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Can the Raspberry Pi 4 better distribute Python scripts to all four cores?

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3

This relates to previous questions regarding the GIL (Global Interpreter Lock) for Python on the Raspberry Pi. My question has to do with the new processor on the Pi 4 - does it still have the same restrictions as the Pi 3, where it cannot natively split a Python script into multiple cores?

This may be a fundamental misunderstanding on my part of the purpose of the GIL, but I was hoping maybe the Pi 4's new processor did not have this same restriction.

The Pi 4's new processor (Broadcom BCM2711) has four Arm Cortex A72 cores, whereas the Pi 3 had four Cortex A53 cores. They link to their preliminary datasheet here, but it doesn't seem to have much information on it.

Aside: There doesn't seem to be a Pi-4 tag, could someone please create it?

python hardware cpu process pi-4

share|improve this question

edited 8 hours ago

Ghanima♦

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asked 9 hours ago

ConcernedHobbitConcernedHobbit

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add a comment | 

3

This relates to previous questions regarding the GIL (Global Interpreter Lock) for Python on the Raspberry Pi. My question has to do with the new processor on the Pi 4 - does it still have the same restrictions as the Pi 3, where it cannot natively split a Python script into multiple cores?

This may be a fundamental misunderstanding on my part of the purpose of the GIL, but I was hoping maybe the Pi 4's new processor did not have this same restriction.

The Pi 4's new processor (Broadcom BCM2711) has four Arm Cortex A72 cores, whereas the Pi 3 had four Cortex A53 cores. They link to their preliminary datasheet here, but it doesn't seem to have much information on it.

Aside: There doesn't seem to be a Pi-4 tag, could someone please create it?

python hardware cpu process pi-4

share|improve this question

edited 8 hours ago

Ghanima♦

13.1k1111 gold badges4141 silver badges8585 bronze badges

asked 9 hours ago

ConcernedHobbitConcernedHobbit

2833 bronze badges

add a comment | 

This relates to previous questions regarding the GIL (Global Interpreter Lock) for Python on the Raspberry Pi. My question has to do with the new processor on the Pi 4 - does it still have the same restrictions as the Pi 3, where it cannot natively split a Python script into multiple cores?

This may be a fundamental misunderstanding on my part of the purpose of the GIL, but I was hoping maybe the Pi 4's new processor did not have this same restriction.

The Pi 4's new processor (Broadcom BCM2711) has four Arm Cortex A72 cores, whereas the Pi 3 had four Cortex A53 cores. They link to their preliminary datasheet here, but it doesn't seem to have much information on it.

Aside: There doesn't seem to be a Pi-4 tag, could someone please create it?

python hardware cpu process pi-4

share|improve this question

edited 8 hours ago

Ghanima♦

13.1k1111 gold badges4141 silver badges8585 bronze badges

asked 9 hours ago

ConcernedHobbitConcernedHobbit

2833 bronze badges

share|improve this question

edited 8 hours ago

Ghanima♦

13.1k1111 gold badges4141 silver badges8585 bronze badges

asked 9 hours ago

ConcernedHobbitConcernedHobbit

2833 bronze badges

share|improve this question

edited 8 hours ago

Ghanima♦

13.1k1111 gold badges4141 silver badges8585 bronze badges

asked 9 hours ago

ConcernedHobbitConcernedHobbit

2833 bronze badges

edited 8 hours ago

Ghanima♦

13.1k1111 gold badges4141 silver badges8585 bronze badges

edited 8 hours ago

Ghanima♦

13.1k1111 gold badges4141 silver badges8585 bronze badges

asked 9 hours ago

ConcernedHobbitConcernedHobbit

2833 bronze badges

asked 9 hours ago

ConcernedHobbitConcernedHobbit

2833 bronze badges

1 Answer
1

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5

GIL is a design specification of the Python language, rather than a limitation of the Raspberry Pi [1] (multiprocessing is possible in Python, often with only a few lines of code [2], but multithreading is generally not). The new processor will have no effect on the limitations associated with GIL.

share|improve this answer

edited 6 hours ago

answered 9 hours ago

KPMKPM

5666 bronze badges

New contributor

KPM is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  That second link is especially helpful. Thanks for the help!
  
  – ConcernedHobbit
  9 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I also found this article to be really helpful in understanding how to use multiprocessing.
  
  – ConcernedHobbit
  9 hours ago
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  @ConcernedHobbit If the answer help you very much then you should accept it with a tick on the tick on the left side.
  
  – Ingo
  6 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @Ingo I doubt there will be another answer that better answers my question, but I was going to give the standard 24 hours before accepting the answer. I will make sure to though!
  
  – ConcernedHobbit
  3 hours ago
  

  
  
  
  

add a comment | 

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5

GIL is a design specification of the Python language, rather than a limitation of the Raspberry Pi [1] (multiprocessing is possible in Python, often with only a few lines of code [2], but multithreading is generally not). The new processor will have no effect on the limitations associated with GIL.

share|improve this answer

edited 6 hours ago

answered 9 hours ago

KPMKPM

5666 bronze badges

New contributor

KPM is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  That second link is especially helpful. Thanks for the help!
  
  – ConcernedHobbit
  9 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I also found this article to be really helpful in understanding how to use multiprocessing.
  
  – ConcernedHobbit
  9 hours ago
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  @ConcernedHobbit If the answer help you very much then you should accept it with a tick on the tick on the left side.
  
  – Ingo
  6 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @Ingo I doubt there will be another answer that better answers my question, but I was going to give the standard 24 hours before accepting the answer. I will make sure to though!
  
  – ConcernedHobbit
  3 hours ago
  

  
  
  
  

add a comment | 

5

GIL is a design specification of the Python language, rather than a limitation of the Raspberry Pi [1] (multiprocessing is possible in Python, often with only a few lines of code [2], but multithreading is generally not). The new processor will have no effect on the limitations associated with GIL.

share|improve this answer

edited 6 hours ago

answered 9 hours ago

KPMKPM

5666 bronze badges

New contributor

KPM is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  That second link is especially helpful. Thanks for the help!
  
  – ConcernedHobbit
  9 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I also found this article to be really helpful in understanding how to use multiprocessing.
  
  – ConcernedHobbit
  9 hours ago
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  @ConcernedHobbit If the answer help you very much then you should accept it with a tick on the tick on the left side.
  
  – Ingo
  6 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @Ingo I doubt there will be another answer that better answers my question, but I was going to give the standard 24 hours before accepting the answer. I will make sure to though!
  
  – ConcernedHobbit
  3 hours ago
  

  
  
  
  

add a comment | 

GIL is a design specification of the Python language, rather than a limitation of the Raspberry Pi [1] (multiprocessing is possible in Python, often with only a few lines of code [2], but multithreading is generally not). The new processor will have no effect on the limitations associated with GIL.

share|improve this answer

edited 6 hours ago

answered 9 hours ago

KPMKPM

5666 bronze badges

New contributor

KPM is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this answer

edited 6 hours ago

answered 9 hours ago

KPMKPM

5666 bronze badges

New contributor

KPM is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

answered 9 hours ago

KPMKPM

5666 bronze badges

New contributor

KPM is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

answered 9 hours ago

KPMKPM

5666 bronze badges