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Re: A terminal emulator widget for U++ [message #62033 is a reply to message #62031]

Sat, 04 July 2026 22:40

Oblivion
Messages: 1285
Registered: August 2007

Senior Contributor

Hi,

I just wrapped up the SIMD optimizations for the terminal parser and wanted to share the results.

- Pure ASCII Text:    Hit ~50 GB/s (roughly 73x faster) on Ryzen 5600g.
- Everyday Shell Use: Real-world mixed workloads are about 35-40% faster across the board.
- Large Payloads:     Big data dumps (like 64MB DCS streams) are pushing nearly 3 GB/s.

How it works (In case you are wondering):

The trick was using a two-stage SIMD scanner: A 64-byte fast-forward loop to chew through plain text, dropping into a 16-byte loop to pinpoint control characters without stalling the CPU.
TerminalCtrl also started batching up the chars (unicode/ascii) to cut down on allocation overhead.
The best part is that it passed 100% of the fuzzing and edge-case tests with zero bugs, so it's a completely safe drop-in replacement for the old scalar code.
The parsing side of things is looking pretty solid now!

Best regards,
Oblivion

Github page: https://github.com/ismail-yilmaz
Bobcat the terminal emulator: https://github.com/ismail-yilmaz/Bobcat
TerminalCtrl package https://github.com/ismail-yilmaz/Terminal

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[Message index]

		A terminal emulator widget for U++ By: Oblivion on Sat, 23 March 2019 22:31
		Re: A terminal emulator widget for U++ By: koldo on Sun, 24 March 2019 16:15
		Re: A terminal emulator widget for U++ By: Oblivion on Tue, 26 March 2019 10:02
		Re: A terminal emulator widget for U++ By: Oblivion on Tue, 26 March 2019 13:11
		Re: A terminal emulator widget for U++ By: koldo on Tue, 26 March 2019 13:21
		Re: A terminal emulator widget for U++ By: Novo on Wed, 27 March 2019 23:14
		Re: A terminal emulator widget for U++ By: Oblivion on Thu, 28 March 2019 08:01
		Re: A terminal emulator widget for U++ By: Novo on Thu, 28 March 2019 16:57
		Re: A terminal emulator widget for U++ By: Oblivion on Thu, 28 March 2019 19:21
		Re: A terminal emulator widget for U++ By: Oblivion on Mon, 08 April 2019 11:45
		Re: A terminal emulator widget for U++ By: Xemuth on Mon, 13 May 2019 13:47
		Re: A terminal emulator widget for U++ By: Oblivion on Tue, 14 May 2019 09:57
		Re: A terminal emulator widget for U++ By: Oblivion on Sat, 08 June 2019 16:48
		Re: A terminal emulator widget for U++ By: Oblivion on Sat, 13 July 2019 17:35
		Re: A terminal emulator widget for U++ By: Xemuth on Tue, 16 July 2019 09:34
		Re: A terminal emulator widget for U++ By: Oblivion on Sat, 20 July 2019 15:33
		Re: A terminal emulator widget for U++ By: Oblivion on Sun, 21 July 2019 21:15
		Re: A terminal emulator widget for U++ By: Oblivion on Mon, 22 July 2019 15:56
		Re: A terminal emulator widget for U++ By: Oblivion on Wed, 24 July 2019 13:24
		Re: A terminal emulator widget for U++ By: koldo on Fri, 26 July 2019 08:18
		Re: A terminal emulator widget for U++ By: Oblivion on Sat, 27 July 2019 11:30
		Re: A terminal emulator widget for U++ By: Oblivion on Mon, 29 July 2019 23:23
		Re: A terminal emulator widget for U++ By: Oblivion on Fri, 02 August 2019 13:54
		Re: A terminal emulator widget for U++ By: Oblivion on Wed, 07 August 2019 21:24
		Re: A terminal emulator widget for U++ By: Oblivion on Mon, 12 August 2019 11:39
		Re: A terminal emulator widget for U++ By: Oblivion on Fri, 16 August 2019 14:29
		Re: A terminal emulator widget for U++ By: Oblivion on Sun, 22 September 2019 12:01
		Re: A terminal emulator widget for U++ By: Oblivion on Sat, 28 September 2019 22:00
		Re: A terminal emulator widget for U++ By: Oblivion on Sun, 03 November 2019 15:03
		Re: A terminal emulator widget for U++ By: Oblivion on Sun, 10 November 2019 21:49
		Re: A terminal emulator widget for U++ By: Oblivion on Tue, 12 November 2019 16:36
		Re: A terminal emulator widget for U++ By: Oblivion on Tue, 12 November 2019 20:08
		Re: A terminal emulator widget for U++ By: Oblivion on Wed, 25 March 2020 14:20
		Re: A terminal emulator widget for U++ By: deep on Wed, 25 March 2020 19:12
		Re: A terminal emulator widget for U++ By: Oblivion on Thu, 26 March 2020 16:54
		Re: A terminal emulator widget for U++ By: Oblivion on Fri, 10 April 2020 02:17
		Re: A terminal emulator widget for U++ By: Oblivion on Sat, 11 April 2020 00:30
		Re: A terminal emulator widget for U++ By: Oblivion on Fri, 17 April 2020 22:30
		Re: A terminal emulator widget for U++ By: Oblivion on Tue, 21 April 2020 18:35
		Re: A terminal emulator widget for U++ By: Oblivion on Wed, 22 April 2020 18:51
		Re: A terminal emulator widget for U++ By: Oblivion on Sat, 25 April 2020 00:36
		Re: A terminal emulator widget for U++ By: Oblivion on Fri, 15 May 2020 18:01
		Re: A terminal emulator widget for U++ By: Oblivion on Sun, 17 May 2020 22:20
		Re: A terminal emulator widget for U++ By: Oblivion on Fri, 22 May 2020 16:08
		Re: A terminal emulator widget for U++ By: slashupp on Thu, 28 May 2020 08:30
		Re: A terminal emulator widget for U++ By: Oblivion on Thu, 28 May 2020 11:36
		Re: A terminal emulator widget for U++ By: Oblivion on Fri, 29 May 2020 12:40
		Re: A terminal emulator widget for U++ By: Oblivion on Sat, 06 June 2020 13:57
		Re: A terminal emulator widget for U++ By: Oblivion on Tue, 09 June 2020 23:48
		Re: A terminal emulator widget for U++ By: Zbych on Thu, 11 June 2020 00:13
		Re: A terminal emulator widget for U++ By: Oblivion on Thu, 11 June 2020 11:08
		Re: A terminal emulator widget for U++ By: Zbych on Sun, 21 June 2020 22:16
		Re: A terminal emulator widget for U++ By: Oblivion on Sun, 21 June 2020 22:36
		Re: A terminal emulator widget for U++ By: Zbych on Sun, 21 June 2020 22:47
		Re: A terminal emulator widget for U++ By: Oblivion on Sun, 21 June 2020 22:54
		Re: A terminal emulator widget for U++ By: Oblivion on Thu, 25 June 2020 08:36
		Re: A terminal emulator widget for U++ By: Zbych on Thu, 25 June 2020 20:40
		Re: A terminal emulator widget for U++ By: Oblivion on Sun, 28 June 2020 11:57
		Re: A terminal emulator widget for U++ By: Oblivion on Thu, 18 June 2020 00:36
		Re: A terminal emulator widget for U++ By: Oblivion on Sun, 21 June 2020 19:35
		Re: A terminal emulator widget for U++ By: Oblivion on Sun, 05 July 2020 17:40
		Re: A terminal emulator widget for U++ By: Oblivion on Tue, 14 July 2020 14:44
		Re: A terminal emulator widget for U++ By: Oblivion on Sat, 01 August 2020 20:48
		Re: A terminal emulator widget for U++ By: Oblivion on Fri, 21 August 2020 13:29
		Re: A terminal emulator widget for U++ By: Oblivion on Sat, 05 September 2020 16:45
		Re: A terminal emulator widget for U++ By: Oblivion on Thu, 01 October 2020 18:11
		Re: A terminal emulator widget for U++ By: Oblivion on Tue, 13 October 2020 12:41
		Re: A terminal emulator widget for U++ By: Klugier on Tue, 13 October 2020 20:41
		Re: A terminal emulator widget for U++ By: hongnod on Thu, 03 December 2020 15:05
		Re: A terminal emulator widget for U++ By: Oblivion on Thu, 03 December 2020 16:25
		Re: A terminal emulator widget for U++ By: hongnod on Fri, 04 December 2020 06:58
		Re: A terminal emulator widget for U++ By: Oblivion on Sat, 05 December 2020 16:21
		Re: A terminal emulator widget for U++ By: Oblivion on Wed, 09 December 2020 00:54
		Re: A terminal emulator widget for U++ By: Oblivion on Sat, 23 January 2021 01:25
		Re: A terminal emulator widget for U++ By: Oblivion on Mon, 01 February 2021 21:18
		Re: A terminal emulator widget for U++ By: Oblivion on Wed, 03 February 2021 17:12
		Re: A terminal emulator widget for U++ By: Oblivion on Fri, 12 February 2021 17:42
		Re: A terminal emulator widget for U++ By: Klugier on Fri, 12 February 2021 21:58
		Re: A terminal emulator widget for U++ By: Oblivion on Fri, 12 February 2021 22:26
		Re: A terminal emulator widget for U++ By: Klugier on Fri, 12 February 2021 23:00
		Re: A terminal emulator widget for U++ By: Oblivion on Fri, 12 February 2021 23:14
		Re: A terminal emulator widget for U++ By: Oblivion on Tue, 23 February 2021 22:57
		Re: A terminal emulator widget for U++ By: Oblivion on Sat, 27 February 2021 22:07
		Re: A terminal emulator widget for U++ By: Oblivion on Mon, 01 March 2021 23:49
		Re: A terminal emulator widget for U++ By: Oblivion on Wed, 03 March 2021 20:45
		Re: A terminal emulator widget for U++ By: Oblivion on Sun, 07 March 2021 14:42
		Re: A terminal emulator widget for U++ By: Oblivion on Sat, 01 May 2021 14:17
		Re: A terminal emulator widget for U++ By: Oblivion on Tue, 25 May 2021 13:00
		Re: A terminal emulator widget for U++ By: Oblivion on Thu, 27 May 2021 20:39
		Re: A terminal emulator widget for U++ By: Oblivion on Sat, 29 May 2021 18:08
		Re: A terminal emulator widget for U++ By: Novo on Tue, 15 June 2021 16:41
		Re: A terminal emulator widget for U++ By: Klugier on Fri, 26 November 2021 23:19
		Re: A terminal emulator widget for U++ By: Oblivion on Sat, 27 November 2021 07:51
		Re: A terminal emulator widget for U++ By: Oblivion on Sat, 27 November 2021 10:47
		Re: A terminal emulator widget for U++ By: slashupp on Tue, 21 December 2021 07:39
		Re: A terminal emulator widget for U++ By: Oblivion on Tue, 21 December 2021 09:40
		Re: A terminal emulator widget for U++ By: Oblivion on Sat, 12 February 2022 19:16
		Re: A terminal emulator widget for U++ By: jjacksonRIAB on Fri, 20 May 2022 11:48
		Re: A terminal emulator widget for U++ By: Oblivion on Fri, 20 May 2022 23:24
		Re: A terminal emulator widget for U++ By: jjacksonRIAB on Fri, 20 May 2022 23:33
		Re: A terminal emulator widget for U++ By: Oblivion on Sat, 21 May 2022 00:00
		Re: A terminal emulator widget for U++ By: jjacksonRIAB on Sat, 21 May 2022 06:23
		Re: A terminal emulator widget for U++ By: jjacksonRIAB on Fri, 20 May 2022 13:53
		Compile problem on WIN10 By: peterh on Tue, 13 September 2022 15:15
		Re: Compile problem on WIN10 By: Oblivion on Tue, 13 September 2022 21:39
		Re: Compile problem on WIN10 By: peterh on Wed, 14 September 2022 03:48
		Re: Compile problem on WIN10 By: Oblivion on Thu, 15 September 2022 00:31
		Re: Compile problem on WIN10 By: peterh on Thu, 15 September 2022 06:54
		Re: Compile problem on WIN10 By: Oblivion on Thu, 15 September 2022 07:14
		Re: A terminal emulator widget for U++ By: Oblivion on Thu, 15 September 2022 07:25
		Re: A terminal emulator widget for U++ By: peterh on Thu, 15 September 2022 07:58
		Re: A terminal emulator widget for U++ By: peterh on Thu, 15 September 2022 09:03
		Re: A terminal emulator widget for U++ By: Oblivion on Thu, 15 September 2022 19:09
		Re: A terminal emulator widget for U++ By: peterh on Fri, 16 September 2022 06:10
		Re: A terminal emulator widget for U++ By: peterh on Fri, 16 September 2022 07:41
		Re: A terminal emulator widget for U++ By: Oblivion on Sat, 17 September 2022 18:40
		Re: A terminal emulator widget for U++ By: peterh on Sat, 17 September 2022 20:58
		Re: A terminal emulator widget for U++ By: Oblivion on Sun, 20 November 2022 21:11
		Re: A terminal emulator widget for U++ By: Oblivion on Sat, 31 December 2022 11:19
		Re: A terminal emulator widget for U++ By: Oblivion on Sat, 20 May 2023 17:15
		Re: A terminal emulator widget for U++ By: Oblivion on Sun, 17 December 2023 15:04
		Re: A terminal emulator widget for U++ By: Oblivion on Fri, 22 December 2023 00:23
		Re: A terminal emulator widget for U++ By: Oblivion on Sat, 06 January 2024 21:45
		Re: A terminal emulator widget for U++ By: Oblivion on Sat, 13 April 2024 10:42
		Re: A terminal emulator widget for U++ By: Oblivion on Sat, 11 May 2024 19:00
		Re: A terminal emulator widget for U++ By: Oblivion on Thu, 15 August 2024 21:31
		Re: A terminal emulator widget for U++ By: koldo on Fri, 16 August 2024 07:38
		Re: A terminal emulator widget for U++ By: Oblivion on Mon, 30 September 2024 23:35
		Re: A terminal emulator widget for U++ By: Oblivion on Sun, 13 October 2024 00:18
		Re: A terminal emulator widget for U++ By: Oblivion on Sun, 08 December 2024 10:23
		Re: A terminal emulator widget for U++ By: Lance on Sat, 14 December 2024 17:12
		Re: A terminal emulator widget for U++ By: koldo on Sat, 14 December 2024 20:50
		Re: A terminal emulator widget for U++ By: Oblivion on Tue, 01 April 2025 09:29
		Re: A terminal emulator widget for U++ By: Oblivion on Sun, 13 April 2025 14:08
		Re: A terminal emulator widget for U++ By: Oblivion on Sun, 17 August 2025 15:48
		Re: A terminal emulator widget for U++ By: Oblivion on Thu, 19 March 2026 11:52
		Re: A terminal emulator widget for U++ By: Oblivion on Sun, 12 April 2026 12:07
		Re: A terminal emulator widget for U++ By: Oblivion on Wed, 01 July 2026 06:39
		Re: A terminal emulator widget for U++ By: Oblivion on Sat, 04 July 2026 22:40
		Re: A terminal emulator widget for U++ By: Oblivion on Mon, 13 July 2026 09:41
		Re: A terminal emulator widget for U++ By: Oblivion on Wed, 15 July 2026 12:43
		Re: A terminal emulator widget for U++ By: Oblivion on Fri, 09 October 2026 09:52

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