Details

Time bar (total: 43.6s)

sample392.0ms

Algorithm
intervals
Results
62.0ms39×body640valid
61.0ms298×body80nan
29.0ms145×body80valid
29.0ms29×body1280valid
17.0ms22×body640nan
16.0ms19×body1280nan
14.0ms24×body320valid
7.0ms19×body160valid
6.0ms10×body320nan
2.0msbody160nan

simplify271.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
271.0ms
(/ (* (sqrt 2) t) (sqrt (- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l))))

prune31.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 43.2b

localize43.0ms

Local error

Found 4 expressions with local error:

18.4b
(sqrt (- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l)))
14.0b
(- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l))
0.4b
(* (sqrt 2) t)
0.1b
(/ (* (sqrt 2) t) (sqrt (- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l))))

rewrite133.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt
13×sqrt-prod
12×*-un-lft-identity add-cube-cbrt
11×add-cbrt-cube add-exp-log
pow1
associate-/r* times-frac associate-*l* add-log-exp
expm1-log1p-u sqrt-div insert-posit16 log1p-expm1-u
flip3-- associate-*r* flip--
cbrt-undiv div-exp prod-exp associate--l+ associate-/r/ cbrt-unprod unswap-sqr
distribute-rgt-in rem-sqrt-square clear-num sub-neg frac-2neg distribute-lft-in sqrt-pow1 pow1/2 fma-neg diff-log prod-diff pow-prod-down *-commutative div-inv associate-/l*
Counts
4 → 94
Calls
4 calls:
Slowest
57.0ms
(/ (* (sqrt 2) t) (sqrt (- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l))))
43.0ms
(sqrt (- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l)))
25.0ms
(- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l))
7.0ms
(* (sqrt 2) t)

series2.8s

Counts
4 → 12
Calls
4 calls:
Slowest
1.9s
(sqrt (- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l)))
510.0ms
(/ (* (sqrt 2) t) (sqrt (- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l))))
232.0ms
(- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l))
78.0ms
(* (sqrt 2) t)

simplify8.8s

Counts
64 → 106
Calls
64 calls:
Slowest
380.0ms
(sqrt (- (pow (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) 3) (pow (* l l) 3)))
362.0ms
(/ (* (* (* (sqrt 2) t) (* (sqrt 2) t)) (* (sqrt 2) t)) (* (* (sqrt (- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l))) (sqrt (- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l)))) (sqrt (- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l)))))
359.0ms
(sqrt (+ (* (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t))))) (+ (* (* l l) (* l l)) (* (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l)))))
312.0ms
(- (+ (* 2 (pow t 2)) (+ (* 2 (* x (pow l 2))) (* 2 (pow l 2)))))
311.0ms
(* (* l l) (/ (+ x 1) (- x 1)))

prune1.4s

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 4.1b

localize43.0ms

Local error

Found 4 expressions with local error:

26.5b
(sqrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x)))
7.8b
(/ (* (* t t) 4) x)
3.4b
(fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x))
0.4b
(* (sqrt 2) t)

rewrite26.0ms

Algorithm
rewrite-expression-head
Rules
15×add-sqr-sqrt add-cbrt-cube add-exp-log
10×*-un-lft-identity add-cube-cbrt
pow1 sqrt-prod
associate-*l*
expm1-log1p-u prod-exp cbrt-unprod insert-posit16 log1p-expm1-u add-log-exp
cbrt-undiv associate-/r* times-frac div-exp associate-*r*
unswap-sqr
rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 pow-prod-down *-commutative fma-udef div-inv associate-/l*
Counts
4 → 78
Calls
4 calls:
Slowest
16.0ms
(/ (* (* t t) 4) x)
7.0ms
(* (sqrt 2) t)
1.0ms
(sqrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x)))
0.0ms
(fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x))

series677.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
473.0ms
(sqrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x)))
91.0ms
(fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x))
64.0ms
(* (sqrt 2) t)
49.0ms
(/ (* (* t t) 4) x)

simplify2.8s

Counts
46 → 90
Calls
46 calls:
Slowest
277.0ms
(/ (* (* (* (* t t) 4) (* (* t t) 4)) (* (* t t) 4)) (* (* x x) x))
238.0ms
(/ (* (* (* (* t t) (* t t)) (* t t)) (* (* 4 4) 4)) (* (* x x) x))
231.0ms
(+ (* 2 (pow t 2)) (+ (* 2 (/ (pow l 2) x)) (* 4 (/ (pow t 2) x))))
209.0ms
(* (* (* (sqrt 2) (sqrt 2)) (sqrt 2)) (* (* t t) t))
200.0ms
(sqrt (* (cbrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x))) (cbrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x)))))

prune1.1s

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 4.1b

localize40.0ms

Local error

Found 4 expressions with local error:

26.5b
(sqrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x)))
7.8b
(/ (* (* t t) 4) x)
3.4b
(fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x))
0.3b
(* (sqrt (sqrt 2)) (* (sqrt (sqrt 2)) t))

rewrite51.0ms

Algorithm
rewrite-expression-head
Rules
18×add-cbrt-cube add-exp-log
12×sqrt-prod
11×add-sqr-sqrt
10×pow1 *-un-lft-identity add-cube-cbrt
associate-*l*
prod-exp cbrt-unprod
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
cbrt-undiv associate-/r* times-frac div-exp pow-prod-down
rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 associate-*r* *-commutative fma-udef div-inv associate-/l*
Counts
4 → 80
Calls
4 calls:
Slowest
27.0ms
(* (sqrt (sqrt 2)) (* (sqrt (sqrt 2)) t))
21.0ms
(/ (* (* t t) 4) x)
1.0ms
(sqrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x)))
0.0ms
(fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x))

series718.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
488.0ms
(sqrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x)))
108.0ms
(fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x))
73.0ms
(* (sqrt (sqrt 2)) (* (sqrt (sqrt 2)) t))
49.0ms
(/ (* (* t t) 4) x)

simplify3.2s

Counts
46 → 92
Calls
46 calls:
Slowest
293.0ms
(* (* (* (sqrt (sqrt 2)) (sqrt (sqrt 2))) (sqrt (sqrt 2))) (* (* (* (sqrt (sqrt 2)) t) (* (sqrt (sqrt 2)) t)) (* (sqrt (sqrt 2)) t)))
279.0ms
(* (* (* (sqrt (sqrt 2)) (sqrt (sqrt 2))) (sqrt (sqrt 2))) (* (* (* (sqrt (sqrt 2)) (sqrt (sqrt 2))) (sqrt (sqrt 2))) (* (* t t) t)))
239.0ms
(/ (* (* (* (* t t) 4) (* (* t t) 4)) (* (* t t) 4)) (* (* x x) x))
226.0ms
(sqrt (sqrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x))))
223.0ms
(+ (* 2 (pow t 2)) (+ (* 2 (/ (pow l 2) x)) (* 4 (/ (pow t 2) x))))

prune1.5s

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 4.1b

localize68.0ms

Local error

Found 4 expressions with local error:

27.3b
(cbrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x)))
27.3b
(cbrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x)))
27.3b
(cbrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x)))
11.5b
(sqrt (* (cbrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x))) (cbrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x)))))

rewrite15.0ms

Algorithm
rewrite-expression-head
Rules
12×pow1
cbrt-prod sqrt-pow1 pow1/3
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u add-log-exp
pow-prod-down pow-sqr pow-prod-up
pow2 rem-sqrt-square pow-plus pow1/2 sqrt-prod
Counts
4 → 64
Calls
4 calls:
Slowest
10.0ms
(sqrt (* (cbrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x))) (cbrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x)))))
2.0ms
(cbrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x)))
1.0ms
(cbrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x)))
1.0ms
(cbrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x)))

series1.0s

Counts
4 → 12
Calls
4 calls:
Slowest
258.0ms
(cbrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x)))
257.0ms
(sqrt (* (cbrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x))) (cbrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x)))))
253.0ms
(cbrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x)))
236.0ms
(cbrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x)))

simplify5.7s

Counts
32 → 76
Calls
32 calls:
Slowest
657.0ms
(- (+ (exp (* 1/3 (- (+ (log 4) (* 2 (log t))) (log x)))) (* 1/6 (* x (exp (* 1/3 (- (+ (log 4) (* 2 (log t))) (log x))))))) (* 2/9 (* (exp (* 1/3 (- (+ (log 1/16) (* 2 (log x))) (* 4 (log t))))) (pow l 2))))
238.0ms
(cbrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x)))
230.0ms
(exp (* 1/3 (- (+ (log -2) (log (/ -1 x))) (* 2 (log (/ -1 l))))))
227.0ms
(exp (* 1/3 (- (+ (log -2) (log (/ -1 x))) (* 2 (log (/ -1 l))))))
222.0ms
(* (cbrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x))) (cbrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x))))

prune1.3s

Pruning

11 alts after pruning (8 fresh and 3 done)

Merged error: 4.0b

regimes553.0ms

Accuracy

77% (5.4b remaining)

Error of 9.1b against oracle of 3.8b and baseline of 27.1b

bsearch1.9s

end0.0ms

sample9.0s

Algorithm
intervals
Results
2.1s5155×body80valid
2.1s10177×body80nan
933.0ms1017×body640valid
909.0ms619×body640nan
833.0ms832×body1280valid
656.0ms627×body1280nan
449.0ms617×body320valid
201.0ms323×body320nan
163.0ms379×body160valid
63.0ms182×body160nan