Jquery animations are slow in google chrome

Question

Hello, I am not sure if this question is really specific for SO but I still would like to ask.

Has anyone noticed that jquery animations became less smooth on Chrome, if you just find a jquery plugin it seems very nice but usually on demo pages there is a little amount of tags and another javascript funcions. I am currently working on a project with rich interative interface using a lot of fadeIn() and fadeOut() functions (taking 300 as an argument). While in IE9, Opera and FF4 they run very smooth chrome cannot render them properly.

For instance, chrome displays in very "unsmooth" way such a simple task as display 400x100px div with fixed position using function fadeIn(300).

is it only my problem, or have you noticed something similar recently? I have tried stable and dev releases but with no luck, and as I have metioned all the other browsers can handle smooth animations.

Update: this is an example:

$('#ms_cal_menu').click(function() {
    var offset = $(this).offset();
    $('#cal_submenu').css("top", offset.top+'px').css('left', offset.left-5+'px').fadeIn(300);        
});