Details

Time bar (total: 17.8s)

sample32.0ms

Algorithm
intervals
Results
10.0ms284×body80valid

simplify2.9s

Counts
1 → 1
Iterations

Useful iterations: 2 (5.0ms)

IterNodesCost
01011
12111
23710
36010
410510
518010
630410
736010
844810
971310
10124110
11353710
done500010

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 2.0b

localize21.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z t) (- z a))
2.2b
(* y (/ (- z t) (- z a)))

rewrite117.0ms

Algorithm
rewrite-expression-head
Rules
75×add-sqr-sqrt
70×*-un-lft-identity
51×times-frac
31×associate-*r*
26×add-cube-cbrt
22×distribute-lft-out-- difference-of-squares
add-exp-log add-cbrt-cube
associate-/r* associate-/l*
pow1 associate-/r/
flip3-- associate-*l* flip--
cbrt-undiv expm1-log1p-u div-exp prod-exp cbrt-unprod log1p-expm1-u div-inv associate-/l/ add-log-exp unswap-sqr
frac-2neg div-sub associate-*r/ pow-prod-down clear-num *-commutative
Counts
2 → 106
Calls
2 calls:
41.0ms
(/ (- z t) (- z a))
68.0ms
(* y (/ (- z t) (- z a)))

series168.0ms

Counts
2 → 6
Calls
2 calls:
65.0ms
(/ (- z t) (- z a))
102.0ms
(* y (/ (- z t) (- z a)))

simplify818.0ms

Counts
112 → 112
Iterations

Useful iterations: done (814.0ms)

IterNodesCost
01421355
13831294
215311208
done50011204

prune358.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

localize25.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt y)
0.6b
(cbrt y)
1.0b
(* (* (cbrt y) (cbrt y)) (* (cbrt y) (/ (- z t) (- z a))))
1.5b
(* (cbrt y) (/ (- z t) (- z a)))

rewrite183.0ms

Algorithm
rewrite-expression-head
Rules
49×add-sqr-sqrt
39×*-un-lft-identity
32×associate-*r*
30×add-exp-log
27×times-frac
19×add-cube-cbrt
18×pow1 add-cbrt-cube
15×prod-exp cbrt-unprod
11×cbrt-prod
10×distribute-lft-out-- difference-of-squares
pow-prod-down
associate-*l*
expm1-log1p-u log1p-expm1-u add-log-exp unswap-sqr
cbrt-undiv associate-*r/ div-exp
pow1/3 associate-/r/ *-commutative
flip3-- flip-- div-inv
Counts
4 → 112
Calls
4 calls:
1.0ms
(cbrt y)
1.0ms
(cbrt y)
99.0ms
(* (* (cbrt y) (cbrt y)) (* (cbrt y) (/ (- z t) (- z a))))
75.0ms
(* (cbrt y) (/ (- z t) (- z a)))

series840.0ms

Counts
4 → 12
Calls
4 calls:
228.0ms
(cbrt y)
248.0ms
(cbrt y)
137.0ms
(* (* (cbrt y) (cbrt y)) (* (cbrt y) (/ (- z t) (- z a))))
227.0ms
(* (cbrt y) (/ (- z t) (- z a)))

simplify2.9s

Counts
124 → 124
Iterations

Useful iterations: done (2.9s)

IterNodesCost
01551552
14291496
227271203
done50001065

prune310.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0b

localize11.0ms

Local error

Found 2 expressions with local error:

0.0b
(* y (- z t))
12.4b
(/ (* y (- z t)) (- z a))

rewrite93.0ms

Algorithm
rewrite-expression-head
Rules
26×add-sqr-sqrt
24×*-un-lft-identity
18×add-cube-cbrt prod-diff
11×distribute-rgt-in distribute-lft-in
add-exp-log add-cbrt-cube
times-frac associate-*r* associate-/r*
pow1 associate-*r/
flip3-- associate-*l* flip-- distribute-lft-out-- difference-of-squares
cbrt-undiv expm1-log1p-u sub-neg div-exp prod-exp associate-/r/ cbrt-unprod log1p-expm1-u associate-/l/ add-log-exp
frac-2neg pow-prod-down clear-num *-commutative div-inv associate-/l* unswap-sqr
Counts
2 → 77
Calls
2 calls:
43.0ms
(* y (- z t))
45.0ms
(/ (* y (- z t)) (- z a))

series156.0ms

Counts
2 → 6
Calls
2 calls:
52.0ms
(* y (- z t))
103.0ms
(/ (* y (- z t)) (- z a))

simplify995.0ms

Counts
83 → 83
Iterations

Useful iterations: done (990.0ms)

IterNodesCost
01571123
1400942
21734780
done5000752

prune193.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0b

localize18.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (- z t))
0.1b
(/ (sqrt (- z t)) (- z a))
0.1b
(* (sqrt (- z t)) (/ (sqrt (- z t)) (- z a)))
1.0b
(* y (* (sqrt (- z t)) (/ (sqrt (- z t)) (- z a))))

rewrite299.0ms

Algorithm
rewrite-expression-head
Rules
125×add-sqr-sqrt
108×*-un-lft-identity
84×times-frac
70×sqrt-prod
48×add-cube-cbrt
47×associate-*r*
30×distribute-lft-out-- difference-of-squares
20×add-exp-log add-cbrt-cube
12×pow1 sqrt-div
11×associate-*l*
flip3-- flip-- associate-/l*
associate-*r/ prod-exp cbrt-unprod
unswap-sqr
associate-/r*
expm1-log1p-u frac-times pow-prod-down associate-*l/ associate-/r/ log1p-expm1-u add-log-exp
cbrt-undiv div-exp
*-commutative div-inv associate-/l/
rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 clear-num
Counts
4 → 197
Calls
4 calls:
13.0ms
(sqrt (- z t))
39.0ms
(/ (sqrt (- z t)) (- z a))
109.0ms
(* (sqrt (- z t)) (/ (sqrt (- z t)) (- z a)))
128.0ms
(* y (* (sqrt (- z t)) (/ (sqrt (- z t)) (- z a))))

series381.0ms

Counts
4 → 12
Calls
4 calls:
79.0ms
(sqrt (- z t))
134.0ms
(/ (sqrt (- z t)) (- z a))
63.0ms
(* (sqrt (- z t)) (/ (sqrt (- z t)) (- z a)))
104.0ms
(* y (* (sqrt (- z t)) (/ (sqrt (- z t)) (- z a))))

simplify5.0s

Counts
209 → 209
Iterations

Useful iterations: done (5.0s)

IterNodesCost
02313257
15623005
243702531
done50012528

prune745.0ms

Pruning

4 alts after pruning (0 fresh and 4 done)

Merged error: 0b

regimes237.0ms

Accuracy

51.7% (0.7b remaining)

Error of 0.7b against oracle of 0.0b and baseline of 1.4b

bsearch71.0ms

Steps
ItersRangePoint
7
7.061827223306598e-100
1.8019812010145532e-98
1.418757681676918e-99
8
-1.3926889602176855e+54
-2.7008634656039713e+50
-2.7460742492281516e+50

simplify3.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
01941
12631
done2631

end0.0ms

sample1.0s

Algorithm
intervals
Results
506.0ms8731×body80valid