vault backup: 2023-04-17 21:15:05
This commit is contained in:
42
.obsidian/workspace.json
vendored
42
.obsidian/workspace.json
vendored
@@ -41,19 +41,7 @@
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"01. 個人/01. Daily/2023-04-17(週一).md",
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"04. Programming/OpenGL.md",
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@@ -1,29 +1,29 @@
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## 變焦
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| | Fujifilm<br>XF 16-80mm F4 R OIS WR | TAMRON<br>17-70mm F2.8 DiIII-A VC | Fujifilm<br>XF 18-120mm F4 LM PZ WR |
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|:------------------:|:----------------------------------:|:----------------------------------------------------------------------:|:---------------------------------------------------------------------:|
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| Length | 89mm | 119mm | 124mm |
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| Diameter | 78mm | 75mm | 77mm |
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| Weight | 440g | 525g | 460g |
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| Min Focus Distance | 0.35m | 0.39m | 0.6m |
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| Max Magnification | 0.25x | 0.2x | 0.2x |
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| Filter Thread | 72mm | 67mm | 72mm |
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| Weather-sealed | YES | NO | NO |
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| OIS | YES | YES | NO |
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| Bought | YES | | |
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| Store | | [easyps NT.21500](https://www.easyps.com.tw/product.php?m=&s=&id=6983) | [easyps NT.26000](https://www.easyps.com.tw/product.php?m=&s=&id=650) |
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| | Fujifilm<br>[XF 16-80mm F4 R OIS WR](https://fujifilm-x.com/global/products/lenses/xf16-80mmf4-r-ois-wr/) | TAMRON<br>[17-70mm F2.8 DiIII-A VC](https://www.tamron.com.tw/product/DiIII/B070/index.html) | Fujifilm<br>[XF 18-120mm F4 LM PZ WR](https://fujifilm-x.com/global/products/lenses/xf18-120mmf4-lm-pz-wr/) |
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|:------------------:|:---------------------------------------------------------------------------------------------------------:|:--------------------------------------------------------------------------------------------:|:-----------------------------------------------------------------------------------------------------------:|
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| Length | 89mm | 119mm | 124mm |
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| Diameter | 78mm | 75mm | 77mm |
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| Weight | 440g | 525g | 460g |
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| Min Focus Distance | 0.35m | 0.39m | 0.6m |
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| Max Magnification | 0.25x | 0.2x | 0.2x |
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| Filter Thread | 72mm | 67mm | 72mm |
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| Weather-sealed | YES | NO | NO |
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| OIS | YES | YES | NO |
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| Bought | YES | | |
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| Store | | [easyps NT.21500](https://www.easyps.com.tw/product.php?m=&s=&id=6983) | [easyps NT.26000](https://www.easyps.com.tw/product.php?m=&s=&id=650) |
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## 定焦
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| | TTArtisan<br>AF 27mm F2.8 XF | Fujifilm<br>XF 33mm F1.4 R LM WR | Sigma<br>56mm F1.4 DC DN |
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|:------------------:|:-------------------------------------------------------------------------------------:|:----------------------------------------------------------------------:|:------------------------:|
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| Length | | 74mm | 60mm |
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| Diameter | | 67mm | 67mm |
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| Weight | 93g | 360g | 280g |
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| Min Focus Distance | 0.35m | 0.3m | 0.5m |
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| Max Magnification | | 0.15x | 0.14x |
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| Filter Thread | 39mm | 58mm | 55mm |
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| Weather-sealed | NO | YES | YES |
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| OIS | NO | NO | NO |
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| Bought | YES | | YES |
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| Store | [easyps NT.3380](https://www.easyps.com.tw/product.php?m=133&s=0&t=0&id=9331&view=pc) | [easyps NT.23300](https://www.easyps.com.tw/product.php?m=&s=&id=3325) | |
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| | TTArtisan<br>[AF 27mm F2.8 XF](https://ttartisan.com/?AF-Lens/157.html) | Fujifilm<br>[XF 33mm F1.4 R LM WR](https://fujifilm-x.com/global/products/lenses/xf33mmf14-r-lm-wr/) | Sigma<br>[56mm F1.4 DC DN]((https://www.sigma.net.tw/lens/dn/56_14/index.html)) |
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|:------------------:|:-------------------------------------------------------------------------------------:|:----------------------------------------------------------------------------------------------------:|:-------------------------------------------------------------------------------:|
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| Length | | 74mm | 60mm |
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| Diameter | | 67mm | 67mm |
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| Weight | 93g | 360g | 280g |
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| Min Focus Distance | 0.35m | 0.3m | 0.5m |
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| Max Magnification | | 0.15x | 0.14x |
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| Filter Thread | 39mm | 58mm | 55mm |
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| Weather-sealed | NO | YES | YES |
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| OIS | NO | NO | NO |
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||||
| Bought | YES | | YES |
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||||
| Store | [easyps NT.3380](https://www.easyps.com.tw/product.php?m=133&s=0&t=0&id=9331&view=pc) | [easyps NT.23300](https://www.easyps.com.tw/product.php?m=&s=&id=3325) | |
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40
01. 個人/01. Daily/2023-04-16(週日).md
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40
01. 個人/01. Daily/2023-04-16(週日).md
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@@ -0,0 +1,40 @@
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---
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tags:
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aliases:
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date: 2023-04-17
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time: 20:55:20
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description:
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listenSummit: 0
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anki: 0
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readingSkill: 0
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readingCasual: 0
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深蹲: 60
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啞鈴: 46
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仰臥起坐: 0
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---
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時間：20:55:20
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### TAG
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---
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### 新增TODO
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#### 私事
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#### 公事
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---
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### 今日回顧
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睿睿的曙光考上了，算是放下了心中的一個重擔。另一個放不下心的是老婆的肝。
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看了好幾個禮拜之後，決定不買富士原廠的[XF56mmF1.2 R WR](https://www.fujifilm.com.tw/personal/digitalcamera/xf56mmf12-r-wr/)，決定買入[Sigma 56mm F1.4 DC DN C](https://www.sigma.net.tw/lens/dn/56_14/index.html)。
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雖然原廠的銳利度與光圈都比較優秀，但以我的使用情形與極端條件來看，綜合考量下來，優秀的程度與那相差f0.2的光圈並不值得那超過一半的價差。同樣公司貨，數位達人的報價原廠是29500，Sigma則是11800。
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這價差我多買一顆銘匠都還有剩。對！我也買了[銘匠 27mm f2.8](https://ttartisan.com/?AF-Lens/157.html)。
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目前有考慮的鏡頭都列在[[想要的鏡頭]]。
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33
01. 個人/01. Daily/2023-04-17(週一).md
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33
01. 個人/01. Daily/2023-04-17(週一).md
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@@ -0,0 +1,33 @@
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---
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tags:
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aliases:
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date: 2023-04-17
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time: 21:09:50
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description:
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||||
listenSummit: 0
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||||
anki: 0
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||||
readingSkill: 0
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||||
readingCasual: 0
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||||
深蹲: 0
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||||
啞鈴: 0
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仰臥起坐: 0
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---
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時間：21:09:50
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### TAG
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---
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### 新增TODO
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#### 私事
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#### 公事
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---
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### 今日回顧
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今天學會了怎麼用OpenCL來取代CPU code，詳細寫在[[OpenCL]]。
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@@ -164,9 +164,23 @@ if (err != CL_SUCCESS) {
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```
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第一個參數是[[OpenCL#6. 建立 kernel]]所建立的kernel。
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第二個參數是偏移量，我們假設它在所有維度上都是 0。`cl::NullRange` 對象將滿足該 0 規範。
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**第三個參數是全局大小，它指定希望執行與內核對象K**關聯的內核源代碼中指定的工作項
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第三個參數是**全局大小，它指定希望執行與內核對象K**關聯的內核源代碼中指定的工作項
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第四個參數是本地大小，它指定應將多少工作項分組到一個工作組中。
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重點在於第三個參數，因為 GPU 可以平行運算，這裡指定說我們的資料需要幾個
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重點在於第三個參數，因為 GPU 可以平行運算，這裡指定平行運算的數量。
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## 11. 讀回資料
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## 11. 讀回資料
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```cpp
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grayHistogram.resize(sizeof(uint32_t) * 256);
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err = queue.enqueueReadBuffer(clGrayHistogram, CL_TRUE, 0, 256 * sizeof(uint32_t), grayHistogram.data());
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if (err != CL_SUCCESS) {
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printf("OpenCL read clGrayHistogram error.\n");
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}
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```
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第一行的 `grayHistogram` 是讀回 CPU 的記憶體。
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[`enqueueReadBuffer`](https://registry.khronos.org/OpenCL/sdk/1.2/docs/man/xhtml/clEnqueueReadBuffer.html)的參數解釋：
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第一個參數就是[[OpenCL#8. 建立 `cl::Buffer`]]所建立的其中一個 buffer。
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第二個參數指定是否 **blocking_read**。
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第三個參數是 `cl::Buffer` 的偏移量。
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第四個參數要讀取的長度。
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第五個參數是要寫入的 memory address。
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