ECM users - version 30.9? - Page 5

ric · 2022-08-02, 15:56

Started testing 30.9 b1 on a couple of Colab instances on 13M PRP-CF exponents (10 curves, B1=50000, B2=15000000) and noticed soon a large <exp>.ftree file (~1.2GB) during stage 2 of each curve.

When stage 2 is completed, the <exp>.ftree file gets deleted and moved to the Trash folder - exhausting soon the 15GB space limit. Once proper debugging is done, would it be possible to truncate that file to zero- or minimal-length, prior to deletion?

Prime95 · 2022-08-02, 16:12

Quote:

Originally Posted by ric

Started testing 30.9 b1 on a couple of Colab instances on 13M PRP-CF exponents (10 curves, B1=50000, B2=15000000) and noticed soon a large <exp>.ftree file (~1.2GB) during stage 2 of each curve.

When stage 2 is completed, the <exp>.ftree file gets deleted and moved to the Trash folder - exhausting soon the 15GB space limit. Once proper debugging is done, would it be possible to truncate that file to zero- or minimal-length, prior to deletion?

Good suggestion.

In the meantime, set EcmSaveFtreeToDisk=0 in prime.txt

2022-08-02, 15:56	#45
ric Jul 2004 Milan, Ita 11001011₂ Posts	ftree file from stage 2 overloads trash in Colab Started testing 30.9 b1 on a couple of Colab instances on 13M PRP-CF exponents (10 curves, B1=50000, B2=15000000) and noticed soon a large <exp>.ftree file (~1.2GB) during stage 2 of each curve. When stage 2 is completed, the <exp>.ftree file gets deleted and moved to the Trash folder - exhausting soon the 15GB space limit. Once proper debugging is done, would it be possible to truncate that file to zero- or minimal-length, prior to deletion?

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