THIS is an example of a situation where having fewer cores that run at a higher clock speed might actually be preferable to having a dozen slower cores. Yes, I know I can just host these hog-worthy Kontakt instruments in VEPro and get around Logic's hated "last core" performance issues, but still. Perhaps some of these developers are running on high-spec Windows machines, or i7 - based Macs with high clock speeds, or just not trying to integrate their products into large templates and therefore not noticing how silly it is that something as non-mission-critical as a guitar drone texture would choke a whole core? I will say that I just got the wife a new iMac 5k and it's got an i7 at something like 4gHz and it just screams through Photoshop but I haven't tried any music apps on it.
6 CORE MAC PRO SERIES
Other instruments like the Blendstrument series from 8dio behave in a similar manner (though not nearly as extreme as Dronar) - you play one key and five, ten, or more layers all play at once and by manipulating the GUI and MIDI controllers you can manipulate the blend of what you're hearing.
Maybe they have a separate convolution reverb on every sample group? Who knows, but it's a pig, plain and simple. It's not just the sheer number of voices playing (which IS excessive for something as non-critical as a guitar drone texture), because I've got many of my home-brewed instruments that have no user interface or scripting but can play dozens of voices with much less CPU load - so I'm not exactly sure what's going on under the hood of instruments like that to cause such a heavy load.
6 CORE MAC PRO CODE
I don't know if it's because of poorly-optimized code in the Kontakt scripting engine itself, or overly complex scripts created by the library developer, or what - but playing one note on this thing will load up Logic's last core all the way to the top. This library has a fairly simple user interface that lets you use five or six knobs to control the mix between a bunch of layered textures, and then go to a second page for detailed tweaking of eight or so individual stereo samples that are all playing at once. Late at night, bored and inundated with half-off sales emails, I purchased a library called Dronar Hybrid Guitar Textures. NKI file is provided and various combinations of the sample content are deployed from within that interface) can tax the "last core" in Logic all the way to the limit on my 12-core cylinder. I've seen a trend from some developers of Kontakt libraries lately - some instruments with ridiculously complex user interfaces and the "one instrument" approach (where a single. One thing to keep in mind is that the current 6-core has a MUCH faster clock speed than the current 12-core (3.5gHz versus 2.7gHz), so I'm sure this helps in many circumstances like the following: The CPU meters are shown below, with the cylinder on the left and the silver tower on the right:
6 CORE MAC PRO DRIVER
I booted it up on my cylinder, with the same audio preferences and buffer size - the only difference was that his machine runs the Avid CoreAudio driver for his HDX card, and mine was running the MOTU driver for the 112d AVB interface. The sequence is just a CPU stress test with a couple of dozen instances of Alchemy and Space Designer, and it loads his machine up almost to the top. While normal operations like messing around in the Finder don't feel all that much faster, here's a couple of images that might be informative.Ī buddy who has the same silver 12-core as I had (with SSD boot and audio drives) wanted to see if my cylinder was really any faster than the old faithful silver towers, so he made a test sequence for Logic X and sent it to me.
6 CORE MAC PRO PRO
I upgraded from a silver Mac Pro 5.1 (12-core 2.93gHz) to the new cylinder Mac Pro 6.1 (12-core 2.7gHz) and it's a LOT faster for Logic, somehow.
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