GeForce GT 710 ~9 GFLOPS (N=1024) ~22 GFLOPS (N=2048) 22.8 GFLOPS (N=4096).
<script src="https://cdn.jsdelivr.net/npm/@tensorflow/tfjs@latest"> </script> var N = 1024, A,B; function init() { A = tf.randomUniform([N, N]); B = tf.randomUniform([N, N]); run() } async function run() { var ti0 = performance.now() const C = A.matMul(B) await C.data(); var ti = performance.now() document.getElementById('output').innerText = "N = " + N + " time = " + Math.round(10*(ti - ti0))/10 + "ms GFLOPS=" + Math.round(N*N*N/(ti - ti0)/10000)/100 }First "synchronous" script is a bit faster on AMD APU 120/130 ms for N = 1024.