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py/builtinimport: Remove weak links.

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In order to keep "import umodule" working, the existing mechanism is
replaced with a simple fallback to drop the "u".

This makes importing of built-ins no longer touch the filesystem, which
makes a typical built-in import take ~0.15ms rather than 3-5ms.

(Weak links were added in c14a81662c)

This work was funded through GitHub Sponsors.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
This commit is contained in:
Jim Mussared
2022-08-17 16:21:03 +10:00
parent 30628d1bb7
commit dfe232d000
9 changed files with 5 additions and 59 deletions
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5
py/mpconfig.h
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@@ -871,11 +871,6 @@ typedef double mp_float_t;
#define MICROPY_MODULE_GETATTR (MICROPY_CONFIG_ROM_LEVEL_AT_LEAST_CORE_FEATURES)
#endif
// Whether module weak links are supported
#ifndef MICROPY_MODULE_WEAK_LINKS
#define MICROPY_MODULE_WEAK_LINKS (MICROPY_CONFIG_ROM_LEVEL_AT_LEAST_EXTRA_FEATURES)
#endif
// Whether to enable importing foo.py with __name__ set to '__main__'
// Used by the unix port for the -m flag.
#ifndef MICROPY_MODULE_OVERRIDE_MAIN_IMPORT