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Tomasz SobczykandJoost VandeVondele 4766dfc395 Optimize FT activation and affine transform for NEON. 
This patch optimizes the NEON implementation in two ways.

    The activation layer after the feature transformer is rewritten to make it easier for the compiler to see through dependencies and unroll. This in itself is a minimal, but a positive improvement. Other architectures could benefit from this too in the future. This is not an algorithmic change.
    The affine transform for large matrices (first layer after FT) on NEON now utilizes the same optimized code path as >=SSSE3, which makes the memory accesses more sequential and makes better use of the available registers, which allows for code that has longer dependency chains.

Benchmarks from Redshift#161, profile-build with apple clang

george@Georges-MacBook-Air nets % ./stockfish-b82d93 bench 2>&1 | tail -4 (current master)
===========================
Total time (ms) : 2167
Nodes searched  : 4667742
Nodes/second    : 2154011
george@Georges-MacBook-Air nets % ./stockfish-7377b8 bench 2>&1 | tail -4 (this patch)
===========================
Total time (ms) : 1842
Nodes searched  : 4667742
Nodes/second    : 2534061

This is a solid 18% improvement overall, larger in a bench with NNUE-only, not mixed.

Improvement is also observed on armv7-neon (Raspberry Pi, and older phones), around 5% speedup.

No changes for architectures other than NEON.

closes https://github.com/official-stockfish/Stockfish/pull/3837

No functional changes.
2021-12-07 18:08:54 +01:00

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# Stockfish, a UCI chess playing engine derived from Glaurung 2.1
# Copyright (C) 2004-2021 The Stockfish developers (see AUTHORS file)
#
# Stockfish is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Stockfish is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
### ==========================================================================
### Section 1. General Configuration
### ==========================================================================
### Executable name
ifeq ($(COMP),mingw)
EXE = stockfish.exe
else
EXE = stockfish
endif
### Installation dir definitions
PREFIX = /usr/local
BINDIR = $(PREFIX)/bin
### Built-in benchmark for pgo-builds
ifeq ($(SDE_PATH),)
PGOBENCH = ./$(EXE) bench
else
PGOBENCH = $(SDE_PATH) -- ./$(EXE) bench
endif
### Source and object files
SRCS = benchmark.cpp bitbase.cpp bitboard.cpp endgame.cpp evaluate.cpp main.cpp \
material.cpp misc.cpp movegen.cpp movepick.cpp pawns.cpp position.cpp psqt.cpp \
search.cpp thread.cpp timeman.cpp tt.cpp uci.cpp ucioption.cpp tune.cpp syzygy/tbprobe.cpp \
nnue/evaluate_nnue.cpp nnue/features/half_ka_v2_hm.cpp
OBJS = $(notdir $(SRCS:.cpp=.o))
VPATH = syzygy:nnue:nnue/features
### Establish the operating system name
KERNEL = $(shell uname -s)
ifeq ($(KERNEL),Linux)
OS = $(shell uname -o)
endif
### ==========================================================================
### Section 2. High-level Configuration
### ==========================================================================
#
# flag --- Comp switch --- Description
# ----------------------------------------------------------------------------
#
# debug = yes/no --- -DNDEBUG --- Enable/Disable debug mode
# sanitize = none/<sanitizer> ... (-fsanitize )
# --- ( undefined ) --- enable undefined behavior checks
# --- ( thread ) --- enable threading error checks
# --- ( address ) --- enable memory access checks
# --- ...etc... --- see compiler documentation for supported sanitizers
# optimize = yes/no --- (-O3/-fast etc.) --- Enable/Disable optimizations
# arch = (name) --- (-arch) --- Target architecture
# bits = 64/32 --- -DIS_64BIT --- 64-/32-bit operating system
# prefetch = yes/no --- -DUSE_PREFETCH --- Use prefetch asm-instruction
# popcnt = yes/no --- -DUSE_POPCNT --- Use popcnt asm-instruction
# pext = yes/no --- -DUSE_PEXT --- Use pext x86_64 asm-instruction
# sse = yes/no --- -msse --- Use Intel Streaming SIMD Extensions
# mmx = yes/no --- -mmmx --- Use Intel MMX instructions
# sse2 = yes/no --- -msse2 --- Use Intel Streaming SIMD Extensions 2
# ssse3 = yes/no --- -mssse3 --- Use Intel Supplemental Streaming SIMD Extensions 3
# sse41 = yes/no --- -msse4.1 --- Use Intel Streaming SIMD Extensions 4.1
# avx2 = yes/no --- -mavx2 --- Use Intel Advanced Vector Extensions 2
# avxvnni = yes/no --- -mavxvnni --- Use Intel Vector Neural Network Instructions AVX
# avx512 = yes/no --- -mavx512bw --- Use Intel Advanced Vector Extensions 512
# vnni256 = yes/no --- -mavx512vnni --- Use Intel Vector Neural Network Instructions 256
# vnni512 = yes/no --- -mavx512vnni --- Use Intel Vector Neural Network Instructions 512
# neon = yes/no --- -DUSE_NEON --- Use ARM SIMD architecture
#
# Note that Makefile is space sensitive, so when adding new architectures
# or modifying existing flags, you have to make sure there are no extra spaces
# at the end of the line for flag values.
#
# Example of use for these flags:
# make build ARCH=x86-64-avx512 debug=yes sanitize="address undefined"
### 2.1. General and architecture defaults
ifeq ($(ARCH),)
ARCH = x86-64-modern
help_skip_sanity = yes
endif
# explicitly check for the list of supported architectures (as listed with make help),
# the user can override with `make ARCH=x86-32-vnni256 SUPPORTED_ARCH=true`
ifeq ($(ARCH), $(filter $(ARCH), \
x86-64-vnni512 x86-64-vnni256 x86-64-avx512 x86-64-avxvnni x86-64-bmi2 \
x86-64-avx2 x86-64-sse41-popcnt x86-64-modern x86-64-ssse3 x86-64-sse3-popcnt \
x86-64 x86-32-sse41-popcnt x86-32-sse2 x86-32 ppc-64 ppc-32 e2k \
armv7 armv7-neon armv8 apple-silicon general-64 general-32))
SUPPORTED_ARCH=true
else
SUPPORTED_ARCH=false
endif
optimize = yes
debug = no
sanitize = none
bits = 64
prefetch = no
popcnt = no
pext = no
sse = no
mmx = no
sse2 = no
ssse3 = no
sse41 = no
avx2 = no
avxvnni = no
avx512 = no
vnni256 = no
vnni512 = no
neon = no
arm_version = 0
STRIP = strip
### 2.2 Architecture specific
ifeq ($(findstring x86,$(ARCH)),x86)
# x86-32/64
ifeq ($(findstring x86-32,$(ARCH)),x86-32)
arch = i386
bits = 32
sse = yes
mmx = yes
else
arch = x86_64
sse = yes
sse2 = yes
endif
ifeq ($(findstring -sse,$(ARCH)),-sse)
sse = yes
endif
ifeq ($(findstring -popcnt,$(ARCH)),-popcnt)
popcnt = yes
endif
ifeq ($(findstring -mmx,$(ARCH)),-mmx)
mmx = yes
endif
ifeq ($(findstring -sse2,$(ARCH)),-sse2)
sse = yes
sse2 = yes
endif
ifeq ($(findstring -ssse3,$(ARCH)),-ssse3)
sse = yes
sse2 = yes
ssse3 = yes
endif
ifeq ($(findstring -sse41,$(ARCH)),-sse41)
sse = yes
sse2 = yes
ssse3 = yes
sse41 = yes
endif
ifeq ($(findstring -modern,$(ARCH)),-modern)
popcnt = yes
sse = yes
sse2 = yes
ssse3 = yes
sse41 = yes
endif
ifeq ($(findstring -avx2,$(ARCH)),-avx2)
popcnt = yes
sse = yes
sse2 = yes
ssse3 = yes
sse41 = yes
avx2 = yes
endif
ifeq ($(findstring -avxvnni,$(ARCH)),-avxvnni)
popcnt = yes
sse = yes
sse2 = yes
ssse3 = yes
sse41 = yes
avx2 = yes
avxvnni = yes
pext = yes
endif
ifeq ($(findstring -bmi2,$(ARCH)),-bmi2)
popcnt = yes
sse = yes
sse2 = yes
ssse3 = yes
sse41 = yes
avx2 = yes
pext = yes
endif
ifeq ($(findstring -avx512,$(ARCH)),-avx512)
popcnt = yes
sse = yes
sse2 = yes
ssse3 = yes
sse41 = yes
avx2 = yes
pext = yes
avx512 = yes
endif
ifeq ($(findstring -vnni256,$(ARCH)),-vnni256)
popcnt = yes
sse = yes
sse2 = yes
ssse3 = yes
sse41 = yes
avx2 = yes
pext = yes
vnni256 = yes
endif
ifeq ($(findstring -vnni512,$(ARCH)),-vnni512)
popcnt = yes
sse = yes
sse2 = yes
ssse3 = yes
sse41 = yes
avx2 = yes
pext = yes
avx512 = yes
vnni512 = yes
endif
ifeq ($(sse),yes)
prefetch = yes
endif
# 64-bit pext is not available on x86-32
ifeq ($(bits),32)
pext = no
endif
else
# all other architectures
ifeq ($(ARCH),general-32)
arch = any
bits = 32
endif
ifeq ($(ARCH),general-64)
arch = any
endif
ifeq ($(ARCH),armv7)
arch = armv7
prefetch = yes
bits = 32
arm_version = 7
endif
ifeq ($(ARCH),armv7-neon)
arch = armv7
prefetch = yes
popcnt = yes
neon = yes
bits = 32
arm_version = 7
endif
ifeq ($(ARCH),armv8)
arch = armv8
prefetch = yes
popcnt = yes
neon = yes
arm_version = 8
endif
ifeq ($(ARCH),apple-silicon)
arch = arm64
prefetch = yes
popcnt = yes
neon = yes
arm_version = 8
endif
ifeq ($(ARCH),ppc-32)
arch = ppc
bits = 32
endif
ifeq ($(ARCH),ppc-64)
arch = ppc64
popcnt = yes
prefetch = yes
endif
ifeq ($(findstring e2k,$(ARCH)),e2k)
arch = e2k
mmx = yes
bits = 64
sse = yes
sse2 = yes
ssse3 = yes
sse41 = yes
popcnt = yes
endif
endif
### ==========================================================================
### Section 3. Low-level Configuration
### ==========================================================================
### 3.1 Selecting compiler (default = gcc)
CXXFLAGS += -Wall -Wcast-qual -fno-exceptions -std=c++17 $(EXTRACXXFLAGS)
DEPENDFLAGS += -std=c++17
LDFLAGS += $(EXTRALDFLAGS)
ifeq ($(COMP),)
COMP=gcc
endif
ifeq ($(COMP),gcc)
comp=gcc
CXX=g++
CXXFLAGS += -pedantic -Wextra -Wshadow
ifeq ($(arch),$(filter $(arch),armv7 armv8))
ifeq ($(OS),Android)
CXXFLAGS += -m$(bits)
LDFLAGS += -m$(bits)
endif
else
CXXFLAGS += -m$(bits)
LDFLAGS += -m$(bits)
endif
ifeq ($(arch),$(filter $(arch),armv7))
LDFLAGS += -latomic
endif
ifneq ($(KERNEL),Darwin)
LDFLAGS += -Wl,--no-as-needed
endif
endif
ifeq ($(COMP),mingw)
comp=mingw
ifeq ($(KERNEL),Linux)
ifeq ($(bits),64)
ifeq ($(shell which x86_64-w64-mingw32-c++-posix),)
CXX=x86_64-w64-mingw32-c++
else
CXX=x86_64-w64-mingw32-c++-posix
endif
else
ifeq ($(shell which i686-w64-mingw32-c++-posix),)
CXX=i686-w64-mingw32-c++
else
CXX=i686-w64-mingw32-c++-posix
endif
endif
else
CXX=g++
endif
CXXFLAGS += -pedantic -Wextra -Wshadow
LDFLAGS += -static
endif
ifeq ($(COMP),icc)
comp=icc
CXX=icpc
CXXFLAGS += -diag-disable 1476,10120 -Wcheck -Wabi -Wdeprecated -strict-ansi
endif
ifeq ($(COMP),clang)
comp=clang
CXX=clang++
CXXFLAGS += -pedantic -Wextra -Wshadow
ifneq ($(KERNEL),Darwin)
ifneq ($(KERNEL),OpenBSD)
ifneq ($(KERNEL),FreeBSD)
ifneq ($(RTLIB),compiler-rt)
LDFLAGS += -latomic
endif
endif
endif
endif
ifeq ($(arch),$(filter $(arch),armv7 armv8))
ifeq ($(OS),Android)
CXXFLAGS += -m$(bits)
LDFLAGS += -m$(bits)
endif
else
CXXFLAGS += -m$(bits)
LDFLAGS += -m$(bits)
endif
endif
ifeq ($(KERNEL),Darwin)
CXXFLAGS += -mmacosx-version-min=10.14
LDFLAGS += -mmacosx-version-min=10.14
ifneq ($(arch),any)
CXXFLAGS += -arch $(arch)
LDFLAGS += -arch $(arch)
endif
XCRUN = xcrun
endif
# To cross-compile for Android, NDK version r21 or later is recommended.
# In earlier NDK versions, you'll need to pass -fno-addrsig if using GNU binutils.
# Currently we don't know how to make PGO builds with the NDK yet.
ifeq ($(COMP),ndk)
CXXFLAGS += -stdlib=libc++ -fPIE
comp=clang
ifeq ($(arch),armv7)
CXX=armv7a-linux-androideabi16-clang++
CXXFLAGS += -mthumb -march=armv7-a -mfloat-abi=softfp -mfpu=neon
STRIP=arm-linux-androideabi-strip
endif
ifeq ($(arch),armv8)
CXX=aarch64-linux-android21-clang++
STRIP=aarch64-linux-android-strip
endif
LDFLAGS += -static-libstdc++ -pie -lm -latomic
endif
ifeq ($(comp),icc)
profile_make = icc-profile-make
profile_use = icc-profile-use
else ifeq ($(comp),clang)
profile_make = clang-profile-make
profile_use = clang-profile-use
else
profile_make = gcc-profile-make
profile_use = gcc-profile-use
endif
### Travis CI script uses COMPILER to overwrite CXX
ifdef COMPILER
COMPCXX=$(COMPILER)
endif
### Allow overwriting CXX from command line
ifdef COMPCXX
CXX=$(COMPCXX)
endif
### Sometimes gcc is really clang
ifeq ($(COMP),gcc)
gccversion = $(shell $(CXX) --version)
gccisclang = $(findstring clang,$(gccversion))
ifneq ($(gccisclang),)
profile_make = clang-profile-make
profile_use = clang-profile-use
endif
endif
### On mingw use Windows threads, otherwise POSIX
ifneq ($(comp),mingw)
CXXFLAGS += -DUSE_PTHREADS
# On Android Bionic's C library comes with its own pthread implementation bundled in
ifneq ($(OS),Android)
# Haiku has pthreads in its libroot, so only link it in on other platforms
ifneq ($(KERNEL),Haiku)
ifneq ($(COMP),ndk)
LDFLAGS += -lpthread
endif
endif
endif
endif
### 3.2.1 Debugging
ifeq ($(debug),no)
CXXFLAGS += -DNDEBUG
else
CXXFLAGS += -g
endif
### 3.2.2 Debugging with undefined behavior sanitizers
ifneq ($(sanitize),none)
CXXFLAGS += -g3 $(addprefix -fsanitize=,$(sanitize))
LDFLAGS += $(addprefix -fsanitize=,$(sanitize))
endif
### 3.3 Optimization
ifeq ($(optimize),yes)
CXXFLAGS += -O3
ifeq ($(comp),gcc)
ifeq ($(OS), Android)
CXXFLAGS += -fno-gcse -mthumb -march=armv7-a -mfloat-abi=softfp
endif
endif
ifeq ($(comp),$(filter $(comp),gcc clang icc))
ifeq ($(KERNEL),Darwin)
CXXFLAGS += -mdynamic-no-pic
endif
endif
ifeq ($(comp),clang)
CXXFLAGS += -fexperimental-new-pass-manager
endif
endif
### 3.4 Bits
ifeq ($(bits),64)
CXXFLAGS += -DIS_64BIT
endif
### 3.5 prefetch and popcount
ifeq ($(prefetch),yes)
ifeq ($(sse),yes)
CXXFLAGS += -msse
endif
else
CXXFLAGS += -DNO_PREFETCH
endif
ifeq ($(popcnt),yes)
ifeq ($(arch),$(filter $(arch),ppc64 armv7 armv8 arm64))
CXXFLAGS += -DUSE_POPCNT
else ifeq ($(comp),icc)
CXXFLAGS += -msse3 -DUSE_POPCNT
else
CXXFLAGS += -msse3 -mpopcnt -DUSE_POPCNT
endif
endif
### 3.6 SIMD architectures
ifeq ($(avx2),yes)
CXXFLAGS += -DUSE_AVX2
ifeq ($(comp),$(filter $(comp),gcc clang mingw))
CXXFLAGS += -mavx2
endif
endif
ifeq ($(avxvnni),yes)
CXXFLAGS += -DUSE_VNNI -DUSE_AVXVNNI
ifeq ($(comp),$(filter $(comp),gcc clang mingw))
CXXFLAGS += -mavxvnni
endif
endif
ifeq ($(avx512),yes)
CXXFLAGS += -DUSE_AVX512
ifeq ($(comp),$(filter $(comp),gcc clang mingw))
CXXFLAGS += -mavx512f -mavx512bw
endif
endif
ifeq ($(vnni256),yes)
CXXFLAGS += -DUSE_VNNI
ifeq ($(comp),$(filter $(comp),gcc clang mingw))
CXXFLAGS += -mavx512f -mavx512bw -mavx512vnni -mavx512dq -mavx512vl -mprefer-vector-width=256
endif
endif
ifeq ($(vnni512),yes)
CXXFLAGS += -DUSE_VNNI
ifeq ($(comp),$(filter $(comp),gcc clang mingw))
CXXFLAGS += -mavx512vnni -mavx512dq -mavx512vl
endif
endif
ifeq ($(sse41),yes)
CXXFLAGS += -DUSE_SSE41
ifeq ($(comp),$(filter $(comp),gcc clang mingw))
CXXFLAGS += -msse4.1
endif
endif
ifeq ($(ssse3),yes)
CXXFLAGS += -DUSE_SSSE3
ifeq ($(comp),$(filter $(comp),gcc clang mingw))
CXXFLAGS += -mssse3
endif
endif
ifeq ($(sse2),yes)
CXXFLAGS += -DUSE_SSE2
ifeq ($(comp),$(filter $(comp),gcc clang mingw))
CXXFLAGS += -msse2
endif
endif
ifeq ($(mmx),yes)
CXXFLAGS += -DUSE_MMX
ifeq ($(comp),$(filter $(comp),gcc clang mingw))
CXXFLAGS += -mmmx
endif
endif
ifeq ($(neon),yes)
CXXFLAGS += -DUSE_NEON=$(arm_version)
ifeq ($(KERNEL),Linux)
ifneq ($(COMP),ndk)
ifneq ($(arch),armv8)
CXXFLAGS += -mfpu=neon
endif
endif
endif
endif
### 3.7 pext
ifeq ($(pext),yes)
CXXFLAGS += -DUSE_PEXT
ifeq ($(comp),$(filter $(comp),gcc clang mingw))
CXXFLAGS += -mbmi2
endif
endif
### 3.8 Link Time Optimization
### This is a mix of compile and link time options because the lto link phase
### needs access to the optimization flags.
ifeq ($(optimize),yes)
ifeq ($(debug), no)
ifeq ($(comp),clang)
CXXFLAGS += -flto
ifneq ($(findstring MINGW,$(KERNEL)),)
CXXFLAGS += -fuse-ld=lld
else ifneq ($(findstring MSYS,$(KERNEL)),)
CXXFLAGS += -fuse-ld=lld
endif
LDFLAGS += $(CXXFLAGS)
# GCC and CLANG use different methods for parallelizing LTO and CLANG pretends to be
# GCC on some systems.
else ifeq ($(comp),gcc)
ifeq ($(gccisclang),)
CXXFLAGS += -flto
LDFLAGS += $(CXXFLAGS) -flto=jobserver
ifneq ($(findstring MINGW,$(KERNEL)),)
LDFLAGS += -save-temps
else ifneq ($(findstring MSYS,$(KERNEL)),)
LDFLAGS += -save-temps
endif
else
CXXFLAGS += -flto
LDFLAGS += $(CXXFLAGS)
endif
# To use LTO and static linking on windows, the tool chain requires a recent gcc:
# gcc version 10.1 in msys2 or TDM-GCC version 9.2 are known to work, older might not.
# So, only enable it for a cross from Linux by default.
else ifeq ($(comp),mingw)
ifeq ($(KERNEL),Linux)
ifneq ($(arch),i386)
CXXFLAGS += -flto
LDFLAGS += $(CXXFLAGS) -flto=jobserver
endif
endif
endif
endif
endif
### 3.9 Android 5 can only run position independent executables. Note that this
### breaks Android 4.0 and earlier.
ifeq ($(OS), Android)
CXXFLAGS += -fPIE
LDFLAGS += -fPIE -pie
endif
### ==========================================================================
### Section 4. Public Targets
### ==========================================================================
help:
@echo ""
@echo "To compile stockfish, type: "
@echo ""
@echo "make target ARCH=arch [COMP=compiler] [COMPCXX=cxx]"
@echo ""
@echo "Supported targets:"
@echo ""
@echo "help > Display architecture details"
@echo "build > Standard build"
@echo "net > Download the default nnue net"
@echo "profile-build > Faster build (with profile-guided optimization)"
@echo "strip > Strip executable"
@echo "install > Install executable"
@echo "clean > Clean up"
@echo ""
@echo "Supported archs:"
@echo ""
@echo "x86-64-vnni512 > x86 64-bit with vnni support 512bit wide"
@echo "x86-64-vnni256 > x86 64-bit with vnni support 256bit wide"
@echo "x86-64-avx512 > x86 64-bit with avx512 support"
@echo "x86-64-avxvnni > x86 64-bit with avxvnni support"
@echo "x86-64-bmi2 > x86 64-bit with bmi2 support"
@echo "x86-64-avx2 > x86 64-bit with avx2 support"
@echo "x86-64-sse41-popcnt > x86 64-bit with sse41 and popcnt support"
@echo "x86-64-modern > common modern CPU, currently x86-64-sse41-popcnt"
@echo "x86-64-ssse3 > x86 64-bit with ssse3 support"
@echo "x86-64-sse3-popcnt > x86 64-bit with sse3 and popcnt support"
@echo "x86-64 > x86 64-bit generic (with sse2 support)"
@echo "x86-32-sse41-popcnt > x86 32-bit with sse41 and popcnt support"
@echo "x86-32-sse2 > x86 32-bit with sse2 support"
@echo "x86-32 > x86 32-bit generic (with mmx and sse support)"
@echo "ppc-64 > PPC 64-bit"
@echo "ppc-32 > PPC 32-bit"
@echo "armv7 > ARMv7 32-bit"
@echo "armv7-neon > ARMv7 32-bit with popcnt and neon"
@echo "armv8 > ARMv8 64-bit with popcnt and neon"
@echo "e2k > Elbrus 2000"
@echo "apple-silicon > Apple silicon ARM64"
@echo "general-64 > unspecified 64-bit"
@echo "general-32 > unspecified 32-bit"
@echo ""
@echo "Supported compilers:"
@echo ""
@echo "gcc > Gnu compiler (default)"
@echo "mingw > Gnu compiler with MinGW under Windows"
@echo "clang > LLVM Clang compiler"
@echo "icc > Intel compiler"
@echo "ndk > Google NDK to cross-compile for Android"
@echo ""
@echo "Simple examples. If you don't know what to do, you likely want to run: "
@echo ""
@echo "make -j build ARCH=x86-64 (A portable, slow compile for 64-bit systems)"
@echo "make -j build ARCH=x86-32 (A portable, slow compile for 32-bit systems)"
@echo ""
@echo "Advanced examples, for experienced users looking for performance: "
@echo ""
@echo "make help ARCH=x86-64-bmi2"
@echo "make -j profile-build ARCH=x86-64-bmi2 COMP=gcc COMPCXX=g++-9.0"
@echo "make -j build ARCH=x86-64-ssse3 COMP=clang"
@echo ""
@echo "-------------------------------"
ifeq ($(SUPPORTED_ARCH)$(help_skip_sanity), true)
@echo "The selected architecture $(ARCH) will enable the following configuration: "
@$(MAKE) ARCH=$(ARCH) COMP=$(COMP) config-sanity
else
@echo "Specify a supported architecture with the ARCH option for more details"
@echo ""
endif
.PHONY: help build profile-build strip install clean net objclean profileclean \
config-sanity icc-profile-use icc-profile-make gcc-profile-use gcc-profile-make \
clang-profile-use clang-profile-make
build: net config-sanity
$(MAKE) ARCH=$(ARCH) COMP=$(COMP) all
profile-build: net config-sanity objclean profileclean
@echo ""
@echo "Step 1/4. Building instrumented executable ..."
$(MAKE) ARCH=$(ARCH) COMP=$(COMP) $(profile_make)
@echo ""
@echo "Step 2/4. Running benchmark for pgo-build ..."
$(PGOBENCH) 2>&1 | tail -n 4
@echo ""
@echo "Step 3/4. Building optimized executable ..."
$(MAKE) ARCH=$(ARCH) COMP=$(COMP) objclean
$(MAKE) ARCH=$(ARCH) COMP=$(COMP) $(profile_use)
@echo ""
@echo "Step 4/4. Deleting profile data ..."
$(MAKE) ARCH=$(ARCH) COMP=$(COMP) profileclean
strip:
$(STRIP) $(EXE)
install:
-mkdir -p -m 755 $(BINDIR)
-cp $(EXE) $(BINDIR)
-strip $(BINDIR)/$(EXE)
# clean all
clean: objclean profileclean
@rm -f .depend *~ core
# evaluation network (nnue)
net:
$(eval nnuenet := $(shell grep EvalFileDefaultName evaluate.h | grep define | sed 's/.*\(nn-[a-z0-9]\{12\}.nnue\).*/\1/'))
@echo "Default net: $(nnuenet)"
$(eval nnuedownloadurl := https://tests.stockfishchess.org/api/nn/$(nnuenet))
$(eval curl_or_wget := $(shell if hash curl 2>/dev/null; then echo "curl -skL"; elif hash wget 2>/dev/null; then echo "wget -qO-"; fi))
@if test -f "$(nnuenet)"; then \
echo "Already available."; \
else \
if [ "x$(curl_or_wget)" = "x" ]; then \
echo "Automatic download failed: neither curl nor wget is installed. Install one of these tools or download the net manually"; exit 1; \
else \
echo "Downloading $(nnuedownloadurl)"; $(curl_or_wget) $(nnuedownloadurl) > $(nnuenet);\
fi; \
fi;
$(eval shasum_command := $(shell if hash shasum 2>/dev/null; then echo "shasum -a 256 "; elif hash sha256sum 2>/dev/null; then echo "sha256sum "; fi))
@if [ "x$(shasum_command)" != "x" ]; then \
if [ "$(nnuenet)" != "nn-"`$(shasum_command) $(nnuenet) | cut -c1-12`".nnue" ]; then \
echo "Failed download or $(nnuenet) corrupted, please delete!"; exit 1; \
fi \
else \
echo "shasum / sha256sum not found, skipping net validation"; \
fi
# clean binaries and objects
objclean:
@rm -f $(EXE) *.o ./syzygy/*.o ./nnue/*.o ./nnue/features/*.o
# clean auxiliary profiling files
profileclean:
@rm -rf profdir
@rm -f bench.txt *.gcda *.gcno ./syzygy/*.gcda ./nnue/*.gcda ./nnue/features/*.gcda *.s
@rm -f stockfish.profdata *.profraw
@rm -f stockfish.exe.lto_wrapper_args
@rm -f stockfish.exe.ltrans.out
@rm -f ./-lstdc++.res
default:
help
### ==========================================================================
### Section 5. Private Targets
### ==========================================================================
all: $(EXE) .depend
config-sanity: net
@echo ""
@echo "Config:"
@echo "debug: '$(debug)'"
@echo "sanitize: '$(sanitize)'"
@echo "optimize: '$(optimize)'"
@echo "arch: '$(arch)'"
@echo "bits: '$(bits)'"
@echo "kernel: '$(KERNEL)'"
@echo "os: '$(OS)'"
@echo "prefetch: '$(prefetch)'"
@echo "popcnt: '$(popcnt)'"
@echo "pext: '$(pext)'"
@echo "sse: '$(sse)'"
@echo "mmx: '$(mmx)'"
@echo "sse2: '$(sse2)'"
@echo "ssse3: '$(ssse3)'"
@echo "sse41: '$(sse41)'"
@echo "avx2: '$(avx2)'"
@echo "avxvnni: '$(avxvnni)'"
@echo "avx512: '$(avx512)'"
@echo "vnni256: '$(vnni256)'"
@echo "vnni512: '$(vnni512)'"
@echo "neon: '$(neon)'"
@echo "arm_version: '$(arm_version)'"
@echo ""
@echo "Flags:"
@echo "CXX: $(CXX)"
@echo "CXXFLAGS: $(CXXFLAGS)"
@echo "LDFLAGS: $(LDFLAGS)"
@echo ""
@echo "Testing config sanity. If this fails, try 'make help' ..."
@echo ""
@test "$(debug)" = "yes" || test "$(debug)" = "no"
@test "$(optimize)" = "yes" || test "$(optimize)" = "no"
@test "$(SUPPORTED_ARCH)" = "true"
@test "$(arch)" = "any" || test "$(arch)" = "x86_64" || test "$(arch)" = "i386" || \
test "$(arch)" = "ppc64" || test "$(arch)" = "ppc" || test "$(arch)" = "e2k" || \
test "$(arch)" = "armv7" || test "$(arch)" = "armv8" || test "$(arch)" = "arm64"
@test "$(bits)" = "32" || test "$(bits)" = "64"
@test "$(prefetch)" = "yes" || test "$(prefetch)" = "no"
@test "$(popcnt)" = "yes" || test "$(popcnt)" = "no"
@test "$(pext)" = "yes" || test "$(pext)" = "no"
@test "$(sse)" = "yes" || test "$(sse)" = "no"
@test "$(mmx)" = "yes" || test "$(mmx)" = "no"
@test "$(sse2)" = "yes" || test "$(sse2)" = "no"
@test "$(ssse3)" = "yes" || test "$(ssse3)" = "no"
@test "$(sse41)" = "yes" || test "$(sse41)" = "no"
@test "$(avx2)" = "yes" || test "$(avx2)" = "no"
@test "$(avx512)" = "yes" || test "$(avx512)" = "no"
@test "$(vnni256)" = "yes" || test "$(vnni256)" = "no"
@test "$(vnni512)" = "yes" || test "$(vnni512)" = "no"
@test "$(neon)" = "yes" || test "$(neon)" = "no"
@test "$(comp)" = "gcc" || test "$(comp)" = "icc" || test "$(comp)" = "mingw" || test "$(comp)" = "clang" \
|| test "$(comp)" = "armv7a-linux-androideabi16-clang" || test "$(comp)" = "aarch64-linux-android21-clang"
$(EXE): $(OBJS)
+$(CXX) -o $@ $(OBJS) $(LDFLAGS)
clang-profile-make:
$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \
EXTRACXXFLAGS='-fprofile-instr-generate ' \
EXTRALDFLAGS=' -fprofile-instr-generate' \
all
clang-profile-use:
$(XCRUN) llvm-profdata merge -output=stockfish.profdata *.profraw
$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \
EXTRACXXFLAGS='-fprofile-instr-use=stockfish.profdata' \
EXTRALDFLAGS='-fprofile-use ' \
all
gcc-profile-make:
@mkdir -p profdir
$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \
EXTRACXXFLAGS='-fprofile-generate=profdir' \
EXTRALDFLAGS='-lgcov' \
all
gcc-profile-use:
$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \
EXTRACXXFLAGS='-fprofile-use=profdir -fno-peel-loops -fno-tracer' \
EXTRALDFLAGS='-lgcov' \
all
icc-profile-make:
@mkdir -p profdir
$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \
EXTRACXXFLAGS='-prof-gen=srcpos -prof_dir ./profdir' \
all
icc-profile-use:
$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \
EXTRACXXFLAGS='-prof_use -prof_dir ./profdir' \
all
.depend: $(SRCS)
-@$(CXX) $(DEPENDFLAGS) -MM $(SRCS) > $@ 2> /dev/null
-include .depend
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