3.9" } + - { os: "macos-13", python-version: "3.9", acceleration: "avx2"} exclude: - { os: "macos-14", python-version: "3.9" } runs-on: ${{ matrix.os }} - name: ${{ matrix.os }} Python ${{ matrix.python-version }} ${{ matrix.disable-gil && 'free-threaded' || '' }} + name: ${{ matrix.os }} Python ${{ matrix.python-version }} ${{ matrix.acceleration }} ${{ matrix.disable-gil && 'free-threaded' || '' }} steps: - uses: actions/checkout@v4 @@ -108,7 +112,7 @@ jobs: GHA_LIBIMAGEQUANT_CACHE_HIT: ${{ steps.cache-libimagequant.outputs.cache-hit }} - name: Install macOS dependencies - if: startsWith(matrix.os, 'macOS') + if: startsWith(matrix.os, 'macos') run: | .github/workflows/macos-install.sh env: @@ -118,6 +122,11 @@ jobs: if: "matrix.os == 'ubuntu-latest' && matrix.python-version == '3.12'" run: echo "::add-matcher::.github/problem-matchers/gcc.json" + - name: Set compiler options for optimization + if: ${{ matrix.acceleration }} + run: | + echo "CC=cc -m${{ matrix.acceleration }}" >> $GITHUB_ENV + - name: Build run: | .ci/build.sh diff --git a/Tests/test_features.py b/Tests/test_features.py index b7eefa09ae1..dbe53ee298c 100644 --- a/Tests/test_features.py +++ b/Tests/test_features.py @@ -36,7 +36,9 @@ def test(name: str, function: Callable[[str], str | None]) -> None: assert version is None else: assert function(name) == version - if name != "PIL": + if name == "acceleration": + assert version in ("avx2", "sse4", "sse2", "neon", None) + elif name != "PIL": if name == "zlib" and version is not None: version = re.sub(".zlib-ng$", "", version) elif name == "libtiff" and version is not None: diff --git a/src/PIL/features.py b/src/PIL/features.py index 13908c4eb78..ac7dbcb7fac 100644 --- a/src/PIL/features.py +++ b/src/PIL/features.py @@ -128,6 +128,7 @@ def get_supported_codecs() -> list[str]: "libjpeg_turbo": ("PIL._imaging", "HAVE_LIBJPEGTURBO", "libjpeg_turbo_version"), "libimagequant": ("PIL._imaging", "HAVE_LIBIMAGEQUANT", "imagequant_version"), "xcb": ("PIL._imaging", "HAVE_XCB", None), + "acceleration": ("PIL._imaging", "HAVE_ACCELERATION", "acceleration"), } @@ -267,6 +268,7 @@ def pilinfo(out: IO[str] | None = None, supported_formats: bool = True) -> None: for name, feature in [ ("pil", "PIL CORE"), + ("acceleration", "Acceleration"), ("tkinter", "TKINTER"), ("freetype2", "FREETYPE2"), ("littlecms2", "LITTLECMS2"), @@ -291,7 +293,7 @@ def pilinfo(out: IO[str] | None = None, supported_formats: bool = True) -> None: if v is None: v = version(name) if v is not None: - version_static = name in ("pil", "jpg") + version_static = name in ("pil", "jpg", "acceleration") if name == "littlecms2": # this check is also in src/_imagingcms.c:setup_module() version_static = tuple(int(x) for x in v.split(".")) < (2, 7) diff --git a/src/_imaging.c b/src/_imaging.c index 07d9a64ccff..184f5fb98a6 100644 --- a/src/_imaging.c +++ b/src/_imaging.c @@ -4407,6 +4407,24 @@ setup_module(PyObject *m) { Py_INCREF(have_xcb); PyModule_AddObject(m, "HAVE_XCB", have_xcb); + PyObject *have_acceleration = Py_True; +#ifdef __AVX2__ + PyModule_AddStringConstant(m, "acceleration", "avx2"); +#elif defined(__SSE4__) + PyModule_AddStringConstant(m, "acceleration", "sse4"); +#elif defined(__SSE2__) + PyModule_AddStringConstant(m, "acceleration", "sse2"); +#elif defined(__NEON__) + PyModule_AddStringConstant(m, "acceleration", "neon"); +#else + Py_INCREF(Py_None); + PyModule_AddObject(m, "acceleration", Py_None); + + have_acceleration = Py_False; +#endif + Py_INCREF(have_acceleration); + PyModule_AddObject(m, "HAVE_ACCELERATION", have_acceleration); + PyObject *pillow_version = PyUnicode_FromString(version); PyDict_SetItemString( d, "PILLOW_VERSION", pillow_version ? pillow_version : Py_None diff --git a/src/libImaging/Bands.c b/src/libImaging/Bands.c index e1b16b34ac0..0ab3156edc1 100644 --- a/src/libImaging/Bands.c +++ b/src/libImaging/Bands.c @@ -21,6 +21,9 @@ Imaging ImagingGetBand(Imaging imIn, int band) { Imaging imOut; int x, y; +#ifdef __SSE4__ + __m128i shuffle_mask; +#endif /* Check arguments */ if (!imIn || imIn->type != IMAGING_TYPE_UINT8) { @@ -46,14 +49,41 @@ ImagingGetBand(Imaging imIn, int band) { return NULL; } +#ifdef __SSE4__ + shuffle_mask = _mm_set_epi8( + -1, + -1, + -1, + -1, + -1, + -1, + -1, + -1, + -1, + -1, + -1, + -1, + 12 + band, + 8 + band, + 4 + band, + 0 + band + ); +#endif + /* Extract band from image */ for (y = 0; y < imIn->ysize; y++) { UINT8 *in = (UINT8 *)imIn->image[y] + band; UINT8 *out = imOut->image8[y]; x = 0; for (; x < imIn->xsize - 3; x += 4) { +#ifdef __SSE4__ + __m128i source = _mm_loadu_si128((__m128i *)(in - band)); + *((UINT32 *)(out + x)) = + _mm_cvtsi128_si32(_mm_shuffle_epi8(source, shuffle_mask)); +#else UINT32 v = MAKE_UINT32(in[0], in[4], in[8], in[12]); memcpy(out + x, &v, sizeof(v)); +#endif in += 16; } for (; x < imIn->xsize; x++) { @@ -99,10 +129,20 @@ ImagingSplit(Imaging imIn, Imaging bands[4]) { UINT8 *out1 = bands[1]->image8[y]; x = 0; for (; x < imIn->xsize - 3; x += 4) { +#ifdef __SSE4__ + __m128i source = _mm_loadu_si128((__m128i *)in); + source = _mm_shuffle_epi8( + source, + _mm_set_epi8(15, 11, 7, 3, 14, 10, 6, 2, 13, 9, 5, 1, 12, 8, 4, 0) + ); + *((UINT32 *)(out0 + x)) = _mm_cvtsi128_si32(source); + *((UINT32 *)(out1 + x)) = _mm_cvtsi128_si32(_mm_srli_si128(source, 12)); +#else UINT32 v = MAKE_UINT32(in[0], in[4], in[8], in[12]); memcpy(out0 + x, &v, sizeof(v)); v = MAKE_UINT32(in[0 + 3], in[4 + 3], in[8 + 3], in[12 + 3]); memcpy(out1 + x, &v, sizeof(v)); +#endif in += 16; } for (; x < imIn->xsize; x++) { @@ -119,12 +159,23 @@ ImagingSplit(Imaging imIn, Imaging bands[4]) { UINT8 *out2 = bands[2]->image8[y]; x = 0; for (; x < imIn->xsize - 3; x += 4) { +#ifdef __SSE4__ + __m128i source = _mm_loadu_si128((__m128i *)in); + source = _mm_shuffle_epi8( + source, + _mm_set_epi8(15, 11, 7, 3, 14, 10, 6, 2, 13, 9, 5, 1, 12, 8, 4, 0) + ); + *((UINT32 *)(out0 + x)) = _mm_cvtsi128_si32(source); + *((UINT32 *)(out1 + x)) = _mm_cvtsi128_si32(_mm_srli_si128(source, 4)); + *((UINT32 *)(out2 + x)) = _mm_cvtsi128_si32(_mm_srli_si128(source, 8)); +#else UINT32 v = MAKE_UINT32(in[0], in[4], in[8], in[12]); memcpy(out0 + x, &v, sizeof(v)); v = MAKE_UINT32(in[0 + 1], in[4 + 1], in[8 + 1], in[12 + 1]); memcpy(out1 + x, &v, sizeof(v)); v = MAKE_UINT32(in[0 + 2], in[4 + 2], in[8 + 2], in[12 + 2]); memcpy(out2 + x, &v, sizeof(v)); +#endif in += 16; } for (; x < imIn->xsize; x++) { @@ -143,6 +194,17 @@ ImagingSplit(Imaging imIn, Imaging bands[4]) { UINT8 *out3 = bands[3]->image8[y]; x = 0; for (; x < imIn->xsize - 3; x += 4) { +#ifdef __SSE4__ + __m128i source = _mm_loadu_si128((__m128i *)in); + source = _mm_shuffle_epi8( + source, + _mm_set_epi8(15, 11, 7, 3, 14, 10, 6, 2, 13, 9, 5, 1, 12, 8, 4, 0) + ); + *((UINT32 *)(out0 + x)) = _mm_cvtsi128_si32(source); + *((UINT32 *)(out1 + x)) = _mm_cvtsi128_si32(_mm_srli_si128(source, 4)); + *((UINT32 *)(out2 + x)) = _mm_cvtsi128_si32(_mm_srli_si128(source, 8)); + *((UINT32 *)(out3 + x)) = _mm_cvtsi128_si32(_mm_srli_si128(source, 12)); +#else UINT32 v = MAKE_UINT32(in[0], in[4], in[8], in[12]); memcpy(out0 + x, &v, sizeof(v)); v = MAKE_UINT32(in[0 + 1], in[4 + 1], in[8 + 1], in[12 + 1]); @@ -151,6 +213,7 @@ ImagingSplit(Imaging imIn, Imaging bands[4]) { memcpy(out2 + x, &v, sizeof(v)); v = MAKE_UINT32(in[0 + 3], in[4 + 3], in[8 + 3], in[12 + 3]); memcpy(out3 + x, &v, sizeof(v)); +#endif in += 16; } for (; x < imIn->xsize; x++) { diff --git a/src/libImaging/ImPlatform.h b/src/libImaging/ImPlatform.h index f6e7fb6b921..e5fb4595e39 100644 --- a/src/libImaging/ImPlatform.h +++ b/src/libImaging/ImPlatform.h @@ -96,3 +96,5 @@ typedef signed __int64 int64_t; #ifdef __GNUC__ #define GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) #endif + +#include "ImagingSIMD.h" diff --git a/src/libImaging/ImagingSIMD.h b/src/libImaging/ImagingSIMD.h new file mode 100644 index 00000000000..fbf612868a4 --- /dev/null +++ b/src/libImaging/ImagingSIMD.h @@ -0,0 +1,49 @@ +/* Microsoft compiler doesn't limit intrinsics for an architecture. + This macro is set only on x86 and means SSE2 and above including AVX2. */ +#if defined(_M_X64) || _M_IX86_FP == 2 +#define __SSE2__ +/* However, Microsoft compiler set __AVX2__ if /arch:AVX2 option is set */ +#ifdef __AVX2__ +#define __SSE4_2__ +#endif +#endif + +/* For better readability */ +#ifdef __SSE4_2__ +#define __SSE4__ +#endif +#ifdef __aarch64__ +#define __NEON__ +#endif + +#ifdef __SSE2__ +#include // MMX +#include // SSE +#include // SSE2 +#endif +#ifdef __SSE4__ +#include // SSE3 +#include // SSSE3 +#include // SSE4.1 +#include // SSE4.2 +#endif +#ifdef __AVX2__ +#include // AVX, AVX2 +#endif +#ifdef __NEON__ +#include // ARM NEON +#endif + +#ifdef __SSE4__ +static inline __m128i +mm_cvtepu8_epi32(void *ptr) { + return _mm_cvtepu8_epi32(_mm_cvtsi32_si128(*(INT32 *)ptr)); +} +#endif + +#ifdef __AVX2__ +static inline __m256i +mm256_cvtepu8_epi32(void *ptr) { + return _mm256_cvtepu8_epi32(_mm_loadl_epi64((__m128i *)ptr)); +} +#endif