diff --git a/basis/compiler/tree/dead-code/recursive/recursive.factor b/basis/compiler/tree/dead-code/recursive/recursive.factor
index 03d4e919ee..02dc42f058 100644
--- a/basis/compiler/tree/dead-code/recursive/recursive.factor
+++ b/basis/compiler/tree/dead-code/recursive/recursive.factor
@@ -84,7 +84,7 @@ M:: #recursive remove-dead-code* ( node -- nodes )
             drop-outputs [ node drop-recursive-outputs ] |
          node [ (remove-dead-code) ] change-child drop
          node label>> [ filter-live ] change-enter-out drop
-         drop-inputs node drop-outputs 3array
+         { drop-inputs node drop-outputs }
     ] ;
 
 M: #return-recursive remove-dead-code* ;
diff --git a/basis/compiler/tree/propagation/propagation-tests.factor b/basis/compiler/tree/propagation/propagation-tests.factor
index 6638951723..d73e8b7db1 100644
--- a/basis/compiler/tree/propagation/propagation-tests.factor
+++ b/basis/compiler/tree/propagation/propagation-tests.factor
@@ -7,7 +7,8 @@ byte-arrays classes.algebra classes.tuple.private
 math.functions math.private strings layouts
 compiler.tree.propagation.info compiler.tree.def-use
 compiler.tree.debugger compiler.tree.checker
-slots.private words hashtables classes assocs ;
+slots.private words hashtables classes assocs locals
+float-arrays ;
 IN: compiler.tree.propagation.tests
 
 \ propagate must-infer
@@ -587,6 +588,8 @@ MIXIN: empty-mixin
     [ { fixnum integer } declare bitand ] final-classes
 ] unit-test
 
+[ V{ float-array } ] [ [| | F{ } ] final-classes ] unit-test
+
 ! [ V{ string } ] [
 !     [ dup string? t xor [ "A" throw ] [ ] if ] final-classes
 ! ] unit-test
diff --git a/basis/cpu/x86/32/32.factor b/basis/cpu/x86/32/32.factor
index 67a8ec8a2c..5328f2a263 100755
--- a/basis/cpu/x86/32/32.factor
+++ b/basis/cpu/x86/32/32.factor
@@ -62,10 +62,6 @@ M: float-regs store-return-reg load/store-float-return FSTP ;
 : with-aligned-stack ( n quot -- )
     swap dup align-sub slip align-add ; inline
 
-! On x86, we can always use an address as an operand
-! directly.
-M: x86.32 address-operand ;
-
 M: x86.32 fixnum>slot@ 1 SHR ;
 
 M: x86.32 prepare-division CDQ ;
diff --git a/basis/cpu/x86/64/64.factor b/basis/cpu/x86/64/64.factor
index 4770c09a83..c135d0490d 100755
--- a/basis/cpu/x86/64/64.factor
+++ b/basis/cpu/x86/64/64.factor
@@ -33,13 +33,6 @@ M: float-regs vregs
 M: float-regs param-regs
     drop { XMM0 XMM1 XMM2 XMM3 XMM4 XMM5 XMM6 XMM7 } ;
 
-M: x86.64 address-operand ( address -- operand )
-    #! On AMD64, we have to load 64-bit addresses into a
-    #! scratch register first. The usage of R11 here is a hack.
-    #! This word can only be called right before a subroutine
-    #! call, where all vregs have been flushed anyway.
-    temp-reg v>operand [ swap MOV ] keep ;
-
 M: x86.64 fixnum>slot@ drop ;
 
 M: x86.64 prepare-division CQO ;
@@ -49,8 +42,8 @@ M: x86.64 load-indirect ( literal reg -- )
 
 M: stack-params %load-param-reg
     drop
-    >r temp-reg v>operand swap stack@ MOV
-    r> stack@ temp-reg v>operand MOV ;
+    >r R11 swap stack@ MOV
+    r> stack@ R11 MOV ;
 
 M: stack-params %save-param-reg
     >r stack-frame* + cell + swap r> %load-param-reg ;
@@ -138,7 +131,9 @@ M: x86.64 %alien-global
     [ 0 MOV rc-absolute-cell rel-dlsym ] [ dup [] MOV ] bi ;
 
 M: x86.64 %alien-invoke
-    0 address-operand >r rc-absolute-cell rel-dlsym r> CALL ;
+    R11 0 MOV
+    rc-absolute-cell rel-dlsym
+    R11 CALL ;
 
 M: x86.64 %prepare-alien-indirect ( -- )
     "unbox_alien" f %alien-invoke
diff --git a/basis/cpu/x86/architecture/architecture.factor b/basis/cpu/x86/architecture/architecture.factor
index 171e67bcfb..04b496f12a 100755
--- a/basis/cpu/x86/architecture/architecture.factor
+++ b/basis/cpu/x86/architecture/architecture.factor
@@ -39,8 +39,6 @@ GENERIC: store-return-reg ( stack@ reg-class -- )
 HOOK: temp-reg-1 cpu ( -- reg )
 HOOK: temp-reg-2 cpu ( -- reg )
 
-HOOK: address-operand cpu ( address -- operand )
-
 HOOK: fixnum>slot@ cpu ( op -- )
 
 HOOK: prepare-division cpu ( -- )
diff --git a/basis/hints/hints-docs.factor b/basis/hints/hints-docs.factor
index 99c4a2ddfc..347cfd3ef4 100644
--- a/basis/hints/hints-docs.factor
+++ b/basis/hints/hints-docs.factor
@@ -20,9 +20,24 @@ HELP: specialized-def
 { $description "Outputs the definition of a word after it has been split into specialized branches. This is the definition which will actually be compiled by the compiler." } ;
 
 HELP: HINTS:
-{ $values { "word" word } { "hints..." "a list of sequences of classes" } }
-{ $description "Defines specialization hints for each words. Each sequence of classes in the list will cause a specialized version of the word to be compiled." }
+{ $values { "defspec" "a definition specifier" } { "hints..." "a list of sequences of classes" } }
+{ $description "Defines specialization hints for a word or a method."
+$nl
+"Each sequence of classes in the list will cause a specialized version of the word to be compiled." }
 { $examples "The " { $link append } " word has a specializer for the very common case where two strings or two arrays are appended:"
-{ $code "HINTS: append { string string } { array array } ;" } } ;
+{ $code "HINTS: append { string string } { array array } ;" }
+"Specializers can also be defined on methods:"
+{ $code
+    "GENERIC: count-occurrences ( elt obj -- n )"
+    ""
+    "M: sequence count-occurrences [ = ] with count ;"
+    ""
+    "M: assoc count-occurrences"
+    "    swap [ = nip ] curry assoc-filter assoc-size ;"
+    ""
+    "HINTS: { sequence count-occurrences } { object array } ;"
+    "HINTS: { assoc count-occurrences } { object hashtable } ;"
+}
+} ;
 
 ABOUT: "hints"
diff --git a/basis/hints/hints.factor b/basis/hints/hints.factor
index 1138ad872a..a10588d730 100644
--- a/basis/hints/hints.factor
+++ b/basis/hints/hints.factor
@@ -42,11 +42,11 @@ IN: hints
 
 : specialized-def ( word -- quot )
     dup def>> swap {
-        { [ dup standard-method? ] [ specialize-method ] }
         {
             [ dup "specializer" word-prop ]
             [ "specializer" word-prop specialize-quot ]
         }
+        { [ dup standard-method? ] [ specialize-method ] }
         [ drop ]
     } cond ;
 
@@ -54,7 +54,8 @@ IN: hints
     dup [ array? ] all? [ first ] when length ;
 
 : HINTS:
-    scan-word
+    scan-object
+    dup method-spec? [ first2 method ] when
     [ redefined ]
     [ parse-definition "specializer" set-word-prop ] bi ;
     parsing
diff --git a/basis/locals/locals-tests.factor b/basis/locals/locals-tests.factor
index 59ec325f39..eb06d05146 100755
--- a/basis/locals/locals-tests.factor
+++ b/basis/locals/locals-tests.factor
@@ -329,4 +329,6 @@ M:: sequence method-with-locals ( a -- y ) a reverse ;
 [ 10 20 30 [| a b c | H{ { a "a" } { b "b" } { c "c" } } ] call ] unit-test
 
 [ T{ slice f 0 3 "abc" } ]
-[ 0 3 "abc" [| from to seq | T{ slice f from to seq } ] call ] unit-test
\ No newline at end of file
+[ 0 3 "abc" [| from to seq | T{ slice f from to seq } ] call ] unit-test
+
+{ 3 1 } [| from to seq | T{ slice f from to seq } ] must-infer-as
\ No newline at end of file
diff --git a/basis/locals/locals.factor b/basis/locals/locals.factor
index bfc92ee9e2..05ea3cb524 100755
--- a/basis/locals/locals.factor
+++ b/basis/locals/locals.factor
@@ -6,7 +6,7 @@ quotations debugger macros arrays macros splitting combinators
 prettyprint.backend definitions prettyprint hashtables
 prettyprint.sections sets sequences.private effects
 effects.parser generic generic.parser compiler.units accessors
-locals.backend memoize macros.expander lexer
+locals.backend memoize macros.expander lexer classes
 stack-checker.known-words ;
 IN: locals
 
@@ -195,70 +195,41 @@ M: block lambda-rewrite*
         swap point-free ,
     ] keep length \ curry <repetition> % ;
 
+GENERIC: rewrite-element ( obj -- )
+
+: rewrite-elements ( seq -- )
+    [ rewrite-element ] each ;
+
+: rewrite-sequence ( seq -- )
+    [ rewrite-elements ] [ length , ] [ , ] tri \ nsequence , ;
+
+M: array rewrite-element rewrite-sequence ;
+
+M: vector rewrite-element rewrite-sequence ;
+
+M: hashtable rewrite-element >alist rewrite-sequence \ >hashtable , ;
+
+M: tuple rewrite-element
+    [ tuple-slots rewrite-elements ] [ class , ] bi \ boa , ;
+
+M: local rewrite-element , ;
+
+M: word rewrite-element literalize , ;
+
+M: object rewrite-element , ;
+
+M: array local-rewrite* rewrite-element ;
+
+M: vector local-rewrite* rewrite-element ;
+
+M: tuple local-rewrite* rewrite-element ;
+
+M: hashtable local-rewrite* rewrite-element ;
+
 M: object lambda-rewrite* , ;
 
 M: object local-rewrite* , ;
 
-! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-
-! Broil is used to support locals in literals
-
-DEFER: [broil]
-DEFER: [broil-hashtable]
-DEFER: [broil-tuple]
-
-: broil-element ( obj -- quot )
-  {
-    { [ dup number?    ] [            1quotation ] }
-    { [ dup string?    ] [            1quotation ] }
-    { [ dup sequence?  ] [ [broil]               ] }
-    { [ dup hashtable? ] [ [broil-hashtable]     ] }
-    { [ dup tuple?     ] [ [broil-tuple]         ] }
-    { [ dup local?     ] [            1quotation ] }
-    { [ dup word?      ] [ literalize 1quotation ] }
-    { [ t              ] [            1quotation ] }
-  }
-  cond ;
-
-: [broil] ( seq -- quot )
-  [ [ broil-element ] map concat >quotation ]
-  [ length ]
-  [        ]
-  tri
-  [ nsequence ] curry curry compose ;
-  
-MACRO: broil ( seq -- quot ) [broil] ;
-
-: [broil-hashtable] ( hashtable -- quot )
-  >alist
-  [ [ broil-element ] map concat >quotation ]
-  [ length ]
-  [        ]
-  tri
-  [ nsequence >hashtable ] curry curry compose ;
-
-MACRO: broil-hashtable ( hashtable -- quot ) [broil-hashtable] ;
-
-: [broil-tuple] ( tuple -- quot )
-  tuple>array
-  [ [ broil-element ] map concat >quotation ]
-  [ length ]
-  [        ]
-  tri
-  [ nsequence >tuple ] curry curry compose ;
-
-MACRO: broil-tuple ( tuple -- quot ) [broil-tuple] ;
-
-! Engage broil on arrays and vectors. Can't do it on 'sequence'
-! because that will pick up strings and integers. What do do...
-
-M: array     local-rewrite* ( array      -- ) [broil]           % ;
-M: vector    local-rewrite* ( vector     -- ) [broil]           % ;
-M: tuple     local-rewrite* ( tuple      -- ) [broil-tuple]     % ;
-M: hashtable local-rewrite* ( hashtable  -- ) [broil-hashtable] % ;
-
-! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-
 : make-local ( name -- word )
     "!" ?tail [
         <local-reader>
diff --git a/basis/tools/annotations/annotations.factor b/basis/tools/annotations/annotations.factor
index 96c2ec2fcc..c836bfc2b6 100755
--- a/basis/tools/annotations/annotations.factor
+++ b/basis/tools/annotations/annotations.factor
@@ -3,7 +3,7 @@
 USING: accessors kernel words parser io summary quotations
 sequences prettyprint continuations effects definitions
 compiler.units namespaces assocs tools.walker generic
-inspector ;
+inspector fry ;
 IN: tools.annotations
 
 GENERIC: reset ( word -- )
@@ -49,20 +49,18 @@ M: word reset
         .s
     ] if* "\\--" print flush ;
 
-: (watch) ( word def -- def )
-    over [ entering ] curry
-    rot [ leaving ] curry
-    swapd 3append ;
+: (watch) ( word def -- def ) over '[ _ entering @ _ leaving ] ;
 
 : watch ( word -- )
     dup [ (watch) ] annotate ;
 
 : (watch-vars) ( quot word vars -- newquot )
-    [
-        "--- Entering: " write swap .
-        "--- Variable values:" print
-        [ dup get ] H{ } map>assoc describe
-    ] 2curry prepose ;
+    rot
+   '[
+        "--- Entering: "       write _ .
+        "--- Variable values:" print _ [ dup get ] H{ } map>assoc describe
+        @
+    ] ;
 
 : watch-vars ( word vars -- )
     dupd [ (watch-vars) ] 2curry annotate ;
diff --git a/extra/benchmark/raytracer/raytracer.factor b/extra/benchmark/raytracer/raytracer.factor
index 69454505a5..34bac61292 100755
--- a/extra/benchmark/raytracer/raytracer.factor
+++ b/extra/benchmark/raytracer/raytracer.factor
@@ -3,7 +3,7 @@
 
 USING: arrays accessors float-arrays io io.files
 io.encodings.binary kernel math math.functions math.vectors
-math.parser make sequences sequences.private words ;
+math.parser make sequences sequences.private words hints ;
 IN: benchmark.raytracer
 
 ! parameters
@@ -38,34 +38,40 @@ TUPLE: sphere { center float-array read-only } { radius float read-only } ;
 C: <sphere> sphere
 
 : sphere-v ( sphere ray -- v )
-    swap center>> swap orig>> v- ; inline
+    [ center>> ] [ orig>> ] bi* v- ; inline
 
-: sphere-b ( ray v -- b ) swap dir>> v. ; inline
+: sphere-b ( v ray -- b )
+    dir>> v. ; inline
 
-: sphere-disc ( sphere v b -- d )
-    sq swap norm-sq - swap radius>> sq + ; inline
+: sphere-d ( sphere b v -- d )
+    [ radius>> sq ] [ sq ] [ norm-sq ] tri* - + ; inline
 
-: -+ ( x y -- x-y x+y ) [ - ] 2keep + ; inline
+: -+ ( x y -- x-y x+y )
+    [ - ] [ + ] 2bi ; inline
 
-: sphere-b/d ( b d -- t )
+: sphere-t ( b d -- t )
     -+ dup 0.0 <
     [ 2drop 1.0/0.0 ] [ [ [ 0.0 > ] keep ] dip ? ] if ; inline
 
-: ray-sphere ( sphere ray -- t )
-    2dup sphere-v tuck sphere-b [ sphere-disc ] keep
-    over 0.0 < [ 2drop 1.0/0.0 ] [ swap sqrt sphere-b/d ] if ;
-    inline
+: sphere-b&v ( sphere ray -- b v )
+    [ sphere-v ] [ nip ] 2bi
+    [ sphere-b ] [ drop ] 2bi ; inline
 
-: sphere-n ( ray sphere l -- n )
-    pick dir>> n*v swap center>> v- swap orig>> v+ ;
-    inline
+: ray-sphere ( sphere ray -- t )
+    [ drop ] [ sphere-b&v ] 2bi
+    [ drop ] [ sphere-d ] 3bi
+    dup 0.0 < [ 3drop 1/0. ] [ sqrt sphere-t nip ] if ; inline
 
 : if-ray-sphere ( hit ray sphere quot -- hit )
     #! quot: hit ray sphere l -- hit
     [
-        pick lambda>> [ 2dup swap ray-sphere dup ] dip >=
-        [ 3drop ]
-    ] dip if ; inline
+        [ ] [ swap ray-sphere nip ] [ 2drop lambda>> ] 3tri
+        [ drop ] [ < ] 2bi
+    ] dip [ 3drop ] if ; inline
+
+: sphere-n ( ray sphere l -- n )
+    [ [ orig>> ] [ dir>> ] bi ] [ center>> ] [ ] tri*
+    swap [ v*n ] dip v- v+ ; inline
 
 M: sphere intersect-scene ( hit ray sphere -- hit )
     [ [ sphere-n normalize ] keep <hit> nip ] if-ray-sphere ;
@@ -79,21 +85,17 @@ TUPLE: group < sphere { objs array read-only } ;
     swap [ { } make ] dip <group> ; inline
 
 M: group intersect-scene ( hit ray group -- hit )
-    [
-        drop
-        objs>> [ [ tuck ] dip intersect-scene swap ] each
-        drop
-    ] if-ray-sphere ;
+    [ drop objs>> [ intersect-scene ] with each ] if-ray-sphere ;
 
-: initial-hit T{ hit f F{ 0.0 0.0 0.0 } 1.0/0.0 } ; inline
+: initial-hit T{ hit f F{ 0.0 0.0 0.0 } 1/0. } ; inline
 
 : initial-intersect ( ray scene -- hit )
-    initial-hit -rot intersect-scene ; inline
+    [ initial-hit ] 2dip intersect-scene ; inline
 
 : ray-o ( ray hit -- o )
-    over dir>> over lambda>> v*n
-    swap normal>> delta v*n v+
-    swap orig>> v+ ; inline
+    [ [ orig>> ] [ normal>> delta v*n ] bi* ]
+    [ [ dir>> ] [ lambda>> ] bi* v*n ]
+    2bi v+ v+ ; inline
 
 : sray-intersect ( ray scene hit -- ray )
     swap [ ray-o light vneg <ray> ] dip initial-intersect ; inline
@@ -101,10 +103,10 @@ M: group intersect-scene ( hit ray group -- hit )
 : ray-g ( hit -- g ) normal>> light v. ; inline
 
 : cast-ray ( ray scene -- g )
-    2dup initial-intersect dup lambda>> 1.0/0.0 = [
+    2dup initial-intersect dup lambda>> 1/0. = [
         3drop 0.0
     ] [
-        [ sray-intersect lambda>> 1.0/0.0 = ] keep swap
+        [ sray-intersect lambda>> 1/0. = ] keep swap
         [ ray-g neg ] [ drop 0.0 ] if
     ] if ; inline
 
diff --git a/extra/benchmark/spectral-norm/spectral-norm.factor b/extra/benchmark/spectral-norm/spectral-norm.factor
index 3c20a1ceff..245027ef77 100644
--- a/extra/benchmark/spectral-norm/spectral-norm.factor
+++ b/extra/benchmark/spectral-norm/spectral-norm.factor
@@ -32,8 +32,10 @@ IN: benchmark.spectral-norm
 : eval-AtA-times-u ( u n -- seq )
     [ eval-A-times-u ] [ eval-At-times-u ] bi ; inline
 
+: ones ( n -- seq ) [ 1.0 ] F{ } replicate-as ; inline
+
 :: u/v ( n -- u v )
-    n 1.0 <repetition> >float-array dup
+    n ones dup
     10 [
         drop
         n eval-AtA-times-u