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Makefile: add Debug build diagnostics

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wyj committed 2026-08-29 19:23:50 -04:00
1 parent 9e22d59213
commit 6f8ec50c64
3 files changed
+65 -26
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Makefile
+35 -23
View File
@@ -1,9 +1,20 @@
CC ?= cc
CFLAGS ?= -std=c11 -march=native -O2 -pipe -Wall -Wextra -Wpedantic
CFLAGS ?= -std=c11 -march=native -pipe -Wall -Wextra -Wpedantic
OPENMP_FLAGS ?= -fopenmp
LDLIBS ?= -lm
ENABLE_PNG ?= 1
SPACETIME ?= minkowski
BUILD_TYPE ?= Release
ifeq ($(BUILD_TYPE),Release)
BUILD_CFLAGS := -O2 -DNDEBUG
BUILD_CPPFLAGS :=
else ifeq ($(BUILD_TYPE),Debug)
BUILD_CFLAGS := -O0 -g3
BUILD_CPPFLAGS := -DGR_DEBUG
else
$(error Unknown BUILD_TYPE '$(BUILD_TYPE)'; choose Release or Debug)
endif
ifeq ($(ENABLE_PNG),1)
CPPFLAGS += -DENABLE_PNG
@@ -15,14 +26,15 @@ endif
COMMON_SOURCES := $(filter-out src/main.c src/spacetime_minkowski.c src/spacetime_schwarzschild.c,$(wildcard src/*.c))
PROVIDER_SOURCE := src/spacetime_$(SPACETIME).c
TARGET := build/$(SPACETIME)_sky
BUILD_DIR := build/$(BUILD_TYPE)
TARGET := $(BUILD_DIR)/$(SPACETIME)_sky
CORE_MINKOWSKI_SOURCES := $(COMMON_SOURCES) src/spacetime_minkowski.c
TEST_TARGET := build/test_geodesic
FRAME_TEST_TARGET := build/test_frame
SCHWARZSCHILD_TEST_TARGET := build/test_schwarzschild
OBSERVER_TRACK_TEST_TARGET := build/test_observer_track
CATALOG_PREFETCH_TEST_TARGET := build/test_catalog_prefetch
PSF_HDR_TEST_TARGET := build/minkowski_psf_hdr_test
TEST_TARGET := $(BUILD_DIR)/test_geodesic
FRAME_TEST_TARGET := $(BUILD_DIR)/test_frame
SCHWARZSCHILD_TEST_TARGET := $(BUILD_DIR)/test_schwarzschild
OBSERVER_TRACK_TEST_TARGET := $(BUILD_DIR)/test_observer_track
CATALOG_PREFETCH_TEST_TARGET := $(BUILD_DIR)/test_catalog_prefetch
PSF_HDR_TEST_TARGET := $(BUILD_DIR)/minkowski_psf_hdr_test
.PHONY: all clean run test minkowski schwarzschild psf-hdr-test
@@ -36,10 +48,10 @@ endif
all: $(TARGET)
$(TARGET): $(COMMON_SOURCES) $(PROVIDER_SOURCE) src/main.c | build
$(CC) $(CPPFLAGS) $(BACKEND_CPPFLAGS) $(CFLAGS) $(OPENMP_FLAGS) -Isrc $^ $(LDLIBS) -o $@
$(TARGET): $(COMMON_SOURCES) $(PROVIDER_SOURCE) src/main.c | $(BUILD_DIR)
$(CC) $(CPPFLAGS) $(BUILD_CPPFLAGS) $(BACKEND_CPPFLAGS) $(CFLAGS) $(BUILD_CFLAGS) $(OPENMP_FLAGS) -Isrc $^ $(LDLIBS) -o $@
build:
$(BUILD_DIR):
mkdir -p $@
run: $(TARGET)
@@ -53,25 +65,25 @@ schwarzschild:
$(MAKE) SPACETIME=schwarzschild all
# Deliberately separate from the production binary: enables --hdr-output FITS.
$(PSF_HDR_TEST_TARGET): $(COMMON_SOURCES) src/spacetime_minkowski.c src/main.c | build
$(CC) $(CPPFLAGS) -DENABLE_HDR_DEBUG -DSPACETIME_MINKOWSKI $(CFLAGS) $(OPENMP_FLAGS) -Isrc $^ $(LDLIBS) $(shell pkg-config --libs cfitsio) -o $@
$(PSF_HDR_TEST_TARGET): $(COMMON_SOURCES) src/spacetime_minkowski.c src/main.c | $(BUILD_DIR)
$(CC) $(CPPFLAGS) $(BUILD_CPPFLAGS) -DENABLE_HDR_DEBUG -DSPACETIME_MINKOWSKI $(CFLAGS) $(BUILD_CFLAGS) $(OPENMP_FLAGS) -Isrc $^ $(LDLIBS) $(shell pkg-config --libs cfitsio) -o $@
psf-hdr-test: $(PSF_HDR_TEST_TARGET)
$(TEST_TARGET): tests/test_geodesic.c $(CORE_MINKOWSKI_SOURCES) | build
$(CC) $(CPPFLAGS) $(CFLAGS) $(OPENMP_FLAGS) -Isrc $^ $(LDLIBS) -o $@
$(TEST_TARGET): tests/test_geodesic.c $(CORE_MINKOWSKI_SOURCES) | $(BUILD_DIR)
$(CC) $(CPPFLAGS) $(BUILD_CPPFLAGS) $(CFLAGS) $(BUILD_CFLAGS) $(OPENMP_FLAGS) -Isrc $^ $(LDLIBS) -o $@
$(FRAME_TEST_TARGET): tests/test_frame.c $(CORE_MINKOWSKI_SOURCES) | build
$(CC) $(CPPFLAGS) $(CFLAGS) $(OPENMP_FLAGS) -Isrc $^ $(LDLIBS) -o $@
$(FRAME_TEST_TARGET): tests/test_frame.c $(CORE_MINKOWSKI_SOURCES) | $(BUILD_DIR)
$(CC) $(CPPFLAGS) $(BUILD_CPPFLAGS) $(CFLAGS) $(BUILD_CFLAGS) $(OPENMP_FLAGS) -Isrc $^ $(LDLIBS) -o $@
$(SCHWARZSCHILD_TEST_TARGET): tests/test_schwarzschild.c $(COMMON_SOURCES) src/spacetime_schwarzschild.c | build
$(CC) $(CPPFLAGS) $(CFLAGS) $(OPENMP_FLAGS) -Isrc $^ $(LDLIBS) -o $@
$(SCHWARZSCHILD_TEST_TARGET): tests/test_schwarzschild.c $(COMMON_SOURCES) src/spacetime_schwarzschild.c | $(BUILD_DIR)
$(CC) $(CPPFLAGS) $(BUILD_CPPFLAGS) $(CFLAGS) $(BUILD_CFLAGS) $(OPENMP_FLAGS) -Isrc $^ $(LDLIBS) -o $@
$(OBSERVER_TRACK_TEST_TARGET): tests/test_observer_track.c $(COMMON_SOURCES) | build
$(CC) $(CPPFLAGS) $(CFLAGS) $(OPENMP_FLAGS) -Isrc $^ $(LDLIBS) -o $@
$(OBSERVER_TRACK_TEST_TARGET): tests/test_observer_track.c $(COMMON_SOURCES) | $(BUILD_DIR)
$(CC) $(CPPFLAGS) $(BUILD_CPPFLAGS) $(CFLAGS) $(BUILD_CFLAGS) $(OPENMP_FLAGS) -Isrc $^ $(LDLIBS) -o $@
$(CATALOG_PREFETCH_TEST_TARGET): tests/test_catalog_prefetch.c $(CORE_MINKOWSKI_SOURCES) | build
$(CC) $(CPPFLAGS) $(CFLAGS) $(OPENMP_FLAGS) -Isrc $^ $(LDLIBS) -o $@
$(CATALOG_PREFETCH_TEST_TARGET): tests/test_catalog_prefetch.c $(CORE_MINKOWSKI_SOURCES) | $(BUILD_DIR)
$(CC) $(CPPFLAGS) $(BUILD_CPPFLAGS) $(CFLAGS) $(BUILD_CFLAGS) $(OPENMP_FLAGS) -Isrc $^ $(LDLIBS) -o $@
test: $(TEST_TARGET) $(FRAME_TEST_TARGET) $(SCHWARZSCHILD_TEST_TARGET) $(OBSERVER_TRACK_TEST_TARGET) $(CATALOG_PREFETCH_TEST_TARGET)
./$(TEST_TARGET)
src/frame.c
+20 -3
View File
@@ -6,6 +6,7 @@
#include <math.h>
#include <omp.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@@ -780,6 +781,7 @@ static int owns_source_boundary(const LensTriangle *triangle,
typedef struct {
const LensVertex *vertex[3];
const LensTriangle *triangle;
size_t triangle_index;
double *hdr;
int width, height;
double exposure, magnification;
@@ -820,10 +822,24 @@ static int splat_catalog_tile(const Star *stars, size_t count,
weights[1] * context->vertex[1]->log_frequency_ratio +
weights[2] * context->vertex[2]->log_frequency_ratio;
const LinearRgb color = blackbody_to_linear_rgb(star->temperature_K * exp(log_g));
context->direct_fallbacks += splat_moffat_cached(
const double flux = context->exposure * star->amplitude * context->magnification;
const int direct_fallback = splat_moffat_cached(
context->hdr, context->width, context->height, image_x, image_y, color,
context->exposure * star->amplitude * context->magnification,
flux,
context->psf, context->psf_cache);
context->direct_fallbacks += direct_fallback;
#ifdef GR_DEBUG
if (direct_fallback)
/* This is deliberately emitted by the active splat worker: a direct
* fallback can be the long-running work a Debug render is waiting on.
* Do not add a critical section here; interleaved Debug lines are more
* useful than stalling the other workers. */
fprintf(stderr,
"Debug: %.3f s splat worker %d triangle %zu star %zu uses direct "
"PSF fallback (image %.3f, %.3f; flux %.6g).\n",
omp_get_wtime(), omp_get_thread_num(), context->triangle_index,
s, image_x, image_y, flux);
#endif
++context->images;
}
return 0;
@@ -853,7 +869,8 @@ static size_t splat_catalog_triangles(const FrameLensMesh *mesh,
{vertex[1]->n_infinity[0], vertex[1]->n_infinity[1], vertex[1]->n_infinity[2]},
{vertex[2]->n_infinity[0], vertex[2]->n_infinity[1], vertex[2]->n_infinity[2]}};
TriangleSplatContext context = {.vertex = {vertex[0], vertex[1], vertex[2]},
.triangle = &mesh->triangles[t], .hdr = hdr,
.triangle = &mesh->triangles[t],
.triangle_index = t, .hdr = hdr,
.width = width, .height = height,
.exposure = exposure, .magnification = magnification,
.psf = psf, .psf_cache = psf_cache};
src/main.c
+10
View File
@@ -137,6 +137,12 @@ static int parse_args(int argc, char **argv, Settings *s,
*s = (Settings){.width = 1280,
.height = 720,
.coarse_cell_pixels = 16,
#ifdef GR_DEBUG
/* Debug builds make existing low-frequency render progress
* visible by default. Their worker heartbeats are local
* 8/16/32... milestones, not shared progress counters. */
.verbose = 1,
#endif
.horizontal_fov_deg = 30.0,
.look_ra_deg = 270.0,
.look_dec_deg = 0.0,
@@ -651,6 +657,10 @@ int main(int argc, char **argv) {
argv[0]);
return 2;
}
#ifdef GR_DEBUG
fputs("Debug build: low-frequency render progress is enabled; direct PSF "
"fallbacks log immediately from their splat worker.\n", stderr);
#endif
if (write_path != NULL)
return catalog_write_octant_grid(write_path) == 0 ? 0
: (perror(write_path), 1);