[gsplat4d] add a physics-aware 4D Gaussian splatting benchmark

README.md

@@ -100,7 +100,7 @@ Each benchmark falls into a single category. While such classification is not ac
     extrema, fft, lombscargle, sosfil, zmddft
 
 ### Simulation
-    ace, adv, amgmk, axhelm, bh, bspline-vgh, burger, cooling, ccsd-trpdrv, che, chemv, chi2, clenergy, cmp, cobahh, d2q9_bgk, d3q19_bgk, damage, ddbp, dslash, easyWave, eikonal, fdtd3d, feynman-kac, fhd, fluidSim, gibbs, goulash, gpp, grrt, haccmk, halo-finder, heartwall, heat, heat2d, henry, hexicton, hotspot, hotspot3D, hpl, hwt1d, hypterm, ising, iso2dfd, laplace, laplace3d, lavaMD, lid-driven-cavity, logic-resim, logic-rewrite, loopback, lsqt, lulesh, mcmd, md, mdh, metropolis, miniFE, minimod, minisweep, miniWeather, multimaterial, mxfp4, myocte, nbody, particle-diffusion, particlefilter, particles, pathfinder, pns, projectile, pso, qem, rainflow, rayleighBenardConvection, reaction, rsbench, rtm8, rushlarsen, s3d, su3, sundials, sheath, simplemoc, slit, sparkler, sph, sw4ck, tensorT, testSNAP, tissue, tpacf, tqs, tridiagonal, tsa, vanGenuchten, vmc, wenofv, wlcpow, wsm5, xlqc, xsbench
+    ace, adv, amgmk, axhelm, bh, bspline-vgh, burger, cooling, ccsd-trpdrv, che, chemv, chi2, clenergy, cmp, cobahh, d2q9_bgk, d3q19_bgk, damage, ddbp, dslash, easyWave, eikonal, fdtd3d, feynman-kac, fhd, fluidSim, gibbs, goulash, gpp, grrt, gsplat4d, haccmk, halo-finder, heartwall, heat, heat2d, henry, hexicton, hotspot, hotspot3D, hpl, hwt1d, hypterm, ising, iso2dfd, laplace, laplace3d, lavaMD, lid-driven-cavity, logic-resim, logic-rewrite, loopback, lsqt, lulesh, mcmd, md, mdh, metropolis, miniFE, minimod, minisweep, miniWeather, multimaterial, mxfp4, myocte, nbody, particle-diffusion, particlefilter, particles, pathfinder, pns, projectile, pso, qem, rainflow, rayleighBenardConvection, reaction, rsbench, rtm8, rushlarsen, s3d, su3, sundials, sheath, simplemoc, slit, sparkler, sph, sw4ck, tensorT, testSNAP, tissue, tpacf, tqs, tridiagonal, tsa, vanGenuchten, vmc, wenofv, wlcpow, wsm5, xlqc, xsbench
 
 ### Sorting
     bitonic-sort, hybridsort, is, merge, quicksort, radixsort, segsort, sort, sortKV, split, topk, warpsort
@@ -848,6 +848,9 @@ Early results are shown [here](results/README.md)
 ### gru2 (cuda)
   Forward operations of a multi-layer gated recurrent unit (https://pytorch.org/)
 
+### gsplat4d (cuda)
+  Physics-Aware 4D Dynamic Endoscopic Scene Simulations via MLLM-Guided Gaussian Splatting (https://arxiv.org/abs/2605.16022)
+
 ### haccmk (c)
   The HACC microkernel (https://asc.llnl.gov/CORAL-benchmarks/#haccmk)
 

src/CMakeLists.txt

@@ -184,6 +184,7 @@ set(HECBENCH_POC_BENCHMARKS
     grrt
     gru
     gru2
+    gsplat4d
     haccmk
     hausdorff
     haversine

src/gsplat4d-cuda/CMakeLists.txt

@@ -0,0 +1,11 @@
+# gsplat4d-cuda/CMakeLists.txt
+
+add_hecbench_benchmark(
+    NAME gsplat4d
+    MODEL cuda
+    SOURCES main.cu
+    CATEGORIES simulation
+    TEST_ARGS 200000 1280 720 100
+    TEST_REGEX "(?s)MPM step: PASS.*4D preprocess \([0-9]+ of [0-9]+ gaussians visible\): PASS.*Rasterizer: PASS"
+    TEST_TIMEOUT 300
+)

src/gsplat4d-cuda/Makefile

@@ -0,0 +1,56 @@
+#===============================================================================
+# User Options
+#===============================================================================
+
+# Compiler can be set below, or via environment variable
+CC        = nvcc
+OPTIMIZE  = yes
+DEBUG     = no
+ARCH      = sm_60
+LAUNCHER  ?=
+
+#===============================================================================
+# Program name & source code list
+#===============================================================================
+
+program = main
+
+source = main.cu
+
+obj = $(source:.cu=.o)
+
+#===============================================================================
+# Sets Flags
+#===============================================================================
+
+# Standard Flags
+CFLAGS := $(EXTRA_CFLAGS) -std=c++17 -Xcompiler -Wall -arch=$(ARCH)
+
+# Linker Flags
+LDFLAGS =
+
+# Debug Flags
+ifeq ($(DEBUG),yes)
+  CFLAGS += -g -DDEBUG
+  LDFLAGS  += -g
+endif
+
+# Optimization Flags
+ifeq ($(OPTIMIZE),yes)
+  CFLAGS += -O3
+endif
+#===============================================================================
+# Targets to Build
+#===============================================================================
+
+$(program): $(obj) Makefile
+	$(CC) $(CFLAGS) $(obj) -o $@ $(LDFLAGS)
+
+%.o: %.cu reference.h Makefile
+	$(CC) $(CFLAGS) -c $< -o $@
+
+clean:
+	rm -rf $(program) $(obj)
+
+run: $(program)
+	$(LAUNCHER) ./$(program) 200000 1280 720 100