krgamestudios/Toy
1
0
Fork 0
mirror of https://github.com/krgamestudios/Toy.git synced 2026-04-15 14:54:07 +10:00
Code Issues Packages Projects Releases Wiki Activity

Benchmarked and tweaked Toy_Table, read more

Browse Source 
I read the DOOM 1 source code and found a neat trick to replace modulo.

YOINK!!!
This commit is contained in:
Kayne Ruse
2024-11-02 21:22:53 +11:00
parent 92955d56dd
commit 32727f986c
8 changed files with 188 additions and 91 deletions
Download Patch File Download Diff File Expand all files Collapse all files

115
tests/benchmarks/modulo_hack/makefile Normal file
View File

@@ -0,0 +1,115 @@
#compiler settings
CC=gcc
CFLAGS+=-std=c17 -g -Wall -Werror -Wno-unused-parameter -Wno-unused-function -Wno-unused-variable -Wformat=2
LIBS+=-lm
LDFLAGS+=
ifeq ($(shell uname),Linux)
LDFLAGS=-Wl,--gc-sections
else ifeq ($(OS),Windows_NT)
LDFLAGS=-Wl,--gc-sections
else ifeq ($(shell uname),Darwin)
LDFLAGS=-Wl,-dead_strip
else
@echo "LDFLAGS set failed - what platform is this?"
endif
#patched in
TOY_SOURCEDIR=source
#directories
TEST_ROOTDIR=../../..
TEST_SOURCEDIR=$(TEST_ROOTDIR)/$(TOY_SOURCEDIR)
TEST_CASESDIR=.
TEST_OUTDIR=out
TEST_OBJDIR=obj
#file names
TEST_SOURCEFILES=$(wildcard $(TEST_SOURCEDIR)/*.c)
TEST_CASESFILES=$(wildcard $(TEST_CASESDIR)/bench_*.c)
#build the object files, compile the test cases, and run
all: clean
$(MAKE) build-source
$(MAKE) build-cases
$(MAKE) build-link
$(MAKE) build-run
all-override: clean
$(MAKE) TEST_SOURCEFILES='$(subst $(TEST_SOURCEDIR)/$(OVERRIDE),$(OVERRIDE),$(TEST_SOURCEFILES))' build-source-override
$(MAKE) build-cases
$(MAKE) build-link
$(MAKE) build-run
.PHONY: build-source-override
build-source-override: $(TEST_OUTDIR) $(TEST_OBJDIR) $(addprefix $(TEST_OBJDIR)/,$(notdir $(TEST_SOURCEFILES:.c=.o)))
$(CC) -c -o $(TEST_OBJDIR)/$(OVERRIDE:.c=.o) $(OVERRIDE) $(addprefix -I,$(TEST_SOURCEDIR)) $(CFLAGS) -fdata-sections -ffunction-sections
#targets for each step
.PHONY: build-source
build-source: $(TEST_OUTDIR) $(TEST_OBJDIR) $(addprefix $(TEST_OBJDIR)/,$(notdir $(TEST_SOURCEFILES:.c=.o)))
.PHONY: build-cases
build-cases: $(TEST_OUTDIR) $(TEST_OBJDIR) $(addprefix $(TEST_OBJDIR)/,$(notdir $(TEST_CASESFILES:.c=.o)))
.PHONY: build-link
build-link: $(TEST_OUTDIR) $(TEST_OBJDIR) $(addprefix $(TEST_OUTDIR)/,$(notdir $(TEST_CASESFILES:%.c=%.exe)))
.PHONY: build-run
build-run: $(addprefix $(TEST_OUTDIR)/,$(notdir $(TEST_CASESFILES:%.c=%.exe))) $(addprefix $(TEST_OUTDIR)/,$(notdir $(TEST_CASESFILES:%.c=%.run)))
#compilation steps
$(TEST_OBJDIR)/%.o: $(TEST_SOURCEDIR)/%.c
$(CC) -c -o $@ $< $(addprefix -I,$(TEST_SOURCEDIR)) $(CFLAGS) -fdata-sections -ffunction-sections
$(TEST_OBJDIR)/%.o: $(TEST_CASESDIR)/%.c
$(CC) -c -o $@ $< $(addprefix -I,$(TEST_SOURCEDIR) $(TEST_CASESDIR)) $(CFLAGS) -fdata-sections -ffunction-sections
$(TEST_OUTDIR)/%.exe: $(TEST_OBJDIR)/%.o
@$(CC) -o $@ $< $(addprefix $(TEST_OBJDIR)/,$(notdir $(TEST_SOURCEFILES:.c=.o))) $(CFLAGS) $(LIBS) $(LDFLAGS)
.PRECIOUS: $(TEST_OUTDIR)/%.run
$(TEST_OUTDIR)/%.run: $(TEST_OUTDIR)/%.exe
@/usr/bin/time --format "%C; $(OVERRIDE)\nUser System\n%U %E" $< 100000000 512
@/usr/bin/time --format "%C; $(OVERRIDE)\nUser System\n%U %E" $< 100000000 1024
@/usr/bin/time --format "%C; $(OVERRIDE)\nUser System\n%U %E" $< 100000000 4096
#util targets
$(TEST_OUTDIR):
mkdir $(TEST_OUTDIR)
$(TEST_OBJDIR):
mkdir $(TEST_OBJDIR)
#util commands
.PHONY: clean
clean:
ifeq ($(shell uname),Linux)
find . -type f -name '*.o' -delete
find . -type f -name '*.a' -delete
find . -type f -name '*.exe' -delete
find . -type f -name '*.dll' -delete
find . -type f -name '*.lib' -delete
find . -type f -name '*.so' -delete
find . -type f -name '*.dylib' -delete
find . -type d -name 'out' -delete
find . -type d -name 'obj' -delete
else ifeq ($(OS),Windows_NT)
$(RM) *.o *.a *.exe *.dll *.lib *.so *.dylib
$(RM) out
$(RM) obj
else ifeq ($(shell uname),Darwin)
find . -type f -name '*.o' -delete
find . -type f -name '*.a' -delete
find . -type f -name '*.exe' -delete
find . -type f -name '*.dll' -delete
find . -type f -name '*.lib' -delete
find . -type f -name '*.so' -delete
find . -type f -name '*.dylib' -delete
find . -type d -name 'out' -delete
find . -type d -name 'obj' -delete
else
@echo "Deletion failed - what platform is this?"
endif