Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 193,348
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     204,220
Calibration 2     194,621
Calibration 3     193,396
ssj_ops@calibrated=194,008
100% 99.7% 194,008 193,348
90% 91.0% 174,608 176,484
80% 80.2% 155,207 155,550
70% 69.9% 135,806 135,706
60% 60.4% 116,405 117,177
50% 49.9% 97,004 96,836
40% 40.0% 77,603 77,661
30% 29.8% 58,203 57,839
20% 19.9% 38,802 38,686
10% 10.1% 19,401 19,635
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 14,856,457 1,494
Payment 14,856,454
Order Status 1,485,647
Delivery 1,485,646
Stock Level 1,485,646
Customer Report 14,856,457
Calibration 2 New Order 14,156,029 1,494
Payment 14,156,019
Order Status 1,415,603
Delivery 1,415,604
Stock Level 1,415,602
Customer Report 14,156,020
Calibration 3 New Order 14,066,419 1,494
Payment 14,066,426
Order Status 1,406,642
Delivery 1,406,643
Stock Level 1,406,642
Customer Report 14,066,426
100% 99.7% New Order 14,063,546 1,494
Payment 14,063,548
Order Status 1,406,356
Delivery 1,406,354
Stock Level 1,406,355
Customer Report 14,063,540
90% 91.0% New Order 12,835,467 1,494
Payment 12,835,460
Order Status 1,283,546
Delivery 1,283,546
Stock Level 1,283,548
Customer Report 12,835,462
80% 80.2% New Order 11,314,015 1,494
Payment 11,314,008
Order Status 1,131,402
Delivery 1,131,400
Stock Level 1,131,399
Customer Report 11,314,007
70% 69.9% New Order 9,869,754 1,494
Payment 9,869,756
Order Status 986,975
Delivery 986,975
Stock Level 986,976
Customer Report 9,869,758
60% 60.4% New Order 8,522,601 1,494
Payment 8,522,602
Order Status 852,259
Delivery 852,260
Stock Level 852,261
Customer Report 8,522,598
50% 49.9% New Order 7,043,095 1,494
Payment 7,043,092
Order Status 704,309
Delivery 704,310
Stock Level 704,309
Customer Report 7,043,092
40% 40.0% New Order 5,648,184 1,494
Payment 5,648,185
Order Status 564,817
Delivery 564,818
Stock Level 564,820
Customer Report 5,648,182
30% 29.8% New Order 4,206,666 1,494
Payment 4,206,669
Order Status 420,666
Delivery 420,667
Stock Level 420,666
Customer Report 4,206,666
20% 19.9% New Order 2,813,673 1,494
Payment 2,813,669
Order Status 281,367
Delivery 281,368
Stock Level 281,367
Customer Report 2,813,668
10% 10.1% New Order 1,428,102 1,494
Payment 1,428,104
Order Status 142,811
Delivery 142,811
Stock Level 142,811
Customer Report 1,428,101
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0