Details

Time bar (total: 19.6s)

sample187.0ms

Algorithm
intervals
Results
44.0ms34×body320valid
37.0ms51×body10240exit
28.0ms41×body1280valid
18.0ms44×body640valid
11.0ms116×body80valid
8.0msbody2560valid
6.0ms18×body160valid
5.0ms87×body80nan
1.0msbody1280nan
1.0msbody640nan
1.0msbody320nan
0.0msbody160nan

simplify470.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01213
12013
23313
34813
46613
57813
610013
712613
815013
920313
1028413
1129013
done29013

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 25.5b

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(* y (exp z))
0.0b
(/ (log (+ (- 1.0 y) (* y (exp z)))) t)
2.6b
(log (+ (- 1.0 y) (* y (exp z))))
3.1b
(+ (- 1.0 y) (* y (exp z)))

rewrite211.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt
16×add-cube-cbrt *-un-lft-identity
12×times-frac
11×pow1
add-log-exp
add-exp-log add-cbrt-cube
log-pow
log-div associate-/l*
log-prod flip3-+ associate-*r* associate-*l* associate-/r* flip-+
associate-+l+ div-sub sum-log
cbrt-undiv +-commutative associate-+l- sub-neg frac-2neg diff-log div-exp rem-log-exp pow-prod-down prod-exp clear-num *-commutative cbrt-unprod div-inv unswap-sqr
Counts
4 → 80
Calls
4 calls:
22.0ms
(* y (exp z))
102.0ms
(/ (log (+ (- 1.0 y) (* y (exp z)))) t)
22.0ms
(log (+ (- 1.0 y) (* y (exp z))))
60.0ms
(+ (- 1.0 y) (* y (exp z)))

series482.0ms

Counts
4 → 12
Calls
4 calls:
41.0ms
(* y (exp z))
252.0ms
(/ (log (+ (- 1.0 y) (* y (exp z)))) t)
123.0ms
(log (+ (- 1.0 y) (* y (exp z))))
66.0ms
(+ (- 1.0 y) (* y (exp z)))

simplify2.8s

Counts
92 → 92
Iterations

Useful iterations: 3 (1.3s)

IterNodesCost
02031436
14511388
212471271
338331268
done50021268

prune450.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 5.6b

localize26.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 0.5 (pow z 2))
0.0b
(+ (* 0.5 (pow z 2)) (* 1.0 z))
4.0b
(* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))
4.6b
(/ (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))) t)

rewrite94.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt
17×add-cube-cbrt *-un-lft-identity
13×add-exp-log
11×associate-*r*
10×add-cbrt-cube
times-frac
pow1 associate-*l* add-log-exp
unswap-sqr
unpow-prod-down prod-exp
flip3-+ associate-/r* flip-+ associate-/l*
associate-*r/ *-commutative cbrt-unprod associate-/l/ unpow2 sqr-pow
cbrt-undiv +-commutative distribute-rgt-in pow-to-exp frac-2neg distribute-lft-in div-exp pow-prod-down pow-exp clear-num sum-log div-inv
Counts
4 → 89
Calls
4 calls:
14.0ms
(* 0.5 (pow z 2))
10.0ms
(+ (* 0.5 (pow z 2)) (* 1.0 z))
28.0ms
(* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))
40.0ms
(/ (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))) t)

series434.0ms

Counts
4 → 12
Calls
4 calls:
49.0ms
(* 0.5 (pow z 2))
102.0ms
(+ (* 0.5 (pow z 2)) (* 1.0 z))
126.0ms
(* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))
157.0ms
(/ (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))) t)

simplify1.3s

Counts
101 → 101
Iterations

Useful iterations: done (1.3s)

IterNodesCost
01711642
14161566
212891413
done50001263

prune471.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 5.6b

localize27.0ms

Local error

Found 4 expressions with local error:

0.0b
(* z (+ 1.0 (* 0.5 z)))
0.3b
(/ 1 (/ t (+ (* (* z (+ 1.0 (* 0.5 z))) y) (log 1.0))))
4.0b
(* (* z (+ 1.0 (* 0.5 z))) y)
4.6b
(/ t (+ (* (* z (+ 1.0 (* 0.5 z))) y) (log 1.0)))

rewrite245.0ms

Algorithm
rewrite-expression-head
Rules
90×times-frac
61×add-sqr-sqrt
59×add-cube-cbrt *-un-lft-identity
24×add-exp-log
18×associate-/r* add-cbrt-cube
12×pow1
11×associate-/r/
div-exp
flip3-+ flip-+
associate-*r* div-inv associate-/l*
cbrt-undiv associate-*r/ associate-*l* pow-prod-down prod-exp cbrt-unprod add-log-exp
rec-exp frac-2neg 1-exp associate-*l/ clear-num *-commutative
distribute-rgt-in pow-flip distribute-lft-in inv-pow unswap-sqr
Counts
4 → 155
Calls
4 calls:
17.0ms
(* z (+ 1.0 (* 0.5 z)))
105.0ms
(/ 1 (/ t (+ (* (* z (+ 1.0 (* 0.5 z))) y) (log 1.0))))
28.0ms
(* (* z (+ 1.0 (* 0.5 z))) y)
81.0ms
(/ t (+ (* (* z (+ 1.0 (* 0.5 z))) y) (log 1.0)))

series659.0ms

Counts
4 → 12
Calls
4 calls:
113.0ms
(* z (+ 1.0 (* 0.5 z)))
212.0ms
(/ 1 (/ t (+ (* (* z (+ 1.0 (* 0.5 z))) y) (log 1.0))))
68.0ms
(* (* z (+ 1.0 (* 0.5 z))) y)
266.0ms
(/ t (+ (* (* z (+ 1.0 (* 0.5 z))) y) (log 1.0)))

simplify1.4s

Counts
167 → 167
Iterations

Useful iterations: done (1.4s)

IterNodesCost
02783892
16653614
219383289
done50003231

prune651.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 5.6b

localize26.0ms

Local error

Found 4 expressions with local error:

0.0b
(- x (* (/ 1 t) (+ (* (* z (+ 1.0 (* 0.5 z))) y) (log 1.0))))
0.0b
(* z (+ 1.0 (* 0.5 z)))
4.0b
(* (* z (+ 1.0 (* 0.5 z))) y)
4.6b
(* (/ 1 t) (+ (* (* z (+ 1.0 (* 0.5 z))) y) (log 1.0)))

rewrite242.0ms

Algorithm
rewrite-expression-head
Rules
24×add-sqr-sqrt
20×add-exp-log
17×associate-*l*
16×*-un-lft-identity add-cbrt-cube
15×add-cube-cbrt
13×pow1
11×times-frac
associate-*r*
prod-exp
associate-*r/ cbrt-unprod add-log-exp
pow-prod-down
flip3-+ flip-+ unswap-sqr
distribute-rgt-in distribute-lft-in associate-*l/ *-commutative
frac-times div-exp associate--r+
cbrt-undiv sub-neg rec-exp flip3-- diff-log 1-exp flip-- div-inv
Counts
4 → 97
Calls
4 calls:
10.0ms
(- x (* (/ 1 t) (+ (* (* z (+ 1.0 (* 0.5 z))) y) (log 1.0))))
18.0ms
(* z (+ 1.0 (* 0.5 z)))
41.0ms
(* (* z (+ 1.0 (* 0.5 z))) y)
168.0ms
(* (/ 1 t) (+ (* (* z (+ 1.0 (* 0.5 z))) y) (log 1.0)))

series614.0ms

Counts
4 → 12
Calls
4 calls:
221.0ms
(- x (* (/ 1 t) (+ (* (* z (+ 1.0 (* 0.5 z))) y) (log 1.0))))
104.0ms
(* z (+ 1.0 (* 0.5 z)))
91.0ms
(* (* z (+ 1.0 (* 0.5 z))) y)
198.0ms
(* (/ 1 t) (+ (* (* z (+ 1.0 (* 0.5 z))) y) (log 1.0)))

simplify1.5s

Counts
109 → 109
Iterations

Useful iterations: 2 (584.0ms)

IterNodesCost
02022008
16131807
221241613
done50011613

prune434.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 4.8b

regimes703.0ms

Accuracy

68.7% (4.2b remaining)

Error of 7.9b against oracle of 3.6b and baseline of 17.2b

bsearch129.0ms

Steps
ItersRangePoint
7
1.497861830149964e-40
2.5310480627793195e-39
2.010313960630697e-40
4
-280.6246667683423
-198.5816831770054
-200.76076599597934

simplify5.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
04067
15167
done5167

end0.0ms

sample6.0s

Algorithm
intervals
Results
1.6s1512×body10240exit
1.3s1494×body1280valid
756.0ms1493×body640valid
578.0ms874×body320valid
509.0ms3590×body80valid
222.0ms2525×body80nan
203.0ms84×body2560valid
89.0ms290×body640nan
86.0ms502×body160valid
76.0ms183×body320nan
54.0ms110×body1280nan
13.0ms96×body160nan