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! Copyright (C) 2009 Slava Pestov.
! See https://factorcode.org/license.txt for BSD license.
USING: slides help.markup ;
IN: chicago-talk
CONSTANT: chicago-slides
{
{ $slide "factor"
{ $url "https://factorcode.org" }
}
{ $slide "goals"
"high level language"
"expressive and extensible"
"reasonable performance"
"interactive development with arbitrary redefinition"
"standalone app deployment (strip out compiler and REPL)"
}
{ $slide "challenges"
"higher-order functions"
"dynamic typing"
"memory allocation"
"float boxing/unboxing"
"integer overflow checks"
"user-defined abstractions"
}
{ $slide "implementation"
"VM: 12 kloc of C, library: >100 kloc of Factor"
"generational copying garbage collection, card marking write barrier"
"full continuations, tail calls"
"simple non-optimizing “bootstrap” compiler"
"optimizing compiler"
}
{ $slide "optimizing compiler"
"about 12,000 lines of Factor code"
"targets x86-32, x86-64, PowerPC"
"factor code ⇒ high-level SSA ⇒ low-level SSA ⇒ machine code"
}
{ $slide "high-level optimizer"
"macro expansion, defunctionalization"
"type and interval inference, sparse conditional constant propagation, method inlining"
"escape analysis and tuple unboxing"
}
{ $slide "low-level optimizer"
"alias analysis, value numbering, write barrier elimination"
"linear scan register allocation"
}
}
: chicago-talk ( -- )
chicago-slides "Chicago talk" slides-window ;
MAIN: chicago-talk
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