75 lines
3.3 KiB
Bash
75 lines
3.3 KiB
Bash
#!/usr/bin/env bash
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# =========================================================================
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# #149 -- 817 -> 857 stall regression (Oracle: 97 blocks >50ms, all in the
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# mission-load window, maxDraw up to 518ms; zero such blocks on 817, same
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# machine). My filed suspect was the #141 segment-cache sweep -- but that is
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# a HYPOTHESIS, and #137 just taught us what plausible-but-unmeasured
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# theories are worth. So: measure first.
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#
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# INSTRUMENTATION (this build):
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# [segperf] calls=<GetSegmentToWorld entries> dirty=<mark-every-segment
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# invalidation passes> ms=<time inside the accessor> -- per rstat window,
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# BT_PERF_LOG-gated. The DIRTY count is the tell: if the beam path
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# multiplies invalidations, dirty >> mechs-per-frame and ms tracks maxDraw.
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#
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# A/B: identical 2-node runs, beams firing continuously.
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# run A: default (swept behaviour: beam muzzle via GetSegmentToWorld)
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# run B: BT_BEAM_SEGFRESH=0 (pre-sweep plain compose at the BEAM site only)
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# If A's stalls/dirty collapse in B, the beam-site sweep is the regression.
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# If A == B and both are clean, the suspect is EXONERATED and the real 857
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# load-stall cause is elsewhere (next: diff the load path).
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# =========================================================================
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set -x
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. /c/git/bt411/scratchpad/night6/bench_common.sh
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cd /c/git/bt411/content || exit 1
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run_one () { # $1 = tag, $2 = extra env value for BT_BEAM_SEGFRESH
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taskkill //F //IM btl4.exe > /dev/null 2>&1
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sleep 2
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rm -f sp_${1}_a.log sp_${1}_b.log sp_${1}_relay.log
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bt_expert_egg MP.EGG SP.EGG
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sed -i "s/^map=.*/map=grass/; s/^time=.*/time=day/; s/^vehicle=.*/vehicle=madcat/" SP.EGG
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( export BT_GOTO=enemy BT_GOTO_STOP=120 BT_AUTOFIRE=1 BT_AF_PERIOD=3
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export BT_MP_LOG=1
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bt_launch sp_${1}_b.log SP.EGG 0x0C -net 1601 )
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sleep 2
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( export BT_GOTO=enemy BT_GOTO_STOP=120 BT_AUTOFIRE=1 BT_AF_PERIOD=3
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export BT_MP_LOG=1 BT_GLASS_PANELS=1 BT_PLATFORM=glass
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export BT_BEAM_SEGFRESH=${2}
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bt_launch sp_${1}_a.log SP.EGG 0x03 -net 1501 )
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sleep 5
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python ../tools/btconsole.py SP.EGG 127.0.0.1:1501 127.0.0.1:1601 > sp_${1}_relay.log 2>&1 &
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local RELAY=$!
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sleep 180
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kill $RELAY 2>/dev/null
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sleep 3
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bt_kill_ours; sleep 2; taskkill //F //IM btl4.exe > /dev/null 2>&1; sleep 3
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}
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run_one gp 1
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echo "=================== #149 SEGPERF A/B ==================="
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for t in fresh legacy; do
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echo "--- $t ---"
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python - <<PY
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import re, io
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v=[]; seg=[]
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for ln in io.open(r"C:\git\bt411\content\sp_${t}_a.log", encoding="latin-1", errors="replace"):
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m=re.search(r"\[rstat\] frames=\d+ avg=([\d.]+)ms maxDraw=([\d.]+)", ln)
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if m: v.append((float(m.group(1)), float(m.group(2))))
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m=re.search(r"\[segperf\] calls=(\d+) dirty=(\d+) ms=([\d.]+)", ln)
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if m: seg.append((int(m.group(1)), int(m.group(2)), float(m.group(3))))
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if v:
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import statistics
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avgs=[a for a,_ in v]; draws=[d for _,d in v]
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stall=sum(1 for a,_ in v if a>50)
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print(" rstat blocks=%d avg-med=%.2fms maxDraw-med=%.2f maxDraw-worst=%.1f blocks>50ms=%d"
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% (len(v), statistics.median(avgs), statistics.median(draws), max(draws), stall))
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if seg:
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c=[x[0] for x in seg]; d=[x[1] for x in seg]; ms=[x[2] for x in seg]
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print(" segperf windows=%d calls-med=%d dirty-med=%d ms-med=%.2f ms-worst=%.2f"
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% (len(seg), sorted(c)[len(c)//2], sorted(d)[len(d)//2], sorted(ms)[len(ms)//2], max(ms)))
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PY
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done
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