Closed bsaul closed 3 years ago
It does, but I haven't exposed it in the public API because it's meant to be mostly reserved for caching. Do you have a use-case for it?
Do you have a use-case for it?
My dhall configuration files could potentially be large-ish, and I was looking for way to store and transmit smaller versions. I was also curious if the binary version would marshal into my application faster.
This is available in v0.9.0!
Awesome! Thanks!
On Nov 20, 2020, at 5:57 PM, Nadrieril notifications@github.com wrote:
This is available in v0.9.0!
— You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub, or unsubscribe.
I'd be curious to know if you get a noticeable speedup, let me know if you measure it
I ran a quick test using criterion. In the results below, Dhall/dhall
is benchmarking importing a single 27KB dhall
file that represents a very simple use case for my application. Dhall/dhallb
benchmarks importing the encoded version (7KB) of that same file.
Dhall/dhall time: [3.7877 s 3.8678 s 3.9583 s]
Found 4 outliers among 100 measurements (4.00%)
3 (3.00%) high mild
1 (1.00%) high severe
Dhall/dhallb time: [10.662 ms 11.189 ms 11.811 ms]
Found 10 outliers among 100 measurements (10.00%)
2 (2.00%) high mild
8 (8.00%) high severe
If I did the tests correctly, that's quite dramatic (3.86s vs 11.19ms).
Ok indeed it's impressive. Thanks for that! That's with a warm file cache I assume?
That's with a warm file cache I assume?
I'm not entirely sure. Is there a way to tell.
FWIW, I don't know that it matters for my particular application, since the application will generally be run in containerized, one run and done way.
I don't know how to tell but usually just running the test twice in a row and discarding the first run is good enough. It's just no know if the difference is mostly because of the file size or processing size. You're right though, for your purposes you want to know the overall cost on a cold cache probably.
(not sure if this the appropriate place to ask)
Do the
dhall
orserde_dhall
crates support reading binary-encoded dhall files? It seems like thedhall
crate supports encoding/decoding, but I couldn't find any examples of reading from a binary.