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cosmopolitan/test/math/BUILD.mk

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Make quality improvements - Write some more unit tests - memcpy() on ARM is now faster - Address the Musl complex math FIXME comments - Some libm funcs like pow() now support setting errno - Import the latest and greatest math functions from ARM - Use more accurate atan2f() and log1pf() implementations - atoi() and atol() will no longer saturate or clobber errno
2024-02-25 22:57:28 +00:00
#-*-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 += TEST_MATH
TEST_MATH_SRCS := $(wildcard test/math/*.c)
TEST_MATH_SRCS_TEST = $(filter %_test.c,$(TEST_MATH_SRCS))
TEST_MATH_OBJS = $(TEST_MATH_SRCS:%.c=o/$(MODE)/%.o)
Stop using .com extension in monorepo The WIN32 CreateProcess() function does not require an .exe or .com suffix in order to spawn an executable. Now that we have Cosmo bash we're no longer so dependent on the cmd.exe prompt.
2024-03-03 00:57:56 +00:00
TEST_MATH_COMS = $(TEST_MATH_SRCS_TEST:%.c=o/$(MODE)/%)
Make quality improvements - Write some more unit tests - memcpy() on ARM is now faster - Address the Musl complex math FIXME comments - Some libm funcs like pow() now support setting errno - Import the latest and greatest math functions from ARM - Use more accurate atan2f() and log1pf() implementations - atoi() and atol() will no longer saturate or clobber errno
2024-02-25 22:57:28 +00:00
TEST_MATH_BINS = $(TEST_MATH_COMS) $(TEST_MATH_COMS:%=%.dbg)
Stop using .com extension in monorepo The WIN32 CreateProcess() function does not require an .exe or .com suffix in order to spawn an executable. Now that we have Cosmo bash we're no longer so dependent on the cmd.exe prompt.
2024-03-03 00:57:56 +00:00
TEST_MATH_TESTS = $(TEST_MATH_SRCS_TEST:%.c=o/$(MODE)/%.ok)
TEST_MATH_CHECKS = $(TEST_MATH_SRCS_TEST:%.c=o/$(MODE)/%.runs)
Make quality improvements - Write some more unit tests - memcpy() on ARM is now faster - Address the Musl complex math FIXME comments - Some libm funcs like pow() now support setting errno - Import the latest and greatest math functions from ARM - Use more accurate atan2f() and log1pf() implementations - atoi() and atol() will no longer saturate or clobber errno
2024-02-25 22:57:28 +00:00
TEST_MATH_DIRECTDEPS = \
LIBC_INTRIN \
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.
2024-06-05 08:31:21 +00:00
LIBC_MEM \
Make quality improvements - Write some more unit tests - memcpy() on ARM is now faster - Address the Musl complex math FIXME comments - Some libm funcs like pow() now support setting errno - Import the latest and greatest math functions from ARM - Use more accurate atan2f() and log1pf() implementations - atoi() and atol() will no longer saturate or clobber errno
2024-02-25 22:57:28 +00:00
LIBC_RUNTIME \
LIBC_SYSV \
LIBC_TINYMATH \
Introduce support for trapping math The feenableexcept() and fedisableexcept() APIs are now provided which let you detect when NaNs appear the moment it happens from anywhere in your program. Tests have also been added for the mission critical math functions expf() and erff(), whose perfect operation has been assured. See examples/trapping.c to see how to use this powerful functionality.
2024-04-30 20:32:23 +00:00
THIRD_PARTY_COMPILER_RT \
THIRD_PARTY_OPENMP
Make quality improvements - Write some more unit tests - memcpy() on ARM is now faster - Address the Musl complex math FIXME comments - Some libm funcs like pow() now support setting errno - Import the latest and greatest math functions from ARM - Use more accurate atan2f() and log1pf() implementations - atoi() and atol() will no longer saturate or clobber errno
2024-02-25 22:57:28 +00:00
TEST_MATH_DEPS := \
$(call uniq,$(foreach x,$(TEST_MATH_DIRECTDEPS),$($(x))))
o/$(MODE)/test/math/math.pkg: \
$(TEST_MATH_OBJS) \
$(foreach x,$(TEST_MATH_DIRECTDEPS),$($(x)_A).pkg)
Stop using .com extension in monorepo The WIN32 CreateProcess() function does not require an .exe or .com suffix in order to spawn an executable. Now that we have Cosmo bash we're no longer so dependent on the cmd.exe prompt.
2024-03-03 00:57:56 +00:00
o/$(MODE)/test/math/%.dbg: \
Make quality improvements - Write some more unit tests - memcpy() on ARM is now faster - Address the Musl complex math FIXME comments - Some libm funcs like pow() now support setting errno - Import the latest and greatest math functions from ARM - Use more accurate atan2f() and log1pf() implementations - atoi() and atol() will no longer saturate or clobber errno
2024-02-25 22:57:28 +00:00
$(TEST_MATH_DEPS) \
Stop using .com extension in monorepo The WIN32 CreateProcess() function does not require an .exe or .com suffix in order to spawn an executable. Now that we have Cosmo bash we're no longer so dependent on the cmd.exe prompt.
2024-03-03 00:57:56 +00:00
o/$(MODE)/test/math/%.o \
Make quality improvements - Write some more unit tests - memcpy() on ARM is now faster - Address the Musl complex math FIXME comments - Some libm funcs like pow() now support setting errno - Import the latest and greatest math functions from ARM - Use more accurate atan2f() and log1pf() implementations - atoi() and atol() will no longer saturate or clobber errno
2024-02-25 22:57:28 +00:00
o/$(MODE)/test/math/math.pkg \
$(CRT) \
$(APE_NO_MODIFY_SELF)
@$(APELINK)
Introduce support for trapping math The feenableexcept() and fedisableexcept() APIs are now provided which let you detect when NaNs appear the moment it happens from anywhere in your program. Tests have also been added for the mission critical math functions expf() and erff(), whose perfect operation has been assured. See examples/trapping.c to see how to use this powerful functionality.
2024-04-30 20:32:23 +00:00
$(TEST_MATH_OBJS): private CFLAGS += -fno-builtin -fopenmp
Make quality improvements - Write some more unit tests - memcpy() on ARM is now faster - Address the Musl complex math FIXME comments - Some libm funcs like pow() now support setting errno - Import the latest and greatest math functions from ARM - Use more accurate atan2f() and log1pf() implementations - atoi() and atol() will no longer saturate or clobber errno
2024-02-25 22:57:28 +00:00
.PHONY: o/$(MODE)/test/math
o/$(MODE)/test/math: \
$(TEST_MATH_BINS) \
$(TEST_MATH_CHECKS)
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