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< div class = "date inPage" > 16 May 2025< / div > < div style = "color: gray;" >
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Read time: 2 minute(s)
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< section class = "- topic/section section" id = "id__id2" data-ofbid = "id__id2" > < h2 class = "- topic/title title sectiontitle" > 相关数据< / h2 >
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< div class = "table-container" > < table class = "- topic/table table frame-all" id = "id__table_txb_nyh_bdc" data-ofbid = "id__table_txb_nyh_bdc" data-cols = "2" > < caption class = "- topic/title title tablecap" data-caption-side = "top" data-is-repeated = "true" > < span class = "table--title-label" > 表< span class = "table--title-label-number" > 1< / span > < span class = "table--title-label-punctuation" > . < / span > < / span > < span class = "table--title" > < / span > < / caption > < colgroup > < col / > < col / > < / colgroup > < thead class = "- topic/thead thead" >
< tr class = "- topic/row" >
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< th class = "- topic/entry entry colsep-1 rowsep-1" id = "id__table_txb_nyh_bdc__entry__1" > < p class = "- topic/p p" data-ofbid = "d82080e48__20250519091513" > 带宽< / p > < / th >
< th class = "- topic/entry entry colsep-0 rowsep-1" id = "id__table_txb_nyh_bdc__entry__2" > < p class = "- topic/p p" data-ofbid = "d82080e52__20250519091513" > 说明< / p > < / th >
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< / tr >
< / thead > < tbody class = "- topic/tbody tbody" >
< tr class = "- topic/row" >
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< td class = "- topic/entry entry colsep-1 rowsep-1" headers = "id__table_txb_nyh_bdc__entry__1" > < p class = "- topic/p p" data-ofbid = "d82080e62__20250519091513" > 800 MB/s< / p > < / td >
< td class = "- topic/entry entry colsep-0 rowsep-1" headers = "id__table_txb_nyh_bdc__entry__2" > < p class = "- topic/p p" data-ofbid = "d82080e66__20250519091513" > CLK 200 MHz, DDR， < / p > < / td >
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< / tr >
< tr class = "- topic/row" >
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< td class = "- topic/entry entry colsep-1 rowsep-1" headers = "id__table_txb_nyh_bdc__entry__1" > < p class = "- topic/p p" data-ofbid = "d82080e73__20250519091513" > 320 MB/s< / p > < / td >
< td class = "- topic/entry entry colsep-0 rowsep-1" headers = "id__table_txb_nyh_bdc__entry__2" > < p class = "- topic/p p" data-ofbid = "d82080e77__20250519091513" > CLK 200 MHz, DDR， < / p > < / td >
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< / tr >
< tr class = "- topic/row" >
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< td class = "- topic/entry entry colsep-1 rowsep-0" headers = "id__table_txb_nyh_bdc__entry__1" > < p class = "- topic/p p" data-ofbid = "d82080e84__20250519091513" > 290 MB/s< / p > < / td >
< td class = "- topic/entry entry colsep-0 rowsep-0" headers = "id__table_txb_nyh_bdc__entry__2" > < p class = "- topic/p p" data-ofbid = "d82080e88__20250519091513" > CLK 200 MHz, DDR， < / p > < / td >
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< / tr >
< / tbody > < / table > < / div >
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< div class = "- topic/note note note note_note" id = "id__note_mbd_d23_ddc" data-ofbid = "id__note_mbd_d23_ddc" > < span class = "note__title" > 注：< / span >
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< p class = "- topic/p p" data-ofbid = "d82080e97__20250519091513" > 290 MB/s， ，
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带宽测试，转换效率取决于 CPU cache line 长度，传输 burst 越长 XSPI 转换效率越高。< / p >
< / div >
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< / section >
< section class = "- topic/section section" id = "id__bootloader" data-ofbid = "id__bootloader" > < h2 class = "- topic/title title sectiontitle" > bootloader 测试开关< / h2 >
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< p class = "- topic/p p" data-ofbid = "d82080e108__20250519091513" > 在 < span class = "- topic/ph ph" > Luban-Lite< / span > 根目录下执行 < code class = "+ topic/ph pr-d/codeph ph codeph" > sourceonestep.sh< / code > 并
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< code class = "+ topic/ph pr-d/codeph ph codeph" > lunch< / code > 相关 bootloader 配置文件， 再执行 < code class = "+ topic/ph pr-d/codeph ph codeph" > scons
--menuconfig< / code > ，进入 menuconfig 的功能配置界面，按如下选择：< / p >
< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__codeblock_vxb_nyh_bdc" data-ofbid = "id__codeblock_vxb_nyh_bdc" > Bootloader options --->
Bootloader commands --->
[*] psram memory test
< / pre >
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< p class = "- topic/p p" data-ofbid = "d82080e126__20250519091513" > 使能 < code class = "+ topic/ph pr-d/codeph ph codeph" > psrammemorytest< / code > 选项后:< / p >
< p class = "- topic/p p" data-ofbid = "d82080e132__20250519091513" > bootloader 的 cmd 中，会支持 test_psram 命令。< / p >
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< / section >
< section class = "- topic/section section" id = "id__rtos" data-ofbid = "id__rtos" > < h2 class = "- topic/title title sectiontitle" > RTOS 测试< / h2 >
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< ul class = "- topic/ul ul" id = "id__ul_mkw_zdy_3dc" data-ofbid = "id__ul_mkw_zdy_3dc" >
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< li class = "- topic/li li" data-ofbid = "d82080e143__20250519091513" >
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< div class = "- topic/div div section" id = "id__rtosmemory" >
< strong class = "+ topic/ph hi-d/b ph b" > memory 测试< / strong >
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< div class = "- topic/p p" data-ofbid = "d82080e150__20250519091513" > RTOS 默认配置使能 memory 测试，
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通过:< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__codeblock_l15_g23_ddc" data-ofbid = "id__codeblock_l15_g23_ddc" > mem_test < span class = "hl-number" > 0x100000< / span > < em class = "hl-comment" > // 从 psram 中 malloc 0x100000 空间大小作为测试< / em >
mem_test < span class = "hl-number" > 0x40780000< / span > < span class = "hl-number" > 0x10000< / span > < em class = "hl-comment" > // 指定 0x40780000 起始地址， 0x10000 空间大小作为测试< / em > < / pre > < / div > < / div >
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< / li >
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< strong class = "+ topic/ph hi-d/b ph b" > 带宽测试< / strong >
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< li class = "- topic/li li" data-ofbid = "d82080e165__20250519091513" >
< p class = "- topic/p p" data-ofbid = "d82080e167__20250519091513" > 使能 test_stream:< / p >
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< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__codeblock_xxb_nyh_bdc" data-ofbid = "id__codeblock_xxb_nyh_bdc" > -> Local packages options
-> Third-party packages options
-> BenchMark Tests
[*] STREAM : a benchmark that measures the sustained memory bandwidth. --->
(< span class = "hl-number" > 262144< / span > ) Stream test array size.< / pre >
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< / li >
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< li class = "- topic/li li" data-ofbid = "d82080e174__20250519091513" >
< div class = "- topic/p p" data-ofbid = "d82080e176__20250519091513" > 关闭部分 APP，
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空间:< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__codeblock_yxb_nyh_bdc" data-ofbid = "id__codeblock_yxb_nyh_bdc" > Board options --->
[ ] Using Display Engine (DE)
[ ] Using Graphics Engine (GE)
[ ] Using Video Engine (VE)
Application options --->
[ ] ArtInChip lvgl demo ----
Local packages options --->
Third-party packages options --->
[ ] LVGL (official): powerful and easy-to-use embedded GUI library ----
ArtInChip packages options --->
[ ] aic-mpp ----< / pre > < / div >
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< / li >
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< li class = "- topic/li li" data-ofbid = "d82080e182__20250519091513" >
< div class = "- topic/p p" data-ofbid = "d82080e184__20250519091513" > 在 RTOS 的 console
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中输入:< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__codeblock_ctc_j23_ddc" data-ofbid = "id__codeblock_ctc_j23_ddc" > < em class = "hl-comment" > // 查看 psram 空间情况< / em >
aic/> free
memheap pool size max used size available size
---------------- ---------- ------------- --------------
heap_cma < span class = "hl-number" > 8388608< / span > < span class = "hl-number" > 48< / span > < span class = "hl-number" > 8388560< / span >
heap_sys < span class = "hl-number" > 751264< / span > < span class = "hl-number" > 19628< / span > < span class = "hl-number" > 733852< / span >
< em class = "hl-comment" > // 执行测试< / em >
aic/> test_stream< / pre > < / div >
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