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firefox/pgo.patch

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diff -up firefox-116.0/build/moz.configure/lto-pgo.configure.pgo firefox-116.0/build/moz.configure/lto-pgo.configure
--- firefox-116.0/build/moz.configure/lto-pgo.configure.pgo 2023-07-24 22:39:09.000000000 +0200
+++ firefox-116.0/build/moz.configure/lto-pgo.configure 2023-07-25 10:58:24.992687495 +0200
@@ -93,7 +93,7 @@ def pgo_flags(compiler, profdata, target
return namespace(
gen_cflags=["-fprofile-generate"],
gen_ldflags=["-fprofile-generate"],
- use_cflags=["-fprofile-use", "-fprofile-correction", "-Wcoverage-mismatch"],
+ use_cflags=["-fprofile-use", "-fprofile-correction", "-Wno-coverage-mismatch"],
use_ldflags=["-fprofile-use"],
)
diff -up firefox-116.0/build/pgo/profileserver.py.pgo firefox-116.0/build/pgo/profileserver.py
--- firefox-116.0/build/pgo/profileserver.py.pgo 2023-07-24 22:39:09.000000000 +0200
+++ firefox-116.0/build/pgo/profileserver.py 2023-07-25 10:58:24.992687495 +0200
@@ -11,7 +11,7 @@ import subprocess
import sys
import mozcrash
-from mozbuild.base import BinaryNotFoundException, MozbuildObject
+from mozbuild.base import BinaryNotFoundException, MozbuildObject, BuildEnvironmentNotFoundException
from mozfile import TemporaryDirectory
from mozhttpd import MozHttpd
from mozprofile import FirefoxProfile, Preferences
@@ -87,9 +87,22 @@ if __name__ == "__main__":
locations = ServerLocations()
locations.add_host(host="127.0.0.1", port=PORT, options="primary,privileged")
- old_profraw_files = glob.glob("*.profraw")
- for f in old_profraw_files:
- os.remove(f)
+ using_gcc = False
+ try:
+ if build.config_environment.substs.get('CC_TYPE') == 'gcc':
+ using_gcc = True
+ except BuildEnvironmentNotFoundException:
+ pass
+
+ if using_gcc:
+ for dirpath, _, filenames in os.walk('.'):
+ for f in filenames:
+ if f.endswith('.gcda'):
+ os.remove(os.path.join(dirpath, f))
+ else:
+ old_profraw_files = glob.glob('*.profraw')
+ for f in old_profraw_files:
+ os.remove(f)
with TemporaryDirectory() as profilePath:
# TODO: refactor this into mozprofile
diff -up firefox-116.0/gfx/2d/moz.build.pgo firefox-116.0/gfx/2d/moz.build
--- firefox-116.0/gfx/2d/moz.build.pgo 2023-07-24 22:39:10.000000000 +0200
+++ firefox-116.0/gfx/2d/moz.build 2023-07-25 10:58:24.992687495 +0200
@@ -136,11 +136,11 @@ if CONFIG["INTEL_ARCHITECTURE"]:
# The file uses SSE2 intrinsics, so it needs special compile flags on some
# compilers.
SOURCES["BlurSSE2.cpp"].flags += CONFIG["SSE2_FLAGS"]
- SOURCES["ConvolutionFilterAVX2.cpp"].flags += ["-mavx2"]
+ SOURCES["ConvolutionFilterAVX2.cpp"].flags += ["-mavx2", "-fno-lto"]
SOURCES["ConvolutionFilterSSE2.cpp"].flags += CONFIG["SSE2_FLAGS"]
SOURCES["FilterProcessingSSE2.cpp"].flags += CONFIG["SSE2_FLAGS"]
SOURCES["ImageScalingSSE2.cpp"].flags += CONFIG["SSE2_FLAGS"]
- SOURCES["SwizzleAVX2.cpp"].flags += ["-mavx2"]
+ SOURCES["SwizzleAVX2.cpp"].flags += ["-mavx2", "-fno-lto"]
SOURCES["SwizzleSSE2.cpp"].flags += CONFIG["SSE2_FLAGS"]
SOURCES["SwizzleSSSE3.cpp"].flags += CONFIG["SSSE3_FLAGS"]
SOURCES["ssse3-scaler.c"].flags += CONFIG["SSSE3_FLAGS"]
diff -up firefox-116.0/gfx/skia/generate_mozbuild.py.pgo firefox-116.0/gfx/skia/generate_mozbuild.py
--- firefox-116.0/gfx/skia/generate_mozbuild.py.pgo 2023-07-25 10:58:24.993687530 +0200
+++ firefox-116.0/gfx/skia/generate_mozbuild.py 2023-07-25 10:59:43.428384144 +0200
@@ -54,10 +54,10 @@ if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'wind
if CONFIG['INTEL_ARCHITECTURE']:
SOURCES['skia/src/opts/SkOpts_ssse3.cpp'].flags += ['-Dskvx=skvx_ssse3', '-mssse3']
SOURCES['skia/src/opts/SkOpts_sse42.cpp'].flags += ['-Dskvx=skvx_sse42', '-msse4.2']
- SOURCES['skia/src/opts/SkOpts_avx.cpp'].flags += ['-Dskvx=skvx_avx', '-mavx']
- SOURCES['skia/src/opts/SkOpts_hsw.cpp'].flags += ['-Dskvx=skvx_hsw', '-mavx2', '-mf16c', '-mfma']
+ SOURCES['skia/src/opts/SkOpts_avx.cpp'].flags += ['-Dskvx=skvx_avx', '-mavx', '-fno-lto']
+ SOURCES['skia/src/opts/SkOpts_hsw.cpp'].flags += ['-Dskvx=skvx_hsw', '-mavx2', '-mf16c', '-mfma', '-fno-lto']
if not CONFIG["MOZ_CODE_COVERAGE"]:
- SOURCES['skia/src/opts/SkOpts_skx.cpp'].flags += ['-Dskvx=skvx_skx', '-mavx512f', '-mavx512dq', '-mavx512cd', '-mavx512bw', '-mavx512vl']
+ SOURCES['skia/src/opts/SkOpts_skx.cpp'].flags += ['-Dskvx=skvx_skx', '-mavx512f', '-mavx512dq', '-mavx512cd', '-mavx512bw', '-mavx512vl', '-fno-lto']
elif CONFIG['CPU_ARCH'] == 'aarch64' and CONFIG['CC_TYPE'] in ('clang', 'gcc'):
SOURCES['skia/src/opts/SkOpts_crc32.cpp'].flags += ['-Dskvx=skvx_crc32', '-march=armv8-a+crc']
diff -up firefox-116.0/gfx/skia/moz.build.pgo firefox-116.0/gfx/skia/moz.build
--- firefox-116.0/gfx/skia/moz.build.pgo 2023-07-25 10:58:24.993687530 +0200
+++ firefox-116.0/gfx/skia/moz.build 2023-07-25 11:00:20.382652180 +0200
@@ -564,10 +564,10 @@ if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'wind
if CONFIG['INTEL_ARCHITECTURE']:
SOURCES['skia/src/opts/SkOpts_ssse3.cpp'].flags += ['-Dskvx=skvx_ssse3', '-mssse3']
SOURCES['skia/src/opts/SkOpts_sse42.cpp'].flags += ['-Dskvx=skvx_sse42', '-msse4.2']
- SOURCES['skia/src/opts/SkOpts_avx.cpp'].flags += ['-Dskvx=skvx_avx', '-mavx']
- SOURCES['skia/src/opts/SkOpts_hsw.cpp'].flags += ['-Dskvx=skvx_hsw', '-mavx2', '-mf16c', '-mfma']
+ SOURCES['skia/src/opts/SkOpts_avx.cpp'].flags += ['-Dskvx=skvx_avx', '-mavx', '-fno-lto']
+ SOURCES['skia/src/opts/SkOpts_hsw.cpp'].flags += ['-Dskvx=skvx_hsw', '-mavx2', '-mf16c', '-mfma', '-fno-lto']
if not CONFIG["MOZ_CODE_COVERAGE"]:
- SOURCES['skia/src/opts/SkOpts_skx.cpp'].flags += ['-Dskvx=skvx_skx', '-mavx512f', '-mavx512dq', '-mavx512cd', '-mavx512bw', '-mavx512vl']
+ SOURCES['skia/src/opts/SkOpts_skx.cpp'].flags += ['-Dskvx=skvx_skx', '-mavx512f', '-mavx512dq', '-mavx512cd', '-mavx512bw', '-mavx512vl', '-fno-lto']
elif CONFIG['CPU_ARCH'] == 'aarch64' and CONFIG['CC_TYPE'] in ('clang', 'gcc'):
SOURCES['skia/src/opts/SkOpts_crc32.cpp'].flags += ['-Dskvx=skvx_crc32', '-march=armv8-a+crc']
diff -up firefox-116.0/toolkit/components/terminator/nsTerminator.cpp.pgo firefox-116.0/toolkit/components/terminator/nsTerminator.cpp
--- firefox-116.0/toolkit/components/terminator/nsTerminator.cpp.pgo 2023-07-24 22:39:24.000000000 +0200
+++ firefox-116.0/toolkit/components/terminator/nsTerminator.cpp 2023-07-25 10:58:24.993687530 +0200
@@ -460,6 +460,11 @@ void nsTerminator::StartWatchdog() {
}
#endif
+ // Disable watchdog for PGO train builds - writting profile information at
+ // exit may take time and it is better to make build hang rather than
+ // silently produce poorly performing binary.
+ crashAfterMS = INT32_MAX;
+
UniquePtr<Options> options(new Options());
// crashAfterTicks is guaranteed to be > 0 as
// crashAfterMS >= ADDITIONAL_WAIT_BEFORE_CRASH_MS >> HEARTBEAT_INTERVAL_MS
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