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<a href="#enum-members">Enumerations</a> |
<a href="#func-members">Functions</a> </div>
<div class="headertitle"><div class="title">Runtime Options</div></div>
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<div class="contents">
<p>Set runtime parameters.
<a href="#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="enum-members" name="enum-members"></a>
Enumerations</h2></td></tr>
<tr class="memitem:gafebf7ed116adb38ae5218bc3ce06884c" id="r_gafebf7ed116adb38ae5218bc3ce06884c"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="#gafebf7ed116adb38ae5218bc3ce06884c">mi_option_t</a> { <br />
  <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884cafbf4822e5c00732c5984b32a032837f0">mi_option_show_errors</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884ca0957ef73b2550764b4840edf48422fda">mi_option_show_stats</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884ca7c8b7bf5281c581bad64f5daa6442777">mi_option_verbose</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884caec6ecbe29d46a48205ed8823a8a52a6a">mi_option_max_errors</a>
, <br />
  <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884caf9595921087e942602ee079158762665">mi_option_max_warnings</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884caca7ed041be3b0b9d0b82432c7bf41af2">mi_option_reserve_huge_os_pages</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884caa13e7926d4339d2aa6fbf61d4473fd5c">mi_option_reserve_huge_os_pages_at</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884cafbf4999c828cf79a0fb2de65d23f7333">mi_option_reserve_os_memory</a>
, <br />
  <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884ca7cc4804ced69004fa42a9a136a9ba556">mi_option_allow_large_os_pages</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884ca9d15c5e3d2115eef681c17e4dd5ab9a4">mi_option_purge_decommits</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884cab1c88e23ae290bbeec824038a97959de">mi_option_arena_reserve</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884ca4b74ae2a69e445de6c2361b73c1d14bf">mi_option_os_tag</a>
, <br />
  <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884ca8f51df355bf6651db899e6085b54865e">mi_option_retry_on_oom</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884ca8b5815a577955fe8125f2b964f41ee7f">mi_option_generic_collect</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884ca04c45931ce2c82a20d08ca1471e74087">mi_option_allow_thp</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884ca00734c528aae52784654a8db996ae62b">mi_option_guarded_min</a>
, <br />
  <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884ca96077da4e5c841edeec0c4d6e45a5ffa">mi_option_guarded_max</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884ca1eaf89bb1698f988cec27b66e546760c">mi_option_guarded_precise</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884caeb3c75b1a838eb42106750979d0888ec">mi_option_guarded_sample_rate</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884ca7b1e41ece69f9abbe5ba81d9ea7a3dc0">mi_option_guarded_sample_seed</a>
, <br />
  <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884ca1e8de72c93da7ff22d91e1e27b52ac2b">mi_option_eager_commit</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884ca17a190c25be381142d87e0468c4c068c">mi_option_eager_commit_delay</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884cafd0c5ddbc4b59fd8b5216871728167a5">mi_option_arena_eager_commit</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884ca11e62ed69200a489a5be955582078c0c">mi_option_abandoned_page_purge</a>
, <br />
  <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884cadd351e615acd8563529c20a347be7290">mi_option_purge_delay</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884ca0ac33a18f6b659fcfaf44efb0bab1b74">mi_option_use_numa_nodes</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884cadcfb5a09580361b1be65901d2d812de6">mi_option_disallow_os_alloc</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884caa9ad9005d7017c8c30ad2d6ba31db909">mi_option_max_segment_reclaim</a>
, <br />
  <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884ca6364331e305e7d3c0218b058ff3afc88">mi_option_destroy_on_exit</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884ca8236501f1ab45d26e6fd885d191a2b5e">mi_option_arena_purge_mult</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884ca009e4b5684922ce664d73d2a8e1698d9">mi_option_abandoned_reclaim_on_free</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884ca02005f164bdf03f5f00c5be726adf487">mi_option_purge_extend_delay</a>
, <br />
  <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884caeae1696100e4057ffc4182730cc04e40">mi_option_disallow_arena_alloc</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884ca38c67733a3956a1f4eeaca89fab9e78e">mi_option_visit_abandoned</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884ca874f36a7a1e51f7baee4a78b2830b643">mi_option_target_segments_per_thread</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884cac16e3f838e861338fb2357b430f6974c">mi_option_page_reclaim_on_free</a>
, <br />
  <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884caeede7d0652e391940357e1c054d29829">mi_option_page_full_retain</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884cad13382757101aa4fbc4984fa0f917133">mi_option_page_max_candidates</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884caabf8c9793d421ce28361b6d93c432de9">mi_option_max_vabits</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884caa88f56e3bccce85542dc2b3297024236">mi_option_pagemap_commit</a>
, <br />
  <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884ca679d9ee91221bffba4d5aafe488a8d7f">mi_option_page_commit_on_demand</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884ca11a13739488294318ffc03eea378f5a4">mi_option_page_max_reclaim</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884ca671e806447c15a53c7d593afdd8d45c5">mi_option_page_cross_thread_max_reclaim</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884ca5635112095936356425d9a01910afff7">mi_option_minimal_purge_size</a>
, <br />
  <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884ca4dee58d60bc95ce0eeef759c61fd849b">mi_option_arena_max_object_size</a>
, <a class="el" href="#ggafebf7ed116adb38ae5218bc3ce06884ca5b4357b74be0d87568036c32eb1a2e4a">_mi_option_last</a>
<br />
}</td></tr>
<tr class="memdesc:gafebf7ed116adb38ae5218bc3ce06884c"><td class="mdescLeft"> </td><td class="mdescRight">Runtime options. <a href="#gafebf7ed116adb38ae5218bc3ce06884c">More...</a><br /></td></tr>
<tr class="separator:gafebf7ed116adb38ae5218bc3ce06884c"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:gaecfcd3ed90af99932670d881de1fa8f1" id="r_gaecfcd3ed90af99932670d881de1fa8f1"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#gaecfcd3ed90af99932670d881de1fa8f1">mi_options_print</a> (void)</td></tr>
<tr class="memdesc:gaecfcd3ed90af99932670d881de1fa8f1"><td class="mdescLeft"> </td><td class="mdescRight">Print out all runtime parameters for mimalloc. Also printed with <code>MIMALLOC_VERBOSE=1</code> at startup. <br /></td></tr>
<tr class="separator:gaecfcd3ed90af99932670d881de1fa8f1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga1dd50c7533baec4cc6c1a2e9adf05dd2" id="r_ga1dd50c7533baec4cc6c1a2e9adf05dd2"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga1dd50c7533baec4cc6c1a2e9adf05dd2">mi_options_print_out</a> (<a class="el" href="group__extended.html#gadf31cea7d0332a81c8b882cbbdbadb8d">mi_output_fun</a> *out, void *arg)</td></tr>
<tr class="memdesc:ga1dd50c7533baec4cc6c1a2e9adf05dd2"><td class="mdescLeft"> </td><td class="mdescRight">Print out all process info. <br /></td></tr>
<tr class="separator:ga1dd50c7533baec4cc6c1a2e9adf05dd2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga459ad98f18b3fc9275474807fe0ca188" id="r_ga459ad98f18b3fc9275474807fe0ca188"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga459ad98f18b3fc9275474807fe0ca188">mi_option_is_enabled</a> (<a class="el" href="#gafebf7ed116adb38ae5218bc3ce06884c">mi_option_t</a> option)</td></tr>
<tr class="separator:ga459ad98f18b3fc9275474807fe0ca188"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga04180ae41b0d601421dd62ced40ca050" id="r_ga04180ae41b0d601421dd62ced40ca050"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga04180ae41b0d601421dd62ced40ca050">mi_option_enable</a> (<a class="el" href="#gafebf7ed116adb38ae5218bc3ce06884c">mi_option_t</a> option)</td></tr>
<tr class="separator:ga04180ae41b0d601421dd62ced40ca050"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaebf6ff707a2e688ebb1a2296ca564054" id="r_gaebf6ff707a2e688ebb1a2296ca564054"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#gaebf6ff707a2e688ebb1a2296ca564054">mi_option_disable</a> (<a class="el" href="#gafebf7ed116adb38ae5218bc3ce06884c">mi_option_t</a> option)</td></tr>
<tr class="separator:gaebf6ff707a2e688ebb1a2296ca564054"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga9a13d05fcb77489cb06d4d017ebd8bed" id="r_ga9a13d05fcb77489cb06d4d017ebd8bed"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga9a13d05fcb77489cb06d4d017ebd8bed">mi_option_set_enabled</a> (<a class="el" href="#gafebf7ed116adb38ae5218bc3ce06884c">mi_option_t</a> option, bool enable)</td></tr>
<tr class="separator:ga9a13d05fcb77489cb06d4d017ebd8bed"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga65518b69ec5d32336b50e07f74b3f629" id="r_ga65518b69ec5d32336b50e07f74b3f629"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga65518b69ec5d32336b50e07f74b3f629">mi_option_set_enabled_default</a> (<a class="el" href="#gafebf7ed116adb38ae5218bc3ce06884c">mi_option_t</a> option, bool enable)</td></tr>
<tr class="separator:ga65518b69ec5d32336b50e07f74b3f629"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga7e8af195cc81d3fa64ccf2662caa565a" id="r_ga7e8af195cc81d3fa64ccf2662caa565a"><td class="memItemLeft" align="right" valign="top">long </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga7e8af195cc81d3fa64ccf2662caa565a">mi_option_get</a> (<a class="el" href="#gafebf7ed116adb38ae5218bc3ce06884c">mi_option_t</a> option)</td></tr>
<tr class="separator:ga7e8af195cc81d3fa64ccf2662caa565a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga96ad9c406338bd314cfe878cfc9bf723" id="r_ga96ad9c406338bd314cfe878cfc9bf723"><td class="memItemLeft" align="right" valign="top">long </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga96ad9c406338bd314cfe878cfc9bf723">mi_option_get_clamp</a> (<a class="el" href="#gafebf7ed116adb38ae5218bc3ce06884c">mi_option_t</a> option, long min, long max)</td></tr>
<tr class="separator:ga96ad9c406338bd314cfe878cfc9bf723"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga274db5a6ac87cc24ef0b23e7006ed02c" id="r_ga274db5a6ac87cc24ef0b23e7006ed02c"><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga274db5a6ac87cc24ef0b23e7006ed02c">mi_option_get_size</a> (<a class="el" href="#gafebf7ed116adb38ae5218bc3ce06884c">mi_option_t</a> option)</td></tr>
<tr class="separator:ga274db5a6ac87cc24ef0b23e7006ed02c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaf84921c32375e25754dc2ee6a911fa60" id="r_gaf84921c32375e25754dc2ee6a911fa60"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#gaf84921c32375e25754dc2ee6a911fa60">mi_option_set</a> (<a class="el" href="#gafebf7ed116adb38ae5218bc3ce06884c">mi_option_t</a> option, long value)</td></tr>
<tr class="separator:gaf84921c32375e25754dc2ee6a911fa60"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga7ef623e440e6e5545cb08c94e71e4b90" id="r_ga7ef623e440e6e5545cb08c94e71e4b90"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga7ef623e440e6e5545cb08c94e71e4b90">mi_option_set_default</a> (<a class="el" href="#gafebf7ed116adb38ae5218bc3ce06884c">mi_option_t</a> option, long value)</td></tr>
<tr class="separator:ga7ef623e440e6e5545cb08c94e71e4b90"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>Set runtime parameters. </p>
<h2 class="groupheader">Enumeration Type Documentation</h2>
<a id="gafebf7ed116adb38ae5218bc3ce06884c" name="gafebf7ed116adb38ae5218bc3ce06884c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gafebf7ed116adb38ae5218bc3ce06884c">◆ </a></span>mi_option_t</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">enum <a class="el" href="#gafebf7ed116adb38ae5218bc3ce06884c">mi_option_t</a></td>
</tr>
</table>
</div><div class="memdoc">
<p>Runtime options. </p>
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884cafbf4822e5c00732c5984b32a032837f0" name="ggafebf7ed116adb38ae5218bc3ce06884cafbf4822e5c00732c5984b32a032837f0"></a>mi_option_show_errors </td><td class="fielddoc"><p>Print error messages. </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884ca0957ef73b2550764b4840edf48422fda" name="ggafebf7ed116adb38ae5218bc3ce06884ca0957ef73b2550764b4840edf48422fda"></a>mi_option_show_stats </td><td class="fielddoc"><p>Print statistics on termination. </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884ca7c8b7bf5281c581bad64f5daa6442777" name="ggafebf7ed116adb38ae5218bc3ce06884ca7c8b7bf5281c581bad64f5daa6442777"></a>mi_option_verbose </td><td class="fielddoc"><p>Print verbose messages. </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884caec6ecbe29d46a48205ed8823a8a52a6a" name="ggafebf7ed116adb38ae5218bc3ce06884caec6ecbe29d46a48205ed8823a8a52a6a"></a>mi_option_max_errors </td><td class="fielddoc"><p>issue at most N error messages </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884caf9595921087e942602ee079158762665" name="ggafebf7ed116adb38ae5218bc3ce06884caf9595921087e942602ee079158762665"></a>mi_option_max_warnings </td><td class="fielddoc"><p>issue at most N warning messages </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884caca7ed041be3b0b9d0b82432c7bf41af2" name="ggafebf7ed116adb38ae5218bc3ce06884caca7ed041be3b0b9d0b82432c7bf41af2"></a>mi_option_reserve_huge_os_pages </td><td class="fielddoc"><p>reserve N huge OS pages (1GiB pages) at startup </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884caa13e7926d4339d2aa6fbf61d4473fd5c" name="ggafebf7ed116adb38ae5218bc3ce06884caa13e7926d4339d2aa6fbf61d4473fd5c"></a>mi_option_reserve_huge_os_pages_at </td><td class="fielddoc"><p>Reserve N huge OS pages at a specific NUMA node N. </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884cafbf4999c828cf79a0fb2de65d23f7333" name="ggafebf7ed116adb38ae5218bc3ce06884cafbf4999c828cf79a0fb2de65d23f7333"></a>mi_option_reserve_os_memory </td><td class="fielddoc"><p>reserve specified amount of OS memory in an arena at startup (internally, this value is in KiB; use <a class="el" href="#ga274db5a6ac87cc24ef0b23e7006ed02c">mi_option_get_size()</a>) </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884ca7cc4804ced69004fa42a9a136a9ba556" name="ggafebf7ed116adb38ae5218bc3ce06884ca7cc4804ced69004fa42a9a136a9ba556"></a>mi_option_allow_large_os_pages </td><td class="fielddoc"><p>allow large (2 or 4 MiB) OS pages, implies eager commit. </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884ca9d15c5e3d2115eef681c17e4dd5ab9a4" name="ggafebf7ed116adb38ae5218bc3ce06884ca9d15c5e3d2115eef681c17e4dd5ab9a4"></a>mi_option_purge_decommits </td><td class="fielddoc"><p>should a memory purge decommit? (=1). Set to 0 to use memory reset on a purge (instead of decommit) </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884cab1c88e23ae290bbeec824038a97959de" name="ggafebf7ed116adb38ae5218bc3ce06884cab1c88e23ae290bbeec824038a97959de"></a>mi_option_arena_reserve </td><td class="fielddoc"><p>initial memory size for arena reservation (= 1 GiB on 64-bit) (internally, this value is in KiB; use <a class="el" href="#ga274db5a6ac87cc24ef0b23e7006ed02c">mi_option_get_size()</a>) </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884ca4b74ae2a69e445de6c2361b73c1d14bf" name="ggafebf7ed116adb38ae5218bc3ce06884ca4b74ae2a69e445de6c2361b73c1d14bf"></a>mi_option_os_tag </td><td class="fielddoc"><p>tag used for OS logging (macOS only for now) (=100) </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884ca8f51df355bf6651db899e6085b54865e" name="ggafebf7ed116adb38ae5218bc3ce06884ca8f51df355bf6651db899e6085b54865e"></a>mi_option_retry_on_oom </td><td class="fielddoc"><p>retry on out-of-memory for N milli seconds (=400), set to 0 to disable retries. (only on windows) </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884ca8b5815a577955fe8125f2b964f41ee7f" name="ggafebf7ed116adb38ae5218bc3ce06884ca8b5815a577955fe8125f2b964f41ee7f"></a>mi_option_generic_collect </td><td class="fielddoc"><p>collect heaps every N (=10000) generic allocation calls </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884ca04c45931ce2c82a20d08ca1471e74087" name="ggafebf7ed116adb38ae5218bc3ce06884ca04c45931ce2c82a20d08ca1471e74087"></a>mi_option_allow_thp </td><td class="fielddoc"><p>allow transparent huge pages? (=1) (on Android =0 by default). Set to 0 to disable THP for the process. </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884ca00734c528aae52784654a8db996ae62b" name="ggafebf7ed116adb38ae5218bc3ce06884ca00734c528aae52784654a8db996ae62b"></a>mi_option_guarded_min </td><td class="fielddoc"><p>only used when building with MI_GUARDED: minimal rounded object size for guarded objects (=0) </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884ca96077da4e5c841edeec0c4d6e45a5ffa" name="ggafebf7ed116adb38ae5218bc3ce06884ca96077da4e5c841edeec0c4d6e45a5ffa"></a>mi_option_guarded_max </td><td class="fielddoc"><p>only used when building with MI_GUARDED: maximal rounded object size for guarded objects (=0) </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884ca1eaf89bb1698f988cec27b66e546760c" name="ggafebf7ed116adb38ae5218bc3ce06884ca1eaf89bb1698f988cec27b66e546760c"></a>mi_option_guarded_precise </td><td class="fielddoc"><p>disregard minimal alignment requirement to always place guarded blocks exactly in front of a guard page (=0) </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884caeb3c75b1a838eb42106750979d0888ec" name="ggafebf7ed116adb38ae5218bc3ce06884caeb3c75b1a838eb42106750979d0888ec"></a>mi_option_guarded_sample_rate </td><td class="fielddoc"><p>1 out of N allocations in the min/max range will be guarded (=1000) </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884ca7b1e41ece69f9abbe5ba81d9ea7a3dc0" name="ggafebf7ed116adb38ae5218bc3ce06884ca7b1e41ece69f9abbe5ba81d9ea7a3dc0"></a>mi_option_guarded_sample_seed </td><td class="fielddoc"><p>can be set to allow for a (more) deterministic re-execution when a guard page is triggered (=0) </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884ca1e8de72c93da7ff22d91e1e27b52ac2b" name="ggafebf7ed116adb38ae5218bc3ce06884ca1e8de72c93da7ff22d91e1e27b52ac2b"></a>mi_option_eager_commit </td><td class="fielddoc"><p><b>v1</b>,<b>v2</b>: eager commit segments? (after <code>eager_commit_delay</code> segments) (enabled by default). </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884ca17a190c25be381142d87e0468c4c068c" name="ggafebf7ed116adb38ae5218bc3ce06884ca17a190c25be381142d87e0468c4c068c"></a>mi_option_eager_commit_delay </td><td class="fielddoc"><p><b>v2</b>: the first N segments per thread are not eagerly committed (but per page in the segment on demand) </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884cafd0c5ddbc4b59fd8b5216871728167a5" name="ggafebf7ed116adb38ae5218bc3ce06884cafd0c5ddbc4b59fd8b5216871728167a5"></a>mi_option_arena_eager_commit </td><td class="fielddoc"><p>eager commit arenas? Use 2 to enable just on overcommit systems (=2) </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884ca11e62ed69200a489a5be955582078c0c" name="ggafebf7ed116adb38ae5218bc3ce06884ca11e62ed69200a489a5be955582078c0c"></a>mi_option_abandoned_page_purge </td><td class="fielddoc"><p><b>v1</b>,<b>v2</b>: immediately purge delayed purges on thread termination </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884cadd351e615acd8563529c20a347be7290" name="ggafebf7ed116adb38ae5218bc3ce06884cadd351e615acd8563529c20a347be7290"></a>mi_option_purge_delay </td><td class="fielddoc"><p>memory purging is delayed by N milli seconds; use 0 for immediate purging or -1 for no purging at all. (=10) </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884ca0ac33a18f6b659fcfaf44efb0bab1b74" name="ggafebf7ed116adb38ae5218bc3ce06884ca0ac33a18f6b659fcfaf44efb0bab1b74"></a>mi_option_use_numa_nodes </td><td class="fielddoc"><p>0 = use all available numa nodes, otherwise use at most N nodes. </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884cadcfb5a09580361b1be65901d2d812de6" name="ggafebf7ed116adb38ae5218bc3ce06884cadcfb5a09580361b1be65901d2d812de6"></a>mi_option_disallow_os_alloc </td><td class="fielddoc"><p>1 = do not use OS memory for allocation (but only programmatically reserved arenas) <br />
</p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884caa9ad9005d7017c8c30ad2d6ba31db909" name="ggafebf7ed116adb38ae5218bc3ce06884caa9ad9005d7017c8c30ad2d6ba31db909"></a>mi_option_max_segment_reclaim </td><td class="fielddoc"><p><b>v2</b>: max. percentage of the abandoned segments can be reclaimed per try (=10%) </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884ca6364331e305e7d3c0218b058ff3afc88" name="ggafebf7ed116adb38ae5218bc3ce06884ca6364331e305e7d3c0218b058ff3afc88"></a>mi_option_destroy_on_exit </td><td class="fielddoc"><p>if set, release all memory on exit; sometimes used for dynamic unloading but can be unsafe </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884ca8236501f1ab45d26e6fd885d191a2b5e" name="ggafebf7ed116adb38ae5218bc3ce06884ca8236501f1ab45d26e6fd885d191a2b5e"></a>mi_option_arena_purge_mult </td><td class="fielddoc"><p>multiplier for <code>purge_delay</code> for the purging delay for arenas (=10) </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884ca009e4b5684922ce664d73d2a8e1698d9" name="ggafebf7ed116adb38ae5218bc3ce06884ca009e4b5684922ce664d73d2a8e1698d9"></a>mi_option_abandoned_reclaim_on_free </td><td class="fielddoc"><p><b>v1</b>,<b>v2</b>: allow to reclaim an abandoned segment on a free (=1) </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884ca02005f164bdf03f5f00c5be726adf487" name="ggafebf7ed116adb38ae5218bc3ce06884ca02005f164bdf03f5f00c5be726adf487"></a>mi_option_purge_extend_delay </td><td class="fielddoc"><p><b>v1</b>,<b>v2</b>: extend purge delay on each subsequent delay (=1) </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884caeae1696100e4057ffc4182730cc04e40" name="ggafebf7ed116adb38ae5218bc3ce06884caeae1696100e4057ffc4182730cc04e40"></a>mi_option_disallow_arena_alloc </td><td class="fielddoc"><p>1 = do not use arena's for allocation (except if using specific arena id's) </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884ca38c67733a3956a1f4eeaca89fab9e78e" name="ggafebf7ed116adb38ae5218bc3ce06884ca38c67733a3956a1f4eeaca89fab9e78e"></a>mi_option_visit_abandoned </td><td class="fielddoc"><p>allow visiting heap blocks from abandoned threads (=0) </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884ca874f36a7a1e51f7baee4a78b2830b643" name="ggafebf7ed116adb38ae5218bc3ce06884ca874f36a7a1e51f7baee4a78b2830b643"></a>mi_option_target_segments_per_thread </td><td class="fielddoc"><p><b>v1</b>,<b>v2</b>: experimental (=0) </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884cac16e3f838e861338fb2357b430f6974c" name="ggafebf7ed116adb38ae5218bc3ce06884cac16e3f838e861338fb2357b430f6974c"></a>mi_option_page_reclaim_on_free </td><td class="fielddoc"><p><b>v3</b>: reclaim abandoned pages on a free (=0). -1 disallowr always, 0 allows if the page originated from the current theap, 1 allow always </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884caeede7d0652e391940357e1c054d29829" name="ggafebf7ed116adb38ae5218bc3ce06884caeede7d0652e391940357e1c054d29829"></a>mi_option_page_full_retain </td><td class="fielddoc"><p><b>v3</b>: retain N full (small) pages per size class (=2). Use -1 for infinite (as in <b>v1</b>,<b>v2</b>). </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884cad13382757101aa4fbc4984fa0f917133" name="ggafebf7ed116adb38ae5218bc3ce06884cad13382757101aa4fbc4984fa0f917133"></a>mi_option_page_max_candidates </td><td class="fielddoc"><p><b>v3</b>: max candidate pages to consider for allocation (=4) </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884caabf8c9793d421ce28361b6d93c432de9" name="ggafebf7ed116adb38ae5218bc3ce06884caabf8c9793d421ce28361b6d93c432de9"></a>mi_option_max_vabits </td><td class="fielddoc"><p><b>v3</b>: max user space virtual address bits to consider (=48) </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884caa88f56e3bccce85542dc2b3297024236" name="ggafebf7ed116adb38ae5218bc3ce06884caa88f56e3bccce85542dc2b3297024236"></a>mi_option_pagemap_commit </td><td class="fielddoc"><p><b>v3</b>: commit the full pagemap (to always catch invalid pointer uses) (=0) </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884ca679d9ee91221bffba4d5aafe488a8d7f" name="ggafebf7ed116adb38ae5218bc3ce06884ca679d9ee91221bffba4d5aafe488a8d7f"></a>mi_option_page_commit_on_demand </td><td class="fielddoc"><p><b>v3</b>: commit page memory on-demand (=0) </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884ca11a13739488294318ffc03eea378f5a4" name="ggafebf7ed116adb38ae5218bc3ce06884ca11a13739488294318ffc03eea378f5a4"></a>mi_option_page_max_reclaim </td><td class="fielddoc"><p><b>v3</b>: don't reclaim pages of the same originating theap if we already own N pages (in that size class) (=-1 (unlimited)) </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884ca671e806447c15a53c7d593afdd8d45c5" name="ggafebf7ed116adb38ae5218bc3ce06884ca671e806447c15a53c7d593afdd8d45c5"></a>mi_option_page_cross_thread_max_reclaim </td><td class="fielddoc"><p><b>v3</b>: don't reclaim pages across threads if we already own N pages (in that size class) (=16) </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884ca5635112095936356425d9a01910afff7" name="ggafebf7ed116adb38ae5218bc3ce06884ca5635112095936356425d9a01910afff7"></a>mi_option_minimal_purge_size </td><td class="fielddoc"><p><b>v3</b>: set minimal purge size (in KiB) (=0). By default set to either 64 or 2048 if THP is enabled. (internal value is in KiB so use <a class="el" href="#ga274db5a6ac87cc24ef0b23e7006ed02c">mi_option_get_size()</a>) </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884ca4dee58d60bc95ce0eeef759c61fd849b" name="ggafebf7ed116adb38ae5218bc3ce06884ca4dee58d60bc95ce0eeef759c61fd849b"></a>mi_option_arena_max_object_size </td><td class="fielddoc"><p><b>v3</b>: set maximal object size that can be allocated in an arena (in KiB) (=2GiB on 64-bit). </p>
</td></tr>
<tr><td class="fieldname"><a id="ggafebf7ed116adb38ae5218bc3ce06884ca5b4357b74be0d87568036c32eb1a2e4a" name="ggafebf7ed116adb38ae5218bc3ce06884ca5b4357b74be0d87568036c32eb1a2e4a"></a>_mi_option_last </td><td class="fielddoc"></td></tr>
</table>
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</div>
<h2 class="groupheader">Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#gaebf6ff707a2e688ebb1a2296ca564054">◆ </a></span>mi_option_disable()</h2>
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<td class="memname">void mi_option_disable </td>
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<td class="paramtype"><a class="el" href="#gafebf7ed116adb38ae5218bc3ce06884c">mi_option_t</a></td> <td class="paramname"><span class="paramname"><em>option</em></span></td><td>)</td>
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<h2 class="memtitle"><span class="permalink"><a href="#ga04180ae41b0d601421dd62ced40ca050">◆ </a></span>mi_option_enable()</h2>
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<td class="memname">void mi_option_enable </td>
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<td class="paramtype"><a class="el" href="#gafebf7ed116adb38ae5218bc3ce06884c">mi_option_t</a></td> <td class="paramname"><span class="paramname"><em>option</em></span></td><td>)</td>
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<h2 class="memtitle"><span class="permalink"><a href="#ga7e8af195cc81d3fa64ccf2662caa565a">◆ </a></span>mi_option_get()</h2>
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<td class="memname">long mi_option_get </td>
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<td class="paramtype"><a class="el" href="#gafebf7ed116adb38ae5218bc3ce06884c">mi_option_t</a></td> <td class="paramname"><span class="paramname"><em>option</em></span></td><td>)</td>
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<h2 class="memtitle"><span class="permalink"><a href="#ga96ad9c406338bd314cfe878cfc9bf723">◆ </a></span>mi_option_get_clamp()</h2>
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<td class="memname">long mi_option_get_clamp </td>
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<td class="paramtype"><a class="el" href="#gafebf7ed116adb38ae5218bc3ce06884c">mi_option_t</a></td> <td class="paramname"><span class="paramname"><em>option</em></span>, </td>
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<td class="paramtype">long</td> <td class="paramname"><span class="paramname"><em>min</em></span>, </td>
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<td class="paramtype">long</td> <td class="paramname"><span class="paramname"><em>max</em></span> )</td>
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<h2 class="memtitle"><span class="permalink"><a href="#ga274db5a6ac87cc24ef0b23e7006ed02c">◆ </a></span>mi_option_get_size()</h2>
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<td class="memname">size_t mi_option_get_size </td>
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<td class="paramtype"><a class="el" href="#gafebf7ed116adb38ae5218bc3ce06884c">mi_option_t</a></td> <td class="paramname"><span class="paramname"><em>option</em></span></td><td>)</td>
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<h2 class="memtitle"><span class="permalink"><a href="#ga459ad98f18b3fc9275474807fe0ca188">◆ </a></span>mi_option_is_enabled()</h2>
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<td class="memname">bool mi_option_is_enabled </td>
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<td class="paramtype"><a class="el" href="#gafebf7ed116adb38ae5218bc3ce06884c">mi_option_t</a></td> <td class="paramname"><span class="paramname"><em>option</em></span></td><td>)</td>
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<h2 class="memtitle"><span class="permalink"><a href="#gaf84921c32375e25754dc2ee6a911fa60">◆ </a></span>mi_option_set()</h2>
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<td class="memname">void mi_option_set </td>
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<td class="paramtype"><a class="el" href="#gafebf7ed116adb38ae5218bc3ce06884c">mi_option_t</a></td> <td class="paramname"><span class="paramname"><em>option</em></span>, </td>
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<td class="paramtype">long</td> <td class="paramname"><span class="paramname"><em>value</em></span> )</td>
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<h2 class="memtitle"><span class="permalink"><a href="#ga7ef623e440e6e5545cb08c94e71e4b90">◆ </a></span>mi_option_set_default()</h2>
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<td class="memname">void mi_option_set_default </td>
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<td class="paramtype"><a class="el" href="#gafebf7ed116adb38ae5218bc3ce06884c">mi_option_t</a></td> <td class="paramname"><span class="paramname"><em>option</em></span>, </td>
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<td class="paramtype">long</td> <td class="paramname"><span class="paramname"><em>value</em></span> )</td>
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<h2 class="memtitle"><span class="permalink"><a href="#ga9a13d05fcb77489cb06d4d017ebd8bed">◆ </a></span>mi_option_set_enabled()</h2>
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<td class="memname">void mi_option_set_enabled </td>
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<td class="paramtype"><a class="el" href="#gafebf7ed116adb38ae5218bc3ce06884c">mi_option_t</a></td> <td class="paramname"><span class="paramname"><em>option</em></span>, </td>
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<td class="paramtype">bool</td> <td class="paramname"><span class="paramname"><em>enable</em></span> )</td>
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<h2 class="memtitle"><span class="permalink"><a href="#ga65518b69ec5d32336b50e07f74b3f629">◆ </a></span>mi_option_set_enabled_default()</h2>
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<td class="memname">void mi_option_set_enabled_default </td>
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<td class="paramtype"><a class="el" href="#gafebf7ed116adb38ae5218bc3ce06884c">mi_option_t</a></td> <td class="paramname"><span class="paramname"><em>option</em></span>, </td>
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<td class="paramtype">bool</td> <td class="paramname"><span class="paramname"><em>enable</em></span> )</td>
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<h2 class="memtitle"><span class="permalink"><a href="#gaecfcd3ed90af99932670d881de1fa8f1">◆ </a></span>mi_options_print()</h2>
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<td class="memname">void mi_options_print </td>
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<td class="paramtype">void</td> <td class="paramname"><span class="paramname"><em></em></span></td><td>)</td>
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<p>Print out all runtime parameters for mimalloc. Also printed with <code>MIMALLOC_VERBOSE=1</code> at startup. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga1dd50c7533baec4cc6c1a2e9adf05dd2">◆ </a></span>mi_options_print_out()</h2>
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<td class="memname">void mi_options_print_out </td>
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<td class="paramtype"><a class="el" href="group__extended.html#gadf31cea7d0332a81c8b882cbbdbadb8d">mi_output_fun</a> *</td> <td class="paramname"><span class="paramname"><em>out</em></span>, </td>
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<p>Print out all process info. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">out</td><td>An output function or <em>NULL</em> for the default. </td></tr>
<tr><td class="paramname">arg</td><td>Optional argument passed to <em>out</em> (if not <em>NULL</em>) Also printed with <code>MIMALLOC_VERBOSE=1</code> at startup. </td></tr>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="#gaecfcd3ed90af99932670d881de1fa8f1" title="Print out all runtime parameters for mimalloc. Also printed with MIMALLOC_VERBOSE=1 at startup.">mi_options_print()</a> </dd></dl>
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