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From: Mild Shock <janburse@fastmail.fm>
Newsgroups: comp.lang.java.programmer
Subject: =?UTF-8?Q?=cf=80-WAM_Assembly:_Comfortable_Labels_and_Goto_=28Re:_?= =?UTF-8?Q?=cf=80-WAM_Contest:_1_Million_Packets_with_Prolog=29?=
Date: Sun, 9 Aug 2026 19:40:20 +0200
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Xref: csiph.com comp.lang.java.programmer:53770

Hi,

What Hamelt is to English language, is Hack to
Compiler Construction. The playbook of Hack contains
every drama that a Compiler Construction will face.
In the following we show how we realized Project 6:
Assembler from the Nand to Tetris journey via
a little Prolog DSL.

Our initial quick and dirty prototype deploys
double buffering to determine code lengths and
is brittle in examples such as between/3. Our
assembly DSL does without symbol tables but with
Prolog logical variables only. We could fix the
between/3 glitch and give a first disjunction
(;)/2 prototype.

Bye

See also:

π-WAM Assembly: Comfortable Labels and Goto
https://medium.com/2989/1a11dd512813

Mild Shock schrieb:
 > Hi,
 >
 > We recently demonstrated a Prolog emulator for
 > ADA RendezVous without ACK and NACK. This is basically
 > a bounded buffer with max_size=1. We now went on and
 > implemented this kind of fire and forget channel
 > object natively for JavaScript, Java and Python.
 > Some results.
 >
 > Our 100 producers and 100 consumers, that communicate
 > 10000 packets through a single channel, is the camel
 > to go through the eye of a needle test case. Both
 > π-WAM and SWI-Prolog can do it below a second using
 > different means, but π-WAM beats SWI-Prolog here
 > by a factor of ca. 1.5x.
 >
 > Bye
 >
 > See also:
 >
 > π-WAM Contest: 1 Million Packets with Prolog
 > https://medium.com/2989/ec3e91551773