code wiki / _hdl_build / nx_gsplat_optimize_gate.nx

nx_gsplat_optimize_gate.nx

buildroot/runtime/_hdl_build/nx_gsplat_optimize_gate.nx

6655 B140 linesdepth 4pulls 6 transitivereach 0 importersview sourcekind gate/prooftopic gsplat
docsdependenciesstructsconstsfunctions

about

nx_gsplat_optimize_gate.nx -- ★THE GENERATOR: a sovereign differentiable-splatting COLOUR optimizer fits Gaussians to a target image by gradient descent (the 3DGS training mechanism, colour channel). Integer, deterministic. Proves the loss DROPS + the render converges to the target. T1 a Gaussian sphere with KNOWN colours -> render = the TARGET. Reset all colours to GREY (wrong). Optimize: the image loss must DROP hard (final < 30% of initial) and MONOTONICALLY (each iter <= prev) T2 the recovered render MATCHES the target (final loss small = the colours were fit back) T3 determinism (same init -> same optimized colours) + PNG knowledge/nx_gsplat_opt.png (target | optimized) license_tier: ORIGINAL expect_exit: 0

dependencies 4 imports · 0 importers

nx_syscalls.nx nx_itrig.nx nx_png.nx nx_gsplat.nx nx_gsplat_optimize_gate.nx

imports: nx_syscalls.nxnx_itrig.nxnx_png.nxnx_gsplat.nx

imported by: nobody (leaf or entry point)

call flow from main pre-order; caps 40 nodes / depth 6 declared; ↻ = already shown

main hw sys_write gs_w gs_h sys_mmap gs_nb gs_expn gs_build_explut build_sphere it_sin4096 it_cos4096 it_sin4096 ↻ gs_set gs_render it_sin4096 ↻ it_cos4096 ↻ gs_clear gs_color_grad_step gs_render ↻ pn sys_mmap ↻ sys_write ↻ write_png sys_mmap ↻ png_g png_paeth png_sabs dfe_compress sys_mmap ↻ dfe_fill_tables dfe_deflate sys_mmap ↻ dfe_bits dfe_hash dfe_matchlen dfe_sym dfe_bits ↻ dfe_rev dfe_rev ↻

structs

none

consts

none

functions

14func hw(s: *u8) -> i64 { var n: i64=0; while s[n]!=(0 as u8){n=n+1} sys_write(1,s,n); return 0 }
called by 1: main calls 1: sys_write
15func pn(v: i64) -> i64 { let b: *u8=sys_mmap(32) as *u8; var x: i64=v; var ng: i64=0; if x<0{ng=1;x=0-x} var i: i64=31; if x==0{b[i]=48 as u8;i=i-1} while x>0{b[i]=(48+x%10) as u8;x=x/10;i=i-1} if ng==1{b[i]=45 as u8;i=i-1} sys_write(1,(b as i64+i+1) as *u8,31-i); return 0 }
called by 1: main calls 2: sys_mmapsys_write
17func build_sphere(gauss: *i64) -> i64 { // 768 gaussians, spatially-varying TRUE colours
called by 1: main calls 3: it_sin4096it_cos4096gs_set
44func main() -> i64