Issue402227
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Created on 2000-11-02 16:56 by mwh, last changed 2022-04-10 16:03 by admin. This issue is now closed.
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| File name | Uploaded | Description | Edit | |
| None | mwh, 2000-11-02 16:56 | None | ||
| Messages (5) | |||
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| msg34744 - (view) | Author: Michael Hudson (mwh)  |
Date: 2000-11-02 16:56 | |
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| msg34745 - (view) | Author: Guido van Rossum (gvanrossum) * |
Date: 2000-11-13 19:40 | |
I'll give this to Jeremy for consideration, since he's working on a restructuring of the function call code anyway. I'll note thta this is really low priority. |
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| msg34746 - (view) | Author: Michael Hudson (mwh) |
Date: 2000-11-02 17:00 | |
This patch makes BUILD_MAP more like BUILD_LIST, and uses these newfound abilities to compile literal dictionaries into code more like that for lists and tuples. No reason, really, beyong asthetics & the fact that this'll make some hacks I want to inflict on the function call mechanism easier... |
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| msg34747 - (view) | Author: Jeremy Hylton (jhylton)  |
Date: 2001-02-01 18:14 | |
While this change make the generated code a lot simpler, it also has a high cost in speed and memory. The stack for a code object needs to be big enough to hold all the keys and values, which can be costly. The pybench dict creation benchmark slows down about 15%. |
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| msg287604 - (view) | Author: Serhiy Storchaka (serhiy.storchaka) * |
Date: 2017-02-11 15:27 | |
After all this change was implemented as a part of PEP 448 implementation (issue2292). But it was not documented and current documentation of the BUILD_MAP opcode doesn't match the implementation. See also issue26213. |
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| History | |||
|---|---|---|---|
| Date | User | Action | Args |
| 2022-04-10 16:03:28 | admin | set | github: 33439 |
| 2017-02-11 15:27:53 | serhiy.storchaka | set | nosy:
+ serhiy.storchaka messages: + msg287604 |
| 2000-11-02 16:56:07 | mwh | create | |