Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 204,471
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     205,429
Calibration 2     204,650
Calibration 3     204,412
ssj_ops@calibrated=204,531
100% 100.0% 204,531 204,471
90% 89.8% 184,078 183,581
80% 80.3% 163,625 164,149
70% 69.7% 143,172 142,645
60% 60.1% 122,719 122,981
50% 50.1% 102,266 102,515
40% 40.0% 81,812 81,775
30% 30.1% 61,359 61,650
20% 20.2% 40,906 41,257
10% 9.9% 20,453 20,261
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,942,831 1,494
Payment 14,942,834
Order Status 1,494,284
Delivery 1,494,285
Stock Level 1,494,283
Customer Report 14,942,835
Calibration 2 New Order 14,884,301 1,494
Payment 14,884,303
Order Status 1,488,430
Delivery 1,488,430
Stock Level 1,488,430
Customer Report 14,884,301
Calibration 3 New Order 14,867,489 1,494
Payment 14,867,485
Order Status 1,486,749
Delivery 1,486,748
Stock Level 1,486,749
Customer Report 14,867,485
100% 100.0% New Order 14,872,644 1,494
Payment 14,872,639
Order Status 1,487,265
Delivery 1,487,265
Stock Level 1,487,265
Customer Report 14,872,640
90% 89.8% New Order 13,351,595 1,494
Payment 13,351,594
Order Status 1,335,160
Delivery 1,335,159
Stock Level 1,335,158
Customer Report 13,351,597
80% 80.3% New Order 11,939,353 1,494
Payment 11,939,357
Order Status 1,193,937
Delivery 1,193,935
Stock Level 1,193,935
Customer Report 11,939,353
70% 69.7% New Order 10,375,415 1,494
Payment 10,375,417
Order Status 1,037,542
Delivery 1,037,541
Stock Level 1,037,542
Customer Report 10,375,422
60% 60.1% New Order 8,944,792 1,494
Payment 8,944,786
Order Status 894,478
Delivery 894,478
Stock Level 894,479
Customer Report 8,944,792
50% 50.1% New Order 7,456,039 1,494
Payment 7,456,042
Order Status 745,604
Delivery 745,604
Stock Level 745,604
Customer Report 7,456,043
40% 40.0% New Order 5,947,481 1,494
Payment 5,947,484
Order Status 594,750
Delivery 594,749
Stock Level 594,748
Customer Report 5,947,486
30% 30.1% New Order 4,483,637 1,494
Payment 4,483,634
Order Status 448,365
Delivery 448,364
Stock Level 448,364
Customer Report 4,483,636
20% 20.2% New Order 3,000,608 1,494
Payment 3,000,603
Order Status 300,061
Delivery 300,061
Stock Level 300,061
Customer Report 3,000,606
10% 9.9% New Order 1,473,636 1,494
Payment 1,473,637
Order Status 147,365
Delivery 147,364
Stock Level 147,365
Customer Report 1,473,633
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0