code wiki / _hdl_build / nx_js_safepoint_cost.nx
nx_js_safepoint_cost.nx
buildroot/runtime/_hdl_build/nx_js_safepoint_cost.nx
about
nx_js_safepoint_cost.nx -- measure the PURE per-back-edge safepoint overhead on a hot JIT loop. GC-off = no
safepoint emitted (baseline). GC-on with a HUGE threshold = safepoint emitted+called every iteration but
gc_poll never fires a collection => isolates the call cost. expect_exit: 0 license_tier: ORIGINAL
dependencies 1 imports · 0 importers
imports: nx_js_vm.nx
imported by: nobody (leaf or entry point)
call flow from main pre-order; caps 40 nodes / depth 6 declared; ↻ = already shown
structs
| none |
consts
| 5 | const K_MAGIC_1000000000: i64 = 1000000000 |
functions
| 6 | func w(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 |
| 7 | func nn(v: i64) -> i64 { if v==0 { sys_write(1,"0" as *u8,1); return 0 } var m: i64=v; if m<0 { sys_write(1,"-" as *u8,1); m=0-m } let t: *u8=sys_mmap(24); var k: i64=0; while m>0 { t[k]=(48+(m%10)) as u8; m=m/10; k=k+1 } let o: *u8=sys_mmap(24); var q: i64=k-1; var x: i64=0; while q>=0 { o[x]=t[q]; x=x+1; q=q-1 } sys_write(1,o,x); return 0 } called by 1: main |
| 8 | func timeloop(src: *u8) -> i64 |
| 15 | func main(argc: i64, argv: *i64) -> i64 |