Mac M1 - Bcrypt speed

[Ieatlotsoftacos]

Long time listener first time caller. So I've been playing around with 6.1.1. on M1 and want to brain storm if anyone has any ideas.

I've been able to top out at 250MH/s after getting to this command:

hashcat -m 3200 -a 3 -w 4 -i --increment-min 6 /Users/blahblah/crack.txt -a??a?a?a?a?a?a?a

Before I was sitting at around 50-80 h/s with this:

hashcat -m 3200 -a 3  -i --increment-min 6 /Users/blahblah/crack.txt -a??a?a?a?a?a?a?a

Also touched around 70-80 h/s using a file word list:

hashcat -m 3200 -a 0   /Users/blahblah/crack.txt /Users/blahblah/weakpass


Two things:
1)Anyone know a path to reach faster? My CPU usage and device memory wasn't effected at all, actually was better when using -w 4 (83% idle available)
2)Hopefully anyone else using a M1 searching for how to optimize comes through this post. -w 4 does wonders...


Terminal readout:
OpenCL API (OpenCL 1.2 (Oct 29 2020 19:50:08)) - Platform #1 [Apple]
====================================================================
* Device #1: Apple M1, 10858/10922 MB (1024 MB allocatable), 8MCU

Minimum password length supported by kernel: 0
Maximum password length supported by kernel: 72

Hashes: 7 digests; 7 unique digests, 7 unique salts
Bitmaps: 16 bits, 65536 entries, 0x0000ffff mask, 262144 bytes, 5/13 rotates

Applicable optimizers applied:
* Zero-Byte
* Brute-Force

Watchdog: Hardware monitoring interface not found on your system.
Watchdog: Temperature abort trigger disabled.

Host memory required for this attack: 81 MB