cosmopolitan/examples/BUILD.mk

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#-*-mode:makefile-gmake;indent-tabs-mode:t;tab-width:8;coding:utf-8-*-┐
#── vi: set noet ft=make ts=8 sw=8 fenc=utf-8 :vi ────────────────────┘
PKGS += EXAMPLES
ifeq ($(MODE),tiny)
EXAMPLES_BOOTLOADER = $(CRT) $(APE)
else
EXAMPLES_BOOTLOADER = $(CRT) $(APE_NO_MODIFY_SELF)
endif
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EXAMPLES_FILES := $(wildcard examples/*)
EXAMPLES_MAINS_S = $(filter %.S,$(EXAMPLES_FILES))
EXAMPLES_MAINS_C = $(filter %.c,$(EXAMPLES_FILES))
EXAMPLES_MAINS_CC = $(filter %.cc,$(EXAMPLES_FILES))
EXAMPLES_SRCS = \
$(EXAMPLES_MAINS_S) \
$(EXAMPLES_MAINS_C) \
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$(EXAMPLES_MAINS_CC)
EXAMPLES_MAINS = \
$(EXAMPLES_MAINS_S) \
$(EXAMPLES_MAINS_C) \
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$(EXAMPLES_MAINS_CC)
EXAMPLES_OBJS = \
$(EXAMPLES_MAINS_S:%.S=o/$(MODE)/%.o) \
$(EXAMPLES_MAINS_C:%.c=o/$(MODE)/%.o) \
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$(EXAMPLES_MAINS_CC:%.cc=o/$(MODE)/%.o)
EXAMPLES_COMS = \
$(EXAMPLES_MAINS_S:%.S=o/$(MODE)/%) \
$(EXAMPLES_MAINS_C:%.c=o/$(MODE)/%) \
$(EXAMPLES_MAINS_CC:%.cc=o/$(MODE)/%)
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EXAMPLES_BINS = \
$(EXAMPLES_COMS) \
$(EXAMPLES_COMS:%=%.dbg)
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EXAMPLES_DIRECTDEPS = \
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CTL \
DSP_AUDIO \
DSP_CORE \
DSP_SCALE \
DSP_TTY \
LIBC_CALLS \
LIBC_DLOPEN \
LIBC_FMT \
LIBC_INTRIN \
LIBC_IRQ \
LIBC_LOG \
LIBC_MEM \
LIBC_NEXGEN32E \
LIBC_NT_ADVAPI32 \
LIBC_NT_IPHLPAPI \
LIBC_NT_MEMORY \
LIBC_NT_KERNEL32 \
LIBC_NT_NTDLL \
LIBC_NT_USER32 \
LIBC_NT_WS2_32 \
LIBC_PROC \
LIBC_RUNTIME \
LIBC_SOCK \
LIBC_STDIO \
LIBC_STR \
LIBC_SYSV \
LIBC_SYSV_CALLS \
LIBC_TESTLIB \
LIBC_THREAD \
LIBC_TINYMATH \
LIBC_VGA \
LIBC_X \
NET_HTTP \
NET_HTTPS \
THIRD_PARTY_AWK \
THIRD_PARTY_COMPILER_RT \
THIRD_PARTY_DLMALLOC \
THIRD_PARTY_DOUBLECONVERSION \
THIRD_PARTY_GDTOA \
THIRD_PARTY_GETOPT \
THIRD_PARTY_HIREDIS \
THIRD_PARTY_LIBCXX \
THIRD_PARTY_LINENOISE \
THIRD_PARTY_LUA \
THIRD_PARTY_MBEDTLS \
THIRD_PARTY_MUSL \
THIRD_PARTY_NSYNC \
THIRD_PARTY_NSYNC_MEM \
THIRD_PARTY_OPENMP \
THIRD_PARTY_SED \
THIRD_PARTY_STB \
THIRD_PARTY_TR \
THIRD_PARTY_TZ \
THIRD_PARTY_VQSORT \
THIRD_PARTY_XED \
Make malloc() go 200x faster If pthread_create() is linked into the binary, then the cosmo runtime will create an independent dlmalloc arena for each core. Whenever the malloc() function is used it will index `g_heaps[sched_getcpu() / 2]` to find the arena with the greatest hyperthread / numa locality. This may be configured via an environment variable. For example if you say `export COSMOPOLITAN_HEAP_COUNT=1` then you can restore the old ways. Your process may be configured to have anywhere between 1 - 128 heaps We need this revision because it makes multithreaded C++ applications faster. For example, an HTTP server I'm working on that makes extreme use of the STL went from 16k to 2000k requests per second, after this change was made. To understand why, try out the malloc_test benchmark which calls malloc() + realloc() in a loop across many threads, which sees a a 250x improvement in process clock time and 200x on wall time The tradeoff is this adds ~25ns of latency to individual malloc calls compared to MODE=tiny, once the cosmo runtime has transitioned into a fully multi-threaded state. If you don't need malloc() to be scalable then cosmo provides many options for you. For starters the heap count variable above can be set to put the process back in single heap mode plus you can go even faster still, if you include tinymalloc.inc like many of the programs in tool/build/.. are already doing since that'll shave tens of kb off your binary footprint too. Theres also MODE=tiny which is configured to use just 1 plain old dlmalloc arena by default Another tradeoff is we need more memory now (except in MODE=tiny), to track the provenance of memory allocation. This is so allocations can be freely shared across threads, and because OSes can reschedule code to different CPUs at any time.
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THIRD_PARTY_LIBCXXABI \
THIRD_PARTY_LIBUNWIND \
THIRD_PARTY_ZLIB \
TOOL_ARGS \
TOOL_BUILD_LIB \
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TOOL_VIZ_LIB
EXAMPLES_DEPS := \
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$(call uniq,$(foreach x,$(EXAMPLES_DIRECTDEPS),$($(x))))
o/$(MODE)/examples/examples.pkg: \
$(EXAMPLES_OBJS) \
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$(foreach x,$(EXAMPLES_DIRECTDEPS),$($(x)_A).pkg)
o/$(MODE)/examples/unbourne.o: private \
CPPFLAGS += \
-DSTACK_FRAME_UNLIMITED \
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-fpie
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o/$(MODE)/examples/%.dbg: \
$(EXAMPLES_DEPS) \
o/$(MODE)/examples/%.o \
o/$(MODE)/examples/examples.pkg \
$(EXAMPLES_BOOTLOADER)
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@$(APELINK)
o/$(MODE)/examples/hellolua.dbg: \
$(EXAMPLES_DEPS) \
o/$(MODE)/examples/hellolua.o \
o/$(MODE)/examples/hellolua.lua.zip.o \
o/$(MODE)/examples/examples.pkg \
$(EXAMPLES_BOOTLOADER)
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@$(APELINK)
o/$(MODE)/examples/ispell.dbg: \
$(EXAMPLES_DEPS) \
o/$(MODE)/examples/ispell.o \
o/$(MODE)/usr/share/dict/words.zip.o \
o/$(MODE)/examples/examples.pkg \
$(EXAMPLES_BOOTLOADER)
@$(APELINK)
o/$(MODE)/examples/nesemu1.dbg: \
$(EXAMPLES_DEPS) \
o/$(MODE)/examples/nesemu1.o \
o/$(MODE)/usr/share/rom/mario.nes.zip.o \
o/$(MODE)/usr/share/rom/zelda.nes.zip.o \
o/$(MODE)/usr/share/rom/tetris.nes.zip.o \
o/$(MODE)/examples/examples.pkg \
$(EXAMPLES_BOOTLOADER)
@$(APELINK)
o/$(MODE)/examples/picol.o: private \
CPPFLAGS += \
-DSTACK_FRAME_UNLIMITED
o/$(MODE)/examples/nesemu1.o: private \
CPPFLAGS += \
-O3
o/$(MODE)/examples/picol.dbg: \
$(EXAMPLES_DEPS) \
o/$(MODE)/examples/picol.o \
o/$(MODE)/examples/examples.pkg \
$(CRT) \
$(APE_NO_MODIFY_SELF)
@$(APELINK)
o/$(MODE)/usr/share/dict/words.zip.o: private ZIPOBJ_FLAGS += -C2
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o/$(MODE)/examples/blas.o: private COPTS += -O3 -fopenmp
Make numerous improvements - Python static hello world now 1.8mb - Python static fully loaded now 10mb - Python HTTPS client now uses MbedTLS - Python REPL now completes import stmts - Increase stack size for Python for now - Begin synthesizing posixpath and ntpath - Restore Python \N{UNICODE NAME} support - Restore Python NFKD symbol normalization - Add optimized code path for Intel SHA-NI - Get more Python unit tests passing faster - Get Python help() pagination working on NT - Python hashlib now supports MbedTLS PBKDF2 - Make memcpy/memmove/memcmp/bcmp/etc. faster - Add Mersenne Twister and Vigna to LIBC_RAND - Provide privileged __printf() for error code - Fix zipos opendir() so that it reports ENOTDIR - Add basic chmod() implementation for Windows NT - Add Cosmo's best functions to Python cosmo module - Pin function trace indent depth to that of caller - Show memory diagram on invalid access in MODE=dbg - Differentiate stack overflow on crash in MODE=dbg - Add stb_truetype and tools for analyzing font files - Upgrade to UNICODE 13 and reduce its binary footprint - COMPILE.COM now logs resource usage of build commands - Start implementing basic poll() support on bare metal - Set getauxval(AT_EXECFN) to GetModuleFileName() on NT - Add descriptions to strerror() in non-TINY build modes - Add COUNTBRANCH() macro to help with micro-optimizations - Make error / backtrace / asan / memory code more unbreakable - Add fast perfect C implementation of μ-Law and a-Law audio codecs - Make strtol() functions consistent with other libc implementations - Improve Linenoise implementation (see also github.com/jart/bestline) - COMPILE.COM now suppresses stdout/stderr of successful build commands
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$(EXAMPLES_OBJS): examples/BUILD.mk
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o/$(MODE)/usr/share/dict/words: \
usr/share/dict/words.gz
@$(MKDIR) $(@D)
@$(GZIP) $(ZFLAGS) -cd <$< >$@
################################################################################
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.PHONY: o/$(MODE)/examples
o/$(MODE)/examples: \
o/$(MODE)/examples/package \
o/$(MODE)/examples/pylife \
o/$(MODE)/examples/pyapp \
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$(EXAMPLES_BINS)