Browse thread
Efficiency of let/and
[
Home
]
[ Index:
by date
|
by threads
]
[ Message by date: previous | next ] [ Message in thread: previous | next ] [ Thread: previous | next ]
[ Message by date: previous | next ] [ Message in thread: previous | next ] [ Thread: previous | next ]
| Date: | -- (:) |
| From: | Stefan Monnier <monnier@i...> |
| Subject: | Re: [Caml-list] Re: Ant: Efficiency of let/and |
>> If someone tries to use such things as `and' or
>> unspecified-argument-evaluation-order in the hopes that the compiler will
>> extract some imagined parallelism is simply deluding himself.
>> In some cases, the freedom to execute in any order does lead to better
>> code, but that code rarely if ever uses any kind of parallelism.
> This is not so at all. Limited Parallelism is indeed found in all
> modern processors, which can, for example, distribute multiple
> instructions on several pipelines, decode in parallel with
> computing values, or perform several integer and/or floating
> operations simultaneously.
This has nothing to do with what I said. Compilers can equally take
advantage of ILP with a `let' or with a specified evaluation order.
Stefan