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Posts by Iain Inglis

Posts by Iain Inglis

1) Message boards : Number crunching : New region? (Message 70196)
Posted 24 Jan 2024 by Profile Iain Inglis
Post:
Here is the New Zealand 25 km resolution model area currently being processed in batch #1005.

There have been NZ models before, but I didn't manage to get any so couldn't plot the area.

2) Message boards : Number crunching : Batch List (Message 70184)
Posted 22 Jan 2024 by Profile Iain Inglis
Post:
Batches 1001-1007 (current)

Batch Date        App.           Region         Res.    Period      Name (1st)                                      Size   OS
1007  15-Feb-24   WAH2 8.29      EAS            25 km   24 month    wah2_eas25_a000_198512_24_1007_012264856        6400   Windows
1006  12-Feb-24   WAH2 8.29      EAS            25 km   24 month    wah2_eas25_h000_200912_24_1006_012258808        6048   Windows
1005  23-Jan-24   WAH2 8.24      NZ             25 km   25 month    wah2_nz25_n000_198605_25_1005_012254158         4650   Windows
1004  16-Jan-24   WAH2 8.24      EAS            25 km   24 month    wah2_eas25_a000_200912_24_1004_012248110        6048   Windows
1003  16-Jan-24   WAH2 8.24      EAS            25 km   24 month    wah2_eas25_g000_200912_24_1003_012242062        6048   Windows
1002  15-Jan-24   WAH2 8.24      EAS            25 km   24 month    wah2_eas25_n000_200912_24_1002_012236014        6048   Windows
1001  15-Jan-24   WAH2 8.24      EAS            25 km   24 month    wah2_eas25_h000_200912_24_1001_012229966        6048   Windows

Comment
Batch 1007: WAH2 East Asia 25km 1986-2018: WAH2_ri v8.29 East Asia 25km climatology for 1986-2018 (starting May 1986).
Batch 1006: ALL WAH2_ri East Asia 25km: ALL WAH2_ri v8.29 East Asia 25km climatology for 2009-2022 (starting Dec 2009). 
Batch 1005: WAH2 New Zealand 25km Natural 1986-2018: WAH2 New Zealand 25km natural climatology for 1986-2018 (starting May 1986).
Batch 1004: AER WAH2 East Asia 25km: AER WAH2 East Asia 25km climatology for 2009-2022 (starting Dec 2009).
Batch 1003: GHG WAH2 East Asia 25km: GHG WAH2 East Asia 25km climatology for 2009-2022 (starting Dec 2009).
Batch 1002: NAT WAH2 East Asia 25km: NAT WAH2 East Asia 25km climatology for 2009-2022 (starting Dec 2009).
Batch 1001: ALL WAH2 East Asia 25km: ALL WAH2 East Asia 25km climatology for 2009-2022 (starting Dec 2009).
3) Message boards : Number crunching : New work discussion - 2 (Message 70075)
Posted 22 Nov 2023 by Profile Iain Inglis
Post:
[Glenn Carver wrote:] As an aside, in the recent news about Google DeepMind's new AI weather forecast model, they stated they can't yet do ensemble forecasting. That's important because ensemble forecasting is key to understanding how good your 'best' forecast is.


Thanks for mentioning that — the reports seemed very positive but without much context.
4) Message boards : Number crunching : New region? (Message 69936)
Posted 18 Oct 2023 by Profile Iain Inglis
Post:
Here is the East Asia 25 km resolution model area currently being processed in batch #996 compared with the earlier 50 km model area.

There was a recent EAS25 batch (994), which might have been a different size, but I didn't get one so couldn't plot it.

5) Message boards : Number crunching : Batch 996 Weather@Home2 East Asia25 (Message 69906)
Posted 16 Oct 2023 by Profile Iain Inglis
Post:
It's been said elsewhere several times the long deadline of 1yr is a hangover from when CPDN started and they were running long multi-year simulations which ran for months. In practice as Dave says the real deadline for when the scientists start work on the data is ~6-8 weeks. The deadline is going to be shortened for future batches.

Increasing number of connections should help. The server was set to the default value and hadn't been increased for this batch. I really hope we can get all those results through!


There was also another issue in which those long-running CPDN tasks would dominate processing to the exclusion of other projects. The long deadlines allowed those users who wanted to run a variety of projects to have completions on all the projects. Shortening the deadlines may bring that competition back, unless BOINC has got better at sharing the resources.

(Not a problem for users such as myself who only run CPDN except during gaps.)
6) Message boards : Number crunching : Batch 996 Weather@Home2 East Asia25 (Message 69835)
Posted 13 Oct 2023 by Profile Iain Inglis
Post:
Of the retry zip and zip files waiting and unable to upload, are these all trickle files? Or are some finished tasks? How do I tell?
Clearly some of my trickle files are getting through. as I'm earning credits. It would be a shame if your not getting the finished tasks.


The trickle files, which cause credits to be allocated are small files that have been uploading for everyone (I think).

The larger Zip files have the useful data and they are sometimes having problems.
7) Message boards : Number crunching : Batch 996 Weather@Home2 East Asia25 (Message 69831)
Posted 13 Oct 2023 by Profile Iain Inglis
Post:
Limiting the upload speed to 150 kBps (Options | Computing preferences... | Network) has worked for my stuck uploads. Having failed any upload for a week or so and lost one model trying other fixes, they're now all uploading, slowly. I might try to play with the limit to increase it, if possible.

Thanks to those who suggested that approach.

Back in business!
8) Message boards : Number crunching : Batch 996 Weather@Home2 East Asia25 (Message 69806)
Posted 13 Oct 2023 by Profile Iain Inglis
Post:
Computers with only a few tasks running don't seem to have as much of a problem uploading.

Be interesting to hear from a few others on that. It doesn't really make much sense to me if max_file_transfers isn't set any higher than the default. I normally restrict mine to 7 tasks at a time to leave one real core free for non-BOINC activity. Using virtual cores on CPDN I don't get any increase in throughput. I do currently have nine running as I have put Windows into a VM as Glen doesn't trust WINE under BOINC for running these tasks. So I now have 7 under WINE and two in the VM. The maximum concurrent uploads therefore is 4 with both instances of BOINC set to a maximum of 2.

My boredband maxes out at just over 100Kb/second upload speed on a good day with a following wind. When I have very large uploads, I sometimes use the 4G on my phone to get between five and ten times that. As an experiment, could you try limiting upload speed to see if that gets any more through?


I run the first one of any batch on its own to check the speed, so having one model doesn't affect the upload.

I had 18 zips plus a restart waiting, tried everything I could think of, then suspended carefully (wait for checkpoint, wait a bit more etc.), stopped BOINC, rebooted computer, broadband. It made no difference to the upload failures on restart, but when the model was resumed it crashed immediately.

Another model has downloaded and it will be running uninterrupted, with the <rsc_disk_bound> manually edited to see if the model can at least get to the end.
9) Message boards : Number crunching : Batch 996 Weather@Home2 East Asia25 (Message 69700)
Posted 8 Oct 2023 by Profile Iain Inglis
Post:
I've now got ten Zips waiting to upload, three nominally in progress with the farthest at 7.49%. The <rsc_disk_bound> is 2e9 bytes and 24 zips at average ~99 MB plus "_restart" and "_out" zips are going to bust that limit.

One other task downloaded during upload failures and trickles are uploading, so the general comms appears to be working. The model will need to be suspended before completion unless the upload problem is fixed. I normally run tasks without restarts but as the disk bound is approached that will be an option and might fix a local problem (though I can see no other evidence of that). Any other suggestions?
10) Message boards : Number crunching : Batch 996 Weather@Home2 East Asia25 (Message 69680)
Posted 6 Oct 2023 by Profile Iain Inglis
Post:
Are uploads clearing?


Seven of my tasks have produced their first two trickles and the zips have all uploaded, however, one did prove stubborn and was hanging around for several hours requiring a lot of retries. So my guess is things are not totally OK at the server but things should eventually clear.


Thanks, Dave — I’ll have to have a bit of patience …
11) Message boards : Number crunching : Batch 996 Weather@Home2 East Asia25 (Message 69678)
Posted 6 Oct 2023 by Profile Iain Inglis
Post:
Are uploads clearing? I've got four Zips backed off, but it may of course be my problem rather than a general one.

Trickles recording fine.
12) Message boards : Number crunching : New Work Announcements (Message 69670)
Posted 6 Oct 2023 by Profile Iain Inglis
Post:
Batch #996 (6400 models) has been released for East Asia at 25 km resolution: they are 24-month WAH2 Windows models (batch list).
13) Message boards : climateprediction.net Science : Climate change in the News (Message 69615)
Posted 10 Sep 2023 by Profile Iain Inglis
Post:
It also helps to have a lot of European partners in your project.
It's only possible to apply with European partners. Unfortunately, having been out of the system, trust has been lost and it's not obvious European partners will want to risk bringing UK groups on board in case it damages their chances -- this is what happened before the referendum when Brexit was approaching, and who's to say if the UK government will change its mind. We'll see. Anyway, this is off topic, so I'll leave it there.

+1

Likewise. Kicked off project proposals on uncertainty grounds: we were repeatedly told by our long-time EU partners that they wouldn’t choose a company that might need to be got rid of later when there were plenty of companies that didn’t have that risk. Uncertainly matters. Not climate research but the same funding programmes.

Likewise also on applications. It was so awful we had to rotate the people completing the applications year to year, even though we knew from experience why the checks were necessary.

Let’s hope this settles down to something productive.
14) Message boards : climateprediction.net Science : Professor Myles Allen elected as Fellow of Royal Society (Message 68719)
Posted 12 May 2023 by Profile Iain Inglis
Post:
Exceptional scientists elected as Fellows of the Royal Society
15) Message boards : climateprediction.net Science : Climate change in the News (Message 67187)
Posted 1 Jan 2023 by Profile Iain Inglis
Post:
‘I am an optimistic person’: the scientist who studies climate catastrophes
16) Message boards : Number crunching : New Work Announcements (Message 67177)
Posted 31 Dec 2022 by Profile Iain Inglis
Post:
[Dave Jackson wrote:]I think that is all for now but with over 22K tasks currently in the queue and the few inevitable resends it should keep people going for a little while.

Edit: Still more coming, I might have to search out Glen's post about the number of batches in this series.

... back from Christmas travels, so here's an updated batch list, which may help - releases currently up to batch #989.
17) Message boards : Number crunching : Batch List (Message 67176)
Posted 31 Dec 2022 by Profile Iain Inglis
Post:
Batches 976-1000

Batch Date        App.           Region         Res.    Period      Name (1st)                                      Size   OS
1000  03-Dec-23   OpenIFS 43r3                          5 month     oifs_43r3_l255_k000_2016092300_5_1000_12229961  5      Linux
999   03-Dec-23   OpenIFS 43r3                          5 month     oifs_43r3_c95_0000_2016092300_5_999_12229957    4      Linux
998   03-Dec-23   OpenIFS 43r3                          5 month     oifs_43r3_c95_0000_2016092300_5_998_12229953    4      Linux
997   03-Dec-23   OpenIFS 43r3                          5 month     oifs_43r3_c159_k000_2016092300_5_997_12229948   5      Linux
996   05-Oct-23   WAH2 8.24      EAS            25 km   24 month    wah2_eas25_a000_198512_24_996_012223548         6400   Windows
995   11-Jul-23   WAH2 8.24      NZ             25 km   25 month    wah2_nz25_2000_209005_25_995_012220398          3150   Windows
994   23-Jun-23   WAH2 8.24      EAS            25 km   25 month    wah2_eas25_a000_198611_25_994_012215438         4960   Windows
993   24-Feb-23   OpenIFS 43r3                          123 month   oifs_43r3_0000_2019110100_123_993_12213438      2000   Linux
992   20-Feb-23   OpenIFS 43r3                          123 month   oifs_43r3_0000_2019110100_123_992_12213287      151    Linux
991   13-Feb-23   OpenIFS 43r3                          15 month    oifs_43r3_bl_a000_2016092300_15_991_12206787    6500   Linux
990   09-Feb-23   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_2021050100_123_990_12206644   143    Linux
989   25-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_2020050100_123_989_12205644   1000   Linux
988   25-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_2019050100_123_988_12204644   1000   Linux
987   24-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_2018050100_123_987_12203644   1000   Linux
986   24-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_2017050100_123_986_12202644   1000   Linux
985   24-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_2016050100_123_985_12201644   1000   Linux
984   24-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_2015050100_123_984_12200644   1000   Linux
983   24-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_2014050100_123_983_12199644   1000   Linux
982   24-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_2013050100_123_982_12198644   1000   Linux
981   24-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_2012050100_123_981_12197644   1000   Linux
980   24-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_2011050100_123_980_12196644   1000   Linux
979   24-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_2010050100_123_979_12195644   1000   Linux
978   23-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_2009050100_123_978_12194644   1000   Linux
977   23-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_2008050100_123_977_12193644   1000   Linux
976   23-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_2007050100_123_976_12192644   1000   Linux

Comment
Batch 1000: OIFS 43r3 TC Karl T255: OpenIFS 43r3. TC Karl, high resolution test.
Batch 999: oifs 43r3 tco95 l91 2016: OpenIFS 43R3 TC Karl.
Batch 998: oifs 43r3 tco95 l91 2016: OpenIFS 43R3 TC Karl.
Batch 997: OIFS 43r3 TC Karl Tco159: OpenIFS 43r3. TC Karl, high resolution test.
Batch 996: WAH2 East Asia 25km 1986-2018: WAH2 East Asia 25km climatology for 1986-2018 (starting May 1986).
Batch 995: WAH2 NZ 25km 2K, 11 July 2023, HAPPI 2K WAH2 NZ 25km climatology for 2090-2100.
Batch 994: WAH2 East Asia 25km 1986-2018: WAH2 East Asia 25km climatology for 1986-2018 (starting May 1986).
Batch 993: OpenIFS seasonal winter 2019 NDJF: Experiment with the OpenIFS@Home 43r3 for the winter 2019/2020 to identify the importance of the strong Indian Ocean Dipole on the Northern Hemisphere extreatropics. The ensemble size is used to get an estimate of the variability of the teleconnection.
Batch 992: Batch 992: Tim Hempels failed: Experiment with the OpenIFS@Home 43r3 for the winter 2019/2020 to identify the importance of the strong Indian Ocean Dipole on the Northern Hemisphere: n/a.
Batch 991: Baroclinic lifecycle - idealised background state comparison: Baroclinic lifecycle - idealised background state comparison.
Batch 990: oifs 43r3 t159 l60 psurf 2021: OpenIFS Perturbed Surface ensemble.
Batch 989: oifs 43r3 t159 l60 psurf 2020: OpenIFS Perturbed Surface ensemble.
Batch 988: oifs 43r3 t159 l60 psurf 2019: OpenIFS Perturbed Surface ensemble.
Batch 987: oifs 43r3 t159 l60 psurf 2018: OpenIFS Perturbed Surface ensemble.
Batch 986: oifs 43r3 t159 l60 psurf 2017: OpenIFS Perturbed Surface ensemble.
Batch 985: oifs 43r3 t159 l60 psurf 2016: OpenIFS Perturbed Surface ensemble.
Batch 984: oifs 43r3 t159 l60 psurf 2015: OpenIFS Perturbed Surface ensemble.
Batch 983: oifs 43r3 t159 l60 psurf 2014: OpenIFS Perturbed Surface ensemble.
Batch 982: oifs 43r3 t159 l60 psurf 2013: OpenIFS Perturbed Surface ensemble.
Batch 981: oifs 43r3 t159 l60 psurf 2012: OpenIFS Perturbed Surface ensemble.
Batch 980: oifs 43r3 t159 l60 psurf 2011: OpenIFS Perturbed Surface ensemble.
Batch 979: oifs 43r3 t159 l60 psurf 2010: OpenIFS Perturbed Surface ensemble.
Batch 978: oifs 43r3 t159 l60 psurf 2009: OpenIFS Perturbed Surface ensemble.
Batch 977: oifs 43r3 t159 l60 psurf 2008: OpenIFS Perturbed Surface ensemble.
Batch 976: oifs 43r3 t159 l60 psurf 2007: OpenIFS Perturbed Surface ensemble.
18) Message boards : Number crunching : Batch List (Message 67170)
Posted 31 Dec 2022 by Profile Iain Inglis
Post:
Batches 951-975

Batch Date        App.           Region         Res.    Period      Name (1st)                                      Size   OS
975   23-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_2006050100_123_975_12191644   1000   Linux
974   23-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_2005050100_123_974_12190644   1000   Linux
973   23-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_2004050100_123_973_12189644   1000   Linux
972   23-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_2003050100_123_972_12188644   1000   Linux
971   23-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_2002050100_123_971_12187644   1000   Linux
970   22-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_2001050100_123_970_12186644   1000   Linux
969   22-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_2000050100_123_969_12185644   1000   Linux
968   22-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_1999050100_123_968_12184644   1000   Linux
967   22-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_1998050100_123_967_12183644   1000   Linux
966   22-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_1997050100_123_966_12182644   1000   Linux
965   22-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_1996050100_123_965_12181644   1000   Linux
964   22-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_1995050100_123_964_12180644   1000   Linux
963   22-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_1994050100_123_963_12179644   1000   Linux
962   22-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_1993050100_123_962_12178644   1000   Linux
961   21-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_1992050100_123_961_12177644   1000   Linux
960   21-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_1991050100_123_960_12176644   1000   Linux
959   21-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_1990050100_123_959_12175644   1000   Linux
958   21-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_1989050100_123_958_12174644   1000   Linux
957   21-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_1988050100_123_957_12173644   1000   Linux
956   21-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_1987050100_123_956_12172644   1000   Linux
955   21-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_1986050100_123_955_12171644   1000   Linux
954   21-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_1985050100_123_954_12170644   1000   Linux
953   21-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_1984050100_123_953_12169644   1000   Linux
952   20-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_1983050100_123_952_12168644   1000   Linux
951   20-Dec-22   OpenIFS 43r3                          123 month   oifs_43r3_ps_0000_1982050100_123_951_12167644   1000   Linux

Comment
Batch 975: oifs 43r3 t159 l60 psurf 2006: OpenIFS Perturbed Surface ensemble.
Batch 974: oifs 43r3 t159 l60 psurf 2005: OpenIFS Perturbed Surface ensemble.
Batch 973: oifs 43r3 t159 l60 psurf 2004: OpenIFS Perturbed Surface ensemble.
Batch 972: oifs 43r3 t159 l60 psurf 2003: OpenIFS Perturbed Surface ensemble.
Batch 971: oifs 43r3 t159 l60 psurf 2002: OpenIFS Perturbed Surface ensemble.
Batch 970: oifs 43r3 t159 l60 psurf 2001: OpenIFS Perturbed Surface ensemble.
Batch 969: oifs 43r3 t159 l60 psurf 2000: OpenIFS Perturbed Surface ensemble.
Batch 968: oifs 43r3 t159 l60 psurf 1999: OpenIFS Perturbed Surface ensemble.
Batch 967: oifs 43r3 t159 l60 psurf 1998: OpenIFS Perturbed Surface ensemble.
Batch 966: oifs 43r3 t159 l60 psurf 1997: OpenIFS Perturbed Surface ensemble.
Batch 965: oifs 43r3 t159 l60 psurf 1996: OpenIFS Perturbed Surface ensemble.
Batch 964: oifs 43r3 t159 l60 psurf 1995: OpenIFS Perturbed Surface ensemble.
Batch 963: oifs 43r3 t159 l60 psurf 1994: OpenIFS Perturbed Surface ensemble.
Batch 962: oifs 43r3 t159 l60 psurf 1993: OpenIFS Perturbed Surface ensemble.
Batch 961: oifs 43r3 t159 l60 psurf 1992: OpenIFS Perturbed Surface ensemble.
Batch 960: oifs 43r3 t159 l60 psurf 1991: OpenIFS Perturbed Surface ensemble.
Batch 959: oifs 43r3 t159 l60 psurf 1990: OpenIFS Perturbed Surface ensemble.
Batch 958: oifs 43r3 t159 l60 psurf 1989: OpenIFS Perturbed Surface ensemble.
Batch 957: oifs 43r3 t159 l60 psurf 1988: OpenIFS Perturbed Surface ensemble.
Batch 956: oifs 43r3 t159 l60 psurf 1987: OpenIFS Perturbed Surface ensemble.
Batch 955: oifs 43r3 t159 l60 psurf 1986: OpenIFS Perturbed Surface ensemble.
Batch 954: oifs 43r3 t159 l60 psurf 1985: OpenIFS Perturbed Surface ensemble.
Batch 953: oifs 43r3 t159 l60 psurf 1984: OpenIFS Perturbed Surface ensemble.
Batch 952: oifs 43r3 t159 l60 psurf 1983: OpenIFS Perturbed Surface ensemble.
Batch 951: oifs 43r3 t159 l60 psurf 1982: OpenIFS Perturbed Surface ensemble.
19) Message boards : Number crunching : New Work Announcements (Message 66578)
Posted 25 Nov 2022 by Profile Iain Inglis
Post:
Batch #942 of mixed length HADCM3S for Mac has been added but although some are running the batch appears to have been almost immediately pulled (batch list).

[Edit: Plus two OpenIFS test batches for Linux, #943 and #944, 2 units and 5 units.]
20) Message boards : Number crunching : New work Discussion (Message 65802)
Posted 11 Aug 2022 by Profile Iain Inglis
Post:
Your axe to grind with Apple is well noted, and is increasingly irrelevant here. Are you going to rewrite the 32-bit MacOS stuff for 64-bit and ARM? No? Then quit complaining about how a company you don't buy anything from is doing things you don't like. Bitching about it here isn't going to change a single thing about either the tasks to run, or Apple's practices.
Might aswell point out to everyone using Apple products that they shouldn't be. Selling things which are obsolete after a short time is unethical, criminal, and environmentally unfriendly.

I run Windows and only Windows, because it's the easiest to use, the most commonly supported for programs, and doesn't ditch its users. I see no need to use anything else. Windows 11 on 7 PCs here.

This thread is indeed intended to be for the discussion of new work that appears on CPDN rather than platform comparisons, but in contradiction of that I would say in Apple’s defence that because they supply both hardware and software they also offer trade-ins, which Microsoft cannot in general — when there are no more 32-bit Mac models then I’ll trade in my ancient Mac mini, if they’ll still take it: I cannot do that with any of my PCs. On the other hand, I do have some important applications whose functionality erodes with each Windows version change. So I rather fancy the Microsoft/Apple comparison could just express a bias based on individual use.

I develop software for Windows, so I have a Windows machine; I have old software that won’t run under current Windows so I have an old Windows machine; I have some applications that are better on Mac so I have a Mac; until the power supply blew once too often, I had a Linux machine for yet more stuff. It’s horses for courses and I see no reason to suppose that we all have or should have exactly the same horse.


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