Date: Wed, 15 Apr 2015 20:42:11 +0300 From: Alexander Cherepanov <ch3root@...nwall.com> To: john-dev@...ts.openwall.com Subject: Re: [GSoC] John the Ripper support for PHC finalists On 30.03.2015 12:11, magnum wrote: > Agnieszka, please note that in OpenCL an int is always 32-bit and long > is always 64-bit. Long long is not used but is reserved; it may be used > in the future eg. for 128-bit. > > So when porting C code, basically ULL should always be UL and you can > replace all "long long" with long. On the same note, some reference code > use long where they really only need 32-bit (because that's what you > need to use to be really portable) and replacing that with int in a > kernel can give a very significant speed boost. Perhaps it's better to use types like uint32_t etc. if we know which types we need exactly and target platforms with different sizes? -- Alexander Cherepanov
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