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Cake day: June 29th, 2023

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  • Man I just built a new rig last November and went with nvidia specifically to run some niche scientific computing software that only targets CUDA. It took a bit of effort to get it to play nice, but it at least runs pretty well. Unfortunately, now I’m trying to update to KDE6 and play games and boy howdy are there graphics glitches. I really wish HPC academics would ditch CUDA for GPU acceleration, and maybe ifort + mkl while they’re at it.






  • ornery_chemist@mander.xyztoLemmy Shitpost@lemmy.worldJragon
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    9 months ago

    aɪ noː jɚ ˈbiːɪŋ fəˈsiːʃəs, bʌt ˈɪŋglɪʃ ˈvɑʊəlz ɛsˈpɛʃəli kən biː ə ˈɹiːəl ˈklʌstɚfʌk. ɪf ə wɚd ɪz tə biː ˌjunɪˈvɚsəli ˈɹɛkəgnaɪzd baɪ ɪts ˈspɛlɪŋ, ðɛn ðə ˈspɛlɪŋ wɪl nɑt ˈfeɪθfəli ˌɹɛpɹɪˈzɛnt mɛni ˈpiplz pɹəˌnʌnsiˈeɪʃənz… so nɑʊ ju hæv ðə seɪm ˈpɹɑbləm æz bəˈfoɹ ɛkˈsɛpt wɪθ ˈhɑrdɚ-tə-taɪp ˈlɛtɚz.

    ʃwɑ ɪn pɑɹˈtɪkulɚ ɪz ə hoːl ˈʃɪtʃoː ɑn ɪts oːn

    ɑn ðæt noːt, gɛs weɹ aɪ gɹuː ʌp :)




  • ornery_chemist@mander.xyztoLemmy Shitpost@lemmy.worldThe color test
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    10 months ago

    This is not true. That women cannot have the congenital dichromacy (or anomalous trichromacy) that biological males commonly have is flat out wrong. A biological female can still be a protan or deutan, but the phenotype requires that both X chromosomes carry the recessive color vision-deficient alleles. Nevertheless, given that ~8% of all X chromosomes have such a gene regardless of sex, the incidence in the female population is still around half a percent, which is not insignificant.

    Interestingly, one form of tetrachromacy in females actually has the same cause as color vision deficiency in some males (specifically anomalous trichromacy). From what I understand, only one X chromosome is active per cone cell, and which one is active is random. So, half of such a person’s cone cells of one type are “normal” while the rest of that type are anomalous and have a slightly different peak wavelength. The net result is four different types of cone cells, i.e., tetrachromacy, which may have an incidence of more than 10% in females.