Asteroid -- a new Mac mining client (0.9.7)

[Karin]

Introducing Asteroid, a self-contained, open-source, ready-to-run solution for Bitcoin and Litecoin mining on Macs!

Download 0.9.7 now (updated Feb 15, 2014)


Normal view


Collapsed view

Everything is self-contained within a single app.  There's no install process, no extra drivers, just save and run.  The UI is clean and minimal, with many features not found in any other miner.

Features in first release:
 - easy install, clean unified UI with full retina graphics
 - pre-configured with settings for the most popular pools, just enter your login and go
 - crowdsourced settings, so you get the best hashrates as found by other Asteroid users
 - live coin balances
 - monitor from your smartphone with MobileMiner!
 - uses keychain to keep your passwords organized and secure
 - hash rate in dock icon, as well as device stats in dock menu
 - in-app feedback
 - automatic software updates
 - open-source - and uses the unofficial cgminer for Mac OS X and sgminer for Mac OS X binaries
 - ultra-transparent - Asteroid is written in an interpreted programming language (AppleScriptObjC), so you can read the exact same code that runs it (instead of trusting a pre-compiled binary)
 - cgminer 3.12.3, cgminer 3.7.2, and sgminer 4.1.0 on the backend

Screenshot of pool setup:


Screenshot of dock menu:


Screenshot of Preferences - General:


Screenshot of Preferences - Litecoin:


Screenshot of Preferences - MobileMiner:


Screenshots of MobileMiner with Asteroid's stats on an iOS device:


System requirements:
 - Mac OS X 10.8 (10.7 coming soon, in the meantime check out my cgminer for Mac OS X for 10.5+ support)
 - Discrete graphics card (such as nVidia or AMD), or an Intel HD 4000+, or a USB-based mining device

Download: Latest version - 0.9.7

If you are seeing problems upgrading between versions, or at other times, launch Asteroid with the option key held down.  This will reset your preferences and Asteroid will start fresh.

Website: www.asteroidapp.com
Twitter: @AsteroidApp (app news), @kcspaceman (me)

Donations: Support this project by automatically donating some of your hashing time via the in-app Preferences (where you can donate X minutes every Y hours).  It's gotta be the easiest way to donate to a project ever, eh?

BTC: 18jzhWi8VU3RtDAyEGFCapkftG7haJyhmY
LTC: LSXnenY65x9VXL2iRWhchzfLFQsKHTLwGj
DOGE: DRvqwL8FZucQNmDCvVQnQTGPUvDhCUvA6Y

Licensing: GPL v3 for Asteroid, GPL v2, GPL v3 and custom open-source-friendly licences for various included code (see included)

Source code:  Go to "View source code" under the Asteroid menu, or right click on Asteroid.app -> Show Package Contents -> Contents -> Resources -> AppDelegate.scpt & AppHelper.scpt

Asteroid is written in AppleScriptObjC, an interpreted language hybrid of Cocoa and AppleScript.  This means that the code you read on your computer is exactly the same code that gets executed.  Open the source file, edit the code and run the app, that's it!  Every Mac in the last 15 years comes pre-installed with everything you need to edit Asteroid (no Xcode or special command-line utilities needed).  AppleScriptObjC is also really easy to read, super powerful, and a great language if you want to learn more about programming.

[ct1aic]

Greetings.

I would like to try it with my MacBook (GeForce 9400M, 2.0 MHash/s with DiabloMiner).

Best regards.

[emunebtk]

Would love to test it out on my Mac Pro running 10.7 Lion...does it have scrypt enabled for Litecoin mining or only BTC? PM sent

[Karin]

Yes, it's compiled for scrypt / litecoin though the UI isn't hooked up yet.  That's coming in the next few versions.  Tentative feature roadmap is here, and can change based on what people ask for (squeaky wheel and all that)!

Of particular note is that Asteroid will (eventually) include crowdsourced settings to help everyone get the best hashrates without needing to fiddle with command-line toggles, etc.  Asteroid will manage it for you.

And I discovered something cool when I was running some stats tonight.  Because Asteroid is a front-end to cgminer, you'd think it would use up more CPU time in total.  But Asteroid + cgminer uses less CPU (6% versus 8%) than if you ran cgminer alone in a terminal window!  The text interface cgminer that uses is a relative pig compared to the nice GUI Asteroid uses.  Asteroid disables that interface and uses its own.  So hey, extra CPU time for other stuff, cooler computer, etc

emunebtc, I sent you a PM back.  Thanks for being a guinea pig for me!  Still hoping for public beta this weekend.

[ct1aic]

Greetings.

I tried Asteroid 0.4.1 in my MacBook (13-inch Aluminium Late 2008), 2.4 GHz Intel Core 2 Duo, 4 GBytes 1333 MHz DDR3, Nvidea GeForce 9400M 256 MBytes, OS X 10.8.3.

I got the following error, when trying to initialize miner (I selected feedback, to send you the crash report ):

The miner API never came up, therefore we can't do anything. Please report this bug.

I didn't modified any option (Intensity 2 flexible) and was trying to connect to Deepbit.net
3 tries later (killing and starting again the program), it started mining without errors, it connected to Deepbit.net, but the mining was always with 0.00 MH/s value.

With DiabloMiner I can get (only) 1.7 to 2.0 MH/s:

Starting DiabloMiner (GPU)...
-----------------------------
[5/24/13 9:40:33 AM] Started                                                
[5/24/13 9:40:33 AM] Connecting to: http://eu.triplemining.com:8344/        
[5/24/13 9:40:33 AM] Using Apple OpenCL 1.2 (Dec  4 2012 18:26:30)          
[5/24/13 9:40:35 AM] Added GeForce 9400M (#1) (2 CU, local work size of 256)
mhash: 1.8/1.9 | accept: 1 | reject: 0 | hw error: 0

I tried then to select the TripleMining pool... same problem (API never came up) and the program freezes, with "initializing miner..." forever.

This time, I tried several times and always got the same API error. That way, I couldn't select any other mining pool.

As a new feature, it would be nice to have a direct button to access the console or better, a own console, like Windows's GUIMiner and others.

P.S.:
MacBook Console:

24/05/2013 10:51:22.042 AM Console[4371]:  Marker - 24May 2013 10:51:22
24/05/2013 10:51:31.013 AM cgminer[4383]: Started cgminer 3.1.1
24/05/2013 10:51:32.727 AM cgminer[4383]: Probing for an alive pool
24/05/2013 10:51:38.855 AM ReportCrash[4421]: Saved crash report for cgminer[4383] version 0 to /Users/ruicosta/Library/Logs/DiagnosticReports/cgminer_2013-05-24-105138_Rui-Costas-MacBook.crash
24/05/2013 10:51:50.437 AM Asteroid[4374]: alert: The miner API never came up, therefore we can't do anything.  Please report this bug.
24/05/2013 10:51:54.681 AM Console[4371]:  Marker - 24May 2013 10:51:54

[Karin]

Thanks for the report!

I tried Asteroid 0.4.1 in my MacBook (13-inch Aluminium Late 2008), 2.4 GHz Intel Core 2 Duo, 4 GBytes 1333 MHz DDR3, Nvidea GeForce 9400M 256 MBytes, OS X 10.8.3.

I got the following error, when trying to initialize miner:

The miner API never came up, therefore we can't do anything. Please report this bug.

I didn't modified any option (Intensity 2 flexible) and was trying to connect to Deepbit.net
3 tries later (killing and starting again the program), it started mining without errors, it connected to Deepbit.net, but the mining was always with 0.00 MH/s value.

Looks like cgminer is crashing when Asteroid tries to launch it.  Could you please send me the crash log file it generated (/Users/ruicosta/Library/Logs/DiagnosticReports/cgminer_2013-05-24-105138_Rui-Costas-MacBook.crash)?  You can send it to aster7oid@spa-ceman.ca (remove the 7 and the dash before emailing that address).

As a new feature, it would be nice to have a log window, to see the connections to the mining pool and other conversations.

I agree, and this is in the works.  It will go one step better and organize the errors for you for easy submission through the in-app "Send feedback" feature.  The status line is also due for some tweaks so the user has a better idea what it's doing when things go wrong.

[Karin]

I have another report of an nVidia 9400M user unable to run cgminer on a mac due to a segmentation fault 11 from a few weeks ago.

If you are comfortable with the terminal, try the following to see if any these work.  If so, it should be a simple fix for the next Asteroid.

1) Open Terminal
2) Type "cd " and then drag-drop Asteroid on the Terminal window, press enter.
3) Type "cd Contents/Resources", press enter
4) Type each one of the lines below and see if cgminer starts and begins mining:

./cgminer --hotplug 0 -k diablo
./cgminer --hotplug 0 -k poclbm
./cgminer --hotplug 0 -k phatk
./cgminer --hotplug 0 -k diakgcn

You'll need to enter your pool settings each time.

Thanks!

[ct1aic]

Thanks for the report!

I tried Asteroid 0.4.1 in my MacBook (13-inch Aluminium Late 2008), 2.4 GHz Intel Core 2 Duo, 4 GBytes 1333 MHz DDR3, Nvidea GeForce 9400M 256 MBytes, OS X 10.8.3.

I got the following error, when trying to initialize miner:

The miner API never came up, therefore we can't do anything. Please report this bug.

I didn't modified any option (Intensity 2 flexible) and was trying to connect to Deepbit.net
3 tries later (killing and starting again the program), it started mining without errors, it connected to Deepbit.net, but the mining was always with 0.00 MH/s value.

Looks like cgminer is crashing when Asteroid tries to launch it.  Could you please send me the crash log file it generated (/Users/ruicosta/Library/Logs/DiagnosticReports/cgminer_2013-05-24-105138_Rui-Costas-MacBook.crash)?  You can send it to aster7oid@spa-ceman.ca (remove the 7 and the dash before emailing that address).

As a new feature, it would be nice to have a log window, to see the connections to the mining pool and other conversations.

I agree, and this is in the works.  It will go one step better and organize the errors for you for easy submission through the in-app "Send feedback" feature.  The status line is also due for some tweaks so the user has a better idea what it's doing when things go wrong.

Karin, the last quote of my last message is the copy/past of the Mac console.

[Karin]

Karin, the last quote of my last message is the copy/past of the Mac console.

Yes, and thanks for that (I posted before your edit)!  Cgminer also made its own crashlog with extra information that may help me with debugging, info that isn't dumped to the console when it crashes.  It's the file located on your computer here: /Users/ruicosta/Library/Logs/DiagnosticReports/cgminer_2013-05-24-105138_Rui-Costas-MacBook.crash.  If you're able to send/post that it may help too.

Thanks!

[ct1aic]

crash file sent by email 

[Karin]

Wow, the response has been amazing, thank you!  @AsteroidApp on Twitter may be your easiest way to follow development.

I can tell there is a market for Mac mining apps.  I've had 16,000+ visitors (not hits, but visitors) to my cgminer tutorial since I put it online only a month ago!

I've posted a new version, 0.4.2, for private beta testers to try out.  It incorporates many tweaks, fixes, and improvements.  I've also lowered the system requirements to Mac OS X 10.6.  I may do 10.5 PPC support if anyone besides me is interested (for USB-based miners)


In-app feedback is live, please use that to report any bugs or your thoughts.

However, I need to add some code to my webserver in order to save logs from the in-app feedback.  So today, please copy-paste any errors from into the feedback window as those still send great.  Tomorrow you can simply click the checkbox and your debug logs will be submitted to me automatically (all without a software update on your end)

Litecoin support coming this week

[SpaceCadet]

This looks to be very useful!  What version of cgminer are you running?  I've only been able to find osx binaries for 2.4.? (not at the machine).  It runs well enough, but lacks a lot of what I have on my windoze version.  I use shell files for the different pools I use to simply the start up, but the gui looks much cleaner (once I get the conf tweaked for a given pool .  Scypt and stratum support would also be very nice! 

I'm using the extra cycles on one of my kids iMac i5 with an amd video card.  Using cgminer 2.4 with no ability to tweak the card settings, I get around 80 mh/s at -i 8.  I found an app to spin up the case fans so it runs much cooler than it did with the stock fan settings. (iMacs weren't built for driving hard!).

Cheers!

[Karin]

Using cgminer 3.1.1, although 3.2.0 came out a few days ago.  I'm working out a few issues on porting it and will likely have it in the next version of Asteroid.

Asteroid has been working great on iMacs, I sent you an invite to participate in the private beta test as a PM so you can try it for yourself

[webjoe]

Looks good I'd like to try it with my ASICMiner USB Block Erupter and I'm happy to post back feedback through the app.  How can I download it?

[Karin]

Thanks webjoe!  I'll send you a PM with details

Given the changing landscape of casual mining, I've focused on Litecoin and USB mining in recent weeks.  I'm pretty comfortable where they are and in a few days I hope to make it all public (otherwise it'll be private forever... the pitfall of being a perfectionist...).

Latest features include OS 10.6 support, cgminer 3.3.0, Litecoin, USB mining, and misc improvements throughout based on tester feedback.  

[wasthatawolf]

Just got a USB Block Erupter and I'd love to try out the Asteroid software with my Macbook Pro

[adviceadam]

I have a Mac Pro (with a 5770) that I would love to try this out on.

[A_Member]

Asteroid crashes when I do either of the following things:
Choose a bitcoin or litecoin pool, enter any username and password(valid or not), and press accept or cancel.
Press the play button over the hashrate indicator bar.

The "Send Feedback" button on the "Feedback" window doesn't do anything.  (That's why I didn't send feedback through that route.)

I am on a MacBook with a 2 GHz Intel Core 2 Duo Processor, 2 GB 1067 MHz DDR3 memory, NVIDIA GeForce 9400M 256 MB graphics, and I am running Mac OS X Lion 10.7.4 (11E53).

Here is the crash report from one of my crashes:

Code:

Process:         Asteroid [5155]
Path:            /Applications/Asteroid.app/Contents/MacOS/Asteroid
Identifier:      com.spaceman.Asteroid
Version:         0.8.0 (15)
Code Type:       X86 (Native)
Parent Process:  launchd [244]

Date/Time:       2013-06-25 20:03:48.615 -0500
OS Version:      Mac OS X 10.7.4 (11E53)
Report Version:  9

Interval Since Last Report:          3821199 sec
Crashes Since Last Report:           219
Per-App Interval Since Last Report:  945 sec
Per-App Crashes Since Last Report:   13
Anonymous UUID:                      35416C75-C29E-486C-ADA6-3D0AF323D46F

Crashed Thread:  0  Dispatch queue: com.apple.main-thread

Exception Type:  EXC_BAD_ACCESS (SIGBUS)
Exception Codes: KERN_PROTECTION_FAILURE at 0x0000000000000020

VM Regions Near 0x20:
--> __PAGEZERO             0000000000000000-0000000000001000 [    4K] ---/--- SM=NUL  /Applications/Asteroid.app/Contents/MacOS/Asteroid
    __TEXT                 0000000000001000-0000000000002000 [    4K] r-x/rwx SM=COW  /Applications/Asteroid.app/Contents/MacOS/Asteroid

Application Specific Information:
objc_msgSend() selector name: methodSignatureForSelector:
objc[5155]: garbage collection is OFF
Performing @selector(poolSheetAccept:) from sender NSButton 0x288b40

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   libobjc.A.dylib               	0x9000bd47 objc_msgSend + 23
1   com.apple.AppleScriptObjC     	0x9083e5f0 Invoke + 457
2   com.apple.AppleScriptObjC     	0x9083f81e BASendProc + 2351
3   com.apple.applescript         	0x02b263ce ComponentSend(AEDesc const*, AEDesc*, long, long) + 535
4   com.apple.applescript         	0x02b35b19 TUASApplication::Send(TStackFrame_UASRemoteSend*, AEDesc*, AEDesc*, unsigned char, unsigned char, unsigned char) + 2607
5   com.apple.applescript         	0x02b53e46 UASRemoteSend(unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char*) + 403
6   com.apple.applescript         	0x02b5fd7f UASSend1(unsigned char, unsigned char, unsigned char, TUASSendMode) + 688
7   com.apple.applescript         	0x02b601a4 UASSend(unsigned char, TUASSendMode) + 41
8   com.apple.applescript         	0x02b4ad22 BCPositionalMessageSend() + 154
9   com.apple.applescript         	0x02b3a547 UASExecute1() + 331
10  com.apple.applescript         	0x02b0dfa1 ASExecuteEvent(AEDesc const*, unsigned long, long, unsigned long*) + 733
11  com.apple.CoreServices.CarbonCore	0x933b463f callComponent_4444 + 40
12  com.apple.CoreServices.CarbonCore	0x93462cf9 CallComponentFunction + 41
13  com.apple.applescript         	0x02b077b9 AppleScriptComponent + 1729
14  com.apple.CoreServices.CarbonCore	0x933d9415 CallComponent + 223
15  com.apple.CoreServices.CarbonCore	0x933d945e CallComponentDispatch + 29
16  com.apple.openscripting       	0x98830705 OSAExecuteEvent + 61
17  com.apple.AppleScriptObjC     	0x908372b1 +[BAObjectProto invokeScriptHandler:forObject:args:error:] + 286
18  com.apple.AppleScriptObjC     	0x908375e4 -[BAObjectProto invokeScriptHandler:args:error:] + 99
19  com.apple.AppleScriptObjC     	0x908387eb -[BAObjectProto forwardInvocation:] + 507
20  com.apple.CoreFoundation      	0x9661fe8e ___forwarding___ + 894
21  com.apple.CoreFoundation      	0x9661faa2 _CF_forwarding_prep_0 + 50
22  com.apple.CoreFoundation      	0x96622d11 -[NSObject performSelector:withObject:] + 65
23  com.apple.AppKit              	0x9b0e886f -[NSApplication sendAction:to:from:] + 232
24  com.apple.AppKit              	0x9b0e874c -[NSControl sendAction:to:] + 102
25  com.apple.AppKit              	0x9b0e864f -[NSCell _sendActionFrom:] + 160
26  com.apple.AppKit              	0x9b0e7a0c -[NSCell trackMouse:inRect:ofView:untilMouseUp:] + 2295
27  com.apple.AppKit              	0x9b16ac89 -[NSButtonCell trackMouse:inRect:ofView:untilMouseUp:] + 501
28  com.apple.AppKit              	0x9b0e644f -[NSControl mouseDown:] + 943
29  com.apple.AppKit              	0x9b0affc5 -[NSWindow sendEvent:] + 7533
30  com.apple.AppKit              	0x9b049163 -[NSApplication sendEvent:] + 4788
31  com.apple.AppKit              	0x9afdad11 -[NSApplication run] + 1007
32  com.apple.AppKit              	0x9b26bbd9 NSApplicationMain + 1054
33  com.spaceman.Asteroid         	0x00001ef9 0x1000 + 3833

Thread 1:: Dispatch queue: com.apple.libdispatch-manager
0   libsystem_kernel.dylib        	0x98ba490a kevent + 10
1   libdispatch.dylib             	0x9102fe10 _dispatch_mgr_invoke + 969
2   libdispatch.dylib             	0x9102e85f _dispatch_mgr_thread + 53

Thread 2:: CVDisplayLink
0   libsystem_kernel.dylib        	0x98ba383e __psynch_cvwait + 10
1   libsystem_c.dylib             	0x99c28e78 _pthread_cond_wait + 914
2   libsystem_c.dylib             	0x99c28f7b pthread_cond_timedwait_relative_np + 47
3   com.apple.CoreVideo           	0x927a1e8c CVDisplayLink::waitUntil(unsigned long long) + 306
4   com.apple.CoreVideo           	0x927a0fde CVDisplayLink::runIOThread() + 706
5   com.apple.CoreVideo           	0x927a0d05 _ZL13startIOThreadPv + 160
6   libsystem_c.dylib             	0x99c24ed9 _pthread_start + 335
7   libsystem_c.dylib             	0x99c286de thread_start + 34

Thread 3:
0   libsystem_kernel.dylib        	0x98ba402e __workq_kernreturn + 10
1   libsystem_c.dylib             	0x99c26ccf _pthread_wqthread + 773
2   libsystem_c.dylib             	0x99c286fe start_wqthread + 30

Thread 4:
0   libsystem_kernel.dylib        	0x98ba402e __workq_kernreturn + 10
1   libsystem_c.dylib             	0x99c26ccf _pthread_wqthread + 773
2   libsystem_c.dylib             	0x99c286fe start_wqthread + 30

Thread 5:
0   libsystem_kernel.dylib        	0x98ba402e __workq_kernreturn + 10
1   libsystem_c.dylib             	0x99c26ccf _pthread_wqthread + 773
2   libsystem_c.dylib             	0x99c286fe start_wqthread + 30

Thread 6:: com.apple.appkit-heartbeat
0   libsystem_kernel.dylib        	0x98ba3bb2 __semwait_signal + 10
1   libsystem_c.dylib             	0x99bd97b9 nanosleep$UNIX2003 + 187
2   libsystem_c.dylib             	0x99bd9558 usleep$UNIX2003 + 60
3   com.apple.AppKit              	0x9b223816 -[NSUIHeartBeat _heartBeatThread:] + 2399
4   com.apple.Foundation          	0x908f0e25 -[NSThread main] + 45
5   com.apple.Foundation          	0x908f0dd5 __NSThread__main__ + 1582
6   libsystem_c.dylib             	0x99c24ed9 _pthread_start + 335
7   libsystem_c.dylib             	0x99c286de thread_start + 34

Thread 0 crashed with X86 Thread State (32-bit):
  eax: 0x00457010  ebx: 0x00407f30  ecx: 0x9b93cdb3  edx: 0x00000000
  edi: 0x9083e438  esi: 0x00457010  ebp: 0xbfffee28  esp: 0xbfffecc8
   ss: 0x00000023  efl: 0x00010202  eip: 0x9000bd47   cs: 0x0000001b
   ds: 0x00000023   es: 0x00000023   fs: 0x00000000   gs: 0x0000000f
  cr2: 0x00000020
Logical CPU: 1

Binary Images:
    0x1000 -     0x1fff +com.spaceman.Asteroid (0.8.0 - 15) <C8FD641D-7B26-3FD2-839E-A05534B7D350> /Applications/Asteroid.app/Contents/MacOS/Asteroid
    0x7000 -    0x1afff +org.andymatuschak.Sparkle (1.5 Beta 6 - 313) <5DF2B8A3-560D-4500-6B85-4215644DE532> /Applications/Asteroid.app/Contents/Frameworks/Sparkle.framework/Versions/A/Sparkle
   0x2b000 -    0xd8ff7  libcrypto.0.9.7.dylib (0.9.7 - compatibility 0.9.7) <7B6DB792-C9E5-3772-8734-8D0052757B8C> /usr/lib/libcrypto.0.9.7.dylib
  0x15d000 -   0x15dff2  CFNetwork.dylib (??? - ???) <D4F9B508-DF8B-3FCB-B350-6D7A1182FED4> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CFNetwork.framework/Resources/BridgeSupport/CFNetwork.dylib
  0x1c4000 -   0x1c4ff8  Foundation.dylib (??? - ???) <102D4B54-E774-3D46-BF38-C038CAACD5C8> /System/Library/Frameworks/Foundation.framework/Resources/BridgeSupport/Foundation.dylib
  0x1ca000 -   0x1caff0  CoreFoundation.dylib (??? - ???) <561D2C0F-9E18-331B-BB95-6BD5ED01E5CA> /System/Library/Frameworks/CoreFoundation.framework/Resources/BridgeSupport/CoreFoundation.dylib
  0x1cf000 -   0x1cfff3  AppKit.dylib (??? - ???) <45934926-F49A-395D-85B4-F38997A6BED8> /System/Library/Frameworks/AppKit.framework/Resources/BridgeSupport/AppKit.dylib
  0x1e0000 -   0x1e0fff  com.apple.applescript.component (2.2.1 - 2.2.1) <E7C937D3-5623-32EB-AA4F-B5D0D1EE27B9> /System/Library/Components/AppleScript.component/Contents/MacOS/AppleScript
 0x27f1000 -  0x27f3fff  libCoreFSCache.dylib (??? - ???) <5B141DE1-6FC9-3155-833B-23A447A598AB> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libCoreFSCache.dylib
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0x96282000 - 0x962d2ff8  libTIFF.dylib (??? - ???) <4DC2025D-15E7-35CA-B7C5-9F73B26C8B53> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libTIFF.dylib
0x962d3000 - 0x962d3fff  libffi.dylib (??? - ???) <58A2AA81-461E-3581-9A8C-880A3BDA2D6A> /usr/lib/libffi.dylib
0x962d4000 - 0x96361ff7  com.apple.CoreText (220.20.0 - ???) <0C3EDD4F-6112-353A-8A3A-8D630182C22A> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreText.framework/Versions/A/CoreText
0x96362000 - 0x96369ff8  libCGXCoreImage.A.dylib (600.0.0 - compatibility 64.0.0) <3E1A07C0-AC27-3070-945D-A9C2A71DEADB> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreGraphics.framework/Versions/A/Resources/libCGXCoreImage.A.dylib
0x9636a000 - 0x9644bff7  com.apple.DiscRecording (6.0.4 - 6040.4.1) <08BADDAD-FA79-3872-9387-EEE2A9FAA2F0> /System/Library/Frameworks/DiscRecording.framework/Versions/A/DiscRecording
0x9654c000 - 0x96555fff  libc++abi.dylib (14.0.0 - compatibility 1.0.0) <FEB5330E-AD5D-37A0-8AB2-0820F311A2C8> /usr/lib/libc++abi.dylib
0x96588000 - 0x9675ffe7  com.apple.CoreFoundation (6.7.2 - 635.21) <4D1D2BAF-1332-32DF-A81B-7E79D4F0A6CB> /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
0x96760000 - 0x967b2ff7  libFontRegistry.dylib (??? - ???) <96E9602C-DFD3-3021-8090-60228CC80D26> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/Resources/libFontRegistry.dylib
0x96842000 - 0x968e6fff  com.apple.QD (3.40 - ???) <3881BEC6-0908-3073-BA44-346356E1CDF9> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/QD.framework/Versions/A/QD
0x968e7000 - 0x96962ffb  com.apple.ApplicationServices.ATS (317.11.0 - ???) <42238C8B-C93F-3369-A500-EC0F10EB2C80> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/ATS
0x97288000 - 0x972ccfff  com.apple.MediaKit (12 - 602) <6E429DD7-8829-37DE-94AF-940FB70F2FB9> /System/Library/PrivateFrameworks/MediaKit.framework/Versions/A/MediaKit
0x973ac000 - 0x973acfff  com.apple.Accelerate (1.7 - Accelerate 1.7) <4192CE7A-BCE0-3D3C-AAF7-6F1B3C607386> /System/Library/Frameworks/Accelerate.framework/Versions/A/Accelerate
0x973dc000 - 0x973dcff2  com.apple.CoreServices (53 - 53) <7CB7AA95-D5A7-366A-BB8A-035AA9E582F8> /System/Library/Frameworks/CoreServices.framework/Versions/A/CoreServices
0x9742d000 - 0x9742efff  liblangid.dylib (??? - ???) <C8C204E9-1785-3785-BBD7-22D59493B98B> /usr/lib/liblangid.dylib
0x97436000 - 0x9746dfef  com.apple.DebugSymbols (2.1 - 87) <EB951B78-31A5-379F-AFA1-B5C9A7BB3D23> /System/Library/PrivateFrameworks/DebugSymbols.framework/Versions/A/DebugSymbols
0x9746e000 - 0x9759aff9  com.apple.CFNetwork (520.4.3 - 520.4.3) <E9E315D4-CE22-3715-BED2-BB95AD5E10E8> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CFNetwork.framework/Versions/A/CFNetwork
0x975a7000 - 0x975d6ff7  libsystem_info.dylib (??? - ???) <37640811-445B-3BB7-9934-A7C99848250D> /usr/lib/system/libsystem_info.dylib
0x976a9000 - 0x97702fff  com.apple.HIServices (1.21 - ???) <5F4D3797-32E2-3709-85F4-4B56515A17D7> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/HIServices.framework/Versions/A/HIServices
0x97703000 - 0x97704ffe  libScreenReader.dylib (??? - ???) <97D8D8C9-4578-3887-8A64-95270DD1F23A> /usr/lib/libScreenReader.dylib
0x97705000 - 0x9771ffff  com.apple.Kerberos (1.0 - 1) <D7920A1C-FEC4-3460-8DD0-D02491578CBB> /System/Library/Frameworks/Kerberos.framework/Versions/A/Kerberos
0x97720000 - 0x97837fe9  com.apple.WebKit (7534.56 - 7534.56.5) <1EFE77EE-97B8-3D3C-B2ED-0FA4328E418B> /System/Library/Frameworks/WebKit.framework/Versions/A/WebKit
0x97838000 - 0x98269fff  com.apple.WebCore (7534.56 - 7534.56.5) <568036DA-63F6-33E5-B25D-D66DF1B1C2E7> /System/Library/Frameworks/WebKit.framework/Versions/A/Frameworks/WebCore.framework/Versions/A/WebCore
0x982ce000 - 0x982d4ffd  com.apple.CommerceCore (1.0 - 17) <E59CD307-58E2-35FD-9131-B38978799910> /System/Library/PrivateFrameworks/CommerceKit.framework/Versions/A/Frameworks/CommerceCore.framework/Versions/A/CommerceCore
0x982d5000 - 0x98313fff  libRIP.A.dylib (600.0.0 - compatibility 64.0.0) <19174EC0-DE0F-38EA-B5F3-7580E84677DD> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreGraphics.framework/Versions/A/Resources/libRIP.A.dylib
0x98384000 - 0x98384ffe  libkeymgr.dylib (23.0.0 - compatibility 1.0.0) <7F0E8EE2-9E8F-366F-9988-E2F119DB9A82> /usr/lib/system/libkeymgr.dylib
0x98385000 - 0x983adff7  libxslt.1.dylib (3.24.0 - compatibility 3.0.0) <AB530FB2-8BD1-3328-95E8-CF449F0429CA> /usr/lib/libxslt.1.dylib
0x983ae000 - 0x98409ff3  com.apple.Symbolication (1.3 - 91) <4D12D2EC-5010-3958-A205-9A67E972C76A> /System/Library/PrivateFrameworks/Symbolication.framework/Versions/A/Symbolication
0x9840a000 - 0x9840fff7  libmacho.dylib (800.0.0 - compatibility 1.0.0) <943213F3-CC9B-328E-8A6F-16D85C4274C7> /usr/lib/system/libmacho.dylib
0x98410000 - 0x9842dfff  libresolv.9.dylib (46.1.0 - compatibility 1.0.0) <2870320A-28DA-3B44-9D82-D56E0036F6BB> /usr/lib/libresolv.9.dylib
0x9877e000 - 0x98786ff3  libunwind.dylib (30.0.0 - compatibility 1.0.0) <E8DA8CEC-12D6-3C8D-B2E2-5D567C8F3CB5> /usr/lib/system/libunwind.dylib
0x9879b000 - 0x98803ff7  libc++.1.dylib (28.1.0 - compatibility 1.0.0) <FE3304C5-C000-3DA0-9E53-0E4CA074B73B> /usr/lib/libc++.1.dylib
0x98804000 - 0x98805fff  libsystem_blocks.dylib (53.0.0 - compatibility 1.0.0) <B04592B1-0924-3422-82FF-976B339DF567> /usr/lib/system/libsystem_blocks.dylib
0x9881f000 - 0x9883cff3  com.apple.openscripting (1.3.3 - ???) <33713C0B-B7D5-37AA-87DB-2727FDCC8007> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/OpenScripting.framework/Versions/A/OpenScripting
0x98a3f000 - 0x98a42ff7  libmathCommon.A.dylib (2026.0.0 - compatibility 1.0.0) <69357047-7BE0-3360-A36D-000F55E39336> /usr/lib/system/libmathCommon.A.dylib
0x98a84000 - 0x98ac0ffa  libGLImage.dylib (??? - ???) <504E7865-571E-38B4-A84A-D7B513AC84F5> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLImage.dylib
0x98b7f000 - 0x98b8afff  libkxld.dylib (??? - ???) <D8ED88D0-7153-3514-9927-AF15A12261A5> /usr/lib/system/libkxld.dylib
0x98b8b000 - 0x98ba9ff7  libsystem_kernel.dylib (1699.26.8 - compatibility 1.0.0) <3705DE40-E00F-3E37-ADB0-D4AE5F9950F5> /usr/lib/system/libsystem_kernel.dylib
0x98baa000 - 0x98c20fff  com.apple.Metadata (10.7.0 - 627.32) <650EE880-1488-3DC6-963B-F3D6E043FFDC> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/Metadata.framework/Versions/A/Metadata
0x98c21000 - 0x98c27ffb  com.apple.print.framework.Print (7.4 - 247.3) <CB075EEE-FA1F-345C-A1B5-1AB266FC73A1> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Print.framework/Versions/A/Print
0x98c28000 - 0x98c29ff0  libunc.dylib (24.0.0 - compatibility 1.0.0) <2F4B35B2-706C-3383-AA86-DABA409FAE45> /usr/lib/system/libunc.dylib
0x98c2f000 - 0x98c70ff9  libcurl.4.dylib (7.0.0 - compatibility 7.0.0) <9FD420FB-7984-3A07-8914-BB19E687D38B> /usr/lib/libcurl.4.dylib
0x98c71000 - 0x98cbaff7  libGLU.dylib (??? - ???) <5EE0B644-FAD6-3E3C-A380-9B0CDA0B6432> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLU.dylib
0x98cbb000 - 0x98d42fff  com.apple.print.framework.PrintCore (7.1 - 366.3) <EEC03CAB-7F79-3931-87FE-4DF0B767BF47> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/PrintCore.framework/Versions/A/PrintCore
0x98d43000 - 0x98db7fff  com.apple.CoreSymbolication (2.2 - 73.2) <FA9305CA-FB9B-3646-8C41-FF8DF15AB2C1> /System/Library/PrivateFrameworks/CoreSymbolication.framework/Versions/A/CoreSymbolication
0x98db8000 - 0x98e16fff  com.apple.coreui (1.2.2 - 165.10) <C6B099D6-7F02-3971-99B9-E415308959CF> /System/Library/PrivateFrameworks/CoreUI.framework/Versions/A/CoreUI
0x98e17000 - 0x98e4dff7  com.apple.AE (527.7 - 527.7) <7BAFBF18-3997-3656-9823-FD3B455056A4> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/AE.framework/Versions/A/AE
0x99bb3000 - 0x99bc7fff  com.apple.CFOpenDirectory (10.7 - 146) <58050170-D74E-3670-945D-D8501F67835F> /System/Library/Frameworks/OpenDirectory.framework/Versions/A/Frameworks/CFOpenDirectory.framework/Versions/A/CFOpenDirectory
0x99bc8000 - 0x99c93fff  libsystem_c.dylib (763.13.0 - compatibility 1.0.0) <52421B00-79C8-3727-94DE-62F6820B9C31> /usr/lib/system/libsystem_c.dylib
0x99cc2000 - 0x9a0c4ff6  libLAPACK.dylib (??? - ???) <00BE0221-8564-3F87-9F6B-8A910CF2F141> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLAPACK.dylib
0x9a0c5000 - 0x9a0d3fff  com.apple.opengl (1.7.7 - 1.7.7) <2D362F15-5EA6-37B6-9BCB-58F2C599ACDA> /System/Library/Frameworks/OpenGL.framework/Versions/A/OpenGL
0x9a0d4000 - 0x9a0d5ff4  libremovefile.dylib (21.1.0 - compatibility 1.0.0) <6DE3FDC7-0BE0-3791-B6F5-C15422A8AFB8> /usr/lib/system/libremovefile.dylib
0x9a0d6000 - 0x9a0e4fff  libz.1.dylib (1.2.5 - compatibility 1.0.0) <E73A4025-835C-3F73-9853-B08606E892DB> /usr/lib/libz.1.dylib
0x9a0e5000 - 0x9a0fbffe  libxpc.dylib (77.19.0 - compatibility 1.0.0) <0585AA94-F4FD-32C1-B586-22E7184B781A> /usr/lib/system/libxpc.dylib
0x9a13e000 - 0x9a142fff  com.apple.CommonPanels (1.2.5 - 94) <EA47550D-7DAF-30D9-91DB-1FB594CC8522> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/CommonPanels.framework/Versions/A/CommonPanels
0x9a143000 - 0x9a14effe  libbz2.1.0.dylib (1.0.5 - compatibility 1.0.0) <B63F5D07-93B3-3F02-BFB7-472B4ED3521F> /usr/lib/libbz2.1.0.dylib
0x9a14f000 - 0x9a159ff2  com.apple.audio.SoundManager (3.9.4.1 - 3.9.4.1) <2A089CE8-9760-3F0F-B77D-29A78940EA17> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/CarbonSound.framework/Versions/A/CarbonSound
0x9a1d8000 - 0x9a485ff3  com.apple.JavaScriptCore (7534.56 - 7534.56.6) <94C4DC32-FE6B-3D5C-93B5-75753F38A0C0> /System/Library/Frameworks/JavaScriptCore.framework/Versions/A/JavaScriptCore
0x9a5c0000 - 0x9a5c1fff  libDiagnosticMessagesClient.dylib (??? - ???) <DB3889C2-2FC2-3087-A2A2-4C319455E35C> /usr/lib/libDiagnosticMessagesClient.dylib
0x9a5fe000 - 0x9a641ffd  libcommonCrypto.dylib (55010.0.0 - compatibility 1.0.0) <6B35F203-5D72-335A-A4BC-CC89FEC0E14F> /usr/lib/system/libcommonCrypto.dylib
0x9a642000 - 0x9a649ff7  libsystem_notify.dylib (80.1.0 - compatibility 1.0.0) <47DB9E1B-A7D1-3818-A747-382B2C5D9E1B> /usr/lib/system/libsystem_notify.dylib
0x9a64a000 - 0x9a64dffb  com.apple.help (1.3.2 - 42) <B1E6701C-7473-30B2-AB5A-AFC9A4823694> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Help.framework/Versions/A/Help
0x9a8d8000 - 0x9a93aff3  libstdc++.6.dylib (52.0.0 - compatibility 7.0.0) <266CE9B3-526A-3C41-BA58-7AE66A3B15FD> /usr/lib/libstdc++.6.dylib
0x9a95f000 - 0x9a9cefff  com.apple.Heimdal (2.2 - 2.0) <2E1B8779-36D4-3C62-A67E-0034D77D7707> /System/Library/PrivateFrameworks/Heimdal.framework/Versions/A/Heimdal
0x9af3c000 - 0x9af6ffef  libtidy.A.dylib (??? - ???) <E962D8EC-6B9D-35B7-B586-F07D92302ADD> /usr/lib/libtidy.A.dylib
0x9af70000 - 0x9afd4fff  com.apple.framework.IOKit (2.0 - ???) <88D60E59-430D-35B8-B1E9-F5138301AEF9> /System/Library/Frameworks/IOKit.framework/Versions/A/IOKit
0x9afd5000 - 0x9ba6aff6  com.apple.AppKit (6.7.3 - 1138.47) <D8CD06D7-F18C-39BE-BC68-B343F87F0469> /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit
0x9ba8a000 - 0x9babeff8  libssl.0.9.8.dylib (44.0.0 - compatibility 0.9.8) <567E922C-E64F-321B-9A47-6B18BF481625> /usr/lib/libssl.0.9.8.dylib
0x9babf000 - 0x9bbcefff  com.apple.DesktopServices (1.6.3 - 1.6.3) <18CAAA9E-7065-3FF7-ACFE-CDB60E5426A2> /System/Library/PrivateFrameworks/DesktopServicesPriv.framework/Versions/A/DesktopServicesPriv
0x9bbcf000 - 0x9bc05ff4  com.apple.LDAPFramework (3.2 - 120.2) <39DF72E3-CDAF-33CC-B2DA-67B8891A5CFF> /System/Library/Frameworks/LDAP.framework/Versions/A/LDAP
0x9bd69000 - 0x9bd6aff7  libsystem_sandbox.dylib (??? - ???) <EBC6ED6B-7D94-32A9-A718-BB9EDA1732C9> /usr/lib/system/libsystem_sandbox.dylib
0x9bea6000 - 0x9bee3ff7  libcups.2.dylib (2.9.0 - compatibility 2.0.0) <1C757924-4E54-3522-A885-99795EA10228> /usr/lib/libcups.2.dylib
0x9bee4000 - 0x9bee6ff9  com.apple.securityhi (4.0 - 1) <39157216-5E43-392A-AE3F-716726D8C8BF> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/SecurityHI.framework/Versions/A/SecurityHI
0x9bef2000 - 0x9bfeaff7  libFontParser.dylib (??? - ???) <1A0DA421-62B2-3AA7-9F62-0E01C1887D09> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/Resources/libFontParser.dylib
0x9bff0000 - 0x9c005ff7  com.apple.ImageCapture (7.0.1 - 7.0.1) <1C8933A9-C7C6-36E9-9D8B-0EF08ACA3315> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/ImageCapture.framework/Versions/A/ImageCapture
0x9c00a000 - 0x9c00afff  com.apple.audio.units.AudioUnit (1.7.2 - 1.7.2) <2E71E880-25D1-3210-8D26-21EC47ED810C> /System/Library/Frameworks/AudioUnit.framework/Versions/A/AudioUnit
0x9c053000 - 0x9c068fff  com.apple.speech.synthesis.framework (4.0.74 - 4.0.74) <92AADDB0-BADF-3B00-8941-B8390EDC931B> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/SpeechSynthesis.framework/Versions/A/SpeechSynthesis
0x9c06c000 - 0x9c548ff6  libBLAS.dylib (??? - ???) <134ABFC6-F29E-3DC5-8E57-E13CB6EF7B41> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBLAS.dylib
0x9c549000 - 0x9c5abffb  com.apple.datadetectorscore (3.0 - 179.4) <3A418498-C189-37A1-9B86-F0ECB33AD91C> /System/Library/PrivateFrameworks/DataDetectorsCore.framework/Versions/A/DataDetectorsCore
0x9c684000 - 0x9c68cff3  liblaunch.dylib (392.38.0 - compatibility 1.0.0) <D7F6E875-263A-37B5-B403-53F76710538C> /usr/lib/system/liblaunch.dylib
0x9c68d000 - 0x9c7dffff  com.apple.audio.toolbox.AudioToolbox (1.7.2 - 1.7.2) <E369AC9E-F548-3DF6-B320-9D09E486070E> /System/Library/Frameworks/AudioToolbox.framework/Versions/A/AudioToolbox
0x9c7f2000 - 0x9c802ff7  libCRFSuite.dylib (??? - ???) <94E040D2-2769-359A-A21B-DB85FCB73BDC> /usr/lib/libCRFSuite.dylib
0x9c83a000 - 0x9c83bffd  libCVMSPluginSupport.dylib (??? - ???) <22B85645-AA98-372B-BB55-55DCCF0EC716> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libCVMSPluginSupport.dylib
0x9c83c000 - 0x9cecdfe3  libclh.dylib (4.0.3 - 4.0.3) <8A4B12EC-F8F1-3D5E-945D-56467F8F4476> /System/Library/Extensions/GeForceGLDriver.bundle/Contents/MacOS/libclh.dylib
0x9cece000 - 0x9cf2bffb  com.apple.htmlrendering (76 - 1.1.4) <409EF0CB-2997-369A-9326-BE12436B9EE1> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HTMLRendering.framework/Versions/A/HTMLRendering
0x9cf38000 - 0x9cf38fff  com.apple.Cocoa (6.6 - ???) <5FAFE73E-6AF5-3D09-9191-0BDC8C6875CB> /System/Library/Frameworks/Cocoa.framework/Versions/A/Cocoa

External Modification Summary:
  Calls made by other processes targeting this process:
    task_for_pid: 5
    thread_create: 0
    thread_set_state: 0
  Calls made by this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by all processes on this machine:
    task_for_pid: 10333
    thread_create: 0
    thread_set_state: 0

VM Region Summary:
ReadOnly portion of Libraries: Total=172.1M resident=42.3M(25%) swapped_out_or_unallocated=129.8M(75%)
Writable regions: Total=164.1M written=6372K(4%) resident=84.1M(51%) swapped_out=3532K(2%) unallocated=80.0M(49%)
 
REGION TYPE                      VIRTUAL
===========                      =======
ATS (font support)                 31.8M
ATS (font support) (reserved)         4K        reserved VM address space (unallocated)
CG backing stores                  1652K
CG image                             48K
CG raster data                      180K
CG shared images                   3448K
CoreAnimation                      2992K
CoreGraphics                          8K
CoreImage                             4K
CoreServices                       2684K
IOKit                              43.6M
MALLOC                             54.4M
MALLOC guard page                    32K
Memory tag=240                        4K
Memory tag=242                       12K
Memory tag=243                        4K
Memory tag=249                      156K
OpenCL                                8K
OpenGL GLSL                         988K
OpenGL GLSL (reserved)              128K        reserved VM address space (unallocated)
Stack                              67.0M
VM_ALLOCATE                        16.3M
__CI_BITMAP                          80K
__DATA                             11.5M
__DATA/__OBJC                       192K
__IMAGE                             528K
__IMPORT                              8K
__LINKEDIT                         43.2M
__OBJC                             1724K
__OBJC/__DATA                        40K
__PAGEZERO                            4K
__RC_CAMERAS                        244K
__TEXT                            128.9M
__UNICODE                           544K
mapped file                       131.6M
shared memory                      1216K
shared pmap                        8524K
===========                      =======
TOTAL                             553.2M
TOTAL, minus reserved VM space    553.1M

I hope that helps you fix some of the bugs.

[Karin]

Thanks A_Member!  That's the first serious problem I've seen reported on the latest build.  The send feedback routine didn't work because the miner backend hadn't created a log file yet, which Asteroid erroneously assumes is always the case, so at this point it could be a problem with Asteroid.  I'll attempt a few things for 0.8.1 that should help with your setup.

Asteroid crashes when I do either of the following things:
Choose a bitcoin or litecoin pool, enter any username and password(valid or not), and press accept or cancel.
Press the play button over the hashrate indicator bar.

The "Send Feedback" button on the "Feedback" window doesn't do anything.  (That's why I didn't send feedback through that route.)

I am on a MacBook with a 2 GHz Intel Core 2 Duo Processor, 2 GB 1067 MHz DDR3 memory, NVIDIA GeForce 9400M 256 MB graphics, and I am running Mac OS X Lion 10.7.4 (11E53).

<snip>

[SpaceCadet]

The new version is working on my (well, my son's iMac - the new features are very handy!  Everything seemed to work as advertised, though I didn't have a lot of time to spend with it yet. 

Some more things to consider:
- cgminer works well without much tweaking for sha256, but you have to tweak it a bit to get the best performance with scrypt with ATI/AMD GPUs.  See the scrypt readme for details, but passing the number of shade processors or concurrent threads can make a big improvement.  Of course, each card model has different values.   Luckily, there aren't many options on a mac.  Unfortunately, I haven't investigated the card on my iMac yet so I can't report what my instance would use.  I noticed there's a command line dialog box - does that pass parameters to cgminer?  Not sure what tweaks you could make with an Nvidia GPU.

Some ideas to think about:
-- Add an ability to read a .conf file (might have to be unique to each site) to get the tweaks
-- Add a dialog box/form that has some of the main tweaks exposed that a user could set
-- In a perfect world, it could ID the specific card then set the tweaks for it from a database

Also, advertise that it has stratum support (I know, I should have guessed that since it uses cgminer in the backend).

More as I find it...