Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 193,719
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     207,877
Calibration 2     195,794
Calibration 3     194,605
ssj_ops@calibrated=195,200
100% 99.2% 195,200 193,719
90% 90.1% 175,680 175,878
80% 80.2% 156,160 156,554
70% 69.6% 136,640 135,890
60% 60.1% 117,120 117,243
50% 49.6% 97,600 96,726
40% 39.5% 78,080 77,194
30% 30.2% 58,560 59,043
20% 19.8% 39,040 38,598
10% 10.2% 19,520 19,978
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 15,120,330 1,494
Payment 15,120,332
Order Status 1,512,032
Delivery 1,512,033
Stock Level 1,512,032
Customer Report 15,120,330
Calibration 2 New Order 14,240,387 1,494
Payment 14,240,391
Order Status 1,424,038
Delivery 1,424,038
Stock Level 1,424,039
Customer Report 14,240,391
Calibration 3 New Order 14,154,481 1,494
Payment 14,154,477
Order Status 1,415,447
Delivery 1,415,449
Stock Level 1,415,446
Customer Report 14,154,476
100% 99.2% New Order 14,089,671 1,494
Payment 14,089,668
Order Status 1,408,966
Delivery 1,408,968
Stock Level 1,408,969
Customer Report 14,089,670
90% 90.1% New Order 12,792,416 1,494
Payment 12,792,409
Order Status 1,279,240
Delivery 1,279,241
Stock Level 1,279,242
Customer Report 12,792,412
80% 80.2% New Order 11,386,477 1,494
Payment 11,386,481
Order Status 1,138,648
Delivery 1,138,648
Stock Level 1,138,648
Customer Report 11,386,481
70% 69.6% New Order 9,883,011 1,494
Payment 9,883,012
Order Status 988,302
Delivery 988,301
Stock Level 988,302
Customer Report 9,883,007
60% 60.1% New Order 8,526,766 1,494
Payment 8,526,758
Order Status 852,676
Delivery 852,677
Stock Level 852,676
Customer Report 8,526,754
50% 49.6% New Order 7,034,787 1,494
Payment 7,034,788
Order Status 703,478
Delivery 703,478
Stock Level 703,479
Customer Report 7,034,783
40% 39.5% New Order 5,614,080 1,494
Payment 5,614,084
Order Status 561,408
Delivery 561,408
Stock Level 561,407
Customer Report 5,614,083
30% 30.2% New Order 4,294,238 1,494
Payment 4,294,247
Order Status 429,425
Delivery 429,425
Stock Level 429,424
Customer Report 4,294,241
20% 19.8% New Order 2,807,200 1,494
Payment 2,807,199
Order Status 280,720
Delivery 280,720
Stock Level 280,720
Customer Report 2,807,195
10% 10.2% New Order 1,453,016 1,494
Payment 1,453,022
Order Status 145,302
Delivery 145,301
Stock Level 145,302
Customer Report 1,453,016
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0