A lot of time to multiply two arrays

Hello!
I want to multiply two arrays. The size of the two arrays is 1568x1568. I use to do it a AxB.vi block....but it spends a huge time, almost 17 seconds, when a operation like this have to be done it less than in a second.
I 've attached an example of the multiplication of two arrays with this size, you have to wait 16 seconds to obatin the result.
Someone know how i can do this multiplication as far as possible?I have to use another block.....for example....formula node and make iterations (or in this way you spend the same time?)
Thank you very much
Larson

Nomis wrote:
On my system (P4, 2.6GHz, 1GB Ram Win2K), the example runs in 19 seconds in LV7.0 but in 7.1 it runs in 300mS!
No idea why - perhaps the AxB function was rewritten for 7.1
Yes the matrix operations got a big makeover in LabVIEW 7.1 and are MUCH faster as demonstrated here.
On my 1.6GHz PentiumM laptop, the difference is not that big, but still about 10x.
LabVIEW 7.0: 3700ms
LabVIEW 7.1: 360ms
Time to upgrade!
LabVIEW Champion . Do more with less code and in less time .

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However, I enouther another problem while dealing with an array of U16 type. I would like to extract the high and low byte from numbers (U16) stored in array. I extract the high and low byte for each U16 number and convert them as char, concatenate them to a string. Repeat this process for each element in the array so to get a big string with each element is a char for high and low byte. My code is enclosed as follows
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Solved!
Go to Solution.

PKIM wrote:
However, I enouther another problem while dealing with an array of U16 type. I would like to extract the high and low byte from numbers (U16) stored in array. I extract the high and low byte for each U16 number and convert them as char, concatenate them to a string. Repeat this process for each element in the array so to get a big string with each element is a char for high and low byte. My code is enclosed as follows
It works fine but I am concerning the speed. Is that any other way to do it fast and don't use loop (in real case, I will deal with pretty big array many times, efficiency is a problem). Note that the high and low bytes array extracted from the original array with the module Split number.vi, but how can I combine these two array in one code with data arranged as high-low-high-low ... ? Thanks.
You need to be more clear.
Looking at the code, you are dealing with I16, not U16. Also your index array primitives could be replaced by autoindexing. Your use of the feedback node only makes sense if you want to append strings forever with stale data, thus growing data structures without limits. If you only want to convert the current data, remove the feedback mode and use a "concatenate strings" with a single input. A for loop is one of the most efficient data structures and using it is not a problem. One way or another the code needs top oerate on all data.
All that said, I agree with Tim that most likely all you need to do is insert a typecast after the "to I16" and eliminate all other code.
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<tr>
<td class="leadSpacerCell"></td>
<td class="bodymdbold"><bean:message key='label.item'/>: </td>
<td><form:text size="15" property="applyId"/>  </td>
<td class="bodymdbold"><bean:message key='label.quantity'/>: </td>
<td><form:text size="8" maxlength="8" property="applyQty" />  </td>
<rsw:display displayElementName="rtv_reason">
<td style="display:none" class="bodymdbold"><bean:message key='label.inventory_status'/>: </td>
<td style="display:none">
<form:select property="selectedInventoryStatus" onchange="selectFromInvStatus();">
<form:options name="rtvVsatShipmentForm" property="inventoryStatusCodes"
labelProperty="inventoryStatusDescriptions" />
</form:select>
</td>
<td class="bodymdbold"><bean:message key='label.reason_code'/>: </td>
<td>
<select name="applyReasonCode">
<%-- <logic:iterate name="rtvVsatShipmentForm" property="rtvReasons" id="reason">
<option value="<bean:write name="reason" property="code"/>">
<bean:write name="reason" property="description"/>
</option>
</logic:iterate>
--%>
</select>
</td>
</rsw:display>
</tr>
<tr>
<td class="leadSpacerCell"></td>
<td class=bodymd>
<a class="genericLink" href="" onClick="handleItemLookup(); return false"><bean:message key='link.item'/></a>
</td>
</tr>
<tr>
<td class="leadSpacerCell"></td>
<td colspan="9" align="left">
<br>
<input type="submit"
value="<bean:message key='button.apply'/>"
onClick="handleApply();return false;">
<input type="button" value="Clear" onclick="clearFields()";></td>
</tr>
<tr>
<td class="spacerCell">
</td>
</tr>
<tr>
<td class="horizontalWhiteLine" colspan="10"></td>
</tr>
</table>
<table class="bgColor" width="700" cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="spacerCell">
</td>
</tr>
<tr>
<td><rsw:errors/></td>
</tr>
</table>
<div id="item_list_div">
</div>
<table width="700" cellpadding="0" cellspacing="0" border="0" class="bgColor">
<tr>
<td class="spacerCell"></td>
</tr>
<tr>
<td>
<table width="700" cellpadding="0" cellspacing="0" border="0" class="bgColor">
<tr>
<td class="bodymdbold" align="right" nowrap><div id="total_amt_div"></div></td>
</tr>
</table>
</td>
</tr>
<tr>
<td class="spacerCell"></td>
</tr>
<tr>
<td class="horizontalLine" colspan="3"></td>
</tr>
</table>
<table cellpadding="0" cellspacing="0" border="0" width="700">
<tr>
<td class="spacerCell"></td>
</tr>
<tr>
<td class="leadSpacerCell">
</td>
<td align="left">
<input type="button" value="<bean:message key='button.next'/>"
onclick="next();">
<input type=button value="<bean:message key='button.back'/>"
onclick="doBack();">
<input type=button value="<bean:message key='button.cancel'/>"
onclick="doSubmit('main', 'main.do');">
</td>
</tr>
</table>
</form:form>
<div id="log"></div>
</body>

<jsp:include page="/elements/bottom_banner2.jsp" flush="true"/>
<script language="JavaScript" type="text/javascript">
function handleAction(retVal,position)
if (retVal != null)
var command = retVal["command"];
if (command == "OK")
updateArray(retVal["id"],
formatQuantityFromVar(retVal["qty"]), true,
<rsw:display displayElementName="rtv_reason">
retVal["inventoryStatusCode"],
retVal["inventoryStatusName"],
retVal["reasonCode"],
retVal["reasonDescription"],
</rsw:display>
<rsw:display_false displayElementName="rtv_reason">
null, null, null, null,
</rsw:display_false>
position);
totalAmounts();
if (command == "Remove")
deleteRow(position);
writeTable(false);
totalAmounts();
function showEditWindow(sku, qty,
<rsw:display displayElementName="rtv_reason">
inventoryStatusCode, reasonCode,
</rsw:display>
position)
if(!acquireFakeLock()) return;
var elements = editWindowDiv.document.all;
elements("editWindowId").value=sku;
elements("editWindowQty").value = qty;
<rsw:display displayElementName="rtv_reason">
elements("editWindowInventoryStatusCode").value = inventoryStatusCode;
elements("hiddenReasonCode").value = reasonCode;
</rsw:display>
var retVal;
// if (IE6)
retVal = window.showModalDialog("popup.jsp", editWindowDiv,
"dialogWidth:335px;dialogHeight:230px;scroll:no;status:no;unadorned:no");
else
retVal = window.showModalDialog("javascript:document.write(window.dialogArguments.innerHTML);editWindowInit();",editWindowDiv,
"dialogWidth:335px;dialogHeight:230px;scroll:no;status:no;unadorned:no");
handleAction(retVal,position);
     releaseFakeLock();
function updateArray(itemNumber, itemQty, fromEditWindow,
inventoryStatusCode, inventoryStatusName,
reasonCodeId, reasonCodeName, position, supplierCost)
if (((rtvEntryArray[position].reasonCodeId != reasonCodeId)
&& arrayContainsItem(itemNumber, reasonCodeId))
     ||
     ((rtvEntryArray[position].itemNumber != itemNumber)
     && arrayContainsItemsExceptPos(itemNumber, reasonCodeId, position)))
deleteRow(position);
setItemQtyReasonArray(itemNumber, itemQty, reasonCodeId, reasonCodeName, supplierCost);
else
var rtvEntry = new Object();
rtvEntry.itemNumber = itemNumber;
rtvEntry.itemQty = itemQty;
rtvEntry.inventoryStatusCode = inventoryStatusCode;
rtvEntry.inventoryStatusName = inventoryStatusName;
rtvEntry.reasonCodeId = reasonCodeId;
rtvEntry.reasonCodeName = reasonCodeName;
rtvEntry.supplierCost = supplierCost;
rtvEntry.valid = rtvEntryArray[position].valid;
rtvEntryArray[position] = rtvEntry;
writeTable();
</script>
<div id="editWindowDiv" style="display:none">
<html>
<head>
<style type="text/css">
.titleTxt { font-size: 12 ; font-style: italic ; font-weight: bold; color: white ; font-family: arial }
.bodymd {color: #000000; font-family: arial; font-size: 10pt; text-decoration: none}
.bodymdbold {color: #000000; font-family: arial; font-size: 10pt; text-decoration: none; font-weight: bold}
.bgColor { background-color: #efefef }
</style>
<title><bean:message key="title.edit_window" /></title>
<script language="JavaScript">
function handleOk()
if (checkQuantityGreaterThenZero(document.editPopupForm.editWindowQty))
var returnArray = new Array();
returnArray["id"] = document.editPopupForm.editWindowId.value;
returnArray["qty"] = document.editPopupForm.editWindowQty.value;
<rsw:display displayElementName="rtv_reason">
returnArray["inventoryStatusCode"] = document.editPopupForm.editWindowInventoryStatusCode.options[document.editPopupForm.editWindowInventoryStatusCode.selectedIndex].value;
returnArray["inventoryStatusName"] = document.editPopupForm.editWindowInventoryStatusCode.options[document.editPopupForm.editWindowInventoryStatusCode.selectedIndex].text;
returnArray["reasonCode"] = document.editPopupForm.editWindowReasonCode.options[document.editPopupForm.editWindowReasonCode.selectedIndex].value;
returnArray["reasonDescription"] = document.editPopupForm.editWindowReasonCode.options[document.editPopupForm.editWindowReasonCode.selectedIndex].text;
</rsw:display>
returnArray["command"] = "OK";
window.returnValue = returnArray;
window.close();
function handleCancel()
window.close();
function handleRemove()
var returnArray = new Array();
returnArray["command"] = "Remove";
window.returnValue = returnArray;
window.close();
function init()
document.title = "<bean:message key="title.edit_window" />";
document.editPopupForm.editWindowQty.focus();
<rsw:display displayElementName="rtv_reason">
createReasonOptionObjects();
setReasonOptions();
document.editPopupForm.editWindowReasonCode.value = document.editPopupForm.hiddenReasonCode.value;
</rsw:display>
<rsw:display displayElementName="rtv_reason">
function setReasonOptions()
var currentOptions;
document.editPopupForm.editWindowReasonCode.options.length = 0;
if (document.editPopupForm.editWindowInventoryStatusCode.value == "AVAILABLE")
currentOptions = availableOptions;
else
currentOptions = unavailableOptions;
for (var i = 0; i < currentOptions.length; i++)
document.editPopupForm.editWindowReasonCode.options.add(currentOptions[i]);
</rsw:display>
var availableOptions = new Array();
var unavailableOptions = new Array();
<rsw:display displayElementName="rtv_reason">
function createReasonOptionObjects()
var oOption;
<logic:iterate name="rtvVsatShipmentForm" property="availableInventoryStatusReasons" id="reason">
oOption = document.createElement("OPTION");
oOption.value = "<bean:write name="reason" property="code"/>";
oOption.text = "<bean:write name="reason" property="description"/>";
availableOptions[availableOptions.length] = oOption;
</logic:iterate>
<logic:iterate name="rtvVsatShipmentForm" property="unavailableInventoryStatusReasons" id="reason">
oOption = document.createElement("OPTION");
oOption.value = "<bean:write name="reason" property="code"/>";
oOption.text = "<bean:write name="reason" property="description"/>";
unavailableOptions[unavailableOptions.length] = oOption;
</logic:iterate>
</rsw:display>
</script>
<%@ include file="rsw_functions.jsp" %>
</head>
<body leftmargin="0" topmargin="0" style="border:4px ridge lightgrey">
<span style="margin-top:0;margin-left:0,margin-bottom:0;margin-right:0">
<table cellspacing="0" cellpadding="0" border="0" bordercolor="#000000" width="330">
<tr>
<td bgcolor="#ff9999" width="100%" height="1" colspan="2"></td>
</tr>
<tr>
<td bgcolor="#ff0000" height="15" align="left"><span
class=titleTxt> <bean:message key="label.edit" /> </span></td>
<td bgcolor="#ff0000" height="15" align="right"><span
class="titleTxt"><bean:message key="label.application_title" />   </span></td>
</tr>
<tr>
<td bgcolor="#000000" width="100%" height="1" colspan="2"></td>
</tr>
</table>
</span>
<form name="editPopupForm" style="margin-top:0;margin-left:0,margin-bottom:0;margin-right:0"
onsubmit="handleOk();return false;">
<input type="hidden" name="editWindowPosition" value="">
<input type="hidden" name="hiddenReasonCode" value="">
<table cellspacing='0' class='bgColor' cellpadding='0' border='0' width='330'>
<tr><td> </td></tr>
<tr>
<td class='bodymd'>  <bean:message key='label.item'/>:</td>
<td class='bodymd'><input type="text" name="editWindowId" value="[id]" ></td>
</tr>
<tr>


<td class='bodymd'>  <bean:message key='label.return_quantity'/>:</td>

<td class='bodymd'><input type="text" maxlength="8" name="editWindowQty" value="[qty]"></td>
</tr>
<rsw:display displayElementName="rtv_reason">
<tr>
<td style="display:none" class='bodymd'>  <bean:message key='label.inventory_status'/>:</td>
<td style="display:none" class='bodymd'><select name="editWindowInventoryStatusCode" onchange="setReasonOptions();">
<option value="AVAILABLE"><bean:message key="label.available"/></option>
<option value="UNAVAILABLE"><bean:message key="label.unavailable"/></option>
</select></td>
</tr>
<tr>
<td class='bodymd'>  <bean:message key='label.reason_code'/>:</td>
<td class='bodymd'><select name="editWindowReasonCode">
<logic:iterate name="rtvVsatShipmentForm" property="rtvReasons" id="editWindowReason">
<option value="<bean:write name="editWindowReason" property="code"/>">
<bean:write name="editWindowReason"

God Lord! Does anyone else here write JSPs that look like that?
If I had to maintain that I would shoot myself straight in the temple.
Sorry, I don't have answer to your question, I just had to say that.
Do you like your job?

Quicktime takes a lot of time to open after last Quicktime or iTunes update

I have actually no big problems, but its a bit annoying that Quicktime Player takes a lot of time (maybe twice as before) for opening a Quicktime file (mp3 or video file, it doesnt matter).. I think this situation arised after the last Quicktime update or the update before this I dont know for sure. I think the last Quicktime update.. I am using the latest Quicktime which is 7.6 and its Tiger (10.4.11). When Quicktime Player is not opened, and its getting opened for the first time by clicking for instance on a mp3 file, it takes more then 10 seconds to open up, when I click the file Quicktime Player bounces normally as always but then the spinning rainbow beachball is shown for more then 10 seconds before the player window appears. There is no delay when I go open a mp3 from another mp3. The delay occurs only when Quicktime Player is not opened yet (quit/closed) and you click on a Quicktime file then the delay happens during the opening of the player.. Sometimes it doesnt even open the file I clicked, but only Quicktime Player so I have to click the same file again..
What I tried is :
deleted all Quicktime player preference files.. Didnt help
removed all plugins from the Quicktime library.. Didnt help either
What could the problem possibly be? What can I do to recover it except for installing my system all over again? Will Apple fix this problem with the next update?
PS: I dont exclude that the latest iTunes update (8.1) can be a cause of this problem. Do you know if the iTunes update also changed/updated something regards Quicktime (Player)?

Why is an Archive & Install not an option for you? It does NOT delete your applications or your settings, and is NOT the same as an Erase & Install which does.
In my opinion it will be the only way to get your old G3 working properly again.
How to Archive & Install:
http://docs.info.apple.com/article.html?artnum=107120
This document explains how to correctly reinstall a prior version of Mac OS X in the event that other troubleshooting does not resolve an issue:
http://docs.info.apple.com/article.html?artnum=25404
BUT: Don't install older versions of Mac OS than what comes with your computer:
http://support.apple.com/kb/HT2186?viewlocale=en_US
Will Apple fix this problem with the next update?
For 99.9% of users there is no problem to fix.
But before doing your archive and install, when did you last perform a bit of maintenance?
Repairing permissions is important, and should always be carried out both before and after any software installation or update.
Go to Disk Utility (this is in your Utilities Folder in your Application folder) and click on the icon of your hard disk (not the one with all the numbers).
In First Aid, click on Repair Permissions.
This only takes a minute or two in Tiger, but much longer in Leopard.
Background information here:
http://docs.info.apple.com/article.html?artnum=25751
and here:
http://docs.info.apple.com/article.html?artnum=302672
An article on troubleshooting Permissions can be found here:
http://support.apple.com/kb/HT2963
By the way, you can ignore any messages about SUID or ACL file permissions, as explained here:
http://support.apple.com/kb/TS1448?viewlocale=en_US
If you were having any serious problems with your Mac you might as well complete the exercise by repairing your hard disk as well. You cannot do this from the same start-up disk. Reboot from your install disk (holding down the C key). Once it opens, select your language, and then go to Disk Utility from the Utilities menu. Select your hard disk as before and click Repair.
Once that is complete reboot again from your usual start-up disk.
More useful reading here:
Resolve startup issues and perform disk maintenance with Disk Utility and fsck
http://support.apple.com/kb/TS1417?viewlocale=en_US

Minus takes a lot of time

Hi all,
My problem is as follows.
I made a mapping that in less then a minute populated on of my tables. Then I change it to, before inserting, make a minus with target table, it works fine and takes almost the same time to populate the table, except when the target table is empty, in this case it takes four hours.
If I take the minus it runes ok!
What could be the problem?
Owb 9.2
Oracle database 9.2
Thanks,
Vitor.

I have a splitter control that makes some records to be inserted in a table and some other's to be updated (complex condition to update needed), after the splitter on the flow that will insert i'm making a Minus between this records and the target table (selection MINUS target). When target table is empty it takes a lot of time.
I edited the mapping PL/SQL and try to execute the cursor created to this same flow and it takes the same time. I guess my problem is that the original select is made just for the records that doesn't exist in target table (that's for insert, uses all record's for update). When the target table has most of the records it will select few on the source (to insert) and minus run much faster.
What is odd is that just Original select goes in a few seconds and the minus takes all the time, but i just got 20000 records with 4 small columns, two of them numbers. And target table is empty!!!
I have made several other MINUS instruction in some other databases much more heavy to the system and worked real fast.
Could it be database configuration?
Thanks,
Vitor

A large universe takes a lot of time to be opened in Designer

Hi All.
When opening a large universe (I can't tell at the moment how large...) it takes a lot of time to open it. a lot of time can be up to two hours (I guess even more).
Well, I have been told that there's a way to open universe in Designer without the Designer verifying objects/tables/whatever in the opened universe, and that can help me open it quickly.
Does anybody knows how to do it ?
Thanks you very much
Ehud.

Hello,
can you tell us what is the size of this Universe in terms of:
number of tables, number of objects, size of the .unv file?
Also, is this behaviour specific to this universe or you have other universes having the same problem?
Last, are you 'opening it' as in File/Open or importing it as in 'File/Import...' ?
Thanks
PPaolo

Why does my iPod touch take a lot of time to update and download apps? I got the one of the fastest wifi

Why does my iPod touch take a lot of time to update and download apps? I got the one of the fastest wifi

Try this:
Close all apps in the Task Bar. Double-click the Home button and hold apps down for a second or two. Tap the minus sign to close app.

Select query is taking lot of time to fetch data.....

Select query is taking lot of time to fetch data.
    SELECT algnum atanum abdatu abzeit abname abenum bmatnr bmaktx bqdatu bqzeit bvlenr bnlenr bvltyp bvlber b~vlpla
           bnltyp bnlber bnlpla bvsola b~vorga INTO TABLE it_final FROM ltak AS a
                   INNER JOIN ltap AS b ON btanum EQ atanum AND algnum EQ blgnum
                   WHERE a~lgnum = p_whno
                   AND a~tanum IN s_tono
                   AND a~bdatu IN s_tocd
                   AND a~bzeit IN s_bzeit
                   AND a~bname IN s_uname
                   AND a~betyp = 'P'
                   AND b~matnr IN s_mno
                   AND b~vorga <> 'ST'.
Moderator message: Please Read before Posting in the Performance and Tuning Forum
Edited by: Thomas Zloch on Mar 27, 2011 12:05 PM

Hi Shiva,
I am using two more select queries with the same manner ....
here are the other two select query :
***************1************************
SELECT * APPENDING CORRESPONDING FIELDS OF TABLE tbl_summary
    FROM ztftelpt LEFT JOIN ztfzberep
     ON ztfzberep~gjahr = st_input-gjahr
     AND ztfzberep~poper = st_input-poper
     AND ztfzberepcntr = ztftelptrprctr
    WHERE rldnr = c_telstra_projects
      AND rrcty = c_actual
      AND rvers = c_ver_001
      AND rbukrs = st_input-bukrs
      AND racct = st_input-saknr
      AND ryear = st_input-gjahr
      and rzzlstar in r_lstar
      AND rpmax = c_max_period.
and the second one is
*************************2************************
SELECT * APPENDING CORRESPONDING FIELDS OF TABLE tbl_summary
    FROM ztftelnt LEFT JOIN ztfzberep
     ON ztfzberep~gjahr = st_input-gjahr
     AND ztfzberep~poper = st_input-poper
     AND ztfzberepcntr = ztftelntrprctr
    WHERE rldnr = c_telstra_networks
      AND rrcty = c_actual
      AND rvers = c_ver_001
      AND rbukrs = st_input-bukrs
      AND racct = st_input-saknr
      AND ryear = st_input-gjahr
      and rzzlstar in r_lstar
      AND rpmax = c_max_period.
for both the above table program is taking very less time .... although both the table used in above queries have similar amount of data. And i can not remove the APPENDING CORRESPONDING. because i have to append the data after fetching from the tables. if i will not use it will delete all the data fetched earlier.
Thanks on advanced......
Sourabh

Adding two arrays together

I am trying to add two arrays together, it does not seem as if the arrays are broken up into more than one index. I have attached my code. If the array is broken up into indexes I would like to add each corresponding index, but I think the array is all in just one index and if so I was wondering how would I break it into indexes. Thanks
Attachments:
SimpleTest x1.vi ‏336 KB

Since you are "transposing" and later work with 1D array, I assume you want to read the first column of the file.
Why do you need a sequence stacked 5 frames deep, local variables, 5 instances of the same boolean diagram constant and 5 path conststants of which some are identical??? None of this is needed!
All you need is probably something along the lines of the following picture, which probably does something similar to what you want. Still, we are probably still jumping through too many flaming hoops. Note that the execution order is uniquely defined by the wiring alone, no sequence needed! Can you take a step back and tell us what you are actually trying to achieve with all this? How many columns are in the file? Only one?
Message Edited by altenbach on 01-27-2009 04:02 PM
LabVIEW Champion . Do more with less code and in less time .
Attachments:
AddArraysFromFile.png ‏13 KB

Writing two arrays to a Excel Spreadsheet

Guru's
I am trying to take information from two arrays and write them to a spreadsheet. One array generates the headers information for the columns, the other array is a random number generator. The number of columns and rows are input from the front panel. The first column of the chart is time at some multiple (interval) input from the front panel
The problem I am having is timing the data out of the loop at the same time so they write together. One loop writes first and the other is left out. The data is going out to an excel spreadsheet. The data is correct for the headers and the columns, but won't write together.
I have only been using LabView for six weeks and have spent a good portion of this weekend working on this problem.
Attached are screen shots and the .vi of the problem. Explanations of each loop are writen in the block diagram.
Thank you for your time and help!!
Newbie2
Attachments:
writing to excel problem.doc ‏195 KB
Writing to excel problem.vi ‏27 KB

First let's talk about the code flaws:
Placing a text decoration over a path constant does not turn it into a valid path constant.
All your controls belong outside the loop, because it would be really bad if they could change during running of the loop. This is also less work, because LabVIEW does not need to re-inspect the control during each iteration.
Your while loop should be a FOR loop because the number of iteration can be calculated before the loop starts. This eliminates checking for termination.
You are not writing any excel files. You are just writing an ASCII table, but you possibly force excel to open it via a fake file extension. (this might be OK, but make sure to NEVER save it later as excel or the file structure would change dramatically).
"# of rows" and "# of machines" should be integers (blue).
Don't be afraid to brance a wire. You don't need any local variables if you do so.
To determine the order in which the segments are written to the file can be determined by dataflow if you wire it correctly. Wire the path to the write function that needs to write first. Then use the path output of this function and wire it to the next instance. Now the second instance must wait until the first one is finished.
(Currently you are branching the path wire, and the execution order is random!)
LabVIEW Champion . Do more with less code and in less time .

A lot of time to multiply two arrays

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