I use the Abacus Basic64 and Compute!s Gazette Sprint compilers in a speed test using a visual quicksort demo

Links
D64 Image file: https://drive.google.com/file/d/1QEMd...

Sprint Compiler
1986 Gazette: https://archive.org/details/1986-01-c...
1988 Gazette: https://archive.org/details/1988-01-c...

Lightning Sort
1984 Compute: https://archive.org/details/1984-09-c...

00:00 Introduction
00:36 The Compilers
00:58 BASIC Quicksort
02:56 Abacus BASIC64 compiler
03:42 BASIC64 Optimizer 1 (default)
05:38 BASIC64 Optimizer 2, PCODE|Integer
05:45 BASIC64 Compiler directives
06:57 BASIC64 Optimizer 2, ML|Integer
07:41 Sprint compiler
09:11 Modifying QSORT.B
10:24 Sprint compile
11:19 Speed Test
13:42 Comments
14:08 Lightning Sort