Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Contribute to GitLab
Sign in / Register
Toggle navigation
P
ParaEncode
Project
Project
Details
Activity
Cycle Analytics
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Charts
Issues
0
Issues
0
List
Board
Labels
Milestones
Merge Requests
0
Merge Requests
0
CI / CD
CI / CD
Pipelines
Jobs
Schedules
Charts
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Charts
Create a new issue
Jobs
Commits
Issue Boards
Open sidebar
Linshizhi
ParaEncode
Commits
54e035a3
Commit
54e035a3
authored
Apr 25, 2022
by
Linshizhi
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
Test with module worker.
parent
50ffd1cc
Show whitespace changes
Inline
Side-by-side
Showing
3 changed files
with
33 additions
and
121 deletions
+33
-121
channel.js
src/channel.js
+18
-11
WWGroup.spec.js
tests/WWGroup.spec.js
+6
-7
channelWW.js
tests/workers/channelWW.js
+9
-103
No files found.
src/channel.js
View file @
54e035a3
import
{
WW
}
from
'./WW.js'
;
import
{
assert
}
from
'./utils.js'
;
class
CpySchedule
{
...
...
@@ -36,7 +35,6 @@ export class Channel {
#
size
=
0
;
#
totalSize
=
0
;
#
WW
=
undefined
;
#
shMem
=
undefined
;
#
view
=
undefined
;
#
buffer
=
undefined
;
...
...
@@ -47,28 +45,37 @@ export class Channel {
// size's unit is byte
// bufferType parameter is mainly for testability.
constructor
(
size
,
bufferType
=
SharedArrayBuffer
)
{
constructor
(
size
,
bufferType
=
SharedArrayBuffer
,
shMem
=
null
)
{
assert
(
size
>=
2
,
`Channel require its data area has at least 2 Bytes.`
)
this
.
#
WW
=
WW
;
this
.
#
size
=
size
;
// Init shared memory
this
.
#
metaSize
=
this
.
#
rFieldPosLen
+
this
.
#
wFieldPosLen
+
this
.
#
priFieldLen
;
this
.
#
shMem
=
new
bufferType
(
size
+
this
.
#
metaSize
);
this
.
#
shMem
=
shMem
==
null
?
new
bufferType
(
size
+
this
.
#
metaSize
)
:
shMem
;
this
.
#
view
=
new
DataView
(
this
.
#
shMem
);
this
.
#
buffer
=
new
Uint8Array
(
this
.
#
shMem
);
if
(
shMem
==
null
)
{
this
.
#
writePointerCache
=
this
.
#
metaSize
;
this
.
#
readPointerCache
=
this
.
#
metaSize
;
this
.
#
size
=
size
;
this
.
#
totalSize
=
this
.
#
metaSize
+
this
.
#
size
;
this
.
#
endPos
=
this
.
#
metaSize
+
this
.
#
size
;
// Init readPointer and writePointer to
// the first bytes of data area.
this
.
#
view
.
setUint32
(
0
,
this
.
#
writePointerCache
);
this
.
#
view
.
setUint32
(
4
,
this
.
#
readPointerCache
);
}
else
{
this
.
#
writePointerCache
=
this
.
#
getWritePointer
();
this
.
#
readPointerCache
=
this
.
#
getReadPointer
();
}
this
.
#
size
=
size
;
this
.
#
totalSize
=
this
.
#
metaSize
+
this
.
#
size
;
this
.
#
endPos
=
this
.
#
metaSize
+
this
.
#
size
;
}
#
getReadPointer
()
{
...
...
tests/WWGroup.spec.js
View file @
54e035a3
...
...
@@ -131,7 +131,7 @@ describe("Channel Spec", () => {
it
(
"Transfer 64 MB to WebWorker"
,
async
()
=>
{
let
url
=
new
URL
(
'./workers/channelWW.js'
,
import
.
meta
.
url
),
ret
=
true
;
let
channel
=
new
Channel
(
Math
.
pow
(
2
,
1
0
));
let
channel
=
new
Channel
(
Math
.
pow
(
2
,
2
0
));
let
worker
=
new
Worker
(
url
,
{
type
:
'module'
});
let
sended
=
0
;
...
...
@@ -139,9 +139,9 @@ describe("Channel Spec", () => {
[...
Array
(
getRandomInt
(
Math
.
pow
(
2
,
10
))).
keys
()]);
let
cur
=
0
;
let
size
=
Math
.
pow
(
2
,
15
);
let
rBuffer
=
new
Uint8Array
(
Math
.
pow
(
2
,
16
));
let
sBuffer
=
new
Uint8Array
(
Math
.
pow
(
2
,
16
));
let
size
=
Math
.
pow
(
2
,
26
);
let
rBuffer
=
new
Uint8Array
(
Math
.
pow
(
2
,
27
));
let
sBuffer
=
new
Uint8Array
(
Math
.
pow
(
2
,
27
));
worker
.
postMessage
(
channel
.
getShMem
());
...
...
@@ -174,17 +174,16 @@ describe("Channel Spec", () => {
// Wait for Web Worker
await
new
Promise
(
r
=>
{
setInterval
(()
=>
{
console
.
log
(
cur
,
sended
);
if
(
cur
==
sended
)
{
r
();
}
},
10
);
},
10
0
);
},
100000
);
worker
.
terminate
();
expect
(
areEqual
(
rBuffer
,
sBuffer
)).
toBe
(
true
);
},
10000
0
);
},
10000
);
});
...
...
tests/workers/channelWW.js
View file @
54e035a3
class
ChannelReader
{
#
rFieldPosLen
=
4
;
#
wFieldPosLen
=
4
;
#
privFieldLen
=
4
;
#
metaSize
=
this
.
#
rFieldPosLen
+
this
.
#
wFieldPosLen
+
this
.
#
privFieldLen
;
#
readPos
=
0
;
#
buffer
=
null
;
#
view
=
null
;
#
shMem
=
null
;
/* Buffer should follow the specification
* of Channel in src/encGroup.js */
constructor
(
shMem
)
{
this
.
#
shMem
=
shMem
;
this
.
#
buffer
=
new
Uint8Array
(
this
.
#
shMem
);
this
.
#
view
=
new
DataView
(
this
.
#
shMem
);
this
.
#
readPos
=
this
.
#
view
.
getUint32
(
0
);
}
readPriv
()
{
return
[
this
.
#
view
.
getUint8
(
8
),
this
.
#
view
.
getUint8
(
9
),
this
.
#
view
.
getUint8
(
10
),
this
.
#
view
.
getUint8
(
11
),
];
}
writePriv
(
privData
)
{
if
(
!
(
privData
instanceof
Array
)
||
privData
.
length
>
this
.
#
privFieldLen
)
{
throw
new
Error
(
"Invalid Private datas"
);
}
for
(
let
i
=
8
;
i
<
12
;
++
i
)
{
this
.
#
view
.
setUint8
(
i
);
}
}
readData
(
size
)
{
let
writePos
=
this
.
#
writePos
();
let
readTo
=
0
,
readBuffer
=
null
;
if
(
this
.
#
readPos
==
writePos
)
{
return
new
Uint8Array
(
0
);
}
else
if
(
this
.
#
readPos
<
writePos
)
{
readTo
=
this
.
#
readPos
+
Math
.
min
(
size
,
writePos
-
this
.
#
readPos
);
readBuffer
=
this
.
#
buffer
.
slice
(
this
.
#
readPos
,
readTo
);
this
.
#
readPosUpdate
(
readTo
);
}
else
{
// Read two times
let
firstRSize
=
Math
.
min
(
size
,
this
.
#
buffer
.
byteLength
-
this
.
#
readPos
);
let
secondRSize
=
firstRSize
<
size
?
size
-
firstRSize
:
0
;
secondRSize
=
Math
.
min
(
secondRSize
,
writePos
-
this
.
#
metaSize
);
readBuffer
=
new
Uint8Array
(
firstRSize
+
secondRSize
);
// First read
readBuffer
.
set
(
this
.
#
buffer
.
slice
(
this
.
#
readPos
,
this
.
#
readPos
+
firstRSize
),
0
);
// Second Read
if
(
secondRSize
>
0
)
{
readBuffer
.
set
(
this
.
#
buffer
.
slice
(
this
.
#
metaSize
,
this
.
#
metaSize
+
secondRSize
),
firstRSize
);
this
.
#
readPosUpdate
(
this
.
#
metaSize
+
secondRSize
);
}
else
{
let
newPos
=
this
.
#
readPos
+
firstRSize
;
newPos
=
newPos
==
this
.
#
buffer
.
byteLength
?
this
.
#
metaSize
:
newPos
;
this
.
#
readPosUpdate
(
newPos
);
}
}
return
readBuffer
;
}
#
writePos
()
{
return
this
.
#
view
.
getUint32
(
4
);
}
#
readPosUpdate
(
pos
)
{
this
.
#
readPos
=
pos
;
this
.
#
view
.
setUint32
(
0
,
pos
);
}
};
let
chnlReader
=
null
;
let
init
=
false
;
import
{
Channel
}
from
'../src/channel.js'
;
async
function
sleep
(
ms
)
{
await
new
Promise
(
r
=>
setTimeout
(()
=>
r
(),
ms
));
}
// Init
onmessage
=
async
e
=>
{
if
(
!
init
)
{
chnlReader
=
new
ChannelReader
(
e
.
data
);
}
async
function
main
(
mem
)
{
let
chnlReader
=
new
Channel
(
Math
.
pow
(
2
,
10
),
SharedArrayBuffer
,
mem
);
let
ret
=
true
;
let
rSize
=
Math
.
pow
(
2
,
10
);
...
...
@@ -125,4 +25,10 @@ onmessage = async e => {
postMessage
(
data
);
}
}
// Init
onmessage
=
async
e
=>
{
await
main
(
e
.
data
);
}
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment