Thanks to everyone for coming! For folks that couldn't make it, the recording is available here https://drive.google.com/file/d/1Fkl3ECE-EnZ_Y9qNgiRO_EyJclXNIA3H/view?usp=s... . Our next meeting is tentatively scheduled for *Monday the 16th of August, 6pm UK time/10am San Francisco time. *As always, I'll send an email closer to the time to confirm. A quick summary of what we discussed is below. Notes of previous meetings are available here https://docs.google.com/document/d/1oaG0V2ZE5BRDjd9N-Tr1N0IKGwZQcraIlZ0N8ayq... . *Update on PEP 646* (Matthew Rahtz) - Matthew is still working on implementing grammar changes, as requested by the steering council *Feedback from NumPy Community Meeting* (Pradeep Kumar Srinivasan) (slides https://drive.google.com/file/d/1z4reVB5ph-xi3xWVslLELuW-aM0QwID9/view?usp=s... ) - Key points of feedback: a) backwards compatibility, b) viability of overloads approach - One particular cause of large numbers of overloads: default parameters (used extensively in NumPy API) - Proposal: type variables with default parameters in stub files - Also: https://data-apis.org; we're looking for volunteers to dogfood NumPy stubs! *Shape Types, Broadcasting and Coverage* (Brandon Wu) (slides https://drive.google.com/file/d/1DzkM-1OdE9Rzc9s1ThhRNvWGBkP9oxg5/view?usp=s... ) - Key cause 1 of loss of shape type coverage: literal arithmetic - Proposal: amend e.g. int.__add__ to use type arithmetic operators - Key cause 2 of loss of shape type coverage: broadcasting - Proposal: pyre_extensions.Broadcast operator On Mon, 12 Jul 2021 at 10:24, Matthew Rahtz wrote:

Hi all,

A quick reminder that we'll be meeting *today (Monday the 12th of July) at 6pm UK time/10am San Francisco time*. Our agenda will be:

1. Status update on PEP 646 (grammar changes, cpython implementation) 2. Brandon (Pradeep's intern) presents the stuff he's been doing 3. Feedback from presentations at NumPy community groups

As always, we'll be meeting at http://meet.google.com/fft-dzjq-ksu, and we'll record for folks who can't make it live. Details of previous meetings are recorded at https://docs.google.com/document/d/1oaG0V2ZE5BRDjd9N-Tr1N0IKGwZQcraIlZ0N8ayq... .

Thanks, and see you soon! Matthew

On Mon, 5 Jul 2021 at 16:01, Matthew Rahtz wrote:

...

Hi everyone,

Since I forgot to advertise this week's tensor typing meeting in advance, let's push it to next week to give folks sufficient notice and in case anyone else wants to present something. So the next meeting will be *Monday the 12th of July, at 6pm UK time/10am San Francisco time.* Our agenda will be:

1. Status update on PEP 646 (grammar changes, cpython implementation) 2. Feedback from presentations at NumPy community groups (backwards-compatibility, size of overloads)

Anyone want to talk about anything else?

Cheers, Matthew