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Assembly writer vs compiler in VLIW architecture
Conversion from assembly program to low-level machine languageWhat do I need to study in order to understand and design a programming language?What defines a tool as a “compiler”is the problem of parallelising any program, NP-complete?What's the advantage of typed assembly?Implementing a Compiler with MacrosThe difference between compiler and interpreterIs it possible to tell if two sequences of assembly instructions are semantically equivalent?High Level Assemblers vs Compilers?Do “compiler” and “assembler” correspond to frontend and backend phases of a compiler?
$begingroup$
I read this sentence in a book:
In VLIW architecture, the compiler/and or assembly writer chooses instructions that can be executed in parallel.
What is the difference between assembly writer and compiler? Would an assembly writer also mean the same as assembler?
compilers assembly
edited 43 mins ago
Discrete lizard♦
5,09811642
asked yesterday
Dasha ShamDasha Sham
363
New contributor
Dasha Sham is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
$endgroup$
add a comment |
$begingroup$
I read this sentence in a book:
In VLIW architecture, the compiler/and or assembly writer chooses instructions that can be executed in parallel.
What is the difference between assembly writer and compiler? Would an assembly writer also mean the same as assembler?
compilers assembly
edited 43 mins ago
Discrete lizard♦
5,09811642
asked yesterday
Dasha ShamDasha Sham
363
New contributor
Dasha Sham is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
$endgroup$
add a comment |
$begingroup$
I read this sentence in a book:
In VLIW architecture, the compiler/and or assembly writer chooses instructions that can be executed in parallel.
What is the difference between assembly writer and compiler? Would an assembly writer also mean the same as assembler?
compilers assembly
edited 43 mins ago
Discrete lizard♦
5,09811642
asked yesterday
Dasha ShamDasha Sham
363
New contributor
Dasha Sham is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
$endgroup$
I read this sentence in a book:
In VLIW architecture, the compiler/and or assembly writer chooses instructions that can be executed in parallel.
What is the difference between assembly writer and compiler? Would an assembly writer also mean the same as assembler?
compilers assembly
compilers assembly
edited 43 mins ago
Discrete lizard♦
5,09811642
asked yesterday
Dasha ShamDasha Sham
363
New contributor
Dasha Sham is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited 43 mins ago
Discrete lizard♦
5,09811642
asked yesterday
Dasha ShamDasha Sham
363
New contributor
Dasha Sham is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited 43 mins ago
Discrete lizard♦
5,09811642
edited 43 mins ago
Discrete lizard♦
5,09811642
edited 43 mins ago
Discrete lizard♦
5,09811642
5,09811642
asked yesterday
Dasha ShamDasha Sham
363
New contributor
Dasha Sham is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked yesterday
Dasha ShamDasha Sham
363
asked yesterday
Dasha ShamDasha Sham
363
363
New contributor
Dasha Sham is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
Dasha Sham is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
add a comment |
2 Answers
2
active
oldest
votes
$begingroup$
The "assembly writer" in that book is a human software developer who writes code in assembler language.
answered 23 hours ago
gnasher729gnasher729
12.8k1523
$endgroup$
$begingroup$
It doesn't mean a tool flow which converts to assembly language? Is compiler the only one that does it? (apart from interpreter).
$endgroup$
– Dasha Sham
23 hours ago
12
$begingroup$
1. interpreter doesn't convert anything to assembly language. 2. Any tool that converts source code to assembly language is by definition a compiler.
$endgroup$
– gnasher729
22 hours ago
$begingroup$
@gnasher729 by your definition, wouldn't an assembler (the tool, not a person) also be a compiler?
$endgroup$
– Kelly S. French
10 hours ago
2
$begingroup$
@KellyS.French an assembler converts assembly language code to machine code, so with this definition it isn't a compiler. If, however, you have a tool that converts one assembly language into another (e.g. ARBfp1.0 to native assembly language of a modern GPU), this tool is a compiler (with this definition).
$endgroup$
– Ruslan
10 hours ago
1
$begingroup$
@gnasher729 - nitpick: by most definitions, the "Assembly language" part of (2) is unnecessary (notably, things like the typescript compiler or the java compiler, neither of which compile the source to assembly, but compile to javascript or java bytecode respectively). More recently it generally means any tool which compiles one programming language into another programming language (and assembly is technically a programming language).
$endgroup$
– Delioth
8 hours ago
add a comment |
$begingroup$
In VLIW architecture, the compiler/and or assembly writer chooses instructions that can be executed in parallel
The meaning of this sentence is that in VLIW architecture, assembler (machine) code defines which instruction will be executed in parallel, so it's fixed at the time assembly code is written by a human or generated by a compiler.
This differs from super-scalar cpus, where instructions may be executed in parallel, this is a decision made by CPU each time it executes the instructions.
There are also CPUs that combine both approaches - Itanium2 is backward-compatible with Itanium, packing 3 instructions into VLIW word. But, afair, Itanium2 can execute two such packs in the single CPU cycle, and this decision is made at execution time.
answered 22 hours ago
BulatBulat
1,201612
$endgroup$
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
$begingroup$
The "assembly writer" in that book is a human software developer who writes code in assembler language.
answered 23 hours ago
gnasher729gnasher729
12.8k1523
$endgroup$
$begingroup$
It doesn't mean a tool flow which converts to assembly language? Is compiler the only one that does it? (apart from interpreter).
$endgroup$
– Dasha Sham
23 hours ago
12
$begingroup$
1. interpreter doesn't convert anything to assembly language. 2. Any tool that converts source code to assembly language is by definition a compiler.
$endgroup$
– gnasher729
22 hours ago
$begingroup$
@gnasher729 by your definition, wouldn't an assembler (the tool, not a person) also be a compiler?
$endgroup$
– Kelly S. French
10 hours ago
2
$begingroup$
@KellyS.French an assembler converts assembly language code to machine code, so with this definition it isn't a compiler. If, however, you have a tool that converts one assembly language into another (e.g. ARBfp1.0 to native assembly language of a modern GPU), this tool is a compiler (with this definition).
$endgroup$
– Ruslan
10 hours ago
1
$begingroup$
@gnasher729 - nitpick: by most definitions, the "Assembly language" part of (2) is unnecessary (notably, things like the typescript compiler or the java compiler, neither of which compile the source to assembly, but compile to javascript or java bytecode respectively). More recently it generally means any tool which compiles one programming language into another programming language (and assembly is technically a programming language).
$endgroup$
– Delioth
8 hours ago
add a comment |
$begingroup$
The "assembly writer" in that book is a human software developer who writes code in assembler language.
answered 23 hours ago
gnasher729gnasher729
12.8k1523
$endgroup$
$begingroup$
It doesn't mean a tool flow which converts to assembly language? Is compiler the only one that does it? (apart from interpreter).
$endgroup$
– Dasha Sham
23 hours ago
12
$begingroup$
1. interpreter doesn't convert anything to assembly language. 2. Any tool that converts source code to assembly language is by definition a compiler.
$endgroup$
– gnasher729
22 hours ago
$begingroup$
@gnasher729 by your definition, wouldn't an assembler (the tool, not a person) also be a compiler?
$endgroup$
– Kelly S. French
10 hours ago
2
$begingroup$
@KellyS.French an assembler converts assembly language code to machine code, so with this definition it isn't a compiler. If, however, you have a tool that converts one assembly language into another (e.g. ARBfp1.0 to native assembly language of a modern GPU), this tool is a compiler (with this definition).
$endgroup$
– Ruslan
10 hours ago
1
$begingroup$
@gnasher729 - nitpick: by most definitions, the "Assembly language" part of (2) is unnecessary (notably, things like the typescript compiler or the java compiler, neither of which compile the source to assembly, but compile to javascript or java bytecode respectively). More recently it generally means any tool which compiles one programming language into another programming language (and assembly is technically a programming language).
$endgroup$
– Delioth
8 hours ago
add a comment |
$begingroup$
The "assembly writer" in that book is a human software developer who writes code in assembler language.
answered 23 hours ago
gnasher729gnasher729
12.8k1523
$endgroup$
The "assembly writer" in that book is a human software developer who writes code in assembler language.
answered 23 hours ago
gnasher729gnasher729
12.8k1523
answered 23 hours ago
gnasher729gnasher729
12.8k1523
answered 23 hours ago
gnasher729gnasher729
12.8k1523
answered 23 hours ago
gnasher729gnasher729
12.8k1523
12.8k1523
$begingroup$
It doesn't mean a tool flow which converts to assembly language? Is compiler the only one that does it? (apart from interpreter).
$endgroup$
– Dasha Sham
23 hours ago
12
$begingroup$
1. interpreter doesn't convert anything to assembly language. 2. Any tool that converts source code to assembly language is by definition a compiler.
$endgroup$
– gnasher729
22 hours ago
$begingroup$
@gnasher729 by your definition, wouldn't an assembler (the tool, not a person) also be a compiler?
$endgroup$
– Kelly S. French
10 hours ago
2
$begingroup$
@KellyS.French an assembler converts assembly language code to machine code, so with this definition it isn't a compiler. If, however, you have a tool that converts one assembly language into another (e.g. ARBfp1.0 to native assembly language of a modern GPU), this tool is a compiler (with this definition).
$endgroup$
– Ruslan
10 hours ago
1
$begingroup$
@gnasher729 - nitpick: by most definitions, the "Assembly language" part of (2) is unnecessary (notably, things like the typescript compiler or the java compiler, neither of which compile the source to assembly, but compile to javascript or java bytecode respectively). More recently it generally means any tool which compiles one programming language into another programming language (and assembly is technically a programming language).
$endgroup$
– Delioth
8 hours ago
add a comment |
$begingroup$
It doesn't mean a tool flow which converts to assembly language? Is compiler the only one that does it? (apart from interpreter).
$endgroup$
– Dasha Sham
23 hours ago
12
$begingroup$
1. interpreter doesn't convert anything to assembly language. 2. Any tool that converts source code to assembly language is by definition a compiler.
$endgroup$
– gnasher729
22 hours ago
$begingroup$
@gnasher729 by your definition, wouldn't an assembler (the tool, not a person) also be a compiler?
$endgroup$
– Kelly S. French
10 hours ago
2
$begingroup$
@KellyS.French an assembler converts assembly language code to machine code, so with this definition it isn't a compiler. If, however, you have a tool that converts one assembly language into another (e.g. ARBfp1.0 to native assembly language of a modern GPU), this tool is a compiler (with this definition).
$endgroup$
– Ruslan
10 hours ago
1
$begingroup$
@gnasher729 - nitpick: by most definitions, the "Assembly language" part of (2) is unnecessary (notably, things like the typescript compiler or the java compiler, neither of which compile the source to assembly, but compile to javascript or java bytecode respectively). More recently it generally means any tool which compiles one programming language into another programming language (and assembly is technically a programming language).
$endgroup$
– Delioth
8 hours ago
$begingroup$
It doesn't mean a tool flow which converts to assembly language? Is compiler the only one that does it? (apart from interpreter).
$endgroup$
– Dasha Sham
23 hours ago
$begingroup$
It doesn't mean a tool flow which converts to assembly language? Is compiler the only one that does it? (apart from interpreter).
$endgroup$
– Dasha Sham
23 hours ago
12
12
$begingroup$
1. interpreter doesn't convert anything to assembly language. 2. Any tool that converts source code to assembly language is by definition a compiler.
$endgroup$
– gnasher729
22 hours ago
$begingroup$
1. interpreter doesn't convert anything to assembly language. 2. Any tool that converts source code to assembly language is by definition a compiler.
$endgroup$
– gnasher729
22 hours ago
$begingroup$
@gnasher729 by your definition, wouldn't an assembler (the tool, not a person) also be a compiler?
$endgroup$
– Kelly S. French
10 hours ago
$begingroup$
@gnasher729 by your definition, wouldn't an assembler (the tool, not a person) also be a compiler?
$endgroup$
– Kelly S. French
10 hours ago
2
2
$begingroup$
@KellyS.French an assembler converts assembly language code to machine code, so with this definition it isn't a compiler. If, however, you have a tool that converts one assembly language into another (e.g. ARBfp1.0 to native assembly language of a modern GPU), this tool is a compiler (with this definition).
$endgroup$
– Ruslan
10 hours ago
$begingroup$
@KellyS.French an assembler converts assembly language code to machine code, so with this definition it isn't a compiler. If, however, you have a tool that converts one assembly language into another (e.g. ARBfp1.0 to native assembly language of a modern GPU), this tool is a compiler (with this definition).
$endgroup$
– Ruslan
10 hours ago
1
1
$begingroup$
@gnasher729 - nitpick: by most definitions, the "Assembly language" part of (2) is unnecessary (notably, things like the typescript compiler or the java compiler, neither of which compile the source to assembly, but compile to javascript or java bytecode respectively). More recently it generally means any tool which compiles one programming language into another programming language (and assembly is technically a programming language).
$endgroup$
– Delioth
8 hours ago
$begingroup$
@gnasher729 - nitpick: by most definitions, the "Assembly language" part of (2) is unnecessary (notably, things like the typescript compiler or the java compiler, neither of which compile the source to assembly, but compile to javascript or java bytecode respectively). More recently it generally means any tool which compiles one programming language into another programming language (and assembly is technically a programming language).
$endgroup$
– Delioth
8 hours ago
add a comment |
$begingroup$
In VLIW architecture, the compiler/and or assembly writer chooses instructions that can be executed in parallel
The meaning of this sentence is that in VLIW architecture, assembler (machine) code defines which instruction will be executed in parallel, so it's fixed at the time assembly code is written by a human or generated by a compiler.
This differs from super-scalar cpus, where instructions may be executed in parallel, this is a decision made by CPU each time it executes the instructions.
There are also CPUs that combine both approaches - Itanium2 is backward-compatible with Itanium, packing 3 instructions into VLIW word. But, afair, Itanium2 can execute two such packs in the single CPU cycle, and this decision is made at execution time.
answered 22 hours ago
BulatBulat
1,201612
$endgroup$
add a comment |
$begingroup$
In VLIW architecture, the compiler/and or assembly writer chooses instructions that can be executed in parallel
The meaning of this sentence is that in VLIW architecture, assembler (machine) code defines which instruction will be executed in parallel, so it's fixed at the time assembly code is written by a human or generated by a compiler.
This differs from super-scalar cpus, where instructions may be executed in parallel, this is a decision made by CPU each time it executes the instructions.
There are also CPUs that combine both approaches - Itanium2 is backward-compatible with Itanium, packing 3 instructions into VLIW word. But, afair, Itanium2 can execute two such packs in the single CPU cycle, and this decision is made at execution time.
answered 22 hours ago
BulatBulat
1,201612
$endgroup$
add a comment |
$begingroup$
In VLIW architecture, the compiler/and or assembly writer chooses instructions that can be executed in parallel
The meaning of this sentence is that in VLIW architecture, assembler (machine) code defines which instruction will be executed in parallel, so it's fixed at the time assembly code is written by a human or generated by a compiler.
This differs from super-scalar cpus, where instructions may be executed in parallel, this is a decision made by CPU each time it executes the instructions.
There are also CPUs that combine both approaches - Itanium2 is backward-compatible with Itanium, packing 3 instructions into VLIW word. But, afair, Itanium2 can execute two such packs in the single CPU cycle, and this decision is made at execution time.
answered 22 hours ago
BulatBulat
1,201612
$endgroup$
In VLIW architecture, the compiler/and or assembly writer chooses instructions that can be executed in parallel
The meaning of this sentence is that in VLIW architecture, assembler (machine) code defines which instruction will be executed in parallel, so it's fixed at the time assembly code is written by a human or generated by a compiler.
This differs from super-scalar cpus, where instructions may be executed in parallel, this is a decision made by CPU each time it executes the instructions.
There are also CPUs that combine both approaches - Itanium2 is backward-compatible with Itanium, packing 3 instructions into VLIW word. But, afair, Itanium2 can execute two such packs in the single CPU cycle, and this decision is made at execution time.
answered 22 hours ago
BulatBulat
1,201612
answered 22 hours ago
BulatBulat
1,201612
answered 22 hours ago
BulatBulat
1,201612
answered 22 hours ago
BulatBulat
1,201612
1,201612
add a comment |
add a comment |
Dasha Sham is a new contributor. Be nice, and check out our Code of Conduct.
Dasha Sham is a new contributor. Be nice, and check out our Code of Conduct.
Dasha Sham is a new contributor. Be nice, and check out our Code of Conduct.
Dasha Sham is a new contributor. Be nice, and check out our Code of Conduct.
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