lx_nand_flash_open takes too long time and continuously read pages within a block again and again #49

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lx_nand_flash_open takes too long time and continuously read pages within a block again and again#49
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bugSomething isn't working

Description

@kaotao
kaotao
opened on Jul 17, 2024

Describe the bug
We have successfully making levelx working together with filex on a nxp 1052 board with a nand flash of 4Gb。We made out test program based on demo_filex_nand_flash.c. The performance especially lx_nand_flash_open is poor. After board startup and levelx & filex format, the first several times of lx_nand_flash_open consumes about several seconds, but later increases to more than 10 seconds and at last takes 30 seconds, which is too long( 12 seconds without logs on). Our nand spi clock speed is 40M HZ

Checking through the log, we found during lx_nand_flash_open, levelx will continuously read some pages within a block again and again(eg, read block 2047 pages 42 to 0, and then read block 2047 pages 42 to 2, and then read block 2047 pages 42 to 3 and keep on doing like this until read block 2047 pages 42 to 16). Can't levelx read pages within a block once and get all the required information, so as to increase performance? Meanwhile, i didn't find any cache function for nand flash.

Please also mention any information which could help others to understand
the problem you're facing:
We are using the latest levelx
Maybe we will implement cache function for nand flash

To Reproduce
After power on , levelx behaves all the same

levelx_performance_test.txt

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      , 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
       blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

      Skip to content
      lx_nand_flash_open takes too long time and continuously read pages within a block again and again #49
      Open
      Open
      lx_nand_flash_open takes too long time and continuously read pages within a block again and again#49
      Labels
      bugSomething isn't working
      Description
      @kaotao
      kaotao
      opened on Jul 17, 2024
      Describe the bug
      
We have successfully making levelx working together with filex on a nxp 1052 board with a nand flash of 4Gb。We made out test program based on demo_filex_nand_flash.c. The performance especially lx_nand_flash_open is poor. After board startup and levelx & filex format, the first several times of lx_nand_flash_open consumes about several seconds, but later increases to more than 10 seconds and at last takes 30 seconds, which is too long( 12 seconds without logs on). Our nand spi clock speed is 40M HZ
      Checking through the log, we found during lx_nand_flash_open, levelx will continuously read some pages within a block again and again(eg, read block 2047 pages 42 to 0, and then read block 2047 pages 42 to 2, and then read block 2047 pages 42 to 3 and keep on doing like this until read block 2047 pages 42 to 16). Can't levelx read pages within a block once and get all the required information, so as to increase performance? Meanwhile, i didn't find any cache function for nand flash.
      Please also mention any information which could help others to understand
      
the problem you're facing:
      
We are using the latest levelx
      
Maybe we will implement cache function for nand flash
      To Reproduce
      
After power on , levelx behaves all the same
      levelx_performance_test.txt
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      No one assigned
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        bugSomething isn't working
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        No type
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        No projects
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          No milestone
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          None yet
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

          Skip to content
          lx_nand_flash_open takes too long time and continuously read pages within a block again and again #49
          Open
          Open
          lx_nand_flash_open takes too long time and continuously read pages within a block again and again#49
          Labels
          bugSomething isn't working
          Description
          @kaotao
          kaotao
          opened on Jul 17, 2024
          Describe the bug
          
We have successfully making levelx working together with filex on a nxp 1052 board with a nand flash of 4Gb。We made out test program based on demo_filex_nand_flash.c. The performance especially lx_nand_flash_open is poor. After board startup and levelx & filex format, the first several times of lx_nand_flash_open consumes about several seconds, but later increases to more than 10 seconds and at last takes 30 seconds, which is too long( 12 seconds without logs on). Our nand spi clock speed is 40M HZ
          Checking through the log, we found during lx_nand_flash_open, levelx will continuously read some pages within a block again and again(eg, read block 2047 pages 42 to 0, and then read block 2047 pages 42 to 2, and then read block 2047 pages 42 to 3 and keep on doing like this until read block 2047 pages 42 to 16). Can't levelx read pages within a block once and get all the required information, so as to increase performance? Meanwhile, i didn't find any cache function for nand flash.
          Please also mention any information which could help others to understand
          
the problem you're facing:
          
We are using the latest levelx
          
Maybe we will implement cache function for nand flash
          To Reproduce
          
After power on , levelx behaves all the same
          levelx_performance_test.txt
          Metadata
          Metadata
          Assignees
          No one assigned
            Labels
            bugSomething isn't working
            Type
            No type
            Projects
            No projects
              Milestone
              No milestone
              Relationships
              None yet
              Development
              No branches or pull requests
              Issue actions
              
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

              Skip to content
              lx_nand_flash_open takes too long time and continuously read pages within a block again and again #49
              Open
              Open
              lx_nand_flash_open takes too long time and continuously read pages within a block again and again#49
              Labels
              bugSomething isn't working
              Description
              @kaotao
              kaotao
              opened on Jul 17, 2024
              Describe the bug
              
We have successfully making levelx working together with filex on a nxp 1052 board with a nand flash of 4Gb。We made out test program based on demo_filex_nand_flash.c. The performance especially lx_nand_flash_open is poor. After board startup and levelx & filex format, the first several times of lx_nand_flash_open consumes about several seconds, but later increases to more than 10 seconds and at last takes 30 seconds, which is too long( 12 seconds without logs on). Our nand spi clock speed is 40M HZ
              Checking through the log, we found during lx_nand_flash_open, levelx will continuously read some pages within a block again and again(eg, read block 2047 pages 42 to 0, and then read block 2047 pages 42 to 2, and then read block 2047 pages 42 to 3 and keep on doing like this until read block 2047 pages 42 to 16). Can't levelx read pages within a block once and get all the required information, so as to increase performance? Meanwhile, i didn't find any cache function for nand flash.
              Please also mention any information which could help others to understand
              
the problem you're facing:
              
We are using the latest levelx
              
Maybe we will implement cache function for nand flash
              To Reproduce
              
After power on , levelx behaves all the same
              levelx_performance_test.txt
              Metadata
              Metadata
              Assignees
              No one assigned
                Labels
                bugSomething isn't working
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                No type
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                No projects
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                  No milestone
                  Relationships
                  None yet
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                  No branches or pull requests
                  Issue actions
                  
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

                  Skip to content
                  lx_nand_flash_open takes too long time and continuously read pages within a block again and again #49
                  Open
                  Open
                  lx_nand_flash_open takes too long time and continuously read pages within a block again and again#49
                  Labels
                  bugSomething isn't working
                  Description
                  @kaotao
                  kaotao
                  opened on Jul 17, 2024
                  Describe the bug
                  
We have successfully making levelx working together with filex on a nxp 1052 board with a nand flash of 4Gb。We made out test program based on demo_filex_nand_flash.c. The performance especially lx_nand_flash_open is poor. After board startup and levelx & filex format, the first several times of lx_nand_flash_open consumes about several seconds, but later increases to more than 10 seconds and at last takes 30 seconds, which is too long( 12 seconds without logs on). Our nand spi clock speed is 40M HZ
                  Checking through the log, we found during lx_nand_flash_open, levelx will continuously read some pages within a block again and again(eg, read block 2047 pages 42 to 0, and then read block 2047 pages 42 to 2, and then read block 2047 pages 42 to 3 and keep on doing like this until read block 2047 pages 42 to 16). Can't levelx read pages within a block once and get all the required information, so as to increase performance? Meanwhile, i didn't find any cache function for nand flash.
                  Please also mention any information which could help others to understand
                  
the problem you're facing:
                  
We are using the latest levelx
                  
Maybe we will implement cache function for nand flash
                  To Reproduce
                  
After power on , levelx behaves all the same
                  levelx_performance_test.txt
                  Metadata
                  Metadata
                  Assignees
                  No one assigned
                    Labels
                    bugSomething isn't working
                    Type
                    No type
                    Projects
                    No projects
                      Milestone
                      No milestone
                      Relationships
                      None yet
                      Development
                      No branches or pull requests
                      Issue actions
                      
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

                      Skip to content
                      lx_nand_flash_open takes too long time and continuously read pages within a block again and again #49
                      Open
                      Open
                      lx_nand_flash_open takes too long time and continuously read pages within a block again and again#49
                      Labels
                      bugSomething isn't working
                      Description
                      @kaotao
                      kaotao
                      opened on Jul 17, 2024
                      Describe the bug
                      
We have successfully making levelx working together with filex on a nxp 1052 board with a nand flash of 4Gb。We made out test program based on demo_filex_nand_flash.c. The performance especially lx_nand_flash_open is poor. After board startup and levelx & filex format, the first several times of lx_nand_flash_open consumes about several seconds, but later increases to more than 10 seconds and at last takes 30 seconds, which is too long( 12 seconds without logs on). Our nand spi clock speed is 40M HZ
                      Checking through the log, we found during lx_nand_flash_open, levelx will continuously read some pages within a block again and again(eg, read block 2047 pages 42 to 0, and then read block 2047 pages 42 to 2, and then read block 2047 pages 42 to 3 and keep on doing like this until read block 2047 pages 42 to 16). Can't levelx read pages within a block once and get all the required information, so as to increase performance? Meanwhile, i didn't find any cache function for nand flash.
                      Please also mention any information which could help others to understand
                      
the problem you're facing:
                      
We are using the latest levelx
                      
Maybe we will implement cache function for nand flash
                      To Reproduce
                      
After power on , levelx behaves all the same
                      levelx_performance_test.txt
                      Metadata
                      Metadata
                      Assignees
                      No one assigned
                        Labels
                        bugSomething isn't working
                        Type
                        No type
                        Projects
                        No projects
                          Milestone
                          No milestone
                          Relationships
                          None yet
                          Development
                          No branches or pull requests
                          Issue actions
                          
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

                          Skip to content
                          lx_nand_flash_open takes too long time and continuously read pages within a block again and again #49
                          Open
                          Open
                          lx_nand_flash_open takes too long time and continuously read pages within a block again and again#49
                          Labels
                          bugSomething isn't working
                          Description
                          @kaotao
                          kaotao
                          opened on Jul 17, 2024
                          Describe the bug
                          
We have successfully making levelx working together with filex on a nxp 1052 board with a nand flash of 4Gb。We made out test program based on demo_filex_nand_flash.c. The performance especially lx_nand_flash_open is poor. After board startup and levelx & filex format, the first several times of lx_nand_flash_open consumes about several seconds, but later increases to more than 10 seconds and at last takes 30 seconds, which is too long( 12 seconds without logs on). Our nand spi clock speed is 40M HZ
                          Checking through the log, we found during lx_nand_flash_open, levelx will continuously read some pages within a block again and again(eg, read block 2047 pages 42 to 0, and then read block 2047 pages 42 to 2, and then read block 2047 pages 42 to 3 and keep on doing like this until read block 2047 pages 42 to 16). Can't levelx read pages within a block once and get all the required information, so as to increase performance? Meanwhile, i didn't find any cache function for nand flash.
                          Please also mention any information which could help others to understand
                          
the problem you're facing:
                          
We are using the latest levelx
                          
Maybe we will implement cache function for nand flash
                          To Reproduce
                          
After power on , levelx behaves all the same
                          levelx_performance_test.txt
                          Metadata
                          Metadata
                          Assignees
                          No one assigned
                            Labels
                            bugSomething isn't working
                            Type
                            No type
                            Projects
                            No projects
                              Milestone
                              No milestone
                              Relationships
                              None yet
                              Development
                              No branches or pull requests
                              Issue actions
                              
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

                              Skip to content
                              lx_nand_flash_open takes too long time and continuously read pages within a block again and again #49
                              Open
                              Open
                              lx_nand_flash_open takes too long time and continuously read pages within a block again and again#49
                              Labels
                              bugSomething isn't working
                              Description
                              @kaotao
                              kaotao
                              opened on Jul 17, 2024
                              Describe the bug
                              
We have successfully making levelx working together with filex on a nxp 1052 board with a nand flash of 4Gb。We made out test program based on demo_filex_nand_flash.c. The performance especially lx_nand_flash_open is poor. After board startup and levelx & filex format, the first several times of lx_nand_flash_open consumes about several seconds, but later increases to more than 10 seconds and at last takes 30 seconds, which is too long( 12 seconds without logs on). Our nand spi clock speed is 40M HZ
                              Checking through the log, we found during lx_nand_flash_open, levelx will continuously read some pages within a block again and again(eg, read block 2047 pages 42 to 0, and then read block 2047 pages 42 to 2, and then read block 2047 pages 42 to 3 and keep on doing like this until read block 2047 pages 42 to 16). Can't levelx read pages within a block once and get all the required information, so as to increase performance? Meanwhile, i didn't find any cache function for nand flash.
                              Please also mention any information which could help others to understand
                              
the problem you're facing:
                              
We are using the latest levelx
                              
Maybe we will implement cache function for nand flash
                              To Reproduce
                              
After power on , levelx behaves all the same
                              levelx_performance_test.txt
                              Metadata
                              Metadata
                              Assignees
                              No one assigned
                                Labels
                                bugSomething isn't working
                                Type
                                No type
                                Projects
                                No projects
                                  Milestone
                                  No milestone
                                  Relationships
                                  None yet
                                  Development
                                  No branches or pull requests
                                  Issue actions