Benchmark test e^x^3
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02-15-2019, 02:30 PM
Post: #24
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RE: Benchmark test e^x^3
(02-14-2019 10:15 PM)Claudio L. Wrote:(02-11-2019 03:28 PM)Beginner Wrote: Some time ago I came across a youtube video in which as a benchmark test is suggested to calculate the intervall of e^x^3 between 0 and 6. The result is 5,96 E91. It takes about 1 second for the HP Prime, it takes more than 1 min for the HP 50G. Update: Setting precision to 16 digits (which makes sense if we only request 12 on the result, should've done this from the beginning), plus using a program << DUP DUP * * EXP >> instead of a symbolic expression results in a substantial speedup: From 0 to 10.5 produces the result with 11 correct digits (lost one digit due to reduced precision) in 2.6 seconds. From 0 to 6 with 12 correct digits in 2.15 seconds. This is only to show that the 50g hardware is not *that* obsolete, its software is (coming from the HP28 OS the core math is much, much older). |
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