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Fix/FSRS-6 doesn't give <1d intervals & use log loss instead of RMSE(bins) (#3948)

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* Fix/FSRS-6 doesn't give <1d intervals

https://forums.ankiweb.net/t/anki-25-05-beta-1/59710/8?u=l.m.sherlock

* use log loss instead of rmse to determine use which parameters
This commit is contained in:
Jarrett Ye 2025-04-26 10:05:13 +08:00 committed by GitHub
parent 0321c26e73
commit a5778f3377
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2 changed files with 4 additions and 4 deletions
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2
rslib/src/scheduler/answering/mod.rs
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@ -468,7 +468,7 @@ impl Collection {
self.get_config_bool(BoolKey::FsrsShortTermWithStepsEnabled);
let fsrs_allow_short_term = if fsrs_enabled {
let params = config.fsrs_params();
if params.len() == 19 {
if params.len() >= 19 {
params[17] > 0.0 && params[18] > 0.0
} else {
false

6
rslib/src/scheduler/fsrs/params.rs
View file

@ -116,10 +116,10 @@ impl Collection {
})?;
progress_thread.join().ok();
if let Ok(fsrs) = FSRS::new(Some(current_params)) {
let current_rmse = fsrs.evaluate(items.clone(), |_| true)?.rmse_bins;
let current_log_loss = fsrs.evaluate(items.clone(), |_| true)?.log_loss;
let optimized_fsrs = FSRS::new(Some(&params))?;
let optimized_rmse = optimized_fsrs.evaluate(items.clone(), |_| true)?.rmse_bins;
if current_rmse <= optimized_rmse {
let optimized_log_loss = optimized_fsrs.evaluate(items.clone(), |_| true)?.log_loss;
if current_log_loss <= optimized_log_loss {
if num_of_relearning_steps <= 1 {
params = current_params.to_vec();
} else {