I have a paid SMC account, but only the cheapo option. Not sure if that's relevant.
On Tuesday, 2 February 2016 11:07:43 UTC+1, Dima Pasechnik wrote: > > > > On Tuesday, 2 February 2016 09:12:39 UTC, Bill Hart wrote: >> >> I don't know if a VM would cause issued for the timing or not. Given that >> the timings need to be cycle accurate, it could be an issue. It's not just >> tuning we are doing, but superoptimisation. >> >> At present I'm not able to wget or git clone anything from my account on >> there anyway. >> > > you cannot do this from a free account, due to e.g. DDOS attacks launched > from free SMC accounts in the past. > We can get you ODK-paid accounts if you like. > > > > >> So I will probably not try to use SMC for that. It's not really its >> intended purpose. >> >> Bill. >> >> On Monday, 1 February 2016 16:37:13 UTC+1, William wrote: >>> >>> On Mon, Feb 1, 2016 at 7:32 AM, Dima Pasechnik <[email protected]> >>> wrote: >>> > Are Intel(R) Xeon(R) CPU @ 2.30GHz interesting for you? >>> > (That's what one gets on SMC. We have some SMC licenses here bought >>> for ODK) >>> > No idea if one could get something better there, but you could ask >>> William. >>> >>> It's a Virtual Machine, so may or may not be useful for their tuning. >>> The main plus is that it is a Haswell architecture, which is pretty >>> new: >>> >>> $ cat /proc/cpuinfo >>> processor : 0 >>> vendor_id : GenuineIntel >>> cpu family : 6 >>> model : 63 >>> model name : Intel(R) Xeon(R) CPU @ 2.30GHz >>> stepping : 0 >>> microcode : 0x1 >>> cpu MHz : 2299.968 >>> cache size : 46080 KB >>> physical id : 0 >>> siblings : 1 >>> core id : 0 >>> cpu cores : 1 >>> apicid : 0 >>> initial apicid : 0 >>> fpu : yes >>> fpu_exception : yes >>> cpuid level : 13 >>> wp : yes >>> flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge >>> mca cmov pat pse36 clflush mmx fxsr sse sse2 ss ht syscall nx pdpe1gb >>> rdtscp lm constant_t >>> sc nopl xtopology eagerfpu pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 >>> x2apic movbe popcnt aes xsave avx f16c rdrand hypervisor lahf_lm abm >>> fsgsbase bmi1 avx2 sme >>> p bmi2 xsaveopt >>> bugs : >>> bogomips : 4599.93 >>> clflush size : 64 >>> cache_alignment : 64 >>> address sizes : 46 bits physical, 48 bits virtual >>> power management: >>> >>> > Dima >>> > >>> > >>> > On Monday, 1 February 2016 11:43:05 UTC, Bill Hart wrote: >>> >> >>> >> Hi all, >>> >> >>> >> today Alex Best started in Kaiserslautern on this OpenDreamKit >>> project. >>> >> He's working on support in MPIR for the latest Intel and AMD >>> processors. >>> >> However, we have very little access to anything later than about >>> 2010. >>> >> >>> >> Does anyone have more recent Intel and AMD machines (linux servers) >>> that >>> >> they could provide log in access to? We'd be doing timings of all the >>> basic >>> >> MPIR functions and eventually superoptimising the assembly language >>> >> functions. >>> >> >>> >> In general, one can expect up to a 2x speedup for each different >>> >> microarchitecture (code from previous arches is rarely anywhere near >>> optimal >>> >> for more recent ones). E.g. we just tried some code which is roughly >>> optimal >>> >> for bobcat on a piledriver and it was two times slower than the old >>> K10 code >>> >> we have! >>> >> >>> >> If you can help, please contact me off list. >>> >> >>> >> Bill. >>> >> >>> >> P.S: We are aware of the GCC farm, but almost everything there we >>> have >>> >> access to elsewhere. >>> > >>> > -- >>> > You received this message because you are subscribed to the Google >>> Groups >>> > "sage-devel" group. >>> > To unsubscribe from this group and stop receiving emails from it, send >>> an >>> > email to [email protected]. >>> > To post to this group, send email to [email protected]. >>> > Visit this group at https://groups.google.com/group/sage-devel. >>> > For more options, visit https://groups.google.com/d/optout. >>> >>> >>> >>> -- >>> William (http://wstein.org) >>> >> -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
