opensources/lua - lua - Gitea: Git with home nas server

5160 Commits

4 Branches

53 Tags

21 MiB

Tree: 5bc47fe830

Commit Graph

Author	SHA1	Message	Date
Roberto Ierusalimschy	e8c779736f	Removed internal cache for closures The mechanism of "caching the last closure created for a prototype to try to reuse it the next time a closure for that prototype is created" was removed. There are several reasons: - It is hard to find a natural example where this cache has a measurable impact on performance. - Programmers already perceive closure creation as something slow, so they tend to avoid it inside hot paths. (Any case where the cache could reuse a closure can be rewritten predefining the closure in some variable and using that variable.) - The implementation was somewhat complex, due to a bad interaction with the generational collector. (Typically, new closures are new, while prototypes are old. So, the cache breaks the invariant that old objects should not point to new ones.)	6 years ago
Roberto Ierusalimschy	aa4c5cf190	Added directory to test file names in '$Id:' From the point of view of 'git', all names are relative to the root directory of the project. So, file names in '$Id:' also should be relative to that directory: the proper name for test file 'all.lua' is 'testes/all.lua'.	6 years ago
Roberto Ierusalimschy	7c519dfbd0	Added manual and tests for version 5.4-w2	6 years ago

Author

SHA1

Message

Date

Roberto Ierusalimschy

e8c779736f

Removed internal cache for closures

The mechanism of "caching the last closure created for a prototype to
try to reuse it the next time a closure for that prototype is created"
was removed. There are several reasons:

- It is hard to find a natural example where this cache has a measurable
impact on performance.

- Programmers already perceive closure creation as something slow,
so they tend to avoid it inside hot paths. (Any case where the cache
could reuse a closure can be rewritten predefining the closure in some
variable and using that variable.)

- The implementation was somewhat complex, due to a bad interaction
with the generational collector. (Typically, new closures are new,
while prototypes are old. So, the cache breaks the invariant that
old objects should not point to new ones.)

6 years ago

Roberto Ierusalimschy

aa4c5cf190

Added directory to test file names in '$Id:'

From the point of view of 'git', all names are relative to the root
directory of the project. So, file names in '$Id:' also should be
relative to that directory: the proper name for test file 'all.lua'
is 'testes/all.lua'.

6 years ago

Roberto Ierusalimschy

7c519dfbd0

Added manual and tests for version 5.4-w2

6 years ago

3 Commits (5bc47fe83087e0686f4639d031801837846e4c65)